[INFO] fetching crate cargo-hack 0.5.8...
[INFO] checking cargo-hack-0.5.8 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cargo-hack 0.5.8 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cargo-hack 0.5.8 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 cargo-hack 0.5.8
[INFO] finished tweaking crates.io crate cargo-hack 0.5.8
[INFO] tweaked toml for crates.io crate cargo-hack 0.5.8 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate cargo-hack 0.5.8 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] warning: `rust-version` is not supported on this version of Cargo and will be ignored
[INFO] [stderr] 
[INFO] [stderr] this Cargo does not support nightly features, but if you
[INFO] [stderr] switch to nightly channel you can add
[INFO] [stderr] `cargo-features = ["rust-version"]` to enable this feature
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 90800d0ad19580daae01a96bb643f48324deb0a1a4464030aa5694354e1ca9db
[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" "90800d0ad19580daae01a96bb643f48324deb0a1a4464030aa5694354e1ca9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90800d0ad19580daae01a96bb643f48324deb0a1a4464030aa5694354e1ca9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90800d0ad19580daae01a96bb643f48324deb0a1a4464030aa5694354e1ca9db", kill_on_drop: false }`
[INFO] [stdout] 90800d0ad19580daae01a96bb643f48324deb0a1a4464030aa5694354e1ca9db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 52df8d0621920f9fccc6d02a81a3b5fcf1556d6d3fa508e917c34713cdd75e39
[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" "52df8d0621920f9fccc6d02a81a3b5fcf1556d6d3fa508e917c34713cdd75e39", kill_on_drop: false }`
[INFO] [stderr] warning: `rust-version` is not supported on this version of Cargo and will be ignored
[INFO] [stderr] 
[INFO] [stderr] this Cargo does not support nightly features, but if you
[INFO] [stderr] switch to nightly channel you can add
[INFO] [stderr] `cargo-features = ["rust-version"]` to enable this feature
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling easy-ext v1.0.0
[INFO] [stderr]     Checking fs-err v2.6.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]     Checking cargo-hack v0.5.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.41s
[INFO] running `Command { std: "docker" "inspect" "52df8d0621920f9fccc6d02a81a3b5fcf1556d6d3fa508e917c34713cdd75e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52df8d0621920f9fccc6d02a81a3b5fcf1556d6d3fa508e917c34713cdd75e39", kill_on_drop: false }`
[INFO] [stdout] 52df8d0621920f9fccc6d02a81a3b5fcf1556d6d3fa508e917c34713cdd75e39
