[INFO] cloning repository https://github.com/maltz/agon_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maltz/agon_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaltz%2Fagon_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaltz%2Fagon_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad6447d91f51d126c47656e3314c488b9501a225
[INFO] checking maltz/agon_rust against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaltz%2Fagon_rust" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maltz/agon_rust 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 git repo https://github.com/maltz/agon_rust
[INFO] finished tweaking git repo https://github.com/maltz/agon_rust
[INFO] tweaked toml for git repo https://github.com/maltz/agon_rust written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/maltz/agon_rust 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded miniz-sys v0.1.10
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[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded tokio-reactor v0.1.2
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[INFO] [stderr]   Downloaded cfg-if v0.1.3
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[INFO] [stderr]   Downloaded winreg v0.5.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.3.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded trust-dns-proto v0.3.3
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[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
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[INFO] [stderr]   Downloaded bytecount v0.3.1
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[INFO] [stderr]   Downloaded tokio-core v0.1.17
[INFO] [stderr]   Downloaded backtrace v0.3.8
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[INFO] [stderr]   Downloaded serde_json v1.0.22
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] d2dfc21c19106978dfe09295e7d8544d2e295b2f8929d3f851cf51bab26ac697
[INFO] running `Command { std: "docker" "start" "-a" "d2dfc21c19106978dfe09295e7d8544d2e295b2f8929d3f851cf51bab26ac697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2dfc21c19106978dfe09295e7d8544d2e295b2f8929d3f851cf51bab26ac697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2dfc21c19106978dfe09295e7d8544d2e295b2f8929d3f851cf51bab26ac697", kill_on_drop: false }`
[INFO] [stdout] d2dfc21c19106978dfe09295e7d8544d2e295b2f8929d3f851cf51bab26ac697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 24c466615f7dd5438cf92ad43485e9e5365486eb9deb90536f26181c6f8cead4
[INFO] running `Command { std: "docker" "start" "-a" "24c466615f7dd5438cf92ad43485e9e5365486eb9deb90536f26181c6f8cead4", 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" "24c466615f7dd5438cf92ad43485e9e5365486eb9deb90536f26181c6f8cead4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c466615f7dd5438cf92ad43485e9e5365486eb9deb90536f26181c6f8cead4", kill_on_drop: false }`
[INFO] [stdout] 24c466615f7dd5438cf92ad43485e9e5365486eb9deb90536f26181c6f8cead4