[INFO] cloning repository https://github.com/DuBistKomisch/jakebarnes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DuBistKomisch/jakebarnes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuBistKomisch%2Fjakebarnes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuBistKomisch%2Fjakebarnes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3895fdecb3f5827a5d063512eb298e68723885fe
[INFO] checking DuBistKomisch/jakebarnes against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDuBistKomisch%2Fjakebarnes" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DuBistKomisch/jakebarnes 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/DuBistKomisch/jakebarnes
[INFO] finished tweaking git repo https://github.com/DuBistKomisch/jakebarnes
[INFO] tweaked toml for git repo https://github.com/DuBistKomisch/jakebarnes written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/DuBistKomisch/jakebarnes 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 tokio-util v0.6.6
[INFO] [stderr]   Downloaded ubyte v0.10.1
[INFO] [stderr]   Downloaded futures-core v0.3.14
[INFO] [stderr]   Downloaded futures-sink v0.3.14
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.73
[INFO] [stderr]   Downloaded tokio v1.5.0
[INFO] [stderr]   Downloaded unchecked-index v0.2.2
[INFO] [stderr]   Downloaded futures v0.3.14
[INFO] [stderr]   Downloaded vcpkg v0.2.12
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
[INFO] [stderr]   Downloaded js-sys v0.3.50
[INFO] [stderr]   Downloaded hyper v0.14.7
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]   Downloaded openssl-sys v0.9.62
[INFO] [stderr]   Downloaded normpath v0.2.0
[INFO] [stderr]   Downloaded futures-task v0.3.14
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.23
[INFO] [stderr]   Downloaded quick-error v2.0.0
[INFO] [stderr]   Downloaded notify v4.0.16
[INFO] [stderr]   Downloaded twoway v0.2.1
[INFO] [stderr]   Downloaded handlebars v3.5.4
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded futures-macro v0.3.14
[INFO] [stderr]   Downloaded inlinable_string v0.1.14
[INFO] [stderr]   Downloaded futures-executor v0.3.14
[INFO] [stderr]   Downloaded futures-channel v0.3.14
[INFO] [stderr]   Downloaded httpdate v1.0.0
[INFO] [stderr]   Downloaded proc-macro2-diagnostics v0.9.1
[INFO] [stderr]   Downloaded ref-cast v1.0.6
[INFO] [stderr]   Downloaded futures-util v0.3.14
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.73
[INFO] [stderr]   Downloaded stable-pattern v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.73
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.6
[INFO] [stderr]   Downloaded generator v0.6.25
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded binascii v0.1.4
[INFO] [stderr]   Downloaded figment v0.10.5
[INFO] [stderr]   Downloaded cookie v0.15.0
[INFO] [stderr]   Downloaded http-body v0.4.1
[INFO] [stderr]   Downloaded httparse v1.4.0
[INFO] [stderr]   Downloaded pear_codegen v0.2.2
[INFO] [stderr]   Downloaded pear v0.2.2
[INFO] [stderr]   Downloaded uncased v0.9.6
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded const_fn v0.4.7
[INFO] [stderr]   Downloaded futures-io v0.3.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d28cf32870118c76a365ad9e0712657d18c6860feb71aeca5124efc053984d2d
[INFO] running `Command { std: "docker" "start" "-a" "d28cf32870118c76a365ad9e0712657d18c6860feb71aeca5124efc053984d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d28cf32870118c76a365ad9e0712657d18c6860feb71aeca5124efc053984d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d28cf32870118c76a365ad9e0712657d18c6860feb71aeca5124efc053984d2d", kill_on_drop: false }`
[INFO] [stdout] d28cf32870118c76a365ad9e0712657d18c6860feb71aeca5124efc053984d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 0108c03c5e7a6c0b4f88f173c2c85e98b410eb0ed354da14d485f6820a32bd0c
[INFO] running `Command { std: "docker" "start" "-a" "0108c03c5e7a6c0b4f88f173c2c85e98b410eb0ed354da14d485f6820a32bd0c", kill_on_drop: false }`
[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" "0108c03c5e7a6c0b4f88f173c2c85e98b410eb0ed354da14d485f6820a32bd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0108c03c5e7a6c0b4f88f173c2c85e98b410eb0ed354da14d485f6820a32bd0c", kill_on_drop: false }`
[INFO] [stdout] 0108c03c5e7a6c0b4f88f173c2c85e98b410eb0ed354da14d485f6820a32bd0c