[INFO] fetching crate unix-signal 0.1.4...
[INFO] checking unix-signal-0.1.4 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate unix-signal 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate unix-signal 0.1.4 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unix-signal 0.1.4
[INFO] finished tweaking crates.io crate unix-signal 0.1.4
[INFO] tweaked toml for crates.io crate unix-signal 0.1.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d0aaf1edb59572b3e3bad1d86c1c4c65a6e41285da3cd5a6a104e524149f9d0
[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" "4d0aaf1edb59572b3e3bad1d86c1c4c65a6e41285da3cd5a6a104e524149f9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d0aaf1edb59572b3e3bad1d86c1c4c65a6e41285da3cd5a6a104e524149f9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0aaf1edb59572b3e3bad1d86c1c4c65a6e41285da3cd5a6a104e524149f9d0", kill_on_drop: false }`
[INFO] [stdout] 4d0aaf1edb59572b3e3bad1d86c1c4c65a6e41285da3cd5a6a104e524149f9d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70dd81ddb3236c64f3f8b697ba14ba349a89686f7e52fcf8bae083fd3e8a410e
[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" "70dd81ddb3236c64f3f8b697ba14ba349a89686f7e52fcf8bae083fd3e8a410e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling ptr v0.2.2
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling hash-table v0.2.5
[INFO] [stderr]    Compiling containers v0.9.11
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking idem v0.4.0
[INFO] [stderr]     Checking rel v0.2.0
[INFO] [stderr]     Checking heap v0.1.0
[INFO] [stderr]    Compiling i-o v0.4.7
[INFO] [stderr]     Checking utf v0.1.6
[INFO] [stderr]     Checking libc-interface v0.1.2
[INFO] [stderr]     Checking flags v0.1.5
[INFO] [stderr]     Checking system-call v0.1.3
[INFO] [stderr]     Checking abort v0.1.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking fallible v0.1.3
[INFO] [stderr]     Checking idem v0.1.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking null-terminated v0.3.14
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking loca v0.7.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking default_allocator v0.3.0
[INFO] [stderr]    Compiling unix v0.6.12
[INFO] [stderr]     Checking tempus v0.2.4
[INFO] [stderr]     Checking unix-signal v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "70dd81ddb3236c64f3f8b697ba14ba349a89686f7e52fcf8bae083fd3e8a410e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70dd81ddb3236c64f3f8b697ba14ba349a89686f7e52fcf8bae083fd3e8a410e", kill_on_drop: false }`
[INFO] [stdout] 70dd81ddb3236c64f3f8b697ba14ba349a89686f7e52fcf8bae083fd3e8a410e