[INFO] fetching crate bulls-and-cows 1.0.19...
[INFO] checking bulls-and-cows-1.0.19 against 1.55.0 for beta-1.56-3
[INFO] extracting crate bulls-and-cows 1.0.19 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate bulls-and-cows 1.0.19 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bulls-and-cows 1.0.19
[INFO] finished tweaking crates.io crate bulls-and-cows 1.0.19
[INFO] tweaked toml for crates.io crate bulls-and-cows 1.0.19 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate bulls-and-cows 1.0.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40e13320bd38ef2f38ba5d583fa5c838b5702a4896a8efc01d75da5dce4479ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "40e13320bd38ef2f38ba5d583fa5c838b5702a4896a8efc01d75da5dce4479ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40e13320bd38ef2f38ba5d583fa5c838b5702a4896a8efc01d75da5dce4479ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e13320bd38ef2f38ba5d583fa5c838b5702a4896a8efc01d75da5dce4479ad", kill_on_drop: false }`
[INFO] [stdout] 40e13320bd38ef2f38ba5d583fa5c838b5702a4896a8efc01d75da5dce4479ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3770efd205299d53fba1495d113b3d4cdc1f9da655b06c75a1b8a7499fe092c
[INFO] running `Command { std: "docker" "start" "-a" "b3770efd205299d53fba1495d113b3d4cdc1f9da655b06c75a1b8a7499fe092c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking debug-helper v0.3.12
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling random-number-macro-impl v0.1.5
[INFO] [stderr]     Checking random-number v0.1.6
[INFO] [stderr]     Checking random-pick v1.2.14
[INFO] [stderr]     Checking bulls-and-cows v1.0.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.49s
[INFO] running `Command { std: "docker" "inspect" "b3770efd205299d53fba1495d113b3d4cdc1f9da655b06c75a1b8a7499fe092c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3770efd205299d53fba1495d113b3d4cdc1f9da655b06c75a1b8a7499fe092c", kill_on_drop: false }`
[INFO] [stdout] b3770efd205299d53fba1495d113b3d4cdc1f9da655b06c75a1b8a7499fe092c
