[INFO] cloning repository https://github.com/wangtao2014/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangtao2014/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtao2014%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtao2014%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea5ff2ddeaa2c90fdcce9606a204d8660fe399eb
[INFO] testing wangtao2014/rust-learning against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtao2014%2Frust-learning" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wangtao2014/rust-learning on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wangtao2014/rust-learning
[INFO] finished tweaking git repo https://github.com/wangtao2014/rust-learning
[INFO] tweaked toml for git repo https://github.com/wangtao2014/rust-learning written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wangtao2014/rust-learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27a515209a494487d2ff118fb05c5d5f725249ce51171161a232c97d2c9db4ad
[INFO] running `Command { std: "docker" "start" "-a" "27a515209a494487d2ff118fb05c5d5f725249ce51171161a232c97d2c9db4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27a515209a494487d2ff118fb05c5d5f725249ce51171161a232c97d2c9db4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a515209a494487d2ff118fb05c5d5f725249ce51171161a232c97d2c9db4ad", kill_on_drop: false }`
[INFO] [stdout] 27a515209a494487d2ff118fb05c5d5f725249ce51171161a232c97d2c9db4ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab6df58a50e4f4e08c5999ec45c0f22f1a2dc7b5a283edc78985f99f37835695
[INFO] running `Command { std: "docker" "start" "-a" "ab6df58a50e4f4e08c5999ec45c0f22f1a2dc7b5a283edc78985f99f37835695", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling cookie v0.16.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]    Compiling ref-cast v1.0.13
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling figment v0.10.8
[INFO] [stderr]    Compiling multer v2.0.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling async-trait v0.1.59
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling state v0.5.3
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/live-coding/variables)
[INFO] [stderr]    Compiling rocket v0.5.0-rc.2
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling universal-hash v0.5.0
[INFO] [stderr]    Compiling aead v0.5.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling cipher v0.4.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling binascii v0.1.4
[INFO] [stderr]    Compiling polyval v0.6.0
[INFO] [stderr]    Compiling hello_utils v0.1.0 (/opt/rustwide/workdir/live-coding/world_hello/hello_utils)
[INFO] [stderr]    Compiling chapter-10-trait-lifetime v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-10-trait-lifetime)
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:73:68
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn notify4<T: Summary + Display, U: Clone + Display>(item1: T, item2: U) {
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn notify5<T, U>(item1: T, item2: U) -> String
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct Pair<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl<T> Pair<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 92 |     fn new(x: T, y: T) -> Self { 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 98 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling world_hello v0.1.0 (/opt/rustwide/workdir/live-coding/world_hello)
[INFO] [stderr]    Compiling ghash v0.5.0
[INFO] [stderr]    Compiling aes v0.8.2
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stdout] warning: unused import: `random_self::random_test`
[INFO] [stdout]  --> live-coding/world_hello/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use random_self::random_test;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_self as other_priority_self`
[INFO] [stdout]  --> live-coding/world_hello/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use priority_self as other_priority_self;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/live-coding/guessing_game)
[INFO] [stdout] warning: function `random_test` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/random_self.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn random_test() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Gender` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/types.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Gender {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ConnectionState` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/types.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ConnectionState {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HalfOpen` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct HalfOpen {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FullSession` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct FullSession {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_tour` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/value_tour.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn value_tour() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chapter_10_trait_lifetime::notify`
[INFO] [stdout]  --> live-coding/chapter-10-trait-lifetime/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chapter_10_trait_lifetime::notify;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Point<T> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 18 |     x: T,
[INFO] [stdout] 19 |     y: T,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x1` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Point<i32> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 31 |     fn x1(&self) -> &i32 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter-11-test v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-11-test)
[INFO] [stderr]    Compiling life-time v0.1.0 (/opt/rustwide/workdir/live-coding/life-time)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/live-coding/adder)
[INFO] [stderr]    Compiling my-project v0.1.0 (/opt/rustwide/workdir/live-coding/my-project)
[INFO] [stderr]    Compiling chapter-09-error v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-09-error)
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let f = File::open("hello.txt").unwrap_or_else(|error|{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `Read`
[INFO] [stdout]  --> live-coding/adder/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::*, io::{self, Read}, fs::{File, self}};
[INFO] [stdout]   |                                 ^^^^        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_file` is never used
[INFO] [stdout]  --> live-coding/chapter-09-error/src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn load_file() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_file_unwrap` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn load_file_unwrap() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn create_file() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_clouser` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn create_file_clouser() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file_another2` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn read_username_from_file_another2() -> Result<String, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     open_file_error();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let _ = open_file_error();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aes-gcm v0.10.1
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling devise_core v0.3.1
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.13
[INFO] [stderr]    Compiling devise_codegen v0.3.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling async-stream v0.3.3
[INFO] [stderr]    Compiling devise v0.3.1
[INFO] [stderr]    Compiling pear v0.2.3
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling tokio-stream v0.1.11
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling ubyte v0.10.3
[INFO] [stderr]    Compiling h2 v0.3.15
[INFO] [stderr]    Compiling training-code v0.1.0 (/opt/rustwide/workdir/live-coding/training-code)
[INFO] [stdout] warning: field `permit` is never read
[INFO] [stdout]  --> live-coding/training-code/src/ticket.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Ticket<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     permit: SemaphorePermit<'a>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hyper v0.14.23
[INFO] [stderr]    Compiling rocket_http v0.5.0-rc.2
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.2
[INFO] [stderr]    Compiling chat-app v0.1.0 (/opt/rustwide/workdir/live-coding/chat-app)
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> live-coding/chat-app/src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[serde(crate = "rocket::serde")]
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.29s
[INFO] running `Command { std: "docker" "inspect" "ab6df58a50e4f4e08c5999ec45c0f22f1a2dc7b5a283edc78985f99f37835695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6df58a50e4f4e08c5999ec45c0f22f1a2dc7b5a283edc78985f99f37835695", kill_on_drop: false }`
[INFO] [stdout] ab6df58a50e4f4e08c5999ec45c0f22f1a2dc7b5a283edc78985f99f37835695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47343d2d490234699e6383f4ae63aaff07a26c806f0428802e2a4a9ff7af5d59
[INFO] running `Command { std: "docker" "start" "-a" "47343d2d490234699e6383f4ae63aaff07a26c806f0428802e2a4a9ff7af5d59", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:73:68
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn notify4<T: Summary + Display, U: Clone + Display>(item1: T, item2: U) {
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn notify5<T, U>(item1: T, item2: U) -> String
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct Pair<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl<T> Pair<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 92 |     fn new(x: T, y: T) -> Self { 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 98 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `permit` is never read
[INFO] [stdout]  --> live-coding/training-code/src/ticket.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Ticket<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     permit: SemaphorePermit<'a>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `Read`
[INFO] [stdout]  --> live-coding/adder/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::*, io::{self, Read}, fs::{File, self}};
[INFO] [stdout]   |                                 ^^^^        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling training-code v0.1.0 (/opt/rustwide/workdir/live-coding/training-code)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/live-coding/guessing_game)
[INFO] [stderr]    Compiling chapter-10-trait-lifetime v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-10-trait-lifetime)
[INFO] [stderr]    Compiling world_hello v0.1.0 (/opt/rustwide/workdir/live-coding/world_hello)
[INFO] [stderr]    Compiling chapter-11-test v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-11-test)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/live-coding/variables)
[INFO] [stderr]    Compiling life-time v0.1.0 (/opt/rustwide/workdir/live-coding/life-time)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/live-coding/adder)
[INFO] [stderr]    Compiling my-project v0.1.0 (/opt/rustwide/workdir/live-coding/my-project)
[INFO] [stderr]    Compiling chapter-09-error v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-09-error)
[INFO] [stderr]    Compiling hello_utils v0.1.0 (/opt/rustwide/workdir/live-coding/world_hello/hello_utils)
[INFO] [stderr]    Compiling chat-app v0.1.0 (/opt/rustwide/workdir/live-coding/chat-app)
[INFO] [stdout] warning: unused import: `chapter_10_trait_lifetime::notify`
[INFO] [stdout]  --> live-coding/chapter-10-trait-lifetime/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chapter_10_trait_lifetime::notify;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_self::random_test`
[INFO] [stdout]  --> live-coding/world_hello/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use random_self::random_test;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_self as other_priority_self`
[INFO] [stdout]  --> live-coding/world_hello/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use priority_self as other_priority_self;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `Read`
[INFO] [stdout]  --> live-coding/adder/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::*, io::{self, Read}, fs::{File, self}};
[INFO] [stdout]   |                                 ^^^^        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Point<T> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 18 |     x: T,
[INFO] [stdout] 19 |     y: T,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x1` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Point<i32> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 31 |     fn x1(&self) -> &i32 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:73:68
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn notify4<T: Summary + Display, U: Clone + Display>(item1: T, item2: U) {
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn notify5<T, U>(item1: T, item2: U) -> String
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_test` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/random_self.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn random_test() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Gender` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/types.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Gender {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ConnectionState` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/types.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ConnectionState {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HalfOpen` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct HalfOpen {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FullSession` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct FullSession {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_tour` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/value_tour.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn value_tour() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> live-coding/adder/src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let f = match file {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct Pair<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl<T> Pair<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 92 |     fn new(x: T, y: T) -> Self { 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 98 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let f = File::open("hello.txt").unwrap_or_else(|error|{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_file` is never used
[INFO] [stdout]  --> live-coding/chapter-09-error/src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn load_file() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_file_unwrap` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn load_file_unwrap() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn create_file() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_clouser` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn create_file_clouser() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file_another2` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn read_username_from_file_another2() -> Result<String, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     open_file_error();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let _ = open_file_error();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tickets`
[INFO] [stdout]   --> live-coding/training-code/src/ticket.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let tickets: Vec<Ticket> = (0..4).map(|_i| museum.get_ticket().unwrap()).collect();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tickets`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `permit` is never read
[INFO] [stdout]  --> live-coding/training-code/src/ticket.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Ticket<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     permit: SemaphorePermit<'a>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> live-coding/chat-app/src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg_attr(test, derive(PartialEq, UriDisplayQuery))]
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "47343d2d490234699e6383f4ae63aaff07a26c806f0428802e2a4a9ff7af5d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47343d2d490234699e6383f4ae63aaff07a26c806f0428802e2a4a9ff7af5d59", kill_on_drop: false }`
[INFO] [stdout] 47343d2d490234699e6383f4ae63aaff07a26c806f0428802e2a4a9ff7af5d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 648a3785234767e98a32e3b197036537a9a3e93970ca9bc8543a48deb29f2f0e
[INFO] running `Command { std: "docker" "start" "-a" "648a3785234767e98a32e3b197036537a9a3e93970ca9bc8543a48deb29f2f0e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: unused variable: `item2`
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:73:68
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn notify4<T: Summary + Display, U: Clone + Display>(item1: T, item2: U) {
[INFO] [stderr]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item2`
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn notify5<T, U>(item1: T, item2: U) -> String
[INFO] [stderr]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pair` is never constructed
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | struct Pair<T> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 91 | impl<T> Pair<T> {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] 92 |     fn new(x: T, y: T) -> Self { 
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `cmp_display` is never used
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stderr]    | ------------------------------------- method in this implementation
[INFO] [stderr] 98 |     fn cmp_display(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `permit` is never read
[INFO] [stderr]  --> live-coding/training-code/src/ticket.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Ticket<'a> {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] 9 |     permit: SemaphorePermit<'a>,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `Read`
[INFO] [stderr]  --> live-coding/adder/src/lib.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{result::*, io::{self, Read}, fs::{File, self}};
[INFO] [stderr]   |                                 ^^^^        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tickets`
[INFO] [stderr]   --> live-coding/training-code/src/ticket.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let tickets: Vec<Ticket> = (0..4).map(|_i| museum.get_ticket().unwrap()).collect();
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tickets`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter-10-trait-lifetime` (lib) generated 5 warnings (run `cargo fix --lib -p chapter-10-trait-lifetime` to apply 2 suggestions)
[INFO] [stderr] warning: `training-code` (lib) generated 1 warning
[INFO] [stderr] warning: `adder` (lib) generated 1 warning (run `cargo fix --lib -p adder` to apply 1 suggestion)
[INFO] [stderr] warning: `training-code` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p training-code --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `chapter_10_trait_lifetime::notify`
[INFO] [stderr]  --> live-coding/chapter-10-trait-lifetime/src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use chapter_10_trait_lifetime::notify;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `y` is never read
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Point<T> {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 18 |     x: T,
[INFO] [stderr] 19 |     y: T,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `x1` is never used
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl Point<i32> {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] 31 |     fn x1(&self) -> &i32 {
[INFO] [stderr]    |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `random_self::random_test`
[INFO] [stderr]  --> live-coding/world_hello/src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use random_self::random_test;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `priority_self as other_priority_self`
[INFO] [stderr]  --> live-coding/world_hello/src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use priority_self as other_priority_self;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_test` is never used
[INFO] [stderr]  --> live-coding/world_hello/src/random_self.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn random_test() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Gender` is never used
[INFO] [stderr]  --> live-coding/world_hello/src/types.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Gender {
[INFO] [stderr]   |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ConnectionState` is never used
[INFO] [stderr]  --> live-coding/world_hello/src/types.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum ConnectionState {
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HalfOpen` is never constructed
[INFO] [stderr]   --> live-coding/world_hello/src/types.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct HalfOpen {}
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FullSession` is never constructed
[INFO] [stderr]   --> live-coding/world_hello/src/types.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct FullSession {}
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `User` is never constructed
[INFO] [stderr]   --> live-coding/world_hello/src/types.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct User {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `value_tour` is never used
[INFO] [stderr]  --> live-coding/world_hello/src/value_tour.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn value_tour() {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let f = File::open("hello.txt").unwrap_or_else(|error|{
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `load_file` is never used
[INFO] [stderr]  --> live-coding/chapter-09-error/src/main.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn load_file() {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `load_file_unwrap` is never used
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn load_file_unwrap() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_file` is never used
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn create_file() {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_file_clouser` is never used
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn create_file_clouser() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_username_from_file_another2` is never used
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn read_username_from_file_another2() -> Result<String, Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     open_file_error();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let _ = open_file_error();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter-10-trait-lifetime` (bin "chapter-10-trait-lifetime" test) generated 3 warnings (run `cargo fix --bin "chapter-10-trait-lifetime" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `world_hello` (bin "world_hello" test) generated 9 warnings (run `cargo fix --bin "world_hello" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `chapter-09-error` (bin "chapter-09-error" test) generated 7 warnings (run `cargo fix --bin "chapter-09-error" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> live-coding/adder/src/lib.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let f = match file {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter-10-trait-lifetime` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: `adder` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p adder --tests` to apply 1 suggestion)
[INFO] [stderr] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stderr]   --> live-coding/chat-app/src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[cfg_attr(test, derive(PartialEq, UriDisplayQuery))]
[INFO] [stderr]    | ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chat-app` (bin "chat-app" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/adder-d51a5f7b4bc201f7)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::greeting_contains_name ... ok
[INFO] [stdout] test tests::it_works_result ... ok
[INFO] [stdout] test tests::greater_than_100 - should panic ... ok
[INFO] [stdout] test tests::it_works ... FAILED
[INFO] [stdout] test tests::read_from_file_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::it_works stdout ----
[INFO] [stdout] thread 'tests::it_works' panicked at live-coding/adder/src/lib.rs:68:31:
[INFO] [stdout] Problem creating the file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55b5117d826c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55b5117d826c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55b5117d826c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55b5117d826c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55b511801db0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55b511801db0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55b5117d5c1f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55b5117d8054 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55b5117d8054 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55b5117d9d17 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55b5117d9a03 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55b5117a9e07 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55b5117a9e07 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55b5117da328 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55b5117da328 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55b5117da07e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55b5117d8736 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55b5117d9de2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55b51176dcf5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55b511775f18 - adder::tests::it_works::h3026373a4296410e
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:68:31
[INFO] [stdout]   20:     0x55b511775c37 - adder::tests::it_works::{{closure}}::h827f2ddf0bd0d27b
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:57:18
[INFO] [stdout]   21:     0x55b511773606 - core::ops::function::FnOnce::call_once::h56da9f2f14c4d5f7
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x55b5117af45f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55b5117af45f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   24:     0x55b5117ae475 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   25:     0x55b5117ae475 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x55b5117ae475 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x55b5117ae475 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x55b5117ae475 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x55b5117ae475 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   30:     0x55b5117ae475 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   31:     0x55b511776736 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   32:     0x55b511776736 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   33:     0x55b51177b7e7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   34:     0x55b51177b7e7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x55b51177b7e7 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   36:     0x55b51177b7e7 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   37:     0x55b51177b7e7 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   38:     0x55b51177b7e7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   39:     0x55b51177b7e7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x55b5117dedb5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   41:     0x55b5117dedb5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   42:     0x55b5117dedb5 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   43:     0x7f9762a51ac3 - <unknown>
[INFO] [stdout]   44:     0x7f9762ae2bf4 - __clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_from_file_test stdout ----
[INFO] [stdout] thread 'tests::read_from_file_test' panicked at live-coding/adder/src/lib.rs:104:50:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55b5117d826c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55b5117d826c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55b5117d826c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55b5117d826c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55b511801db0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55b511801db0 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55b5117d5c1f - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x55b5117d8054 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55b5117d8054 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55b5117d9d17 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x55b5117d9a03 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55b5117a9e07 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x55b5117a9e07 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55b5117da328 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x55b5117da328 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55b5117da07e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55b5117d8736 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x55b5117d9de2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55b51176dcf5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55b51176e193 - core::result::unwrap_failed::hddb4fea594200c52
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5
[INFO] [stdout]   20:     0x55b51177461c - core::result::Result<T,E>::unwrap::h5dee4d57152302e8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1077:23
[INFO] [stdout]   21:     0x55b511776361 - adder::tests::read_from_file_test::hcb4c776a07268ee8
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:104:24
[INFO] [stdout]   22:     0x55b511776317 - adder::tests::read_from_file_test::{{closure}}::h52b746341e6b53e6
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:103:29
[INFO] [stdout]   23:     0x55b511773686 - core::ops::function::FnOnce::call_once::h80228be50c829170
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55b5117af45f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55b5117af45f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   26:     0x55b5117ae475 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   27:     0x55b5117ae475 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55b5117ae475 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55b5117ae475 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55b5117ae475 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55b5117ae475 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   32:     0x55b5117ae475 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   33:     0x55b511776736 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   34:     0x55b511776736 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   35:     0x55b51177b7e7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55b51177b7e7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55b51177b7e7 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55b51177b7e7 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55b51177b7e7 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55b51177b7e7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55b51177b7e7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55b5117dedb5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   43:     0x55b5117dedb5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   44:     0x55b5117dedb5 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f9762a51ac3 - <unknown>
[INFO] [stdout]   46:     0x7f9762ae2bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::it_works
[INFO] [stdout]     tests::read_from_file_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p adder --lib`
[INFO] running `Command { std: "docker" "inspect" "648a3785234767e98a32e3b197036537a9a3e93970ca9bc8543a48deb29f2f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648a3785234767e98a32e3b197036537a9a3e93970ca9bc8543a48deb29f2f0e", kill_on_drop: false }`
[INFO] [stdout] 648a3785234767e98a32e3b197036537a9a3e93970ca9bc8543a48deb29f2f0e
[INFO] testing wangtao2014/rust-learning against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtao2014%2Frust-learning" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wangtao2014/rust-learning on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wangtao2014/rust-learning
[INFO] finished tweaking git repo https://github.com/wangtao2014/rust-learning
[INFO] tweaked toml for git repo https://github.com/wangtao2014/rust-learning written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wangtao2014/rust-learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3931179222a99a9d0aa2203c7f64a5a58fc60b03b23359443263566e3f91657c
[INFO] running `Command { std: "docker" "start" "-a" "3931179222a99a9d0aa2203c7f64a5a58fc60b03b23359443263566e3f91657c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3931179222a99a9d0aa2203c7f64a5a58fc60b03b23359443263566e3f91657c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3931179222a99a9d0aa2203c7f64a5a58fc60b03b23359443263566e3f91657c", kill_on_drop: false }`
[INFO] [stdout] 3931179222a99a9d0aa2203c7f64a5a58fc60b03b23359443263566e3f91657c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 548b8ab0937e44a514f38bf2c0f2f5fd4f6f6af85d23146376a35ff92e30bd3c
[INFO] running `Command { std: "docker" "start" "-a" "548b8ab0937e44a514f38bf2c0f2f5fd4f6f6af85d23146376a35ff92e30bd3c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling cookie v0.16.1
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling ref-cast v1.0.13
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling figment v0.10.8
[INFO] [stderr]    Compiling multer v2.0.4
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling state v0.5.3
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/live-coding/variables)
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.59
[INFO] [stderr]    Compiling rocket v0.5.0-rc.2
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling binascii v0.1.4
[INFO] [stderr]    Compiling hello_utils v0.1.0 (/opt/rustwide/workdir/live-coding/world_hello/hello_utils)
[INFO] [stderr]    Compiling chapter-10-trait-lifetime v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-10-trait-lifetime)
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:73:68
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn notify4<T: Summary + Display, U: Clone + Display>(item1: T, item2: U) {
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn notify5<T, U>(item1: T, item2: U) -> String
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct Pair<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl<T> Pair<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 92 |     fn new(x: T, y: T) -> Self { 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 98 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stderr]    Compiling universal-hash v0.5.0
[INFO] [stderr]    Compiling cipher v0.4.3
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling aead v0.5.1
[INFO] [stderr]    Compiling polyval v0.6.0
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/live-coding/guessing_game)
[INFO] [stderr]    Compiling world_hello v0.1.0 (/opt/rustwide/workdir/live-coding/world_hello)
[INFO] [stderr]    Compiling my-project v0.1.0 (/opt/rustwide/workdir/live-coding/my-project)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/live-coding/adder)
[INFO] [stdout] warning: unused import: `random_self::random_test`
[INFO] [stdout]  --> live-coding/world_hello/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use random_self::random_test;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_self as other_priority_self`
[INFO] [stdout]  --> live-coding/world_hello/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use priority_self as other_priority_self;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chapter_10_trait_lifetime::notify`
[INFO] [stdout]  --> live-coding/chapter-10-trait-lifetime/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chapter_10_trait_lifetime::notify;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `Read`
[INFO] [stdout]  --> live-coding/adder/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::*, io::{self, Read}, fs::{File, self}};
[INFO] [stdout]   |                                 ^^^^        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_test` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/random_self.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn random_test() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Gender` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/types.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Gender {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ConnectionState` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/types.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ConnectionState {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HalfOpen` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct HalfOpen {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FullSession` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct FullSession {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_tour` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/value_tour.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn value_tour() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Point<T> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 18 |     x: T,
[INFO] [stdout] 19 |     y: T,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x1` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Point<i32> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 31 |     fn x1(&self) -> &i32 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter-09-error v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-09-error)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling aes v0.8.2
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let f = File::open("hello.txt").unwrap_or_else(|error|{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ghash v0.5.0
[INFO] [stdout] warning: function `load_file` is never used
[INFO] [stdout]  --> live-coding/chapter-09-error/src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn load_file() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_file_unwrap` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn load_file_unwrap() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn create_file() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_clouser` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn create_file_clouser() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file_another2` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn read_username_from_file_another2() -> Result<String, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     open_file_error();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let _ = open_file_error();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter-11-test v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-11-test)
[INFO] [stderr]    Compiling life-time v0.1.0 (/opt/rustwide/workdir/live-coding/life-time)
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aes-gcm v0.10.1
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling devise_core v0.3.1
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.13
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling devise_codegen v0.3.1
[INFO] [stderr]    Compiling async-stream v0.3.3
[INFO] [stderr]    Compiling pear v0.2.3
[INFO] [stderr]    Compiling devise v0.3.1
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling tokio-stream v0.1.11
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling ubyte v0.10.3
[INFO] [stderr]    Compiling h2 v0.3.15
[INFO] [stderr]    Compiling training-code v0.1.0 (/opt/rustwide/workdir/live-coding/training-code)
[INFO] [stdout] warning: field `permit` is never read
[INFO] [stdout]  --> live-coding/training-code/src/ticket.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Ticket<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     permit: SemaphorePermit<'a>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hyper v0.14.23
[INFO] [stderr]    Compiling rocket_http v0.5.0-rc.2
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.2
[INFO] [stderr]    Compiling chat-app v0.1.0 (/opt/rustwide/workdir/live-coding/chat-app)
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> live-coding/chat-app/src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[serde(crate = "rocket::serde")]
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.80s
[INFO] running `Command { std: "docker" "inspect" "548b8ab0937e44a514f38bf2c0f2f5fd4f6f6af85d23146376a35ff92e30bd3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548b8ab0937e44a514f38bf2c0f2f5fd4f6f6af85d23146376a35ff92e30bd3c", kill_on_drop: false }`
[INFO] [stdout] 548b8ab0937e44a514f38bf2c0f2f5fd4f6f6af85d23146376a35ff92e30bd3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbb6bb54b7a7652e93d9e473fa37330ab6c6c36029aceb981bc18d4badd3f466
[INFO] running `Command { std: "docker" "start" "-a" "fbb6bb54b7a7652e93d9e473fa37330ab6c6c36029aceb981bc18d4badd3f466", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:73:68
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn notify4<T: Summary + Display, U: Clone + Display>(item1: T, item2: U) {
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn notify5<T, U>(item1: T, item2: U) -> String
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct Pair<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl<T> Pair<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 92 |     fn new(x: T, y: T) -> Self { 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 98 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `permit` is never read
[INFO] [stdout]  --> live-coding/training-code/src/ticket.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Ticket<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     permit: SemaphorePermit<'a>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling training-code v0.1.0 (/opt/rustwide/workdir/live-coding/training-code)
[INFO] [stdout] warning: unused imports: `File`, `Read`
[INFO] [stdout]  --> live-coding/adder/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::*, io::{self, Read}, fs::{File, self}};
[INFO] [stdout]   |                                 ^^^^        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/live-coding/guessing_game)
[INFO] [stderr]    Compiling chapter-11-test v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-11-test)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/live-coding/variables)
[INFO] [stderr]    Compiling world_hello v0.1.0 (/opt/rustwide/workdir/live-coding/world_hello)
[INFO] [stderr]    Compiling chapter-10-trait-lifetime v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-10-trait-lifetime)
[INFO] [stderr]    Compiling hello_utils v0.1.0 (/opt/rustwide/workdir/live-coding/world_hello/hello_utils)
[INFO] [stderr]    Compiling my-project v0.1.0 (/opt/rustwide/workdir/live-coding/my-project)
[INFO] [stderr]    Compiling life-time v0.1.0 (/opt/rustwide/workdir/live-coding/life-time)
[INFO] [stderr]    Compiling chapter-09-error v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-09-error)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/live-coding/adder)
[INFO] [stderr]    Compiling chat-app v0.1.0 (/opt/rustwide/workdir/live-coding/chat-app)
[INFO] [stdout] warning: unused import: `chapter_10_trait_lifetime::notify`
[INFO] [stdout]  --> live-coding/chapter-10-trait-lifetime/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use chapter_10_trait_lifetime::notify;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_self::random_test`
[INFO] [stdout]  --> live-coding/world_hello/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use random_self::random_test;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_self as other_priority_self`
[INFO] [stdout]  --> live-coding/world_hello/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use priority_self as other_priority_self;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `Read`
[INFO] [stdout]  --> live-coding/adder/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{result::*, io::{self, Read}, fs::{File, self}};
[INFO] [stdout]   |                                 ^^^^        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:73:68
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn notify4<T: Summary + Display, U: Clone + Display>(item1: T, item2: U) {
[INFO] [stdout]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Point<T> {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 18 |     x: T,
[INFO] [stdout] 19 |     y: T,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:77:32
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn notify5<T, U>(item1: T, item2: U) -> String
[INFO] [stdout]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `x1` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Point<i32> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 31 |     fn x1(&self) -> &i32 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let f = File::open("hello.txt").unwrap_or_else(|error|{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> live-coding/adder/src/lib.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let f = match file {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct Pair<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_test` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/random_self.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn random_test() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl<T> Pair<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 92 |     fn new(x: T, y: T) -> Self { 
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 98 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Gender` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/types.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Gender {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ConnectionState` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/types.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ConnectionState {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HalfOpen` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct HalfOpen {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FullSession` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct FullSession {}
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> live-coding/world_hello/src/types.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_tour` is never used
[INFO] [stdout]  --> live-coding/world_hello/src/value_tour.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn value_tour() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_file` is never used
[INFO] [stdout]  --> live-coding/chapter-09-error/src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn load_file() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_file_unwrap` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn load_file_unwrap() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn create_file() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_clouser` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn create_file_clouser() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file_another2` is never used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn read_username_from_file_another2() -> Result<String, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> live-coding/chapter-09-error/src/main.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     open_file_error();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let _ = open_file_error();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tickets`
[INFO] [stdout]   --> live-coding/training-code/src/ticket.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let tickets: Vec<Ticket> = (0..4).map(|_i| museum.get_ticket().unwrap()).collect();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tickets`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `permit` is never read
[INFO] [stdout]  --> live-coding/training-code/src/ticket.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Ticket<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     permit: SemaphorePermit<'a>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> live-coding/chat-app/src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg_attr(test, derive(PartialEq, UriDisplayQuery))]
[INFO] [stdout]    | ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "fbb6bb54b7a7652e93d9e473fa37330ab6c6c36029aceb981bc18d4badd3f466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb6bb54b7a7652e93d9e473fa37330ab6c6c36029aceb981bc18d4badd3f466", kill_on_drop: false }`
[INFO] [stdout] fbb6bb54b7a7652e93d9e473fa37330ab6c6c36029aceb981bc18d4badd3f466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a3745f6922b03e678f3a68a1595ab4362cb9ec65b091f078149fdf0c839928e
[INFO] running `Command { std: "docker" "start" "-a" "8a3745f6922b03e678f3a68a1595ab4362cb9ec65b091f078149fdf0c839928e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: unused variable: `item2`
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:73:68
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub fn notify4<T: Summary + Display, U: Clone + Display>(item1: T, item2: U) {
[INFO] [stderr]    |                                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item2`
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub fn notify5<T, U>(item1: T, item2: U) -> String
[INFO] [stderr]    |                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pair` is never constructed
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | struct Pair<T> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 91 | impl<T> Pair<T> {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] 92 |     fn new(x: T, y: T) -> Self { 
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `cmp_display` is never used
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/lib.rs:98:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stderr]    | ------------------------------------- method in this implementation
[INFO] [stderr] 98 |     fn cmp_display(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `permit` is never read
[INFO] [stderr]  --> live-coding/training-code/src/ticket.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Ticket<'a> {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] 9 |     permit: SemaphorePermit<'a>,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `Read`
[INFO] [stderr]  --> live-coding/adder/src/lib.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{result::*, io::{self, Read}, fs::{File, self}};
[INFO] [stderr]   |                                 ^^^^        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter-10-trait-lifetime` (lib) generated 5 warnings (run `cargo fix --lib -p chapter-10-trait-lifetime` to apply 2 suggestions)
[INFO] [stderr] warning: `training-code` (lib) generated 1 warning
[INFO] [stderr] warning: `adder` (lib) generated 1 warning (run `cargo fix --lib -p adder` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `random_self::random_test`
[INFO] [stderr]  --> live-coding/world_hello/src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use random_self::random_test;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `priority_self as other_priority_self`
[INFO] [stderr]  --> live-coding/world_hello/src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use priority_self as other_priority_self;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `random_test` is never used
[INFO] [stderr]  --> live-coding/world_hello/src/random_self.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn random_test() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Gender` is never used
[INFO] [stderr]  --> live-coding/world_hello/src/types.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Gender {
[INFO] [stderr]   |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ConnectionState` is never used
[INFO] [stderr]  --> live-coding/world_hello/src/types.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum ConnectionState {
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HalfOpen` is never constructed
[INFO] [stderr]   --> live-coding/world_hello/src/types.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct HalfOpen {}
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FullSession` is never constructed
[INFO] [stderr]   --> live-coding/world_hello/src/types.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct FullSession {}
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `User` is never constructed
[INFO] [stderr]   --> live-coding/world_hello/src/types.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct User {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `value_tour` is never used
[INFO] [stderr]  --> live-coding/world_hello/src/value_tour.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn value_tour() {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chapter_10_trait_lifetime::notify`
[INFO] [stderr]  --> live-coding/chapter-10-trait-lifetime/src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use chapter_10_trait_lifetime::notify;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `y` is never read
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Point<T> {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 18 |     x: T,
[INFO] [stderr] 19 |     y: T,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `x1` is never used
[INFO] [stderr]   --> live-coding/chapter-10-trait-lifetime/src/main.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl Point<i32> {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] 31 |     fn x1(&self) -> &i32 {
[INFO] [stderr]    |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tickets`
[INFO] [stderr]   --> live-coding/training-code/src/ticket.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let tickets: Vec<Ticket> = (0..4).map(|_i| museum.get_ticket().unwrap()).collect();
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tickets`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `world_hello` (bin "world_hello" test) generated 9 warnings (run `cargo fix --bin "world_hello" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `chapter-10-trait-lifetime` (bin "chapter-10-trait-lifetime" test) generated 3 warnings (run `cargo fix --bin "chapter-10-trait-lifetime" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `training-code` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p training-code --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `chapter-10-trait-lifetime` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let f = File::open("hello.txt").unwrap_or_else(|error|{
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `load_file` is never used
[INFO] [stderr]  --> live-coding/chapter-09-error/src/main.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn load_file() {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `load_file_unwrap` is never used
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn load_file_unwrap() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_file` is never used
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn create_file() {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_file_clouser` is never used
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn create_file_clouser() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_username_from_file_another2` is never used
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn read_username_from_file_another2() -> Result<String, Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> live-coding/chapter-09-error/src/main.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     open_file_error();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let _ = open_file_error();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> live-coding/adder/src/lib.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let f = match file {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter-09-error` (bin "chapter-09-error" test) generated 7 warnings (run `cargo fix --bin "chapter-09-error" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `adder` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p adder --tests` to apply 1 suggestion)
[INFO] [stderr] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stderr]   --> live-coding/chat-app/src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[cfg_attr(test, derive(PartialEq, UriDisplayQuery))]
[INFO] [stderr]    | ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chat-app` (bin "chat-app" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/adder-ee493c55813b0a32)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::greeting_contains_name ... ok
[INFO] [stdout] test tests::it_works_result ... ok
[INFO] [stdout] test tests::greater_than_100 - should panic ... ok
[INFO] [stdout] test tests::it_works ... FAILED
[INFO] [stdout] test tests::read_from_file_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::it_works stdout ----
[INFO] [stdout] thread 'tests::it_works' panicked at live-coding/adder/src/lib.rs:68:31:
[INFO] [stdout] Problem creating the file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55bf3601bf36 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55bf3601bf36 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55bf3601bf36 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55bf3601bf36 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55bf36044d80 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55bf36044d80 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55bf3601999f - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55bf3601bd14 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55bf3601bd14 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55bf3601da87 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x55bf3601d76d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55bf35fed1f7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55bf35fed1f7 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55bf3601e0a6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55bf3601e0a6 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55bf3601ddf2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55bf3601c436 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55bf3601db50 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55bf35fafcd5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55bf35fb8346 - adder::tests::it_works::h53f1b325882e16eb
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:68:31
[INFO] [stdout]   20:     0x55bf35fb8067 - adder::tests::it_works::{{closure}}::h8a4b08e604509e35
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:57:18
[INFO] [stdout]   21:     0x55bf35fb6926 - core::ops::function::FnOnce::call_once::hca4b04bdd5e4a9ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x55bf35ff2acf - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55bf35ff2acf - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   24:     0x55bf35ff1851 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   25:     0x55bf35ff1851 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x55bf35ff1851 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x55bf35ff1851 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x55bf35ff1851 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x55bf35ff1851 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   30:     0x55bf35ff1851 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   31:     0x55bf35fb8b86 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   32:     0x55bf35fb8b86 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   33:     0x55bf35fbdbe7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   34:     0x55bf35fbdbe7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x55bf35fbdbe7 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   36:     0x55bf35fbdbe7 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   37:     0x55bf35fbdbe7 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   38:     0x55bf35fbdbe7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   39:     0x55bf35fbdbe7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x55bf36022b55 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   41:     0x55bf36022b55 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x55bf36022b55 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   43:     0x7ff4a95b5ac3 - <unknown>
[INFO] [stdout]   44:     0x7ff4a9646bf4 - __clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::read_from_file_test stdout ----
[INFO] [stdout] thread 'tests::read_from_file_test' panicked at live-coding/adder/src/lib.rs:104:50:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55bf3601bf36 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55bf3601bf36 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55bf3601bf36 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55bf3601bf36 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55bf36044d80 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55bf36044d80 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55bf3601999f - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55bf3601bd14 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55bf3601bd14 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55bf3601da87 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x55bf3601d76d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55bf35fed1f7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55bf35fed1f7 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55bf3601e0a6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55bf3601e0a6 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55bf3601ddf2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55bf3601c436 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55bf3601db50 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55bf35fafcd5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55bf35fb0183 - core::result::unwrap_failed::hbe14f498be1452f9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1649:5
[INFO] [stdout]   20:     0x55bf35fb1922 - core::result::Result<T,E>::unwrap::hcf4fa8f63d9c5fe2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/result.rs:1073:23
[INFO] [stdout]   21:     0x55bf35fb8771 - adder::tests::read_from_file_test::hb6bf519b4ba09874
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:104:24
[INFO] [stdout]   22:     0x55bf35fb8727 - adder::tests::read_from_file_test::{{closure}}::hf3e65eaa31771c27
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:103:29
[INFO] [stdout]   23:     0x55bf35fb68e6 - core::ops::function::FnOnce::call_once::hbf80508d0a09046a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55bf35ff2acf - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55bf35ff2acf - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55bf35ff1851 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55bf35ff1851 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55bf35ff1851 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55bf35ff1851 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55bf35ff1851 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55bf35ff1851 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55bf35ff1851 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55bf35fb8b86 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55bf35fb8b86 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55bf35fbdbe7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55bf35fbdbe7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55bf35fbdbe7 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55bf35fbdbe7 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55bf35fbdbe7 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55bf35fbdbe7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55bf35fbdbe7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55bf36022b55 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55bf36022b55 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55bf36022b55 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7ff4a95b5ac3 - <unknown>
[INFO] [stdout]   46:     0x7ff4a9646bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::it_works
[INFO] [stdout]     tests::read_from_file_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p adder --lib`
[INFO] running `Command { std: "docker" "inspect" "8a3745f6922b03e678f3a68a1595ab4362cb9ec65b091f078149fdf0c839928e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a3745f6922b03e678f3a68a1595ab4362cb9ec65b091f078149fdf0c839928e", kill_on_drop: false }`
[INFO] [stdout] 8a3745f6922b03e678f3a68a1595ab4362cb9ec65b091f078149fdf0c839928e
