[INFO] fetching crate bulls-and-cows 1.0.21...
[INFO] checking bulls-and-cows-1.0.21 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bulls-and-cows 1.0.21 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bulls-and-cows 1.0.21 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bulls-and-cows 1.0.21
[INFO] finished tweaking crates.io crate bulls-and-cows 1.0.21
[INFO] tweaked toml for crates.io crate bulls-and-cows 1.0.21 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate bulls-and-cows 1.0.21 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random-number-macro-impl v0.1.7
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded random-number v0.1.8
[INFO] [stderr]   Downloaded random-pick v1.2.16
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a638ee83a9041b5fa4b15c0ba6194f6016398b94776c85ed80e45f3bf9d10c3f
[INFO] running `Command { std: "docker" "start" "-a" "a638ee83a9041b5fa4b15c0ba6194f6016398b94776c85ed80e45f3bf9d10c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a638ee83a9041b5fa4b15c0ba6194f6016398b94776c85ed80e45f3bf9d10c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a638ee83a9041b5fa4b15c0ba6194f6016398b94776c85ed80e45f3bf9d10c3f", kill_on_drop: false }`
[INFO] [stdout] a638ee83a9041b5fa4b15c0ba6194f6016398b94776c85ed80e45f3bf9d10c3f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fee55473837cd5d5cfd27c60a6b2a504d42b1dd6d45d77ba9c5e952753a956f
[INFO] running `Command { std: "docker" "start" "-a" "0fee55473837cd5d5cfd27c60a6b2a504d42b1dd6d45d77ba9c5e952753a956f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking debug-helper v0.3.13
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.31
[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 regex-automata v0.3.8
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling random-number-macro-impl v0.1.7
[INFO] [stderr]     Checking random-number v0.1.8
[INFO] [stderr]     Checking random-pick v1.2.16
[INFO] [stderr]     Checking bulls-and-cows v1.0.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `random_pick` is imported redundantly
[INFO] [stdout]  --> src/play/players/computer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use random_pick;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `random_pick` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `random_pick` is imported redundantly
[INFO] [stdout]  --> src/play/players/computer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use random_pick;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `random_pick` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "0fee55473837cd5d5cfd27c60a6b2a504d42b1dd6d45d77ba9c5e952753a956f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fee55473837cd5d5cfd27c60a6b2a504d42b1dd6d45d77ba9c5e952753a956f", kill_on_drop: false }`
[INFO] [stdout] 0fee55473837cd5d5cfd27c60a6b2a504d42b1dd6d45d77ba9c5e952753a956f
[INFO] checking bulls-and-cows-1.0.21 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bulls-and-cows 1.0.21 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate bulls-and-cows 1.0.21 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bulls-and-cows 1.0.21
[INFO] finished tweaking crates.io crate bulls-and-cows 1.0.21
[INFO] tweaked toml for crates.io crate bulls-and-cows 1.0.21 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate bulls-and-cows 1.0.21 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d56b404a46af91c047e62cc7e533b45ebc85d186dc61c595257d0ea397958187
[INFO] running `Command { std: "docker" "start" "-a" "d56b404a46af91c047e62cc7e533b45ebc85d186dc61c595257d0ea397958187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d56b404a46af91c047e62cc7e533b45ebc85d186dc61c595257d0ea397958187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56b404a46af91c047e62cc7e533b45ebc85d186dc61c595257d0ea397958187", kill_on_drop: false }`
[INFO] [stdout] d56b404a46af91c047e62cc7e533b45ebc85d186dc61c595257d0ea397958187
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c4699eb26ee89993e729e3042076d940edc82a58392ecffe527140259a215bd
[INFO] running `Command { std: "docker" "start" "-a" "9c4699eb26ee89993e729e3042076d940edc82a58392ecffe527140259a215bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking debug-helper v0.3.13
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking getrandom v0.2.10
[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 regex-automata v0.3.8
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling random-number-macro-impl v0.1.7
[INFO] [stderr]     Checking random-number v0.1.8
[INFO] [stderr]     Checking random-pick v1.2.16
[INFO] [stderr]     Checking bulls-and-cows v1.0.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `random_pick` is imported redundantly
[INFO] [stdout]  --> src/play/players/computer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use random_pick;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `random_pick` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `random_pick` is imported redundantly
[INFO] [stdout]  --> src/play/players/computer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use random_pick;
[INFO] [stdout]   |     ^^^^^^^^^^^ the item `random_pick` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "9c4699eb26ee89993e729e3042076d940edc82a58392ecffe527140259a215bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4699eb26ee89993e729e3042076d940edc82a58392ecffe527140259a215bd", kill_on_drop: false }`
[INFO] [stdout] 9c4699eb26ee89993e729e3042076d940edc82a58392ecffe527140259a215bd
