[INFO] fetching crate testpackage 0.1.2...
[INFO] checking testpackage-0.1.2 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate testpackage 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate testpackage 0.1.2 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 testpackage 0.1.2
[INFO] finished tweaking crates.io crate testpackage 0.1.2
[INFO] tweaked toml for crates.io crate testpackage 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate testpackage 0.1.2 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-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" "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] 59d730c259fbebbff1442389e5780a25d132b48856d769c242889baca004f507
[INFO] running `Command { std: "docker" "start" "-a" "59d730c259fbebbff1442389e5780a25d132b48856d769c242889baca004f507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59d730c259fbebbff1442389e5780a25d132b48856d769c242889baca004f507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59d730c259fbebbff1442389e5780a25d132b48856d769c242889baca004f507", kill_on_drop: false }`
[INFO] [stdout] 59d730c259fbebbff1442389e5780a25d132b48856d769c242889baca004f507
[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=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] 2d5ed042fad8dfff5905b2b726f9ef26c18b6d32c233da0be17e17e7b9221aa1
[INFO] running `Command { std: "docker" "start" "-a" "2d5ed042fad8dfff5905b2b726f9ef26c18b6d32c233da0be17e17e7b9221aa1", kill_on_drop: false }`
[INFO] [stderr]     Checking testpackage v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "2d5ed042fad8dfff5905b2b726f9ef26c18b6d32c233da0be17e17e7b9221aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5ed042fad8dfff5905b2b726f9ef26c18b6d32c233da0be17e17e7b9221aa1", kill_on_drop: false }`
[INFO] [stdout] 2d5ed042fad8dfff5905b2b726f9ef26c18b6d32c233da0be17e17e7b9221aa1