[INFO] cloning repository https://github.com/corence/mastermind-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/corence/mastermind-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorence%2Fmastermind-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorence%2Fmastermind-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bd51128b52a6df411ea67719c32de7c859aa1fb
[INFO] testing corence/mastermind-solver against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorence%2Fmastermind-solver" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corence/mastermind-solver on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/corence/mastermind-solver
[INFO] finished tweaking git repo https://github.com/corence/mastermind-solver
[INFO] tweaked toml for git repo https://github.com/corence/mastermind-solver written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/corence/mastermind-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9178882d71947cc9deb64bca812dfa95bfa1d0739cfe6843e3def939e8abd9f
[INFO] running `Command { std: "docker" "start" "-a" "f9178882d71947cc9deb64bca812dfa95bfa1d0739cfe6843e3def939e8abd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9178882d71947cc9deb64bca812dfa95bfa1d0739cfe6843e3def939e8abd9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9178882d71947cc9deb64bca812dfa95bfa1d0739cfe6843e3def939e8abd9f", kill_on_drop: false }`
[INFO] [stdout] f9178882d71947cc9deb64bca812dfa95bfa1d0739cfe6843e3def939e8abd9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf3e4695a1722d67bed02bf278b2ac65917326d0096354dfd349e7d951497e6e
[INFO] running `Command { std: "docker" "start" "-a" "cf3e4695a1722d67bed02bf278b2ac65917326d0096354dfd349e7d951497e6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mastermind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `code`
[INFO] [stdout]   --> src/attempt.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn code(&self) -> Code {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "cf3e4695a1722d67bed02bf278b2ac65917326d0096354dfd349e7d951497e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3e4695a1722d67bed02bf278b2ac65917326d0096354dfd349e7d951497e6e", kill_on_drop: false }`
[INFO] [stdout] cf3e4695a1722d67bed02bf278b2ac65917326d0096354dfd349e7d951497e6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8867e29ab753784f0f7131fd92fb538dc5734fdb023d5c9673ca1e0b86330f63
[INFO] running `Command { std: "docker" "start" "-a" "8867e29ab753784f0f7131fd92fb538dc5734fdb023d5c9673ca1e0b86330f63", kill_on_drop: false }`
[INFO] [stderr]    Compiling mastermind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `code`
[INFO] [stdout]   --> src/attempt.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn code(&self) -> Code {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "8867e29ab753784f0f7131fd92fb538dc5734fdb023d5c9673ca1e0b86330f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8867e29ab753784f0f7131fd92fb538dc5734fdb023d5c9673ca1e0b86330f63", kill_on_drop: false }`
[INFO] [stdout] 8867e29ab753784f0f7131fd92fb538dc5734fdb023d5c9673ca1e0b86330f63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0502d97ee121707960bdfa2085ac5468be648f198aaaf32062e8327092b00ffd
[INFO] running `Command { std: "docker" "start" "-a" "0502d97ee121707960bdfa2085ac5468be648f198aaaf32062e8327092b00ffd", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `code`
[INFO] [stderr]   --> src/attempt.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn code(&self) -> Code {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mastermind` (bin "mastermind" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mastermind-889e5dc024a8757d)
[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" "0502d97ee121707960bdfa2085ac5468be648f198aaaf32062e8327092b00ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0502d97ee121707960bdfa2085ac5468be648f198aaaf32062e8327092b00ffd", kill_on_drop: false }`
[INFO] [stdout] 0502d97ee121707960bdfa2085ac5468be648f198aaaf32062e8327092b00ffd