[INFO] fetching crate signalling 0.0.1...
[INFO] checking signalling-0.0.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate signalling 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate signalling 0.0.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signalling 0.0.1
[INFO] finished tweaking crates.io crate signalling 0.0.1
[INFO] tweaked toml for crates.io crate signalling 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hazard v0.3.1
[INFO] [stderr]   Downloaded npnc v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bada8e6c95778d6cf20554a821a8a97bc6ab3a6218d439db70647b4f0e04ee5
[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" "4bada8e6c95778d6cf20554a821a8a97bc6ab3a6218d439db70647b4f0e04ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bada8e6c95778d6cf20554a821a8a97bc6ab3a6218d439db70647b4f0e04ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bada8e6c95778d6cf20554a821a8a97bc6ab3a6218d439db70647b4f0e04ee5", kill_on_drop: false }`
[INFO] [stdout] 4bada8e6c95778d6cf20554a821a8a97bc6ab3a6218d439db70647b4f0e04ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce035b5b9d2586549eea99e4c085f49172639bbed12e223a07836671e2bb0263
[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" "ce035b5b9d2586549eea99e4c085f49172639bbed12e223a07836671e2bb0263", kill_on_drop: false }`
[INFO] [stderr]     Checking hazard v0.3.1
[INFO] [stderr]     Checking signalling v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking npnc v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "ce035b5b9d2586549eea99e4c085f49172639bbed12e223a07836671e2bb0263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce035b5b9d2586549eea99e4c085f49172639bbed12e223a07836671e2bb0263", kill_on_drop: false }`
[INFO] [stdout] ce035b5b9d2586549eea99e4c085f49172639bbed12e223a07836671e2bb0263