[INFO] cloning repository https://github.com/copygirl/farm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/copygirl/farm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcopygirl%2Ffarm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcopygirl%2Ffarm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 207fda353812407b6df67f92dfa7e81e7791ccef
[INFO] checking copygirl/farm against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcopygirl%2Ffarm" "/workspace/builds/worker-59/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/copygirl/farm on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/copygirl/farm
[INFO] finished tweaking git repo https://github.com/copygirl/farm
[INFO] tweaked toml for git repo https://github.com/copygirl/farm written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate git repo https://github.com/copygirl/farm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.8
[INFO] [stderr]   Downloaded miniz_oxide v0.2.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded derive-new v0.5.7
[INFO] [stderr]   Downloaded twox-hash v1.4.2
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded hyper v0.12.32
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded atty v0.2.12
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.2
[INFO] [stderr]   Downloaded regex v1.1.9
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.8
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9a2c12a1f686bc16042fff817390a37e43f4ad0aaee2261e6bc8ee4bb992947
[INFO] running `Command { std: "docker" "start" "-a" "e9a2c12a1f686bc16042fff817390a37e43f4ad0aaee2261e6bc8ee4bb992947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9a2c12a1f686bc16042fff817390a37e43f4ad0aaee2261e6bc8ee4bb992947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a2c12a1f686bc16042fff817390a37e43f4ad0aaee2261e6bc8ee4bb992947", kill_on_drop: false }`
[INFO] [stdout] e9a2c12a1f686bc16042fff817390a37e43f4ad0aaee2261e6bc8ee4bb992947
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76c8f7f794219b4f7631af65d4a9f5087482256f3f4e3066d0614ce06755cdf6
[INFO] running `Command { std: "docker" "start" "-a" "76c8f7f794219b4f7631af65d4a9f5087482256f3f4e3066d0614ce06755cdf6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "76c8f7f794219b4f7631af65d4a9f5087482256f3f4e3066d0614ce06755cdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c8f7f794219b4f7631af65d4a9f5087482256f3f4e3066d0614ce06755cdf6", kill_on_drop: false }`
[INFO] [stdout] 76c8f7f794219b4f7631af65d4a9f5087482256f3f4e3066d0614ce06755cdf6