[INFO] cloning repository https://github.com/brapse/executor-spike
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brapse/executor-spike" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrapse%2Fexecutor-spike", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrapse%2Fexecutor-spike'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d9e352cceefbee833ff4981752d5d7448fcfa05
[INFO] checking brapse/executor-spike against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrapse%2Fexecutor-spike" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brapse/executor-spike on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brapse/executor-spike
[INFO] finished tweaking git repo https://github.com/brapse/executor-spike
[INFO] tweaked toml for git repo https://github.com/brapse/executor-spike written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/brapse/executor-spike already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.5
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.7
[INFO] [stderr]   Downloaded net2 v0.2.35
[INFO] [stderr]   Downloaded socket2 v0.3.15
[INFO] [stderr]   Downloaded pin-project-lite v0.1.11
[INFO] [stderr]   Downloaded futures-core v0.3.7
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45d94ab8f42100de1104b199c61d2d38603d1e321f4cfcd9c321b216b4c07412
[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" "45d94ab8f42100de1104b199c61d2d38603d1e321f4cfcd9c321b216b4c07412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45d94ab8f42100de1104b199c61d2d38603d1e321f4cfcd9c321b216b4c07412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d94ab8f42100de1104b199c61d2d38603d1e321f4cfcd9c321b216b4c07412", kill_on_drop: false }`
[INFO] [stdout] 45d94ab8f42100de1104b199c61d2d38603d1e321f4cfcd9c321b216b4c07412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 072181b3190fdafc3e8d151122bdef9722b707ef2e8096f482c4d648ce8dc759
[INFO] running `Command { std: "docker" "start" "-a" "072181b3190fdafc3e8d151122bdef9722b707ef2e8096f482c4d648ce8dc759", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking executor-spike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.52s
[INFO] running `Command { std: "docker" "inspect" "072181b3190fdafc3e8d151122bdef9722b707ef2e8096f482c4d648ce8dc759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072181b3190fdafc3e8d151122bdef9722b707ef2e8096f482c4d648ce8dc759", kill_on_drop: false }`
[INFO] [stdout] 072181b3190fdafc3e8d151122bdef9722b707ef2e8096f482c4d648ce8dc759