[INFO] cloning repository https://github.com/shgabr/mastermind_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shgabr/mastermind_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshgabr%2Fmastermind_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshgabr%2Fmastermind_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98482298933b5667533f51319d286824185ff3b8
[INFO] checking shgabr/mastermind_rust against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshgabr%2Fmastermind_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shgabr/mastermind_rust on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shgabr/mastermind_rust
[INFO] finished tweaking git repo https://github.com/shgabr/mastermind_rust
[INFO] tweaked toml for git repo https://github.com/shgabr/mastermind_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shgabr/mastermind_rust 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f8b5ce012246c912cdd566343d211c29dff83b9a2a9e6fd99b034672ad5c606
[INFO] running `Command { std: "docker" "start" "-a" "0f8b5ce012246c912cdd566343d211c29dff83b9a2a9e6fd99b034672ad5c606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f8b5ce012246c912cdd566343d211c29dff83b9a2a9e6fd99b034672ad5c606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8b5ce012246c912cdd566343d211c29dff83b9a2a9e6fd99b034672ad5c606", kill_on_drop: false }`
[INFO] [stdout] 0f8b5ce012246c912cdd566343d211c29dff83b9a2a9e6fd99b034672ad5c606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b9df051f1e690750a3418eba6463317397c7f0228ce3fe7135bf18fbb94885d
[INFO] running `Command { std: "docker" "start" "-a" "3b9df051f1e690750a3418eba6463317397c7f0228ce3fe7135bf18fbb94885d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking mastermind_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::options::OPTIONS`
[INFO] [stdout]  --> src/game_rules/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::options::OPTIONS;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::hint::Hint`
[INFO] [stdout]  --> src/checker/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::hint::Hint;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::pattern::Pattern`
[INFO] [stdout]  --> src/checker/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::pattern::Pattern;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::options::OPTIONS`
[INFO] [stdout]  --> src/game_rules/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::options::OPTIONS;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::hint::Hint`
[INFO] [stdout]  --> src/checker/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::hint::Hint;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::pattern::Pattern`
[INFO] [stdout]  --> src/checker/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::pattern::Pattern;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "3b9df051f1e690750a3418eba6463317397c7f0228ce3fe7135bf18fbb94885d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9df051f1e690750a3418eba6463317397c7f0228ce3fe7135bf18fbb94885d", kill_on_drop: false }`
[INFO] [stdout] 3b9df051f1e690750a3418eba6463317397c7f0228ce3fe7135bf18fbb94885d
[INFO] checking shgabr/mastermind_rust against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshgabr%2Fmastermind_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shgabr/mastermind_rust on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shgabr/mastermind_rust
[INFO] finished tweaking git repo https://github.com/shgabr/mastermind_rust
[INFO] tweaked toml for git repo https://github.com/shgabr/mastermind_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shgabr/mastermind_rust 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7570344b31ff6b3ed7371689128045c63a45a612ca14370ca7e3d8028a175081
[INFO] running `Command { std: "docker" "start" "-a" "7570344b31ff6b3ed7371689128045c63a45a612ca14370ca7e3d8028a175081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7570344b31ff6b3ed7371689128045c63a45a612ca14370ca7e3d8028a175081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7570344b31ff6b3ed7371689128045c63a45a612ca14370ca7e3d8028a175081", kill_on_drop: false }`
[INFO] [stdout] 7570344b31ff6b3ed7371689128045c63a45a612ca14370ca7e3d8028a175081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae1c9367aac9312552e57a466b12ee19077dc13279a36c244fff7d091c19492
[INFO] running `Command { std: "docker" "start" "-a" "0ae1c9367aac9312552e57a466b12ee19077dc13279a36c244fff7d091c19492", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking mastermind_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::options::OPTIONS`
[INFO] [stdout]  --> src/game_rules/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::options::OPTIONS;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::hint::Hint`
[INFO] [stdout]  --> src/checker/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::hint::Hint;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::pattern::Pattern`
[INFO] [stdout]  --> src/checker/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::pattern::Pattern;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::options::OPTIONS`
[INFO] [stdout]  --> src/game_rules/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use self::options::OPTIONS;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::hint::Hint`
[INFO] [stdout]  --> src/checker/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::hint::Hint;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::pattern::Pattern`
[INFO] [stdout]  --> src/checker/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use self::pattern::Pattern;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "0ae1c9367aac9312552e57a466b12ee19077dc13279a36c244fff7d091c19492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae1c9367aac9312552e57a466b12ee19077dc13279a36c244fff7d091c19492", kill_on_drop: false }`
[INFO] [stdout] 0ae1c9367aac9312552e57a466b12ee19077dc13279a36c244fff7d091c19492