[INFO] fetching crate gentoo-cruft 1.0.3...
[INFO] checking gentoo-cruft-1.0.3 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate gentoo-cruft 1.0.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gentoo-cruft 1.0.3 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gentoo-cruft 1.0.3
[INFO] finished tweaking crates.io crate gentoo-cruft 1.0.3
[INFO] tweaked toml for crates.io crate gentoo-cruft 1.0.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate gentoo-cruft 1.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2b63399d8d467ccd917a575d58a2ea9d9e4211052165d551f110c3165888d30
[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" "a2b63399d8d467ccd917a575d58a2ea9d9e4211052165d551f110c3165888d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b63399d8d467ccd917a575d58a2ea9d9e4211052165d551f110c3165888d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b63399d8d467ccd917a575d58a2ea9d9e4211052165d551f110c3165888d30", kill_on_drop: false }`
[INFO] [stdout] a2b63399d8d467ccd917a575d58a2ea9d9e4211052165d551f110c3165888d30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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] daf498e40478c618098514e7b4a1de10ca6c98800061b09d90329551cbe53b6d
[INFO] running `Command { std: "docker" "start" "-a" "daf498e40478c618098514e7b4a1de10ca6c98800061b09d90329551cbe53b6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking gentoo-cruft v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.06s
[INFO] running `Command { std: "docker" "inspect" "daf498e40478c618098514e7b4a1de10ca6c98800061b09d90329551cbe53b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf498e40478c618098514e7b4a1de10ca6c98800061b09d90329551cbe53b6d", kill_on_drop: false }`
[INFO] [stdout] daf498e40478c618098514e7b4a1de10ca6c98800061b09d90329551cbe53b6d