[INFO] fetching crate tracing-actix-web-mozlog 0.3.0...
[INFO] checking tracing-actix-web-mozlog-0.3.0 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate tracing-actix-web-mozlog 0.3.0 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate tracing-actix-web-mozlog 0.3.0 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-actix-web-mozlog 0.3.0
[INFO] finished tweaking crates.io crate tracing-actix-web-mozlog 0.3.0
[INFO] tweaked toml for crates.io crate tracing-actix-web-mozlog 0.3.0 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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 num-cmp v0.1.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded fancy-regex v0.6.0
[INFO] [stderr]   Downloaded tracing-actix-web v0.4.0-beta.9
[INFO] [stderr]   Downloaded zstd-safe v3.1.0+zstd.1.4.9
[INFO] [stderr]   Downloaded structopt v0.3.22
[INFO] [stderr]   Downloaded jsonschema v0.11.0
[INFO] [stderr]   Downloaded cookie v0.15.1
[INFO] [stderr]   Downloaded fraction v0.8.0
[INFO] [stderr]   Downloaded zstd-sys v1.5.0+zstd.1.4.9
[INFO] [stderr]   Downloaded zstd v0.7.0+zstd.1.4.9
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc1c168175f08eda7b4cd9b4c066f7cc614334ed4f0789d51e7e3ec5a888c7df
[INFO] running `Command { std: "docker" "start" "-a" "fc1c168175f08eda7b4cd9b4c066f7cc614334ed4f0789d51e7e3ec5a888c7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc1c168175f08eda7b4cd9b4c066f7cc614334ed4f0789d51e7e3ec5a888c7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1c168175f08eda7b4cd9b4c066f7cc614334ed4f0789d51e7e3ec5a888c7df", kill_on_drop: false }`
[INFO] [stdout] fc1c168175f08eda7b4cd9b4c066f7cc614334ed4f0789d51e7e3ec5a888c7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c96bd6d7b3738fbbe3804ec9e2f1e2bb60cc554fd49fc5f75221ab1d99af741a
[INFO] running `Command { std: "docker" "start" "-a" "c96bd6d7b3738fbbe3804ec9e2f1e2bb60cc554fd49fc5f75221ab1d99af741a", 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" "c96bd6d7b3738fbbe3804ec9e2f1e2bb60cc554fd49fc5f75221ab1d99af741a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96bd6d7b3738fbbe3804ec9e2f1e2bb60cc554fd49fc5f75221ab1d99af741a", kill_on_drop: false }`
[INFO] [stdout] c96bd6d7b3738fbbe3804ec9e2f1e2bb60cc554fd49fc5f75221ab1d99af741a