[INFO] cloning repository https://github.com/jpastuszek/post-me
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpastuszek/post-me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpastuszek%2Fpost-me", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpastuszek%2Fpost-me'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb91d8003412a69d741ad4838f3b174e69cf614b
[INFO] checking jpastuszek/post-me against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpastuszek%2Fpost-me" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jpastuszek/post-me 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/jpastuszek/post-me
[INFO] finished tweaking git repo https://github.com/jpastuszek/post-me
[INFO] tweaked toml for git repo https://github.com/jpastuszek/post-me written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/jpastuszek/post-me 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]     Updating git repository `https://github.com/jpastuszek/rcgen.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded bytecount v0.3.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded os_pipe v0.9.1
[INFO] [stderr]   Downloaded aesni v0.10.0
[INFO] [stderr]   Downloaded async-session v2.0.1
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded async-dup v1.2.2
[INFO] [stderr]   Downloaded byte-pool v0.2.2
[INFO] [stderr]   Downloaded async-h1 v2.3.2
[INFO] [stderr]   Downloaded signal-hook v0.3.6
[INFO] [stderr]   Downloaded crossterm v0.10.2
[INFO] [stderr]   Downloaded simple-mutex v1.1.5
[INFO] [stderr]   Downloaded ole32-sys v0.2.0
[INFO] [stderr]   Downloaded nb-connect v1.0.3
[INFO] [stderr]   Downloaded shaman v0.1.0
[INFO] [stderr]   Downloaded structopt-derive v0.3.4
[INFO] [stderr]   Downloaded checked_int_cast v1.0.0
[INFO] [stderr]   Downloaded cipher v0.2.5
[INFO] [stderr]   Downloaded app_dirs v1.2.1
[INFO] [stderr]   Downloaded assert_matches v1.3.0
[INFO] [stderr]   Downloaded http-client v6.3.3
[INFO] [stderr]   Downloaded ctor v0.1.16
[INFO] [stderr]   Downloaded cargo_metadata v0.5.8
[INFO] [stderr]   Downloaded walkdir v2.2.5
[INFO] [stderr]   Downloaded same-file v1.0.3
[INFO] [stderr]   Downloaded hkdf v0.10.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.5
[INFO] [stderr]   Downloaded crossterm_style v0.4.1
[INFO] [stderr]   Downloaded structopt v0.3.4
[INFO] [stderr]   Downloaded http-types v2.10.0
[INFO] [stderr]   Downloaded aes-soft v0.6.4
[INFO] [stderr]   Downloaded tide v0.16.0
[INFO] [stderr]   Downloaded yasna v0.4.0
[INFO] [stderr]   Downloaded tide-rustls v0.3.0
[INFO] [stderr]   Downloaded ctr v0.6.0
[INFO] [stderr]   Downloaded async-process v1.0.2
[INFO] [stderr]   Downloaded blake3 v0.3.7
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded femme v2.1.1
[INFO] [stderr]   Downloaded aes v0.6.0
[INFO] [stderr]   Downloaded libc v0.2.87
[INFO] [stderr]   Downloaded cotton v0.0.6
[INFO] [stderr]   Downloaded crossterm_utils v0.2.4
[INFO] [stderr]   Downloaded bincode v1.3.2
[INFO] [stderr]   Downloaded shared_child v0.3.4
[INFO] [stderr]   Downloaded skeptic v0.13.3
[INFO] [stderr]   Downloaded crossterm_winapi v0.1.5
[INFO] [stderr]   Downloaded async-rustls v0.2.0
[INFO] [stderr]   Downloaded aes-gcm v0.8.0
[INFO] [stderr]   Downloaded sval v1.0.0-alpha.5
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded duct v0.13.3
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] [stderr]   Downloaded problem v5.2.0
[INFO] [stderr]   Downloaded qr2term v0.1.4
[INFO] [stderr]   Downloaded qrcode v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 322890dee3168158690213fbd404280539790f7b2c39a4537cb8c0ce515c6f7a
[INFO] running `Command { std: "docker" "start" "-a" "322890dee3168158690213fbd404280539790f7b2c39a4537cb8c0ce515c6f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "322890dee3168158690213fbd404280539790f7b2c39a4537cb8c0ce515c6f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322890dee3168158690213fbd404280539790f7b2c39a4537cb8c0ce515c6f7a", kill_on_drop: false }`
[INFO] [stdout] 322890dee3168158690213fbd404280539790f7b2c39a4537cb8c0ce515c6f7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] fd1f8d0f3e275499757dbf19cfef229999e711b3a463be4248e738476c921145
[INFO] running `Command { std: "docker" "start" "-a" "fd1f8d0f3e275499757dbf19cfef229999e711b3a463be4248e738476c921145", 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" "fd1f8d0f3e275499757dbf19cfef229999e711b3a463be4248e738476c921145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1f8d0f3e275499757dbf19cfef229999e711b3a463be4248e738476c921145", kill_on_drop: false }`
[INFO] [stdout] fd1f8d0f3e275499757dbf19cfef229999e711b3a463be4248e738476c921145