[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 beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangtao2014%2Frust-learning" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wangtao2014/rust-learning on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "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-7-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-2024-12-08" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf346b57af414b135e9ade60c1a92c61767d4a99f776d21c33b7b6f639cec0ec
[INFO] running `Command { std: "docker" "start" "-a" "bf346b57af414b135e9ade60c1a92c61767d4a99f776d21c33b7b6f639cec0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf346b57af414b135e9ade60c1a92c61767d4a99f776d21c33b7b6f639cec0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf346b57af414b135e9ade60c1a92c61767d4a99f776d21c33b7b6f639cec0ec", kill_on_drop: false }`
[INFO] [stdout] bf346b57af414b135e9ade60c1a92c61767d4a99f776d21c33b7b6f639cec0ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 016b817e58e8895d1328503e510a22ee94979c45a1332e469eab1316971adab6
[INFO] running `Command { std: "docker" "start" "-a" "016b817e58e8895d1328503e510a22ee94979c45a1332e469eab1316971adab6", 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 libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[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 futures-core v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[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 tokio v1.23.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling yansi v0.5.1
[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 futures-io v0.3.25
[INFO] [stderr]    Compiling indexmap v1.9.2
[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 try-lock v0.2.3
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]    Compiling ref-cast v1.0.13
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[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 either v1.8.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling state v0.5.3
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/live-coding/variables)
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling async-trait v0.1.59
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cipher v0.4.3
[INFO] [stderr]    Compiling universal-hash v0.5.0
[INFO] [stderr]    Compiling aead v0.5.1
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling polyval v0.6.0
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rocket v0.5.0-rc.2
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling ghash v0.5.0
[INFO] [stderr]    Compiling aes v0.8.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[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 tempfile v3.3.0
[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] [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: 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 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] [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] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/live-coding/adder)
[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 my-project v0.1.0 (/opt/rustwide/workdir/live-coding/my-project)
[INFO] [stderr]    Compiling chapter-11-test v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-11-test)
[INFO] [stdout] warning: unused imports: `File` and `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 aes-gcm v0.10.1
[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] [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: 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] [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 devise v0.3.1
[INFO] [stderr]    Compiling pear v0.2.3
[INFO] [stderr]    Compiling async-stream v0.3.3
[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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "016b817e58e8895d1328503e510a22ee94979c45a1332e469eab1316971adab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016b817e58e8895d1328503e510a22ee94979c45a1332e469eab1316971adab6", kill_on_drop: false }`
[INFO] [stdout] 016b817e58e8895d1328503e510a22ee94979c45a1332e469eab1316971adab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a97bf71751e5c8af080a8cc3c4a9d371109367356270d9656c85a7a3845e510a
[INFO] running `Command { std: "docker" "start" "-a" "a97bf71751e5c8af080a8cc3c4a9d371109367356270d9656c85a7a3845e510a", 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] [stderr]    Compiling training-code v0.1.0 (/opt/rustwide/workdir/live-coding/training-code)
[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 chapter-10-trait-lifetime v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-10-trait-lifetime)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/live-coding/variables)
[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: unused imports: `File` and `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 world_hello v0.1.0 (/opt/rustwide/workdir/live-coding/world_hello)
[INFO] [stderr]    Compiling chapter-09-error v0.1.0 (/opt/rustwide/workdir/live-coding/chapter-09-error)
[INFO] [stderr]    Compiling life-time v0.1.0 (/opt/rustwide/workdir/live-coding/life-time)
[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 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: 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 imports: `File` and `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: 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 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 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: 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: 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: 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: 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: 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: 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: `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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "a97bf71751e5c8af080a8cc3c4a9d371109367356270d9656c85a7a3845e510a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97bf71751e5c8af080a8cc3c4a9d371109367356270d9656c85a7a3845e510a", kill_on_drop: false }`
[INFO] [stdout] a97bf71751e5c8af080a8cc3c4a9d371109367356270d9656c85a7a3845e510a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c88655a25a02caec445c7eb20e4b569c49f8759d3abc28b23af80621bacd5b7a
[INFO] running `Command { std: "docker" "start" "-a" "c88655a25a02caec445c7eb20e4b569c49f8759d3abc28b23af80621bacd5b7a", 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` and `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
[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)
[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: `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: `chapter-10-trait-lifetime` (lib test) generated 5 warnings (5 duplicates)
[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: 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: `adder` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr] warning: `chapter-09-error` (bin "chapter-09-error" test) generated 7 warnings
[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` profile [unoptimized + debuginfo] target(s) in 0.18s
[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::it_works ... FAILED
[INFO] [stdout] test tests::greater_than_100 - should panic ... ok
[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:     0x5cf16f01fdca - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5cf16f01fdca - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5cf16f01fdca - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5cf16f01fdca - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5cf16f0458c3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5cf16f0458c3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x5cf16f01cf63 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x5cf16f01fc12 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5cf16f02124d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5cf16f021057 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5cf16efea197 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x5cf16efea197 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5cf16f0218f8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x5cf16f0218f8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5cf16f0216ba - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5cf16f0202a9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5cf16f02134c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5cf16efa7aa0 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x5cf16efb0374 - adder::tests::it_works::h185ef91c95e879fa
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:68:31
[INFO] [stdout]   19:     0x5cf16efb00a7 - adder::tests::it_works::{{closure}}::hf581b85187bb6181
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:57:18
[INFO] [stdout]   20:     0x5cf16efa97b6 - core::ops::function::FnOnce::call_once::hd704dcb68c1ecacf
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   21:     0x5cf16efeecbb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5cf16efeecbb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   23:     0x5cf16efee6a8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   24:     0x5cf16efee6a8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   25:     0x5cf16efee6a8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   26:     0x5cf16efee6a8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   27:     0x5cf16efee6a8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   28:     0x5cf16efee6a8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   29:     0x5cf16efee6a8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   30:     0x5cf16efb214a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   31:     0x5cf16efb214a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   32:     0x5cf16efb5ac4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   33:     0x5cf16efb5ac4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   34:     0x5cf16efb5ac4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   35:     0x5cf16efb5ac4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   36:     0x5cf16efb5ac4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   37:     0x5cf16efb5ac4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   38:     0x5cf16efb5ac4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   39:     0x5cf16f02584b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   40:     0x5cf16f02584b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   41:     0x5cf16f02584b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   42:     0x73acc0a55ac3 - <unknown>
[INFO] [stdout]   43:     0x73acc0ae6a04 - clone
[INFO] [stdout]   44:                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:     0x5cf16f01fdca - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5cf16f01fdca - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5cf16f01fdca - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5cf16f01fdca - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5cf16f0458c3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5cf16f0458c3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x5cf16f01cf63 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x5cf16f01fc12 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5cf16f02124d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5cf16f021057 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5cf16efea197 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x5cf16efea197 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5cf16f0218f8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x5cf16f0218f8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5cf16f0216ba - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5cf16f0202a9 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5cf16f02134c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5cf16efa7aa0 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x5cf16efa7e46 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   19:     0x5cf16efb07a9 - core::result::Result<T,E>::unwrap::had76dc78b2825b72
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1104:23
[INFO] [stdout]   20:     0x5cf16efb07a9 - adder::tests::read_from_file_test::hb95c3553c2e863c2
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:104:24
[INFO] [stdout]   21:     0x5cf16efb0727 - adder::tests::read_from_file_test::{{closure}}::hc204634f471e2300
[INFO] [stdout]                                at /opt/rustwide/workdir/live-coding/adder/src/lib.rs:103:29
[INFO] [stdout]   22:     0x5cf16efa9736 - core::ops::function::FnOnce::call_once::hb012a6a1c270da65
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5cf16efeecbb - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5cf16efeecbb - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x5cf16efee6a8 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x5cf16efee6a8 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x5cf16efee6a8 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x5cf16efee6a8 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x5cf16efee6a8 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x5cf16efee6a8 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x5cf16efee6a8 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x5cf16efb214a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x5cf16efb214a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x5cf16efb5ac4 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   35:     0x5cf16efb5ac4 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x5cf16efb5ac4 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x5cf16efb5ac4 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x5cf16efb5ac4 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x5cf16efb5ac4 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   40:     0x5cf16efb5ac4 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5cf16f02584b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x5cf16f02584b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   43:     0x5cf16f02584b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x73acc0a55ac3 - <unknown>
[INFO] [stdout]   45:     0x73acc0ae6a04 - clone
[INFO] [stdout]   46:                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 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p adder --lib`
[INFO] running `Command { std: "docker" "inspect" "c88655a25a02caec445c7eb20e4b569c49f8759d3abc28b23af80621bacd5b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88655a25a02caec445c7eb20e4b569c49f8759d3abc28b23af80621bacd5b7a", kill_on_drop: false }`
[INFO] [stdout] c88655a25a02caec445c7eb20e4b569c49f8759d3abc28b23af80621bacd5b7a
