[INFO] fetching crate bulls-and-cows 1.0.21...
[INFO] checking bulls-and-cows-1.0.21 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bulls-and-cows 1.0.21 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bulls-and-cows 1.0.21 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-1-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug-helper v0.3.13
[INFO] [stderr]   Downloaded random-number-macro-impl v0.1.7
[INFO] [stderr]   Downloaded random-pick v1.2.16
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded random-number v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afd58cd22192a49a2ec8ab8467a9437e9e0ad70398a2a0cfa7a826e71a368308
[INFO] running `Command { std: "docker" "start" "-a" "afd58cd22192a49a2ec8ab8467a9437e9e0ad70398a2a0cfa7a826e71a368308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afd58cd22192a49a2ec8ab8467a9437e9e0ad70398a2a0cfa7a826e71a368308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd58cd22192a49a2ec8ab8467a9437e9e0ad70398a2a0cfa7a826e71a368308", kill_on_drop: false }`
[INFO] [stdout] afd58cd22192a49a2ec8ab8467a9437e9e0ad70398a2a0cfa7a826e71a368308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2243f0112372ace830c261334b4015d2b5bc838b9405030736b9d1f82ff712f5
[INFO] running `Command { std: "docker" "start" "-a" "2243f0112372ace830c261334b4015d2b5bc838b9405030736b9d1f82ff712f5", 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]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking debug-helper v0.3.13
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking aho-corasick v1.0.5
[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 3.25s
[INFO] running `Command { std: "docker" "inspect" "2243f0112372ace830c261334b4015d2b5bc838b9405030736b9d1f82ff712f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2243f0112372ace830c261334b4015d2b5bc838b9405030736b9d1f82ff712f5", kill_on_drop: false }`
[INFO] [stdout] 2243f0112372ace830c261334b4015d2b5bc838b9405030736b9d1f82ff712f5
[INFO] checking bulls-and-cows-1.0.21 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bulls-and-cows 1.0.21 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate bulls-and-cows 1.0.21 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-1-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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3014de007c8964b69cd6f833b62bb4131ad11c513d26cdd875bc359e70dcf0b5
[INFO] running `Command { std: "docker" "start" "-a" "3014de007c8964b69cd6f833b62bb4131ad11c513d26cdd875bc359e70dcf0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3014de007c8964b69cd6f833b62bb4131ad11c513d26cdd875bc359e70dcf0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3014de007c8964b69cd6f833b62bb4131ad11c513d26cdd875bc359e70dcf0b5", kill_on_drop: false }`
[INFO] [stdout] 3014de007c8964b69cd6f833b62bb4131ad11c513d26cdd875bc359e70dcf0b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 055ebbc818e72343e4e3044452feae77e0b942581ce064c7819b6a64ebdae7d7
[INFO] running `Command { std: "docker" "start" "-a" "055ebbc818e72343e4e3044452feae77e0b942581ce064c7819b6a64ebdae7d7", 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]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking memchr v2.6.3
[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]     Checking aho-corasick v1.0.5
[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 4.59s
[INFO] running `Command { std: "docker" "inspect" "055ebbc818e72343e4e3044452feae77e0b942581ce064c7819b6a64ebdae7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055ebbc818e72343e4e3044452feae77e0b942581ce064c7819b6a64ebdae7d7", kill_on_drop: false }`
[INFO] [stdout] 055ebbc818e72343e4e3044452feae77e0b942581ce064c7819b6a64ebdae7d7
