[INFO] cloning repository https://github.com/Masterchef365/wordle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Masterchef365/wordle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fwordle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fwordle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5e838b934dbaab0de6d1de7010754a3d429fdeb
[INFO] testing Masterchef365/wordle against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fwordle" "/workspace/builds/worker-80/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-80/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Masterchef365/wordle on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Masterchef365/wordle
[INFO] finished tweaking git repo https://github.com/Masterchef365/wordle
[INFO] tweaked toml for git repo https://github.com/Masterchef365/wordle written to /workspace/builds/worker-80/source/Cargo.toml
[INFO] crate git repo https://github.com/Masterchef365/wordle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44accbdbf13d48075f38c9adb573a845c0cc293bbdbc1b4865f1d9cc0befa1ee
[INFO] running `Command { std: "docker" "start" "-a" "44accbdbf13d48075f38c9adb573a845c0cc293bbdbc1b4865f1d9cc0befa1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44accbdbf13d48075f38c9adb573a845c0cc293bbdbc1b4865f1d9cc0befa1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44accbdbf13d48075f38c9adb573a845c0cc293bbdbc1b4865f1d9cc0befa1ee", kill_on_drop: false }`
[INFO] [stdout] 44accbdbf13d48075f38c9adb573a845c0cc293bbdbc1b4865f1d9cc0befa1ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e1940f946bf0966383ab2925701702c441a5fd0a8fab77bd7b1c3c0e45e31cd
[INFO] running `Command { std: "docker" "start" "-a" "6e1940f946bf0966383ab2925701702c441a5fd0a8fab77bd7b1c3c0e45e31cd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling wordle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "6e1940f946bf0966383ab2925701702c441a5fd0a8fab77bd7b1c3c0e45e31cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e1940f946bf0966383ab2925701702c441a5fd0a8fab77bd7b1c3c0e45e31cd", kill_on_drop: false }`
[INFO] [stdout] 6e1940f946bf0966383ab2925701702c441a5fd0a8fab77bd7b1c3c0e45e31cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae7ec33937e91a01ba698c07f7b88f6dedcc24e63c5a57be1751c847f08192d5
[INFO] running `Command { std: "docker" "start" "-a" "ae7ec33937e91a01ba698c07f7b88f6dedcc24e63c5a57be1751c847f08192d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wordle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let mut attempt = |game: &mut Game, s: &str| game.attempt(str_to_word(s).unwrap());
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/wordle-95eade11d7bd14f4)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   Executable unittests src/bin/play_self.rs (/opt/rustwide/target/debug/deps/play_self-eeebcf82d7d78113)
[INFO] [stderr]   Executable unittests src/bin/solver.rs (/opt/rustwide/target/debug/deps/solver-5641e7e95357e05b)
[INFO] running `Command { std: "docker" "inspect" "ae7ec33937e91a01ba698c07f7b88f6dedcc24e63c5a57be1751c847f08192d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7ec33937e91a01ba698c07f7b88f6dedcc24e63c5a57be1751c847f08192d5", kill_on_drop: false }`
[INFO] [stdout] ae7ec33937e91a01ba698c07f7b88f6dedcc24e63c5a57be1751c847f08192d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a13772d359041febc340465dab706a9cee625b0b7d0cee200bcdce6ea9aab780
[INFO] running `Command { std: "docker" "start" "-a" "a13772d359041febc340465dab706a9cee625b0b7d0cee200bcdce6ea9aab780", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let mut attempt = |game: &mut Game, s: &str| game.attempt(str_to_word(s).unwrap());
[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: `wordle` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wordle-95eade11d7bd14f4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/play_self.rs (/opt/rustwide/target/debug/deps/play_self-eeebcf82d7d78113)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_game ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/solver.rs (/opt/rustwide/target/debug/deps/solver-5641e7e95357e05b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests wordle
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [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" "a13772d359041febc340465dab706a9cee625b0b7d0cee200bcdce6ea9aab780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13772d359041febc340465dab706a9cee625b0b7d0cee200bcdce6ea9aab780", kill_on_drop: false }`
[INFO] [stdout] a13772d359041febc340465dab706a9cee625b0b7d0cee200bcdce6ea9aab780