[INFO] fetching crate signal-gen-cjds66-lib 0.1.9...
[INFO] checking signal-gen-cjds66-lib-0.1.9 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate signal-gen-cjds66-lib 0.1.9 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate signal-gen-cjds66-lib 0.1.9 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signal-gen-cjds66-lib 0.1.9
[INFO] finished tweaking crates.io crate signal-gen-cjds66-lib 0.1.9
[INFO] tweaked toml for crates.io crate signal-gen-cjds66-lib 0.1.9 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate signal-gen-cjds66-lib 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded serial-core v0.4.0
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4155514934a9c30374a48f57c466713a2bb976e8d89934b0ef39de2df38e5bbd
[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" "4155514934a9c30374a48f57c466713a2bb976e8d89934b0ef39de2df38e5bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4155514934a9c30374a48f57c466713a2bb976e8d89934b0ef39de2df38e5bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4155514934a9c30374a48f57c466713a2bb976e8d89934b0ef39de2df38e5bbd", kill_on_drop: false }`
[INFO] [stdout] 4155514934a9c30374a48f57c466713a2bb976e8d89934b0ef39de2df38e5bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76789cab213d901fa8ec112e505fd3ee46b846d5ff61a0be1ef983575245c1a3
[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" "76789cab213d901fa8ec112e505fd3ee46b846d5ff61a0be1ef983575245c1a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking signal-gen-cjds66-lib v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.32s
[INFO] running `Command { std: "docker" "inspect" "76789cab213d901fa8ec112e505fd3ee46b846d5ff61a0be1ef983575245c1a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76789cab213d901fa8ec112e505fd3ee46b846d5ff61a0be1ef983575245c1a3", kill_on_drop: false }`
[INFO] [stdout] 76789cab213d901fa8ec112e505fd3ee46b846d5ff61a0be1ef983575245c1a3