[INFO] cloning repository https://github.com/gnieto/rs_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnieto/rs_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnieto%2Frs_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnieto%2Frs_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01bf60698f22131b500e35f54be04dbcf4a281ad
[INFO] checking gnieto/rs_proxy against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnieto%2Frs_proxy" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnieto/rs_proxy 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/gnieto/rs_proxy
[INFO] finished tweaking git repo https://github.com/gnieto/rs_proxy
[INFO] tweaked toml for git repo https://github.com/gnieto/rs_proxy written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/gnieto/rs_proxy 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 void v1.0.1
[INFO] [stderr]   Downloaded thread_local v0.2.3
[INFO] [stderr]   Downloaded regex v0.1.66
[INFO] [stderr]   Downloaded netbuf v0.3.1
[INFO] [stderr]   Downloaded resp v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 198fc492aa6c01960e00addde34c5ebae5596b1537ab8e3959aabdf5f4d37594
[INFO] running `Command { std: "docker" "start" "-a" "198fc492aa6c01960e00addde34c5ebae5596b1537ab8e3959aabdf5f4d37594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "198fc492aa6c01960e00addde34c5ebae5596b1537ab8e3959aabdf5f4d37594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198fc492aa6c01960e00addde34c5ebae5596b1537ab8e3959aabdf5f4d37594", kill_on_drop: false }`
[INFO] [stdout] 198fc492aa6c01960e00addde34c5ebae5596b1537ab8e3959aabdf5f4d37594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 944ce8a5fc1dcb9718c75f50c97f4d4280fa477ee09919684a93701abe0f2b34
[INFO] running `Command { std: "docker" "start" "-a" "944ce8a5fc1dcb9718c75f50c97f4d4280fa477ee09919684a93701abe0f2b34", 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" "944ce8a5fc1dcb9718c75f50c97f4d4280fa477ee09919684a93701abe0f2b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944ce8a5fc1dcb9718c75f50c97f4d4280fa477ee09919684a93701abe0f2b34", kill_on_drop: false }`
[INFO] [stdout] 944ce8a5fc1dcb9718c75f50c97f4d4280fa477ee09919684a93701abe0f2b34