[INFO] cloning repository https://github.com/simmel-project/nus-harness
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simmel-project/nus-harness" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimmel-project%2Fnus-harness", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimmel-project%2Fnus-harness'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 098a43f5616ded7ddf486e1e72a3391fdd40bd7a
[INFO] checking simmel-project/nus-harness against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimmel-project%2Fnus-harness" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simmel-project/nus-harness on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simmel-project/nus-harness
[INFO] finished tweaking git repo https://github.com/simmel-project/nus-harness
[INFO] tweaked toml for git repo https://github.com/simmel-project/nus-harness written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/simmel-project/nus-harness already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4faf87ade117de1d481c0b5e396efd20f29f0b216e9e12ef86bd84844ab4c9d1
[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" "4faf87ade117de1d481c0b5e396efd20f29f0b216e9e12ef86bd84844ab4c9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4faf87ade117de1d481c0b5e396efd20f29f0b216e9e12ef86bd84844ab4c9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4faf87ade117de1d481c0b5e396efd20f29f0b216e9e12ef86bd84844ab4c9d1", kill_on_drop: false }`
[INFO] [stdout] 4faf87ade117de1d481c0b5e396efd20f29f0b216e9e12ef86bd84844ab4c9d1
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8df7bfa07ac25f66eb28fdf90f0e52bb141ecfb0d2475216a5da174cd9b0b20
[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" "e8df7bfa07ac25f66eb28fdf90f0e52bb141ecfb0d2475216a5da174cd9b0b20", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking murmur3 v0.3.0
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]    Compiling nus-harness v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking cpal v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.82s
[INFO] running `Command { std: "docker" "inspect" "e8df7bfa07ac25f66eb28fdf90f0e52bb141ecfb0d2475216a5da174cd9b0b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8df7bfa07ac25f66eb28fdf90f0e52bb141ecfb0d2475216a5da174cd9b0b20", kill_on_drop: false }`
[INFO] [stdout] e8df7bfa07ac25f66eb28fdf90f0e52bb141ecfb0d2475216a5da174cd9b0b20