[INFO] fetching crate holder 0.14.0...
[INFO] testing holder-0.14.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate holder 0.14.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate holder 0.14.0
[INFO] finished tweaking crates.io crate holder 0.14.0
[INFO] tweaked toml for crates.io crate holder 0.14.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate holder 0.14.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded holder_derive v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41f01829220f4e926b45e420342be7cb1c1254de084b7d1487324fc8c9747597
[INFO] running `Command { std: "docker" "start" "-a" "41f01829220f4e926b45e420342be7cb1c1254de084b7d1487324fc8c9747597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41f01829220f4e926b45e420342be7cb1c1254de084b7d1487324fc8c9747597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f01829220f4e926b45e420342be7cb1c1254de084b7d1487324fc8c9747597", kill_on_drop: false }`
[INFO] [stdout] 41f01829220f4e926b45e420342be7cb1c1254de084b7d1487324fc8c9747597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea6d61292eca87c2b932f02dda6ad2275f1d2ae264d143370e9c9d520cccf288
[INFO] running `Command { std: "docker" "start" "-a" "ea6d61292eca87c2b932f02dda6ad2275f1d2ae264d143370e9c9d520cccf288", kill_on_drop: false }`
[INFO] [stderr]    Compiling holder_derive v0.14.0
[INFO] [stderr]    Compiling holder v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "ea6d61292eca87c2b932f02dda6ad2275f1d2ae264d143370e9c9d520cccf288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6d61292eca87c2b932f02dda6ad2275f1d2ae264d143370e9c9d520cccf288", kill_on_drop: false }`
[INFO] [stdout] ea6d61292eca87c2b932f02dda6ad2275f1d2ae264d143370e9c9d520cccf288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40bb60cf6e44a49ae5c811e3569c9833405eea70d772cc7e97d374a1a0bca3c1
[INFO] running `Command { std: "docker" "start" "-a" "40bb60cf6e44a49ae5c811e3569c9833405eea70d772cc7e97d374a1a0bca3c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling holder v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> tests/test2.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let token: &mut Token<i32> = wrapper.token_mut();
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> tests/test2.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let token: &Token<i32> = wrapper.token();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state`
[INFO] [stdout]   --> tests/test2.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let game_state: &GameState = wrapper.game_state();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state_mut`
[INFO] [stdout]   --> tests/test2.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let game_state_mut: &mut GameState = wrapper.game_state_mut();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state_mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Play` is never constructed
[INFO] [stdout]   --> tests/test2.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | enum GameState {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 63 |     Idle,
[INFO] [stdout] 64 |     Play,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]  --> tests/test2.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let token: &mut Token<i32> = wrapper.token_mut();
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> tests/test2.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let token: &Token<i32> = wrapper.token();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state`
[INFO] [stdout]   --> tests/test2.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let game_state: &GameState = wrapper.game_state();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state_mut`
[INFO] [stdout]   --> tests/test2.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let game_state_mut: &mut GameState = wrapper.game_state_mut();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state_mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> tests/test.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let token: &mut Token<i32> = wrapper.token_mut();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> tests/test.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let token: &Token<i32> = wrapper.token();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state`
[INFO] [stdout]   --> tests/test.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let game_state: &GameState = wrapper.game_state();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state_mut`
[INFO] [stdout]   --> tests/test.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let game_state_mut: &mut GameState = wrapper.game_state_mut();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state_mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Play` is never constructed
[INFO] [stdout]   --> tests/test.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum GameState {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 38 |     Idle,
[INFO] [stdout] 39 |     Play,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> tests/test2.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wrapper` is never constructed
[INFO] [stdout]   --> tests/test2.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Wrapper<T: Default>
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> tests/test2.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Token<T: Default>(PhantomData<T>)
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TokenHolder` is never used
[INFO] [stdout]   --> tests/test2.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | trait TokenHolder<T: Default>
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GameState` is never used
[INFO] [stdout]   --> tests/test2.rs:62:6
[INFO] [stdout]    |
[INFO] [stdout] 62 | enum GameState {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GameStateHolder` is never used
[INFO] [stdout]   --> tests/test2.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | trait GameStateHolder {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "40bb60cf6e44a49ae5c811e3569c9833405eea70d772cc7e97d374a1a0bca3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bb60cf6e44a49ae5c811e3569c9833405eea70d772cc7e97d374a1a0bca3c1", kill_on_drop: false }`
[INFO] [stdout] 40bb60cf6e44a49ae5c811e3569c9833405eea70d772cc7e97d374a1a0bca3c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e73ff7bf5c052371587d3bc390c5f8ba81893afe1c167f8a5de34968cb3e67a
[INFO] running `Command { std: "docker" "start" "-a" "8e73ff7bf5c052371587d3bc390c5f8ba81893afe1c167f8a5de34968cb3e67a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]  --> tests/test2.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let token: &mut Token<i32> = wrapper.token_mut();
[INFO] [stderr]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> tests/test2.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let token: &Token<i32> = wrapper.token();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `game_state`
[INFO] [stderr]   --> tests/test2.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let game_state: &GameState = wrapper.game_state();
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `game_state_mut`
[INFO] [stderr]   --> tests/test2.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let game_state_mut: &mut GameState = wrapper.game_state_mut();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state_mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Play` is never constructed
[INFO] [stderr]   --> tests/test2.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 62 | enum GameState {
[INFO] [stderr]    |      --------- variant in this enum
[INFO] [stderr] 63 |     Idle,
[INFO] [stderr] 64 |     Play,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `holder` (test "test2") generated 5 warnings
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> tests/test.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let token: &mut Token<i32> = wrapper.token_mut();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]   --> tests/test.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let token: &Token<i32> = wrapper.token();
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `game_state`
[INFO] [stderr]   --> tests/test.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let game_state: &GameState = wrapper.game_state();
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `game_state_mut`
[INFO] [stderr]   --> tests/test.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let game_state_mut: &mut GameState = wrapper.game_state_mut();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state_mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Play` is never constructed
[INFO] [stderr]   --> tests/test.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | enum GameState {
[INFO] [stderr]    |      --------- variant in this enum
[INFO] [stderr] 38 |     Idle,
[INFO] [stderr] 39 |     Play,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> tests/test2.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Wrapper` is never constructed
[INFO] [stderr]   --> tests/test2.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Wrapper<T: Default>
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Token` is never constructed
[INFO] [stderr]   --> tests/test2.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 | struct Token<T: Default>(PhantomData<T>)
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `TokenHolder` is never used
[INFO] [stderr]   --> tests/test2.rs:54:7
[INFO] [stderr]    |
[INFO] [stderr] 54 | trait TokenHolder<T: Default>
[INFO] [stderr]    |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `GameState` is never used
[INFO] [stderr]   --> tests/test2.rs:62:6
[INFO] [stderr]    |
[INFO] [stderr] 62 | enum GameState {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `GameStateHolder` is never used
[INFO] [stderr]   --> tests/test2.rs:67:7
[INFO] [stderr]    |
[INFO] [stderr] 67 | trait GameStateHolder {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `holder` (test "test") generated 15 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/holder-8720852040284b07)
[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 tests/test.rs (/opt/rustwide/target/debug/deps/test-37434773577939c5)
[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 tests/test2.rs (/opt/rustwide/target/debug/deps/test2-3428c89a95d646dd)
[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]    Doc-tests holder
[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] running `Command { std: "docker" "inspect" "8e73ff7bf5c052371587d3bc390c5f8ba81893afe1c167f8a5de34968cb3e67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e73ff7bf5c052371587d3bc390c5f8ba81893afe1c167f8a5de34968cb3e67a", kill_on_drop: false }`
[INFO] [stdout] 8e73ff7bf5c052371587d3bc390c5f8ba81893afe1c167f8a5de34968cb3e67a