[INFO] fetching crate signalling 0.0.1...
[INFO] checking signalling-0.0.1 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate signalling 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate signalling 0.0.1 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49ede24bab026c48c21f7acc642c578c02ed7048918f35a9d24438abe95a1cc8
[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" "49ede24bab026c48c21f7acc642c578c02ed7048918f35a9d24438abe95a1cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49ede24bab026c48c21f7acc642c578c02ed7048918f35a9d24438abe95a1cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ede24bab026c48c21f7acc642c578c02ed7048918f35a9d24438abe95a1cc8", kill_on_drop: false }`
[INFO] [stdout] 49ede24bab026c48c21f7acc642c578c02ed7048918f35a9d24438abe95a1cc8
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b53d4230d0bca0e3aa2dc6f672d73e3d6f31bb19d8d72c8355b8ce66c241ff5
[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" "8b53d4230d0bca0e3aa2dc6f672d73e3d6f31bb19d8d72c8355b8ce66c241ff5", 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 0.93s
[INFO] running `Command { std: "docker" "inspect" "8b53d4230d0bca0e3aa2dc6f672d73e3d6f31bb19d8d72c8355b8ce66c241ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b53d4230d0bca0e3aa2dc6f672d73e3d6f31bb19d8d72c8355b8ce66c241ff5", kill_on_drop: false }`
[INFO] [stdout] 8b53d4230d0bca0e3aa2dc6f672d73e3d6f31bb19d8d72c8355b8ce66c241ff5