[INFO] cloning repository https://github.com/tipstar0125/Heuristic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tipstar0125/Heuristic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftipstar0125%2FHeuristic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftipstar0125%2FHeuristic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b46a5473007f2e8eed07833406a1f11455629ec6
[INFO] testing tipstar0125/Heuristic against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftipstar0125%2FHeuristic" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tipstar0125/Heuristic
[INFO] finished tweaking git repo https://github.com/tipstar0125/Heuristic
[INFO] tweaked toml for git repo https://github.com/tipstar0125/Heuristic written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tipstar0125/Heuristic on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tipstar0125/Heuristic 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing tipstar0125/Heuristic against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftipstar0125%2FHeuristic" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tipstar0125/Heuristic
[INFO] finished tweaking git repo https://github.com/tipstar0125/Heuristic
[INFO] tweaked toml for git repo https://github.com/tipstar0125/Heuristic written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tipstar0125/Heuristic on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tipstar0125/Heuristic 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_mut_scan v0.3.0
[INFO] [stderr]   Downloaded varisat-internal-macros v0.2.2
[INFO] [stderr]   Downloaded varisat-dimacs v0.2.2
[INFO] [stderr]   Downloaded varisat-formula v0.2.2
[INFO] [stderr]   Downloaded multiversion-macros v0.7.3
[INFO] [stderr]   Downloaded varisat-checker v0.2.2
[INFO] [stderr]   Downloaded varisat-internal-proof v0.2.2
[INFO] [stderr]   Downloaded text_io v0.1.12
[INFO] [stderr]   Downloaded counter v0.5.7
[INFO] [stderr]   Downloaded recur-fn v2.2.0
[INFO] [stderr]   Downloaded varisat v0.2.2
[INFO] [stderr]   Downloaded amplify_derive v2.11.3
[INFO] [stderr]   Downloaded amplify_syn v1.1.6
[INFO] [stderr]   Downloaded multiversion v0.7.2
[INFO] [stderr]   Downloaded easy-ext v1.0.1
[INFO] [stderr]   Downloaded indexing v0.4.1
[INFO] [stderr]   Downloaded ac-library-rs v0.1.1
[INFO] [stderr]   Downloaded bytemuck v1.14.3
[INFO] [stderr]   Downloaded wide v0.7.15
[INFO] [stderr]   Downloaded amplify v3.14.2
[INFO] [stderr]   Downloaded num-derive v0.4.0
[INFO] [stderr]   Downloaded syn v2.0.52
[INFO] [stderr]   Downloaded bumpalo v3.15.3
[INFO] [stderr]   Downloaded pathfinding v4.3.0
[INFO] [stderr]   Downloaded ordered-float v3.7.0
[INFO] [stderr]   Downloaded proconio v0.4.5
[INFO] [stderr]   Downloaded glidesort v0.1.2
[INFO] [stderr]   Downloaded im-rc v15.1.0
[INFO] [stderr]   Downloaded hashbag v0.1.11
[INFO] [stderr]   Downloaded num v0.4.1
[INFO] [stderr]   Downloaded partial_ref v0.3.3
[INFO] [stderr]   Downloaded bstr v1.6.0
[INFO] [stderr]   Downloaded omniswap v0.1.0
[INFO] [stderr]   Downloaded amplify_num v0.4.1
[INFO] [stderr]   Downloaded btreemultimap v0.1.1
[INFO] [stderr]   Downloaded multimap v0.9.0
[INFO] [stderr]   Downloaded target-features v0.1.5
[INFO] [stderr]   Downloaded rand_hc v0.3.2
[INFO] [stderr]   Downloaded regex-automata v0.3.7
[INFO] [stderr]   Downloaded partial_ref_derive v0.3.3
[INFO] [stderr]   Downloaded argio-macro v0.2.0
[INFO] [stderr]   Downloaded argio v0.2.0
[INFO] [stderr]   Downloaded memoise v0.3.2
[INFO] [stderr]   Downloaded proconio-derive v0.2.1
[INFO] [stderr]   Downloaded anyhow v1.0.80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60d1f84dfd403da00ff184bc46766c1ffaa042fe0b6cf263dd2b8836cc7cebf4
[INFO] running `Command { std: "docker" "start" "-a" "60d1f84dfd403da00ff184bc46766c1ffaa042fe0b6cf263dd2b8836cc7cebf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60d1f84dfd403da00ff184bc46766c1ffaa042fe0b6cf263dd2b8836cc7cebf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d1f84dfd403da00ff184bc46766c1ffaa042fe0b6cf263dd2b8836cc7cebf4", kill_on_drop: false }`
[INFO] [stdout] 60d1f84dfd403da00ff184bc46766c1ffaa042fe0b6cf263dd2b8836cc7cebf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 803bd1543b3f76fa30dc874fc7ca851700fb28c6c6a5e565a96a8b20c37ef292
[INFO] running `Command { std: "docker" "start" "-a" "803bd1543b3f76fa30dc874fc7ca851700fb28c6c6a5e565a96a8b20c37ef292", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling target-features v0.1.5
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling varisat-formula v0.2.2
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling safe_arch v0.7.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling regex-automata v0.3.7
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling wide v0.7.15
[INFO] [stderr]    Compiling varisat-internal-proof v0.2.2
[INFO] [stderr]    Compiling varisat v0.2.2
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling amplify_syn v1.1.6
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling vec_mut_scan v0.3.0
[INFO] [stderr]    Compiling amplify_num v0.4.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling varisat-dimacs v0.2.2
[INFO] [stderr]    Compiling pathfinding v4.3.0
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling num-derive v0.4.0
[INFO] [stderr]    Compiling partial_ref_derive v0.3.3
[INFO] [stderr]    Compiling proconio-derive v0.2.1
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]    Compiling partial_ref v0.3.3
[INFO] [stderr]    Compiling amplify_derive v2.11.3
[INFO] [stderr]    Compiling varisat-checker v0.2.2
[INFO] [stderr]    Compiling proconio v0.4.5
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]    Compiling argio-macro v0.2.0
[INFO] [stderr]    Compiling multiversion-macros v0.7.3
[INFO] [stderr]    Compiling memoise v0.3.2
[INFO] [stderr]    Compiling argio v0.2.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling bstr v1.6.0
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling amplify v3.14.2
[INFO] [stderr]    Compiling multiversion v0.7.2
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling nalgebra v0.32.3
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling rand_hc v0.3.2
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling ordered-float v3.7.0
[INFO] [stderr]    Compiling counter v0.5.7
[INFO] [stderr]    Compiling text_io v0.1.12
[INFO] [stderr]    Compiling bitset-fixed v0.1.0
[INFO] [stderr]    Compiling ac-library-rs v0.1.1
[INFO] [stderr]    Compiling glidesort v0.1.2
[INFO] [stderr]    Compiling recur-fn v2.2.0
[INFO] [stderr]    Compiling omniswap v0.1.0
[INFO] [stderr]    Compiling hashbag v0.1.11
[INFO] [stderr]    Compiling indexing v0.4.1
[INFO] [stderr]    Compiling easy-ext v1.0.1
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling multimap v0.9.0
[INFO] [stderr]    Compiling btreemultimap v0.1.1
[INFO] [stderr]    Compiling ahc030 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `time_keeper`
[INFO] [stdout]   --> src/bin/a.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let time_keeper = TimeKeeper::new(time_limit);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_keeper`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.40s
[INFO] running `Command { std: "docker" "inspect" "803bd1543b3f76fa30dc874fc7ca851700fb28c6c6a5e565a96a8b20c37ef292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803bd1543b3f76fa30dc874fc7ca851700fb28c6c6a5e565a96a8b20c37ef292", kill_on_drop: false }`
[INFO] [stdout] 803bd1543b3f76fa30dc874fc7ca851700fb28c6c6a5e565a96a8b20c37ef292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 972bb68df4b0c0a07cc5aa64ff91328e6ac66fdad570768710f720f126865a2e
[INFO] running `Command { std: "docker" "start" "-a" "972bb68df4b0c0a07cc5aa64ff91328e6ac66fdad570768710f720f126865a2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahc030 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `time_keeper`
[INFO] [stdout]   --> src/bin/a.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let time_keeper = TimeKeeper::new(time_limit);
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_keeper`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "972bb68df4b0c0a07cc5aa64ff91328e6ac66fdad570768710f720f126865a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972bb68df4b0c0a07cc5aa64ff91328e6ac66fdad570768710f720f126865a2e", kill_on_drop: false }`
[INFO] [stdout] 972bb68df4b0c0a07cc5aa64ff91328e6ac66fdad570768710f720f126865a2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fde0d02e94cdf78632ca55763db8d9b89c3f91b79fb5ba885ec3eb93a50553b2
[INFO] running `Command { std: "docker" "start" "-a" "fde0d02e94cdf78632ca55763db8d9b89c3f91b79fb5ba885ec3eb93a50553b2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `time_keeper`
[INFO] [stderr]   --> src/bin/a.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let time_keeper = TimeKeeper::new(time_limit);
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_time_keeper`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ahc030` (bin "a" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/bin/a.rs (/opt/rustwide/target/debug/deps/a-0f7656ad62f0366f)
[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/bin/tessoku-book-a49-beam-diff-update.rs (/opt/rustwide/target/debug/deps/tessoku_book_a49_beam_diff_update-ad2271d0f0bf6a21)
[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/bin/tessoku-book-a49-beam-naive.rs (/opt/rustwide/target/debug/deps/tessoku_book_a49_beam_naive-18c7b695cc3b0b78)
[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" "fde0d02e94cdf78632ca55763db8d9b89c3f91b79fb5ba885ec3eb93a50553b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde0d02e94cdf78632ca55763db8d9b89c3f91b79fb5ba885ec3eb93a50553b2", kill_on_drop: false }`
[INFO] [stdout] fde0d02e94cdf78632ca55763db8d9b89c3f91b79fb5ba885ec3eb93a50553b2