[INFO] cloning repository https://github.com/zhiz-m/octave_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhiz-m/octave_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhiz-m%2Foctave_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhiz-m%2Foctave_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f28c208cdff36380a7991ed4bf69a46482777b8b
[INFO] checking zhiz-m/octave_rust against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhiz-m%2Foctave_rust" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhiz-m/octave_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/zhiz-m/octave_rust
[INFO] finished tweaking git repo https://github.com/zhiz-m/octave_rust
[INFO] tweaked toml for git repo https://github.com/zhiz-m/octave_rust written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/zhiz-m/octave_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]     Updating git repository `https://github.com/ramsayleung/rspotify`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.6.0
[INFO] [stderr]   Downloaded streamcatcher v0.1.0
[INFO] [stderr]   Downloaded serenity-voice-model v0.1.0
[INFO] [stderr]   Downloaded discortp v0.2.2
[INFO] [stderr]   Downloaded maybe-async v0.2.6
[INFO] [stderr]   Downloaded pnet_macros v0.26.0
[INFO] [stderr]   Downloaded command_attr v0.3.6
[INFO] [stderr]   Downloaded async-tungstenite v0.13.1
[INFO] [stderr]   Downloaded audiopus v0.2.0
[INFO] [stderr]   Downloaded songbird v0.1.6
[INFO] [stderr]   Downloaded pnet_macros_support v0.26.0
[INFO] [stderr]   Downloaded audiopus_sys v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] e840de0824d15b990ce2ff81a5b942abd8e8f5e9d0dbeeb6da353abe2fa47065
[INFO] running `Command { std: "docker" "start" "-a" "e840de0824d15b990ce2ff81a5b942abd8e8f5e9d0dbeeb6da353abe2fa47065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e840de0824d15b990ce2ff81a5b942abd8e8f5e9d0dbeeb6da353abe2fa47065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e840de0824d15b990ce2ff81a5b942abd8e8f5e9d0dbeeb6da353abe2fa47065", kill_on_drop: false }`
[INFO] [stdout] e840de0824d15b990ce2ff81a5b942abd8e8f5e9d0dbeeb6da353abe2fa47065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] c4c6b4f308c7eefd4562c8170da3aba26a69f12aee1bfc9ad37b1038191585eb
[INFO] running `Command { std: "docker" "start" "-a" "c4c6b4f308c7eefd4562c8170da3aba26a69f12aee1bfc9ad37b1038191585eb", 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" "c4c6b4f308c7eefd4562c8170da3aba26a69f12aee1bfc9ad37b1038191585eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c6b4f308c7eefd4562c8170da3aba26a69f12aee1bfc9ad37b1038191585eb", kill_on_drop: false }`
[INFO] [stdout] c4c6b4f308c7eefd4562c8170da3aba26a69f12aee1bfc9ad37b1038191585eb