[INFO] fetching crate krafter 0.0.0-ph...
[INFO] checking krafter-0.0.0-ph against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate krafter 0.0.0-ph into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate krafter 0.0.0-ph on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate krafter 0.0.0-ph
[INFO] finished tweaking crates.io crate krafter 0.0.0-ph
[INFO] tweaked toml for crates.io crate krafter 0.0.0-ph written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate krafter 0.0.0-ph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39e4ed2f61792956ce420057cbe6999103e5235ed8a7e317183bcde12bd38d7a
[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" "39e4ed2f61792956ce420057cbe6999103e5235ed8a7e317183bcde12bd38d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39e4ed2f61792956ce420057cbe6999103e5235ed8a7e317183bcde12bd38d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e4ed2f61792956ce420057cbe6999103e5235ed8a7e317183bcde12bd38d7a", kill_on_drop: false }`
[INFO] [stdout] 39e4ed2f61792956ce420057cbe6999103e5235ed8a7e317183bcde12bd38d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d8a039a4c5a58ad2644445cd25d11b30aaf009abbf8c8cd4db5b53af7c2734
[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" "f2d8a039a4c5a58ad2644445cd25d11b30aaf009abbf8c8cd4db5b53af7c2734", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking krafter v0.0.0-ph (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "f2d8a039a4c5a58ad2644445cd25d11b30aaf009abbf8c8cd4db5b53af7c2734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d8a039a4c5a58ad2644445cd25d11b30aaf009abbf8c8cd4db5b53af7c2734", kill_on_drop: false }`
[INFO] [stdout] f2d8a039a4c5a58ad2644445cd25d11b30aaf009abbf8c8cd4db5b53af7c2734