[INFO] cloning repository https://github.com/Rasarex/hangman_hardest_word [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rasarex/hangman_hardest_word" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRasarex%2Fhangman_hardest_word", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRasarex%2Fhangman_hardest_word'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1bf971719b7eb6ef29a781915808e5dbb2f811ce [INFO] testing Rasarex/hangman_hardest_word against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRasarex%2Fhangman_hardest_word" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Rasarex/hangman_hardest_word on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Rasarex/hangman_hardest_word [INFO] finished tweaking git repo https://github.com/Rasarex/hangman_hardest_word [INFO] tweaked toml for git repo https://github.com/Rasarex/hangman_hardest_word written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/Rasarex/hangman_hardest_word already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cfd6c11f9a176d3c95634b0cf3f3ac0c971cbc3e84dd91db49e6f123310d705 [INFO] running `Command { std: "docker" "start" "-a" "4cfd6c11f9a176d3c95634b0cf3f3ac0c971cbc3e84dd91db49e6f123310d705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cfd6c11f9a176d3c95634b0cf3f3ac0c971cbc3e84dd91db49e6f123310d705", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cfd6c11f9a176d3c95634b0cf3f3ac0c971cbc3e84dd91db49e6f123310d705", kill_on_drop: false }` [INFO] [stdout] 4cfd6c11f9a176d3c95634b0cf3f3ac0c971cbc3e84dd91db49e6f123310d705 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b9aa546cedf58c044cb6028553288b3a651e008c27418f9968462f97284e3b5 [INFO] running `Command { std: "docker" "start" "-a" "9b9aa546cedf58c044cb6028553288b3a651e008c27418f9968462f97284e3b5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling hardest_word v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 87 | let mut sorted = freq.to_sorted_vec(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_static_slice` [INFO] [stdout] --> src/main.rs:261:4 [INFO] [stdout] | [INFO] [stdout] 261 | fn to_static_slice(vector : Vec) -> &'static [T]{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.75s [INFO] running `Command { std: "docker" "inspect" "9b9aa546cedf58c044cb6028553288b3a651e008c27418f9968462f97284e3b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b9aa546cedf58c044cb6028553288b3a651e008c27418f9968462f97284e3b5", kill_on_drop: false }` [INFO] [stdout] 9b9aa546cedf58c044cb6028553288b3a651e008c27418f9968462f97284e3b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 565d8d8e4ad32b0f5b1c23904e7911bee3039df7bf8c196925cdf28aa6054814 [INFO] running `Command { std: "docker" "start" "-a" "565d8d8e4ad32b0f5b1c23904e7911bee3039df7bf8c196925cdf28aa6054814", kill_on_drop: false }` [INFO] [stderr] Compiling hardest_word v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 87 | let mut sorted = freq.to_sorted_vec(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_static_slice` [INFO] [stdout] --> src/main.rs:261:4 [INFO] [stdout] | [INFO] [stdout] 261 | fn to_static_slice(vector : Vec) -> &'static [T]{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "565d8d8e4ad32b0f5b1c23904e7911bee3039df7bf8c196925cdf28aa6054814", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "565d8d8e4ad32b0f5b1c23904e7911bee3039df7bf8c196925cdf28aa6054814", kill_on_drop: false }` [INFO] [stdout] 565d8d8e4ad32b0f5b1c23904e7911bee3039df7bf8c196925cdf28aa6054814 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6f3289fa7b5cc1f1314b48db29a0c17648988b7446659ca3b9e12807c463684f [INFO] running `Command { std: "docker" "start" "-a" "6f3289fa7b5cc1f1314b48db29a0c17648988b7446659ca3b9e12807c463684f", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:87:17 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 87 | let mut sorted = freq.to_sorted_vec(); [INFO] [stdout] [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `to_static_slice` [INFO] [stderr] --> src/main.rs:261:4 [INFO] [stderr] | [INFO] [stderr] 261 | fn to_static_slice(vector : Vec) -> &'static [T]{ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hardest_word-ebd24407c3465bd8) [INFO] running `Command { std: "docker" "inspect" "6f3289fa7b5cc1f1314b48db29a0c17648988b7446659ca3b9e12807c463684f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f3289fa7b5cc1f1314b48db29a0c17648988b7446659ca3b9e12807c463684f", kill_on_drop: false }` [INFO] [stdout] 6f3289fa7b5cc1f1314b48db29a0c17648988b7446659ca3b9e12807c463684f