[INFO] fetching crate format_serde_error 0.3.0...
[INFO] checking format_serde_error-0.3.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate format_serde_error 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate format_serde_error 0.3.0 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 format_serde_error 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate format_serde_error 0.3.0
[INFO] tweaked toml for crates.io crate format_serde_error 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate format_serde_error 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a58524ecebc4236bd58a52f9a93ba466c22e402f485c792c5c29cc6931ce15a
[INFO] running `Command { std: "docker" "start" "-a" "2a58524ecebc4236bd58a52f9a93ba466c22e402f485c792c5c29cc6931ce15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a58524ecebc4236bd58a52f9a93ba466c22e402f485c792c5c29cc6931ce15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a58524ecebc4236bd58a52f9a93ba466c22e402f485c792c5c29cc6931ce15a", kill_on_drop: false }`
[INFO] [stdout] 2a58524ecebc4236bd58a52f9a93ba466c22e402f485c792c5c29cc6931ce15a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] dfc5291886146b8bd312667d7d20044cdc0dde72a349c4f6b7cfa782ceaa0272
[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" "dfc5291886146b8bd312667d7d20044cdc0dde72a349c4f6b7cfa782ceaa0272", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking format_serde_error v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.58s
[INFO] running `Command { std: "docker" "inspect" "dfc5291886146b8bd312667d7d20044cdc0dde72a349c4f6b7cfa782ceaa0272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc5291886146b8bd312667d7d20044cdc0dde72a349c4f6b7cfa782ceaa0272", kill_on_drop: false }`
[INFO] [stdout] dfc5291886146b8bd312667d7d20044cdc0dde72a349c4f6b7cfa782ceaa0272
