[INFO] cloning repository https://github.com/emgniddikur/rust_sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emgniddikur/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femgniddikur%2Frust_sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femgniddikur%2Frust_sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e185a37ff85d1aae43dc2c10b67339987a9fed57
[INFO] testing emgniddikur/rust_sandbox against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femgniddikur%2Frust_sandbox" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emgniddikur/rust_sandbox on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/emgniddikur/rust_sandbox
[INFO] finished tweaking git repo https://github.com/emgniddikur/rust_sandbox
[INFO] tweaked toml for git repo https://github.com/emgniddikur/rust_sandbox written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/emgniddikur/rust_sandbox 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d57c7853c03c4abdc182b02e1594d0c279c80b43e8d69ddde4ad98baba63385c
[INFO] running `Command { std: "docker" "start" "-a" "d57c7853c03c4abdc182b02e1594d0c279c80b43e8d69ddde4ad98baba63385c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d57c7853c03c4abdc182b02e1594d0c279c80b43e8d69ddde4ad98baba63385c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57c7853c03c4abdc182b02e1594d0c279c80b43e8d69ddde4ad98baba63385c", kill_on_drop: false }`
[INFO] [stdout] d57c7853c03c4abdc182b02e1594d0c279c80b43e8d69ddde4ad98baba63385c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cbf9f29719cfd80e130af41cfbd6c068a9554f6296093cdb60f9f47d2ed6d2c
[INFO] running `Command { std: "docker" "start" "-a" "8cbf9f29719cfd80e130af41cfbd6c068a9554f6296093cdb60f9f47d2ed6d2c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.15.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling bytemuck v1.12.3
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling tokio-macros v2.0.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.16
[INFO] [stderr]    Compiling env_logger v0.9.1
[INFO] [stderr]    Compiling tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stderr]    Compiling features v0.1.0 (/opt/rustwide/workdir/features)
[INFO] [stderr]    Compiling validation v0.1.0 (/opt/rustwide/workdir/validation)
[INFO] [stdout] warning: function `len` is never used
[INFO] [stdout]  --> validation/src/validation.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn len(val: &str) -> usize {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]  --> validation/src/validation.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn min(val: &str, min_len: usize) -> bool {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max` is never used
[INFO] [stdout]   --> validation/src/validation.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn max(val: &str, max_len: usize) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]  --> tests/src/message.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn greet(name: &str) -> String {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> tests/src/unit_tests.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn add(left: i32, right: i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jpeg-decoder v0.2.6
[INFO] [stderr]    Compiling string v0.1.0 (/opt/rustwide/workdir/string)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling io v0.1.0 (/opt/rustwide/workdir/io)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/traits)
[INFO] [stdout] warning: field `item` is never read
[INFO] [stdout]  --> traits/src/derive/debug.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Struct {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 7 |     item: i32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Struct` 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 asynchronous v0.1.0 (/opt/rustwide/workdir/asynchronous)
[INFO] [stderr]    Compiling time v0.1.0 (/opt/rustwide/workdir/time)
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir/concurrency)
[INFO] [stderr]    Compiling generics v0.1.0 (/opt/rustwide/workdir/generics)
[INFO] [stderr]    Compiling closures v0.1.0 (/opt/rustwide/workdir/closures)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling smart_pointers v0.1.0 (/opt/rustwide/workdir/smart_pointers)
[INFO] [stdout] warning: function `factorial` is never used
[INFO] [stdout]  --> closures/src/recursive.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn factorial(n: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cargo v0.1.0 (/opt/rustwide/workdir/cargo)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> smart_pointers/src/rc.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let b = Cons(3, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> smart_pointers/src/rc.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let c = Cons(4, Rc::clone(&a));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling collections v0.1.0 (/opt/rustwide/workdir/collections)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> smart_pointers/src/deref.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn new(x: T) -> MyBox<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling enums v0.1.0 (/opt/rustwide/workdir/enums)
[INFO] [stderr]    Compiling ddd v0.1.0 (/opt/rustwide/workdir/ddd)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tree v0.1.0 (/opt/rustwide/workdir/tree)
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/rustwide/workdir/structs)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/ownership)
[INFO] [stdout] warning: unused import: `create_mock_node`
[INFO] [stdout]  --> tree/src/flattened_tree.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::node::{create_mock_node, Node};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tiff v0.7.4
[INFO] [stdout] warning: unused import: `create_mock_flattened_tree`
[INFO] [stdout]  --> tree/src/node.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::flattened_tree::{create_mock_flattened_tree, FlattenedTreeItem};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling attributes v0.1.0 (/opt/rustwide/workdir/attributes)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> ownership/src/lifetimes.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> ownership/src/lifetimes.rs:81:22
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn method(&self, s: &str) -> &str {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]   --> ownership/src/lifetimes.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest2` is never used
[INFO] [stdout]   --> ownership/src/lifetimes.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func` is never used
[INFO] [stdout]   --> ownership/src/lifetimes.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn func(s: &str) -> &str {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]   --> ownership/src/lifetimes.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct S<'a> {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `method` is never used
[INFO] [stdout]   --> ownership/src/lifetimes.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn method(&self, s: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `method2` is never used
[INFO] [stdout]   --> ownership/src/lifetimes.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn method2<'b>(&self, s: &'b str) -> &'b str {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> attributes/src/cfg_attr.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo {}
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env v0.1.0 (/opt/rustwide/workdir/env)
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/rustwide/workdir/sandbox)
[INFO] [stderr]    Compiling iterators v0.1.0 (/opt/rustwide/workdir/iterators)
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling persistence v0.1.0 (/opt/rustwide/workdir/persistence)
[INFO] [stdout] warning: unused variable: `payload`
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn create(&self, payload: CreateTodo) -> Todo {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get(&self, id: Id) -> Todo {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn update(&self, id: Id, payload: UpdateTodo) -> Todo {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `payload`
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn update(&self, id: Id, payload: UpdateTodo) -> Todo {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn delete(&self, id: Id) {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> persistence/src/arc_mutex.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {}
[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]   --> persistence/src/arc_rw_lock.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_todos_ref` is never used
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn read_todos_ref(&self) -> RwLockReadGuard<Todos> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_todos_ref` is never used
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write_todos_ref(&self) -> RwLockWriteGuard<Todos> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> persistence/src/rc_refcell.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {}
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `text` are never read
[INFO] [stdout]  --> persistence/src/todo.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Todo {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 6 |     id: Id,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     text: Text,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> persistence/src/todo.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct CreateTodo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     text: Text,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> persistence/src/todo.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct UpdateTodo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 21 |     text: Text,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> persistence/src/todo.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(id: Id, text: Text) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling error_handling v0.1.0 (/opt/rustwide/workdir/error_handling)
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stdout] warning: unused variable: `some_v`
[INFO] [stdout]   --> error_handling/src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let some_v = div(2, 2).ok();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_e`
[INFO] [stdout]   --> error_handling/src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let some_e = div(2, 0).err();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_result` is never used
[INFO] [stdout]   --> error_handling/src/main.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn display_result<T: std::fmt::Display, E: std::fmt::Display>(result: Result<T, E>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiple_error` is never used
[INFO] [stdout]   --> error_handling/src/error_propagation.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn multiple_error(s: &str) -> Result<i32, Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling exr v1.5.2
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v3.2.22
[INFO] [stderr]    Compiling logs v0.1.0 (/opt/rustwide/workdir/logs)
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling tokio-stream v0.1.11
[INFO] [stderr]    Compiling tokio-rustls v0.23.4
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling aws-smithy-async v0.52.0
[INFO] [stderr]    Compiling image v0.24.4
[INFO] [stderr]    Compiling h2 v0.3.15
[INFO] [stderr]    Compiling chrono v0.4.24
[INFO] [stderr]    Compiling type_conversion v0.1.0 (/opt/rustwide/workdir/type_conversion)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> type_conversion/src/from_into.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let a = A::from(b);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b_vec`
[INFO] [stdout]   --> type_conversion/src/from_into.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let b_vec = a_vec.into_iter().map(|a| a.into()).collect::<Vec<B>>();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_b_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> type_conversion/src/from_into2.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let a: A = b.into();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> type_conversion/src/from_into.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec` is never used
[INFO] [stdout]   --> type_conversion/src/from_into.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn vec() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> type_conversion/src/from_into2.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_sandbox v0.1.0 (/opt/rustwide/workdir/serde_sandbox)
[INFO] [stderr]    Compiling cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]    Compiling image v0.1.0 (/opt/rustwide/workdir/image)
[INFO] [stderr]    Compiling hyper v0.14.23
[INFO] [stderr]    Compiling aws-smithy-http v0.52.0
[INFO] [stderr]    Compiling hyper-rustls v0.23.2
[INFO] [stderr]    Compiling rusoto_credential v0.48.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling aws-smithy-http-tower v0.52.0
[INFO] [stderr]    Compiling aws-sigv4 v0.52.0
[INFO] [stderr]    Compiling aws-smithy-client v0.52.0
[INFO] [stderr]    Compiling rusoto_signature v0.48.0
[INFO] [stderr]    Compiling aws-http v0.52.0
[INFO] [stderr]    Compiling aws-endpoint v0.52.0
[INFO] [stderr]    Compiling aws-sig-auth v0.52.0
[INFO] [stderr]    Compiling aws-sdk-sso v0.22.0
[INFO] [stderr]    Compiling aws-sdk-sts v0.22.0
[INFO] [stderr]    Compiling aws-sdk-dynamodb v0.22.0
[INFO] [stderr]    Compiling rusoto_dynamodb v0.48.0
[INFO] [stderr]    Compiling aws-config v0.52.0
[INFO] [stderr]    Compiling rusoto v0.1.0 (/opt/rustwide/workdir/rusoto)
[INFO] [stdout] warning: function `remove_attributes` is never used
[INFO] [stdout]  --> rusoto/src/main.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | async fn remove_attributes(table_name: &str, attribute_names: Vec<&str>) -> anyhow::Result<()> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aws-sdk v0.1.0 (/opt/rustwide/workdir/aws-sdk)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.23s
[INFO] running `Command { std: "docker" "inspect" "8cbf9f29719cfd80e130af41cfbd6c068a9554f6296093cdb60f9f47d2ed6d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbf9f29719cfd80e130af41cfbd6c068a9554f6296093cdb60f9f47d2ed6d2c", kill_on_drop: false }`
[INFO] [stdout] 8cbf9f29719cfd80e130af41cfbd6c068a9554f6296093cdb60f9f47d2ed6d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9177c108e17e45c4b44e3533f441ecdff0d10826e585ad632ed1e63cccf7bbd2
[INFO] running `Command { std: "docker" "start" "-a" "9177c108e17e45c4b44e3533f441ecdff0d10826e585ad632ed1e63cccf7bbd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> type_conversion/src/from_into.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let a = A::from(b);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b_vec`
[INFO] [stdout]   --> type_conversion/src/from_into.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let b_vec = a_vec.into_iter().map(|a| a.into()).collect::<Vec<B>>();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_b_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> type_conversion/src/from_into2.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let a: A = b.into();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> type_conversion/src/from_into.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec` is never used
[INFO] [stdout]   --> type_conversion/src/from_into.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn vec() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> type_conversion/src/from_into2.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `create_mock_node`
[INFO] [stdout]  --> tree/src/flattened_tree.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::node::{create_mock_node, Node};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `create_mock_flattened_tree`
[INFO] [stdout]  --> tree/src/node.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::flattened_tree::{create_mock_flattened_tree, FlattenedTreeItem};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling string v0.1.0 (/opt/rustwide/workdir/string)
[INFO] [stderr]    Compiling image v0.1.0 (/opt/rustwide/workdir/image)
[INFO] [stderr]    Compiling validation v0.1.0 (/opt/rustwide/workdir/validation)
[INFO] [stderr]    Compiling aws-sdk v0.1.0 (/opt/rustwide/workdir/aws-sdk)
[INFO] [stderr]    Compiling error_handling v0.1.0 (/opt/rustwide/workdir/error_handling)
[INFO] [stderr]    Compiling cli v0.1.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]    Compiling logs v0.1.0 (/opt/rustwide/workdir/logs)
[INFO] [stderr]    Compiling rusoto v0.1.0 (/opt/rustwide/workdir/rusoto)
[INFO] [stdout] warning: function `greet` is never used
[INFO] [stdout]  --> tests/src/message.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn greet(name: &str) -> String {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> tests/src/unit_tests.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn add(left: i32, right: i32) -> i32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling type_conversion v0.1.0 (/opt/rustwide/workdir/type_conversion)
[INFO] [stderr]    Compiling serde_sandbox v0.1.0 (/opt/rustwide/workdir/serde_sandbox)
[INFO] [stderr]    Compiling macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling collections v0.1.0 (/opt/rustwide/workdir/collections)
[INFO] [stdout] warning: function `remove_attributes` is never used
[INFO] [stdout]  --> rusoto/src/main.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | async fn remove_attributes(table_name: &str, attribute_names: Vec<&str>) -> anyhow::Result<()> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_v`
[INFO] [stdout]   --> error_handling/src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let some_v = div(2, 2).ok();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_e`
[INFO] [stdout]   --> error_handling/src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let some_e = div(2, 0).err();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_result` is never used
[INFO] [stdout]   --> error_handling/src/main.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn display_result<T: std::fmt::Display, E: std::fmt::Display>(result: Result<T, E>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiple_error` is never used
[INFO] [stdout]   --> error_handling/src/error_propagation.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn multiple_error(s: &str) -> Result<i32, Box<dyn std::error::Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> type_conversion/src/from_into.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let a = A::from(b);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b_vec`
[INFO] [stdout]   --> type_conversion/src/from_into.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let b_vec = a_vec.into_iter().map(|a| a.into()).collect::<Vec<B>>();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_b_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> type_conversion/src/from_into2.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let a: A = b.into();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> type_conversion/src/from_into.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec` is never used
[INFO] [stdout]   --> type_conversion/src/from_into.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn vec() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> type_conversion/src/from_into2.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling ddd v0.1.0 (/opt/rustwide/workdir/ddd)
[INFO] [stderr]    Compiling io v0.1.0 (/opt/rustwide/workdir/io)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/ownership)
[INFO] [stderr]    Compiling cargo v0.1.0 (/opt/rustwide/workdir/cargo)
[INFO] [stderr]    Compiling tree v0.1.0 (/opt/rustwide/workdir/tree)
[INFO] [stderr]    Compiling persistence v0.1.0 (/opt/rustwide/workdir/persistence)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/traits)
[INFO] [stderr]    Compiling generics v0.1.0 (/opt/rustwide/workdir/generics)
[INFO] [stderr]    Compiling env v0.1.0 (/opt/rustwide/workdir/env)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> ownership/src/lifetimes.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> ownership/src/lifetimes.rs:81:22
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn method(&self, s: &str) -> &str {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling closures v0.1.0 (/opt/rustwide/workdir/closures)
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]   --> ownership/src/lifetimes.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest2` is never used
[INFO] [stdout]   --> ownership/src/lifetimes.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `func` is never used
[INFO] [stdout]   --> ownership/src/lifetimes.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn func(s: &str) -> &str {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S` is never constructed
[INFO] [stdout]   --> ownership/src/lifetimes.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct S<'a> {
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `method` is never used
[INFO] [stdout]   --> ownership/src/lifetimes.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn method(&self, s: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `method2` is never used
[INFO] [stdout]   --> ownership/src/lifetimes.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn method2<'b>(&self, s: &'b str) -> &'b str {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling smart_pointers v0.1.0 (/opt/rustwide/workdir/smart_pointers)
[INFO] [stdout] warning: unused variable: `payload`
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:36:22
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn create(&self, payload: CreateTodo) -> Todo {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn get(&self, id: Id) -> Todo {
[INFO] [stdout]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn update(&self, id: Id, payload: UpdateTodo) -> Todo {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `payload`
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn update(&self, id: Id, payload: UpdateTodo) -> Todo {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn delete(&self, id: Id) {
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> persistence/src/arc_mutex.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {}
[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]   --> persistence/src/arc_rw_lock.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_todos_ref` is never used
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn read_todos_ref(&self) -> RwLockReadGuard<Todos> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_todos_ref` is never used
[INFO] [stdout]   --> persistence/src/arc_rw_lock.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn write_todos_ref(&self) -> RwLockWriteGuard<Todos> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> persistence/src/rc_refcell.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {}
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `text` are never read
[INFO] [stdout]  --> persistence/src/todo.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Todo {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 6 |     id: Id,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     text: Text,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> persistence/src/todo.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct CreateTodo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     text: Text,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text` is never read
[INFO] [stdout]   --> persistence/src/todo.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct UpdateTodo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 21 |     text: Text,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> persistence/src/todo.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(id: Id, text: Text) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling features v0.1.0 (/opt/rustwide/workdir/features)
[INFO] [stderr]    Compiling time v0.1.0 (/opt/rustwide/workdir/time)
[INFO] [stdout] warning: field `item` is never read
[INFO] [stdout]  --> traits/src/derive/debug.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Struct {
[INFO] [stdout]   |        ------ field in this struct
[INFO] [stdout] 7 |     item: i32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Struct` 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 iterators v0.1.0 (/opt/rustwide/workdir/iterators)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> smart_pointers/src/rc.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let b = Cons(3, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> smart_pointers/src/rc.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let c = Cons(4, Rc::clone(&a));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/rustwide/workdir/sandbox)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> smart_pointers/src/deref.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut name = MyBox::new("name".to_string());
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tests v0.1.0 (/opt/rustwide/workdir/tests)
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling enums v0.1.0 (/opt/rustwide/workdir/enums)
[INFO] [stderr]    Compiling attributes v0.1.0 (/opt/rustwide/workdir/attributes)
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/rustwide/workdir/structs)
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir/concurrency)
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> attributes/src/cfg_attr.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo {}
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling asynchronous v0.1.0 (/opt/rustwide/workdir/asynchronous)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 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 3.48s
[INFO] running `Command { std: "docker" "inspect" "9177c108e17e45c4b44e3533f441ecdff0d10826e585ad632ed1e63cccf7bbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9177c108e17e45c4b44e3533f441ecdff0d10826e585ad632ed1e63cccf7bbd2", kill_on_drop: false }`
[INFO] [stdout] 9177c108e17e45c4b44e3533f441ecdff0d10826e585ad632ed1e63cccf7bbd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cf2191bc955045a829a99b2b3de4aef9266e65b83350259fc0c32c5f08d2b55
[INFO] running `Command { std: "docker" "start" "-a" "1cf2191bc955045a829a99b2b3de4aef9266e65b83350259fc0c32c5f08d2b55", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> type_conversion/src/from_into.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let a = A::from(b);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b_vec`
[INFO] [stderr]   --> type_conversion/src/from_into.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let b_vec = a_vec.into_iter().map(|a| a.into()).collect::<Vec<B>>();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_b_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> type_conversion/src/from_into2.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let a: A = b.into();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> type_conversion/src/from_into.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `vec` is never used
[INFO] [stderr]   --> type_conversion/src/from_into.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn vec() {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> type_conversion/src/from_into2.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `create_mock_node`
[INFO] [stderr]  --> tree/src/flattened_tree.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::node::{create_mock_node, Node};
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `create_mock_flattened_tree`
[INFO] [stderr]  --> tree/src/node.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::flattened_tree::{create_mock_flattened_tree, FlattenedTreeItem};
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `type_conversion` (lib) generated 6 warnings (run `cargo fix --lib -p type_conversion` to apply 3 suggestions)
[INFO] [stderr] warning: `tree` (lib) generated 2 warnings (run `cargo fix --lib -p tree` to apply 2 suggestions)
[INFO] [stderr] warning: function `greet` is never used
[INFO] [stderr]  --> tests/src/message.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn greet(name: &str) -> String {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]  --> tests/src/unit_tests.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn add(left: i32, right: i32) -> i32 {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tests` (bin "tests") generated 2 warnings
[INFO] [stderr] warning: `type_conversion` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: function `remove_attributes` is never used
[INFO] [stderr]  --> rusoto/src/main.rs:5:10
[INFO] [stderr]   |
[INFO] [stderr] 5 | async fn remove_attributes(table_name: &str, attribute_names: Vec<&str>) -> anyhow::Result<()> {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `some_v`
[INFO] [stderr]   --> error_handling/src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let some_v = div(2, 2).ok();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `some_e`
[INFO] [stderr]   --> error_handling/src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let some_e = div(2, 0).err();
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_e`
[INFO] [stderr] 
[INFO] [stderr] warning: function `display_result` is never used
[INFO] [stderr]   --> error_handling/src/main.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn display_result<T: std::fmt::Display, E: std::fmt::Display>(result: Result<T, E>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `multiple_error` is never used
[INFO] [stderr]   --> error_handling/src/error_propagation.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn multiple_error(s: &str) -> Result<i32, Box<dyn std::error::Error>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> smart_pointers/src/rc.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let b = Cons(3, Rc::clone(&a));
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> smart_pointers/src/rc.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let c = Cons(4, Rc::clone(&a));
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> smart_pointers/src/deref.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let mut name = MyBox::new("name".to_string());
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `item` is never read
[INFO] [stderr]  --> traits/src/derive/debug.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Struct {
[INFO] [stderr]   |        ------ field in this struct
[INFO] [stderr] 7 |     item: i32,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Struct` 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: `rusoto` (bin "rusoto" test) generated 1 warning
[INFO] [stderr] warning: `error_handling` (bin "error_handling" test) generated 4 warnings (run `cargo fix --bin "error_handling" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `smart_pointers` (bin "smart_pointers" test) generated 3 warnings (run `cargo fix --bin "smart_pointers" --tests` to apply 3 suggestions)
[INFO] [stderr] warning: `traits` (bin "traits" test) generated 1 warning
[INFO] [stderr] warning: struct `Foo` is never constructed
[INFO] [stderr]  --> attributes/src/cfg_attr.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Foo {}
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> persistence/src/arc_rw_lock.rs:36:22
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn create(&self, payload: CreateTodo) -> Todo {
[INFO] [stderr]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> persistence/src/arc_rw_lock.rs:40:19
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn get(&self, id: Id) -> Todo {
[INFO] [stderr]    |                   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> persistence/src/arc_rw_lock.rs:44:22
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn update(&self, id: Id, payload: UpdateTodo) -> Todo {
[INFO] [stderr]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]   --> persistence/src/arc_rw_lock.rs:44:30
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn update(&self, id: Id, payload: UpdateTodo) -> Todo {
[INFO] [stderr]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> persistence/src/arc_rw_lock.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn delete(&self, id: Id) {
[INFO] [stderr]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> persistence/src/arc_mutex.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main() {}
[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]   --> persistence/src/arc_rw_lock.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `read_todos_ref` is never used
[INFO] [stderr]   --> persistence/src/arc_rw_lock.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn read_todos_ref(&self) -> RwLockReadGuard<Todos> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `write_todos_ref` is never used
[INFO] [stderr]   --> persistence/src/arc_rw_lock.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn write_todos_ref(&self) -> RwLockWriteGuard<Todos> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> persistence/src/rc_refcell.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn main() {}
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id` and `text` are never read
[INFO] [stderr]  --> persistence/src/todo.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Todo {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 6 |     id: Id,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 7 |     text: Text,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `text` is never read
[INFO] [stderr]   --> persistence/src/todo.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct CreateTodo {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 17 |     text: Text,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `text` is never read
[INFO] [stderr]   --> persistence/src/todo.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct UpdateTodo {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 21 |     text: Text,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> persistence/src/todo.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(id: Id, text: Text) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> ownership/src/lifetimes.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str {
[INFO] [stderr]    |                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> ownership/src/lifetimes.rs:81:22
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn method(&self, s: &str) -> &str {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest` is never used
[INFO] [stderr]   --> ownership/src/lifetimes.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest2` is never used
[INFO] [stderr]   --> ownership/src/lifetimes.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `func` is never used
[INFO] [stderr]   --> ownership/src/lifetimes.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn func(s: &str) -> &str {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `S` is never constructed
[INFO] [stderr]   --> ownership/src/lifetimes.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 75 | struct S<'a> {
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: method `method` is never used
[INFO] [stderr]   --> ownership/src/lifetimes.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn method(&self, s: &str) -> &str {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `method2` is never used
[INFO] [stderr]   --> ownership/src/lifetimes.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn method2<'b>(&self, s: &'b str) -> &'b str {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `attributes` (bin "attributes" test) generated 1 warning
[INFO] [stderr] warning: `persistence` (bin "persistence" test) generated 14 warnings (run `cargo fix --bin "persistence" --tests` to apply 5 suggestions)
[INFO] [stderr] warning: `ownership` (bin "ownership" test) generated 8 warnings (run `cargo fix --bin "ownership" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/asynchronous-3411f130ab93fd03)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/attributes-c6c80b7381876162)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aws_sdk-1adbc3b9ec993e9a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aws_sdk-d202f3a81af28bef)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo-d8f601d52f776ae5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cli-130b2f91735bf2e9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/closures-edf542b9b3620064)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test recursive::tests::five_120 ... ok
[INFO] [stdout] test recursive::tests::four_24 ... ok
[INFO] [stdout] test recursive::tests::one_1 ... ok
[INFO] [stdout] test recursive::tests::three_6 ... ok
[INFO] [stdout] test recursive::tests::two_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/collections-bfb06fa2de09ffd9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test b_tree_set::tests::main ... ok
[INFO] [stdout] test hash_set::tests::main ... ok
[INFO] [stdout] test hash_set::tests::intersection ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency-71c6b8934665197c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ddd-c21e121fdea6dead)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/enums-bdcd2ed35bc8fd03)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/env-a0175a06bf52a613)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/error_handling-02402f0a18102dcb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test error_propagation::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/features-c9d9d1e5dcc9cd86)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/generics-ad2f0fea097ef007)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/image-26a64248b5889e3b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/io-e95babaf0f90a154)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/iterators-5abe134037191ae9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/logs-147e56794c347705)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/macros-ea3f6e222dc3bc03)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership-3edaae0235773122)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/persistence-8827e2489dfae865)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusoto-a42cc593d36e718d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sandbox-597dfcd046b93d24)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/serde_sandbox-74b8c04d7545d0db)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/smart_pointers-eb45b5acea2003ad)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test deref::basic ... ok
[INFO] [stdout] test deref::implicit_deref_coercions ... ok
[INFO] [stdout] test drop::use_custom_smart_pointer ... ok
[INFO] [stdout] test deref::use_my_box ... ok
[INFO] [stdout] test deref::use_box ... ok
[INFO] [stdout] test drop::use_drop ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/string-a3d5441fa9d43965)
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/structs-abcb61df8da93ca6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tests-0f981c98be937c78)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tests-81b85d2d350eb1d3)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test ignore::test ... ignored
[INFO] [stdout] test base::test ... ok
[INFO] [stdout] test options::ok ... ok
[INFO] [stdout] test message::greeting_contains_name ... ok
[INFO] [stdout] test unit_tests::tests::one_plus_two_is_three ... ok
[INFO] [stdout] test err::test ... FAILED
[INFO] [stdout] test should_panic::test - should panic ... ok
[INFO] [stdout] test should_panic::test_with_expected - should panic ... ok
[INFO] [stdout] test options::fail ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- err::test stdout ----
[INFO] [stdout] Error: "error"
[INFO] [stdout] 
[INFO] [stdout] ---- options::fail stdout ----
[INFO] [stdout] 失敗します
[INFO] [stdout] thread 'options::fail' panicked at 'explicit panic', tests/src/options.rs:56:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d99c8be41a - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x55d99c8be41a - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d99c8be41a - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x55d99c8be41a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d99c8e1aae - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x55d99c8bb895 - std::io::Write::write_fmt::h478f79c628ef31d1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x55d99c8be1e5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x55d99c8be1e5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x55d99c8bffaf - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x55d99c8bfc6f - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:287:9
[INFO] [stdout]   10:     0x55d99c892887 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdf1b89dd137ece34
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   11:     0x55d99c892887 - test::test_main::{{closure}}::h9081a79f20e75698
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:135:21
[INFO] [stdout]   12:     0x55d99c8c06dd - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6507bddc3eebb4a5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:2001:9
[INFO] [stdout]   13:     0x55d99c8c06dd - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:696:13
[INFO] [stdout]   14:     0x55d99c862bb6 - std::panicking::begin_panic::{{closure}}::h6e37a42882bde343
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:612:9
[INFO] [stdout]   15:     0x55d99c862e09 - std::sys_common::backtrace::__rust_end_short_backtrace::h55a05cb636c95391
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   16:     0x55d99c862afc - std::panicking::begin_panic::h8141c34ee6803a92
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:611:12
[INFO] [stdout]   17:     0x55d99c86357f - tests::options::fail::h390452a5b545bdfc
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/src/options.rs:56:5
[INFO] [stdout]   18:     0x55d99c863517 - tests::options::fail::{{closure}}::he0364cf985d08e44
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/src/options.rs:53:11
[INFO] [stdout]   19:     0x55d99c85f9b5 - core::ops::function::FnOnce::call_once::hcb90a9eb00a1c746
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   20:     0x55d99c897c6f - core::ops::function::FnOnce::call_once::h7d969581be7d0075
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   21:     0x55d99c897c6f - test::__rust_begin_short_backtrace::hca25a52684e56655
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:656:18
[INFO] [stdout]   22:     0x55d99c86928c - test::run_test::{{closure}}::ha8ac744c4af1a4bb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:647:30
[INFO] [stdout]   23:     0x55d99c86928c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7b411a9ed45bdecf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55d99c896c36 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd05328869a8ed200
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   25:     0x55d99c896c36 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0c601ce20bd5b2be
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   26:     0x55d99c896c36 - std::panicking::try::do_call::ha4be5c164fe30854
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   27:     0x55d99c896c36 - std::panicking::try::h604546f3609af05f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   28:     0x55d99c896c36 - std::panic::catch_unwind::h5bfa8afe44c9c2f9
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   29:     0x55d99c896c36 - test::run_test_in_process::hd50dee55dd63e6aa
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:679:27
[INFO] [stdout]   30:     0x55d99c896c36 - test::run_test::run_test_inner::{{closure}}::h4aa0f433aa85cea8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:573:39
[INFO] [stdout]   31:     0x55d99c863901 - test::run_test::run_test_inner::{{closure}}::had56431adf24b4d6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/test/src/lib.rs:600:37
[INFO] [stdout]   32:     0x55d99c863901 - std::sys_common::backtrace::__rust_begin_short_backtrace::ha8d9890e0c73bf13
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:134:18
[INFO] [stdout]   33:     0x55d99c86931b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h251832bcb4a95327
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:560:17
[INFO] [stdout]   34:     0x55d99c86931b - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8fdff598fa414831
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   35:     0x55d99c86931b - std::panicking::try::do_call::h455dd2f7764a950f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   36:     0x55d99c86931b - std::panicking::try::had6f23b7b73ae72a
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   37:     0x55d99c86931b - std::panic::catch_unwind::ha6a5ca3915b4dad0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   38:     0x55d99c86931b - std::thread::Builder::spawn_unchecked_::{{closure}}::h883b72ef75da6231
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   39:     0x55d99c86931b - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb7dff73dc8bd2ccb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x55d99c8c4a43 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h39990b24eedef2ab
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   41:     0x55d99c8c4a43 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h01a027258444143b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/alloc/src/boxed.rs:1987:9
[INFO] [stdout]   42:     0x55d99c8c4a43 - std::sys::unix::thread::Thread::new::thread_start::ha4f1cdd9c25884ba
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   43:     0x7f65adb76b43 - <unknown>
[INFO] [stdout]   44:     0x7f65adc07bb4 - __clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     err::test
[INFO] [stdout]     options::fail
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 2 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p tests --bin tests`
[INFO] running `Command { std: "docker" "inspect" "1cf2191bc955045a829a99b2b3de4aef9266e65b83350259fc0c32c5f08d2b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf2191bc955045a829a99b2b3de4aef9266e65b83350259fc0c32c5f08d2b55", kill_on_drop: false }`
[INFO] [stdout] 1cf2191bc955045a829a99b2b3de4aef9266e65b83350259fc0c32c5f08d2b55
