[INFO] cloning repository https://github.com/RoskiDeluge/playaround
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RoskiDeluge/playaround" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoskiDeluge%2Fplayaround", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoskiDeluge%2Fplayaround'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c19d3614f606fad3fbc37de9c2236e590d8aa9d9
[INFO] testing RoskiDeluge/playaround/c19d3614f606fad3fbc37de9c2236e590d8aa9d9 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoskiDeluge%2Fplayaround" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RoskiDeluge/playaround
[INFO] finished tweaking git repo https://github.com/RoskiDeluge/playaround
[INFO] tweaked toml for git repo https://github.com/RoskiDeluge/playaround written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RoskiDeluge/playaround on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RoskiDeluge/playaround 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v1.7.2
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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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a38f3bc8b1a6727c1826838835df2bdcf3c5a2aaceea352999b80058b503d78
[INFO] running `Command { std: "docker" "start" "-a" "3a38f3bc8b1a6727c1826838835df2bdcf3c5a2aaceea352999b80058b503d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a38f3bc8b1a6727c1826838835df2bdcf3c5a2aaceea352999b80058b503d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a38f3bc8b1a6727c1826838835df2bdcf3c5a2aaceea352999b80058b503d78", kill_on_drop: false }`
[INFO] [stdout] 3a38f3bc8b1a6727c1826838835df2bdcf3c5a2aaceea352999b80058b503d78
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a1f8a989c070be80c75960fc40dd4cae94ac4bb833f89167f13a5c8342bd8a6
[INFO] running `Command { std: "docker" "start" "-a" "6a1f8a989c070be80c75960fc40dd4cae94ac4bb833f89167f13a5c8342bd8a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
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[INFO] [stderr]    Compiling ethers-signers v2.0.14
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[INFO] [stderr]    Compiling ethers-addressbook v2.0.14
[INFO] [stderr]    Compiling ethers-contract-derive v2.0.14
[INFO] [stderr]    Compiling ethers-contract v2.0.14
[INFO] [stderr]    Compiling ethers-middleware v2.0.14
[INFO] [stderr]    Compiling ethers v2.0.14
[INFO] [stderr]    Compiling playaround v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/m1_enums.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CarColor` is never used
[INFO] [stdout]  --> src/m1_enums.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum CarColor {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GivenResult` is never used
[INFO] [stdout]   --> src/m1_enums.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum GivenResult<T, E> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GivenOption` is never used
[INFO] [stdout]   --> src/m1_enums.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum GivenOption<T> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_car_color_red` is never used
[INFO] [stdout]   --> src/m1_enums.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn create_car_color_red() -> CarColor {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_under_five` is never used
[INFO] [stdout]   --> src/m1_enums.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn check_under_five(num_check: u8) -> GivenResult<u8, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_under_five_built_in` is never used
[INFO] [stdout]   --> src/m1_enums.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn check_under_five_built_in(num_check: u8) -> Result<u8, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remainder_zero` is never used
[INFO] [stdout]   --> src/m1_enums.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn remainder_zero(num_check: f32) -> GivenOption<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remainder_zero_built_in` is never used
[INFO] [stdout]   --> src/m1_enums.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn remainder_zero_built_in(num_check: f32) -> Option<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/m2_structs.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `increment_sign_in_count` and `change_email` are never used
[INFO] [stdout]   --> src/m2_structs.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl User {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 10 |     fn increment_sign_in_count(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn change_email(&mut self, new_email: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_username` is never used
[INFO] [stdout]   --> src/m2_structs.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn change_username(user: &mut User, new_username: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Attacker` is never used
[INFO] [stdout]  --> src/m3_traits.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Attacker {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Character` is never used
[INFO] [stdout]  --> src/m3_traits.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Character {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EthereumAddress` is never used
[INFO] [stdout]  --> src/m4_polymorphism.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait EthereumAddress {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_ethereum_data` is never used
[INFO] [stdout]   --> src/m4_polymorphism.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn get_ethereum_data<T: EthereumAddress>(address: T) -> Address {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> src/m6_patterns.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_message` is never used
[INFO] [stdout]   --> src/m6_patterns.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn process_message(msg: Message) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_async_call` is never used
[INFO] [stdout]  --> src/m7_async.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | async fn my_async_call(url: &str) -> Result<serde_json::Value, reqwest::Error> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 21s
[INFO] running `Command { std: "docker" "inspect" "6a1f8a989c070be80c75960fc40dd4cae94ac4bb833f89167f13a5c8342bd8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1f8a989c070be80c75960fc40dd4cae94ac4bb833f89167f13a5c8342bd8a6", kill_on_drop: false }`
[INFO] [stdout] 6a1f8a989c070be80c75960fc40dd4cae94ac4bb833f89167f13a5c8342bd8a6
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d163e1919bbe310f5732abc4ea05050870c21a58bd29f559bc9190e3b6ef60e
[INFO] running `Command { std: "docker" "start" "-a" "3d163e1919bbe310f5732abc4ea05050870c21a58bd29f559bc9190e3b6ef60e", kill_on_drop: false }`
[INFO] [stderr]    Compiling playaround v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/m1_enums.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_quit`
[INFO] [stdout]   --> src/m6_patterns.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let my_quit = Message::Quit;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_quit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_color`
[INFO] [stdout]   --> src/m6_patterns.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let my_color = Message::ChangeColor(10, 20, 255);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_move`
[INFO] [stdout]   --> src/m6_patterns.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let my_move = Message::Move { x: 10, y: 200 };
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_move`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `some_err`
[INFO] [stdout]   --> src/m6_patterns.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let some_err: Result<i32, &str> = Err("There was a problem");
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/m6_patterns.rs:120:24
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Location { x, y: 0 } => println!("Y is on the axis"),
[INFO] [stdout]     |                        ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/m6_patterns.rs:121:30
[INFO] [stdout]     |
[INFO] [stdout] 121 |             Location { x: 0, y } => println!("X is on the axis"),
[INFO] [stdout]     |                              ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/m6_patterns.rs:122:24
[INFO] [stdout]     |
[INFO] [stdout] 122 |             Location { x, y } => println!("X and Y are not the axis"),
[INFO] [stdout]     |                        ^ help: try ignoring the field: `x: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/m6_patterns.rs:122:27
[INFO] [stdout]     |
[INFO] [stdout] 122 |             Location { x, y } => println!("X and Y are not the axis"),
[INFO] [stdout]     |                           ^ help: try ignoring the field: `y: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Green`, `Blue`, and `Silver` are never constructed
[INFO] [stdout]  --> src/m1_enums.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum CarColor {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 5 |     Red,
[INFO] [stdout] 6 |     Green,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 7 |     Blue,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     Silver,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CarColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GivenResult` is never used
[INFO] [stdout]   --> src/m1_enums.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum GivenResult<T, E> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GivenOption` is never used
[INFO] [stdout]   --> src/m1_enums.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum GivenOption<T> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_under_five` is never used
[INFO] [stdout]   --> src/m1_enums.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn check_under_five(num_check: u8) -> GivenResult<u8, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remainder_zero` is never used
[INFO] [stdout]   --> src/m1_enums.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn remainder_zero(num_check: f32) -> GivenOption<f32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active` is never read
[INFO] [stdout]  --> src/m2_structs.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     active: bool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Warrior` and `Archer` are never constructed
[INFO] [stdout]  --> src/m3_traits.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Character {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 7 |     Warrior,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 8 |     Archer,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Character` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/m1_enums.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         dbg!(under_five_res);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let _ = dbg!(under_five_res);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "3d163e1919bbe310f5732abc4ea05050870c21a58bd29f559bc9190e3b6ef60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d163e1919bbe310f5732abc4ea05050870c21a58bd29f559bc9190e3b6ef60e", kill_on_drop: false }`
[INFO] [stdout] 3d163e1919bbe310f5732abc4ea05050870c21a58bd29f559bc9190e3b6ef60e
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87d451aaf795cbb74cc9d986bb546cb6ec97e166d01eb1a1f2696abb5264eda2
[INFO] running `Command { std: "docker" "start" "-a" "87d451aaf795cbb74cc9d986bb546cb6ec97e166d01eb1a1f2696abb5264eda2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]  --> src/m1_enums.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::num;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `my_quit`
[INFO] [stderr]   --> src/m6_patterns.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let my_quit = Message::Quit;
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_quit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `my_color`
[INFO] [stderr]   --> src/m6_patterns.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let my_color = Message::ChangeColor(10, 20, 255);
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `my_move`
[INFO] [stderr]   --> src/m6_patterns.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let my_move = Message::Move { x: 10, y: 200 };
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_move`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `some_err`
[INFO] [stderr]   --> src/m6_patterns.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |         let some_err: Result<i32, &str> = Err("There was a problem");
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/m6_patterns.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |             Location { x, y: 0 } => println!("Y is on the axis"),
[INFO] [stderr]     |                        ^ help: try ignoring the field: `x: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/m6_patterns.rs:121:30
[INFO] [stderr]     |
[INFO] [stderr] 121 |             Location { x: 0, y } => println!("X is on the axis"),
[INFO] [stderr]     |                              ^ help: try ignoring the field: `y: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/m6_patterns.rs:122:24
[INFO] [stderr]     |
[INFO] [stderr] 122 |             Location { x, y } => println!("X and Y are not the axis"),
[INFO] [stderr]     |                        ^ help: try ignoring the field: `x: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/m6_patterns.rs:122:27
[INFO] [stderr]     |
[INFO] [stderr] 122 |             Location { x, y } => println!("X and Y are not the axis"),
[INFO] [stderr]     |                           ^ help: try ignoring the field: `y: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Green`, `Blue`, and `Silver` are never constructed
[INFO] [stderr]  --> src/m1_enums.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum CarColor {
[INFO] [stderr]   |      -------- variants in this enum
[INFO] [stderr] 5 |     Red,
[INFO] [stderr] 6 |     Green,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 7 |     Blue,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 8 |     Silver,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `CarColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `GivenResult` is never used
[INFO] [stderr]   --> src/m1_enums.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 | enum GivenResult<T, E> {
[INFO] [stderr]    |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `GivenOption` is never used
[INFO] [stderr]   --> src/m1_enums.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 | enum GivenOption<T> {
[INFO] [stderr]    |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_under_five` is never used
[INFO] [stderr]   --> src/m1_enums.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn check_under_five(num_check: u8) -> GivenResult<u8, String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `remainder_zero` is never used
[INFO] [stderr]   --> src/m1_enums.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn remainder_zero(num_check: f32) -> GivenOption<f32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `active` is never read
[INFO] [stderr]  --> src/m2_structs.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct User {
[INFO] [stderr]   |        ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 6 |     active: bool,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Warrior` and `Archer` are never constructed
[INFO] [stderr]  --> src/m3_traits.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum Character {
[INFO] [stderr]   |      --------- variants in this enum
[INFO] [stderr] 7 |     Warrior,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 8 |     Archer,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Character` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/m1_enums.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         dbg!(under_five_res);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let _ = dbg!(under_five_res);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `playaround` (bin "playaround" test) generated 17 warnings (run `cargo fix --bin "playaround" -p playaround --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/playaround-a372c71877ccecb4)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test m1_enums::test::tests_enums ... ok
[INFO] [stdout] test m4_polymorphism::test::tests_poly ... ok
[INFO] [stdout] test m6_patterns::test::tests_large_enum ... ok
[INFO] [stdout] test m6_patterns::test::tests_match_guard ... ok
[INFO] [stdout] test m2_structs::test::tests_structs ... ok
[INFO] [stdout] test m6_patterns::test::tests_match_literals ... ok
[INFO] [stdout] test m6_patterns::test::tests_match_options ... ok
[INFO] [stdout] test m6_patterns::test::tests_match_result ... ok
[INFO] [stdout] test m3_traits::test::tests_traits ... ok
[INFO] [stdout] test m6_patterns::test::tests_match_struct ... ok
[INFO] [stdout] test m7_async::tests::tests_calls_async_fn ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- m7_async::tests::tests_calls_async_fn stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'm7_async::tests::tests_calls_async_fn' (28) panicked at src/m7_async.rs:19:17:
[INFO] [stdout] Failed to make request
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x648f2f45058a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x648f2f45058a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x648f2f45058a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x648f2f45058a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x648f2f46703a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x648f2f46703a - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x648f2f455502 - std[29689e6404d28ef9]::io::default_write_fmt::<alloc[9d7caffeb3b5d2c6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x648f2f455502 - <alloc[9d7caffeb3b5d2c6]::vec::Vec<u8> as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x648f2f42e67f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x648f2f42e67f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x648f2f4484c9 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x648f2f298eec - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x648f2f298eec - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x648f2f448742 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x648f2f448742 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x648f2f42e76a - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x648f2f423689 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x648f2f42f6ad - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x648f2f4677fc - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x648f2f057ab3 - playaround[8c3b300174b42331]::m7_async::tests::tests_calls_async_fn::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/m7_async.rs:19:17
[INFO] [stdout]   20:     0x648f2f05b5c2 - <core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>> as core[e929cb53b82a81ca]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/future/future.rs:133:9
[INFO] [stdout]   21:     0x648f2f05b63d - <core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>> as core[e929cb53b82a81ca]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/future/future.rs:133:9
[INFO] [stdout]   22:     0x648f2f06119d - <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/scheduler/current_thread/mod.rs:696:73
[INFO] [stdout]   23:     0x648f2f06109b - tokio[e136b0611925812e]::runtime::coop::with_budget::<core[e929cb53b82a81ca]::task::poll::Poll<()>, <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/coop.rs:107:5
[INFO] [stdout]   24:     0x648f2f06109b - tokio[e136b0611925812e]::runtime::coop::budget::<core[e929cb53b82a81ca]::task::poll::Poll<()>, <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/coop.rs:73:5
[INFO] [stdout]   25:     0x648f2f06109b - <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/scheduler/current_thread/mod.rs:696:25
[INFO] [stdout]   26:     0x648f2f05ce30 - <tokio[e136b0611925812e]::runtime::scheduler::current_thread::Context>::enter::<core[e929cb53b82a81ca]::task::poll::Poll<()>, <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/scheduler/current_thread/mod.rs:423:19
[INFO] [stdout]   27:     0x648f2f060370 - <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/scheduler/current_thread/mod.rs:695:44
[INFO] [stdout]   28:     0x648f2f05f654 - <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}, core[e929cb53b82a81ca]::option::Option<()>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/scheduler/current_thread/mod.rs:774:68
[INFO] [stdout]   29:     0x648f2f05c36b - <tokio[e136b0611925812e]::runtime::context::scoped::Scoped<tokio[e136b0611925812e]::runtime::scheduler::Context>>::set::<<tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}, core[e929cb53b82a81ca]::option::Option<()>>::{closure#0}, (alloc[9d7caffeb3b5d2c6]::boxed::Box<tokio[e136b0611925812e]::runtime::scheduler::current_thread::Core>, core[e929cb53b82a81ca]::option::Option<()>)>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   30:     0x648f2f0568a9 - tokio[e136b0611925812e]::runtime::context::set_scheduler::<(alloc[9d7caffeb3b5d2c6]::boxed::Box<tokio[e136b0611925812e]::runtime::scheduler::current_thread::Core>, core[e929cb53b82a81ca]::option::Option<()>), <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}, core[e929cb53b82a81ca]::option::Option<()>>::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/context.rs:180:38
[INFO] [stdout]   31:     0x648f2f052082 - <std[29689e6404d28ef9]::thread::local::LocalKey<tokio[e136b0611925812e]::runtime::context::Context>>::try_with::<tokio[e136b0611925812e]::runtime::context::set_scheduler<(alloc[9d7caffeb3b5d2c6]::boxed::Box<tokio[e136b0611925812e]::runtime::scheduler::current_thread::Core>, core[e929cb53b82a81ca]::option::Option<()>), <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}, core[e929cb53b82a81ca]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[9d7caffeb3b5d2c6]::boxed::Box<tokio[e136b0611925812e]::runtime::scheduler::current_thread::Core>, core[e929cb53b82a81ca]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/local.rs:462:12
[INFO] [stdout]   32:     0x648f2f051c0e - <std[29689e6404d28ef9]::thread::local::LocalKey<tokio[e136b0611925812e]::runtime::context::Context>>::with::<tokio[e136b0611925812e]::runtime::context::set_scheduler<(alloc[9d7caffeb3b5d2c6]::boxed::Box<tokio[e136b0611925812e]::runtime::scheduler::current_thread::Core>, core[e929cb53b82a81ca]::option::Option<()>), <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}, core[e929cb53b82a81ca]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[9d7caffeb3b5d2c6]::boxed::Box<tokio[e136b0611925812e]::runtime::scheduler::current_thread::Core>, core[e929cb53b82a81ca]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/local.rs:426:20
[INFO] [stdout]   33:     0x648f2f05507d - tokio[e136b0611925812e]::runtime::context::set_scheduler::<(alloc[9d7caffeb3b5d2c6]::boxed::Box<tokio[e136b0611925812e]::runtime::scheduler::current_thread::Core>, core[e929cb53b82a81ca]::option::Option<()>), <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}, core[e929cb53b82a81ca]::option::Option<()>>::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/context.rs:180:17
[INFO] [stdout]   34:     0x648f2f05ded0 - <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>::{closure#0}, core[e929cb53b82a81ca]::option::Option<()>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/scheduler/current_thread/mod.rs:774:27
[INFO] [stdout]   35:     0x648f2f05e1c6 - <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/scheduler/current_thread/mod.rs:683:24
[INFO] [stdout]   36:     0x648f2f05f1f3 - <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/scheduler/current_thread/mod.rs:191:33
[INFO] [stdout]   37:     0x648f2f055683 - tokio[e136b0611925812e]::runtime::context::runtime::enter_runtime::<<tokio[e136b0611925812e]::runtime::scheduler::current_thread::CurrentThread>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>::{closure#0}, ()>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   38:     0x648f2f05c751 - <tokio[e136b0611925812e]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/scheduler/current_thread/mod.rs:179:9
[INFO] [stdout]   39:     0x648f2f05194a - <tokio[e136b0611925812e]::runtime::runtime::Runtime>::block_on_inner::<core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/runtime.rs:361:52
[INFO] [stdout]   40:     0x648f2f051a35 - <tokio[e136b0611925812e]::runtime::runtime::Runtime>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut dyn core[e929cb53b82a81ca]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.40.0/src/runtime/runtime.rs:335:18
[INFO] [stdout]   41:     0x648f2f05a1e1 - playaround[8c3b300174b42331]::m7_async::tests::tests_calls_async_fn
[INFO] [stdout]                                at /opt/rustwide/workdir/src/m7_async.rs:21:10
[INFO] [stdout]   42:     0x648f2f0576a7 - playaround[8c3b300174b42331]::m7_async::tests::tests_calls_async_fn::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/m7_async.rs:11:36
[INFO] [stdout]   43:     0x648f2f05be36 - <playaround[8c3b300174b42331]::m7_async::tests::tests_calls_async_fn::{closure#0} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x648f2f28c1cb - <fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45:     0x648f2f28c1cb - test[a24b3028667022f7]::__rust_begin_short_backtrace::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   46:     0x648f2f2999bb - test[a24b3028667022f7]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]   47:     0x648f2f2999bb - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   48:     0x648f2f2999bb - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   49:     0x648f2f2999bb - std[29689e6404d28ef9]::panicking::catch_unwind::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   50:     0x648f2f2999bb - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   51:     0x648f2f2999bb - test[a24b3028667022f7]::run_test_in_process
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]   52:     0x648f2f2999bb - test[a24b3028667022f7]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   53:     0x648f2f2930d4 - test[a24b3028667022f7]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]   54:     0x648f2f2930d4 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<test[a24b3028667022f7]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   55:     0x648f2f29c5c2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   56:     0x648f2f29c5c2 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   57:     0x648f2f29c5c2 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   58:     0x648f2f29c5c2 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   59:     0x648f2f29c5c2 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   60:     0x648f2f29c5c2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   61:     0x648f2f29c5c2 - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   62:     0x648f2f44fc9f - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   63:     0x648f2f44fc9f - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   64:     0x7a94c344faa4 - <unknown>
[INFO] [stdout]   65:     0x7a94c34dca64 - clone
[INFO] [stdout]   66:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     m7_async::tests::tests_calls_async_fn
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin playaround`
[INFO] running `Command { std: "docker" "inspect" "87d451aaf795cbb74cc9d986bb546cb6ec97e166d01eb1a1f2696abb5264eda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d451aaf795cbb74cc9d986bb546cb6ec97e166d01eb1a1f2696abb5264eda2", kill_on_drop: false }`
[INFO] [stdout] 87d451aaf795cbb74cc9d986bb546cb6ec97e166d01eb1a1f2696abb5264eda2
