[INFO] cloning repository https://github.com/xfix/snippet-uploader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xfix/snippet-uploader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfix%2Fsnippet-uploader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfix%2Fsnippet-uploader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8664d22baec4ae475fe847d850fee51ba9afbc25
[INFO] checking xfix/snippet-uploader against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfix%2Fsnippet-uploader" "/workspace/builds/worker-85/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-85/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xfix/snippet-uploader 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/xfix/snippet-uploader
[INFO] finished tweaking git repo https://github.com/xfix/snippet-uploader
[INFO] tweaked toml for git repo https://github.com/xfix/snippet-uploader written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] crate git repo https://github.com/xfix/snippet-uploader 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 ...
[INFO] [stderr]   Downloaded generic-array v0.7.2
[INFO] [stderr]   Downloaded r2d2-diesel v0.13.0
[INFO] [stderr]   Downloaded bcrypt v0.1.3
[INFO] [stderr]   Downloaded diesel_infer_schema v0.13.0
[INFO] [stderr]   Downloaded smallvec v0.3.3
[INFO] [stderr]   Downloaded pest v0.4.1
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded tera v0.10.6
[INFO] [stderr]   Downloaded rayon-core v1.0.2
[INFO] [stderr]   Downloaded gcc v0.3.49
[INFO] [stderr]   Downloaded hyper v0.10.11
[INFO] [stderr]   Downloaded version_check v0.1.0
[INFO] [stderr]   Downloaded typenum v1.5.2
[INFO] [stderr]   Downloaded humansize v1.0.1
[INFO] [stderr]   Downloaded ring v0.9.7
[INFO] [stderr]   Downloaded r2d2 v0.7.2
[INFO] [stderr]   Downloaded tiny_http v0.5.8
[INFO] [stderr]   Downloaded ipnetwork v0.12.4
[INFO] [stderr]   Downloaded pq-sys v0.4.3
[INFO] [stderr]   Downloaded pear_codegen v0.0.8
[INFO] [stderr]   Downloaded pear v0.0.8
[INFO] [stderr]   Downloaded chrono v0.3.1
[INFO] [stderr]   Downloaded term-painter v0.2.3
[INFO] [stderr]   Downloaded state v0.2.1
[INFO] [stderr]   Downloaded url v1.4.1
[INFO] [stderr]   Downloaded cookie v0.8.1
[INFO] [stderr]   Downloaded num_cpus v1.5.0
[INFO] [stderr]   Downloaded diesel v0.13.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.3
[INFO] [stderr]   Downloaded sha2 v0.5.2
[INFO] [stderr]   Downloaded diesel_codegen v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 709ae36c9a936a1f0c7bcf7244d17ae1892607a565d79a9e40e77a99cda67bdd
[INFO] running `Command { std: "docker" "start" "-a" "709ae36c9a936a1f0c7bcf7244d17ae1892607a565d79a9e40e77a99cda67bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "709ae36c9a936a1f0c7bcf7244d17ae1892607a565d79a9e40e77a99cda67bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709ae36c9a936a1f0c7bcf7244d17ae1892607a565d79a9e40e77a99cda67bdd", kill_on_drop: false }`
[INFO] [stdout] 709ae36c9a936a1f0c7bcf7244d17ae1892607a565d79a9e40e77a99cda67bdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] cdcd86e092e9248ead3db6c482bf5185a40f257c588cc44db1b169d09d92209e
[INFO] running `Command { std: "docker" "start" "-a" "cdcd86e092e9248ead3db6c482bf5185a40f257c588cc44db1b169d09d92209e", 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" "cdcd86e092e9248ead3db6c482bf5185a40f257c588cc44db1b169d09d92209e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdcd86e092e9248ead3db6c482bf5185a40f257c588cc44db1b169d09d92209e", kill_on_drop: false }`
[INFO] [stdout] cdcd86e092e9248ead3db6c482bf5185a40f257c588cc44db1b169d09d92209e