[INFO] fetching crate num-traits 0.2.14...
[INFO] checking num-traits-0.2.14 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate num-traits 0.2.14 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate num-traits 0.2.14 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num-traits 0.2.14
[INFO] finished tweaking crates.io crate num-traits 0.2.14
[INFO] tweaked toml for crates.io crate num-traits 0.2.14 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67c1f80286b0dad8fd7fb0bdd7635a1b531a56f325ed4adeeb327fc084a1ee5e
[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" "67c1f80286b0dad8fd7fb0bdd7635a1b531a56f325ed4adeeb327fc084a1ee5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c1f80286b0dad8fd7fb0bdd7635a1b531a56f325ed4adeeb327fc084a1ee5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c1f80286b0dad8fd7fb0bdd7635a1b531a56f325ed4adeeb327fc084a1ee5e", kill_on_drop: false }`
[INFO] [stdout] 67c1f80286b0dad8fd7fb0bdd7635a1b531a56f325ed4adeeb327fc084a1ee5e
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd8c183e662deacedbfbda6e57830a4847dedfceb2d872828149c3e4d794eb0e
[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" "cd8c183e662deacedbfbda6e57830a4847dedfceb2d872828149c3e4d794eb0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.85s
[INFO] running `Command { std: "docker" "inspect" "cd8c183e662deacedbfbda6e57830a4847dedfceb2d872828149c3e4d794eb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8c183e662deacedbfbda6e57830a4847dedfceb2d872828149c3e4d794eb0e", kill_on_drop: false }`
[INFO] [stdout] cd8c183e662deacedbfbda6e57830a4847dedfceb2d872828149c3e4d794eb0e