[INFO] cloning repository https://github.com/neivv/samase_scarf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neivv/samase_scarf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneivv%2Fsamase_scarf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneivv%2Fsamase_scarf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9114a849cc5066dee92dc2b91480df8a6621499a
[INFO] checking neivv/samase_scarf against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneivv%2Fsamase_scarf" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neivv/samase_scarf on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neivv/samase_scarf
[INFO] finished tweaking git repo https://github.com/neivv/samase_scarf
[INFO] tweaked toml for git repo https://github.com/neivv/samase_scarf written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/neivv/samase_scarf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", 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] 772a7f9fcafe167a59a21ea351b217efbc38a67eb7ce8deb1d7e0c2fb355d080
[INFO] running `Command { std: "docker" "start" "-a" "772a7f9fcafe167a59a21ea351b217efbc38a67eb7ce8deb1d7e0c2fb355d080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "772a7f9fcafe167a59a21ea351b217efbc38a67eb7ce8deb1d7e0c2fb355d080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772a7f9fcafe167a59a21ea351b217efbc38a67eb7ce8deb1d7e0c2fb355d080", kill_on_drop: false }`
[INFO] [stdout] 772a7f9fcafe167a59a21ea351b217efbc38a67eb7ce8deb1d7e0c2fb355d080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 3fa4d8a9becd15ef4655b5d2e4865fb03f1ad879dc2ba03980a79c778a4419c8
[INFO] running `Command { std: "docker" "start" "-a" "3fa4d8a9becd15ef4655b5d2e4865fb03f1ad879dc2ba03980a79c778a4419c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking lde v0.3.0 (https://github.com/CasualX/lde#6d8e2870)
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking bumpalo v3.4.0
[INFO] [stderr]     Checking memmem v0.1.1
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking scarf v0.3.0 (https://github.com/neivv/scarf?rev=30a43f5ece2024e913800e0088196d42bf192107#30a43f5e)
[INFO] [stderr]     Checking samase_scarf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized] target(s) in 25.66s
[INFO] running `Command { std: "docker" "inspect" "3fa4d8a9becd15ef4655b5d2e4865fb03f1ad879dc2ba03980a79c778a4419c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa4d8a9becd15ef4655b5d2e4865fb03f1ad879dc2ba03980a79c778a4419c8", kill_on_drop: false }`
[INFO] [stdout] 3fa4d8a9becd15ef4655b5d2e4865fb03f1ad879dc2ba03980a79c778a4419c8