[INFO] fetching crate cargo-explain 1.0.0...
[INFO] checking cargo-explain-1.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cargo-explain 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-explain 1.0.0 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-explain 1.0.0
[INFO] finished tweaking crates.io crate cargo-explain 1.0.0
[INFO] tweaked toml for crates.io crate cargo-explain 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-explain 1.0.0 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 395478868e9c8af7fab6bb455c58e0ab9b190b6b3254e4b58c5ca4423c613ad4
[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" "395478868e9c8af7fab6bb455c58e0ab9b190b6b3254e4b58c5ca4423c613ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "395478868e9c8af7fab6bb455c58e0ab9b190b6b3254e4b58c5ca4423c613ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395478868e9c8af7fab6bb455c58e0ab9b190b6b3254e4b58c5ca4423c613ad4", kill_on_drop: false }`
[INFO] [stdout] 395478868e9c8af7fab6bb455c58e0ab9b190b6b3254e4b58c5ca4423c613ad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8881c2bb8bf7e5ed0120807df1a0b12df937462bc20f9ffef133a11b7142e35a
[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" "8881c2bb8bf7e5ed0120807df1a0b12df937462bc20f9ffef133a11b7142e35a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling onig_sys v69.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking onig v6.0.0
[INFO] [stderr]     Checking syntect v4.4.0
[INFO] [stderr]     Checking cargo-explain v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.31s
[INFO] running `Command { std: "docker" "inspect" "8881c2bb8bf7e5ed0120807df1a0b12df937462bc20f9ffef133a11b7142e35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8881c2bb8bf7e5ed0120807df1a0b12df937462bc20f9ffef133a11b7142e35a", kill_on_drop: false }`
[INFO] [stdout] 8881c2bb8bf7e5ed0120807df1a0b12df937462bc20f9ffef133a11b7142e35a
