[INFO] fetching crate epirust 0.0.1...
[INFO] checking epirust-0.0.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate epirust 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate epirust 0.0.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate epirust 0.0.1
[INFO] finished tweaking crates.io crate epirust 0.0.1
[INFO] tweaked toml for crates.io crate epirust 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate epirust 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] d439916c4ed2587aa74fd847a43b3484ee628be29049973137307d98fded9f2c
[INFO] running `Command { std: "docker" "start" "-a" "d439916c4ed2587aa74fd847a43b3484ee628be29049973137307d98fded9f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d439916c4ed2587aa74fd847a43b3484ee628be29049973137307d98fded9f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d439916c4ed2587aa74fd847a43b3484ee628be29049973137307d98fded9f2c", kill_on_drop: false }`
[INFO] [stdout] d439916c4ed2587aa74fd847a43b3484ee628be29049973137307d98fded9f2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 7996d0960ff3855651023d72b14e721c281450c94683f897b783a0980e17c2b7
[INFO] running `Command { std: "docker" "start" "-a" "7996d0960ff3855651023d72b14e721c281450c94683f897b783a0980e17c2b7", kill_on_drop: false }`
[INFO] [stderr]     Checking epirust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "7996d0960ff3855651023d72b14e721c281450c94683f897b783a0980e17c2b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7996d0960ff3855651023d72b14e721c281450c94683f897b783a0980e17c2b7", kill_on_drop: false }`
[INFO] [stdout] 7996d0960ff3855651023d72b14e721c281450c94683f897b783a0980e17c2b7