[INFO] fetching crate youtrack-commander 0.2.1...
[INFO] checking youtrack-commander-0.2.1 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate youtrack-commander 0.2.1 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate youtrack-commander 0.2.1 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 youtrack-commander 0.2.1
[INFO] finished tweaking crates.io crate youtrack-commander 0.2.1
[INFO] tweaked toml for crates.io crate youtrack-commander 0.2.1 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate crates.io crate youtrack-commander 0.2.1 already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded linked-hash-map v0.5.4
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded dirs v3.0.2
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] [stderr]   Downloaded serde-hjson v0.9.1
[INFO] [stderr]   Downloaded rust-ini v0.13.0
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded term_grid v0.2.0
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] ee20a4bbd9d559c2a6d23e49040ee20385b2cc76f532bd8c6a7cc17145e9e0c1
[INFO] running `Command { std: "docker" "start" "-a" "ee20a4bbd9d559c2a6d23e49040ee20385b2cc76f532bd8c6a7cc17145e9e0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee20a4bbd9d559c2a6d23e49040ee20385b2cc76f532bd8c6a7cc17145e9e0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee20a4bbd9d559c2a6d23e49040ee20385b2cc76f532bd8c6a7cc17145e9e0c1", kill_on_drop: false }`
[INFO] [stdout] ee20a4bbd9d559c2a6d23e49040ee20385b2cc76f532bd8c6a7cc17145e9e0c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 84626fd1b46fcb0322fcae62d942e0757d0d351fa5a22c72c7611b9a256471cf
[INFO] running `Command { std: "docker" "start" "-a" "84626fd1b46fcb0322fcae62d942e0757d0d351fa5a22c72c7611b9a256471cf", 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" "84626fd1b46fcb0322fcae62d942e0757d0d351fa5a22c72c7611b9a256471cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84626fd1b46fcb0322fcae62d942e0757d0d351fa5a22c72c7611b9a256471cf", kill_on_drop: false }`
[INFO] [stdout] 84626fd1b46fcb0322fcae62d942e0757d0d351fa5a22c72c7611b9a256471cf