[INFO] fetching crate dockerbuild 0.1.4...
[INFO] checking dockerbuild-0.1.4 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate dockerbuild 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dockerbuild 0.1.4 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dockerbuild 0.1.4
[INFO] finished tweaking crates.io crate dockerbuild 0.1.4
[INFO] tweaked toml for crates.io crate dockerbuild 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate dockerbuild 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0647b96356ac031f9e6c4a8b2becd8c9d54e89d62594af9fd4ac250e67df4831
[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" "0647b96356ac031f9e6c4a8b2becd8c9d54e89d62594af9fd4ac250e67df4831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0647b96356ac031f9e6c4a8b2becd8c9d54e89d62594af9fd4ac250e67df4831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0647b96356ac031f9e6c4a8b2becd8c9d54e89d62594af9fd4ac250e67df4831", kill_on_drop: false }`
[INFO] [stdout] 0647b96356ac031f9e6c4a8b2becd8c9d54e89d62594af9fd4ac250e67df4831
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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] 1b5f6813f26b555fe9dbd93658383b132eec997a20c1ddbbcf649146bb4c2e4a
[INFO] running `Command { std: "docker" "start" "-a" "1b5f6813f26b555fe9dbd93658383b132eec997a20c1ddbbcf649146bb4c2e4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rust_util v0.6.15
[INFO] [stderr]     Checking dockerbuild v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.30s
[INFO] running `Command { std: "docker" "inspect" "1b5f6813f26b555fe9dbd93658383b132eec997a20c1ddbbcf649146bb4c2e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5f6813f26b555fe9dbd93658383b132eec997a20c1ddbbcf649146bb4c2e4a", kill_on_drop: false }`
[INFO] [stdout] 1b5f6813f26b555fe9dbd93658383b132eec997a20c1ddbbcf649146bb4c2e4a