[INFO] cloning repository https://github.com/flutter-rs/flutter-video-plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flutter-rs/flutter-video-plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflutter-rs%2Fflutter-video-plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflutter-rs%2Fflutter-video-plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99b6133b8cdee38432d45c762c12318818ff1ad7
[INFO] checking flutter-rs/flutter-video-plugin against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflutter-rs%2Fflutter-video-plugin" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flutter-rs/flutter-video-plugin on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flutter-rs/flutter-video-plugin
[INFO] finished tweaking git repo https://github.com/flutter-rs/flutter-video-plugin
[INFO] tweaked toml for git repo https://github.com/flutter-rs/flutter-video-plugin written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/flutter-rs/flutter-video-plugin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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/rust-av/av-vorbis`
[INFO] [stderr]     Updating git repository `https://github.com/rustaudio/cpal`
[INFO] [stderr]     Updating git repository `https://github.com/rust-av/opus-rs`
[INFO] [stderr]     Updating git repository `https://github.com/rust-av/vpx-rs`
[INFO] [stderr]     Updating git repository `https://github.com/rust-av/matroska`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-scanner v0.23.6
[INFO] [stderr]   Downloaded calloop v0.4.4
[INFO] [stderr]   Downloaded wayland-commons v0.23.6
[INFO] [stderr]   Downloaded wayland-protocols v0.23.6
[INFO] [stderr]   Downloaded gl v0.14.0
[INFO] [stderr]   Downloaded priority-queue v0.7.0
[INFO] [stderr]   Downloaded once_cell v1.3.1
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded thiserror v1.0.10
[INFO] [stderr]   Downloaded async-task v1.3.0
[INFO] [stderr]   Downloaded coreaudio-rs v0.9.1
[INFO] [stderr]   Downloaded ogg v0.7.0
[INFO] [stderr]   Downloaded bindgen v0.51.1
[INFO] [stderr]   Downloaded lewton v0.9.4
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded backtrace v0.3.42
[INFO] [stderr]   Downloaded wayland-sys v0.23.6
[INFO] [stderr]   Downloaded copypasta v0.6.2
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.3
[INFO] [stderr]   Downloaded instant v0.1.2
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded locale_config v0.3.0
[INFO] [stderr]   Downloaded async-std v1.4.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.10
[INFO] [stderr]   Downloaded tinyfiledialogs v3.3.9
[INFO] [stderr]   Downloaded smithay-clipboard v0.3.6
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
[INFO] [stderr]   Downloaded xcb v0.9.0
[INFO] [stderr]   Downloaded unic-locale v0.7.1
[INFO] [stderr]   Downloaded av-bitstream v0.1.0
[INFO] [stderr]   Downloaded av-data v0.2.0
[INFO] [stderr]   Downloaded unic-locale-impl v0.7.1
[INFO] [stderr]   Downloaded circular v0.3.0
[INFO] [stderr]   Downloaded av-format v0.2.0
[INFO] [stderr]   Downloaded tinystr v0.3.2
[INFO] [stderr]   Downloaded wayland-client v0.23.6
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded rusttype v0.8.2
[INFO] [stderr]   Downloaded stb_truetype v0.3.1
[INFO] [stderr]   Downloaded bindgen v0.52.0
[INFO] [stderr]   Downloaded cookie-factory v0.3.0
[INFO] [stderr]   Downloaded image v0.22.4
[INFO] [stderr]   Downloaded downcast-rs v1.1.1
[INFO] [stderr]   Downloaded png v0.15.3
[INFO] [stderr]   Downloaded which v3.1.0
[INFO] [stderr]   Downloaded x11-clipboard v0.5.1
[INFO] [stderr]   Downloaded rusttype v0.7.9
[INFO] [stderr]   Downloaded tiff v0.3.1
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded aho-corasick v0.7.7
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded rustc-hash v1.0.1
[INFO] [stderr]   Downloaded stdweb v0.1.3
[INFO] [stderr]   Downloaded num_enum v0.2.3
[INFO] [stderr]   Downloaded indexmap v1.3.1
[INFO] [stderr]   Downloaded futures-task v0.3.1
[INFO] [stderr]   Downloaded clipboard-win v2.2.0
[INFO] [stderr]   Downloaded serde_json v1.0.45
[INFO] [stderr]   Downloaded unic-langid-impl v0.7.2
[INFO] [stderr]   Downloaded cocoa v0.19.1
[INFO] [stderr]   Downloaded core-video-sys v0.1.3
[INFO] [stderr]   Downloaded av-codec v0.2.0
[INFO] [stderr]   Downloaded dispatch v0.1.4
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.4
[INFO] [stderr]   Downloaded err-derive v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16ec36ae11e68463b876b2343972ea4f81c6eb78a14aa976135d12cfdc7e28c8
[INFO] running `Command { std: "docker" "start" "-a" "16ec36ae11e68463b876b2343972ea4f81c6eb78a14aa976135d12cfdc7e28c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16ec36ae11e68463b876b2343972ea4f81c6eb78a14aa976135d12cfdc7e28c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ec36ae11e68463b876b2343972ea4f81c6eb78a14aa976135d12cfdc7e28c8", kill_on_drop: false }`
[INFO] [stdout] 16ec36ae11e68463b876b2343972ea4f81c6eb78a14aa976135d12cfdc7e28c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e597df069ebe0a35c884e52165e472d96301e012ecb203a78fc60b9b133e58ff
[INFO] running `Command { std: "docker" "start" "-a" "e597df069ebe0a35c884e52165e472d96301e012ecb203a78fc60b9b133e58ff", 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" "e597df069ebe0a35c884e52165e472d96301e012ecb203a78fc60b9b133e58ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e597df069ebe0a35c884e52165e472d96301e012ecb203a78fc60b9b133e58ff", kill_on_drop: false }`
[INFO] [stdout] e597df069ebe0a35c884e52165e472d96301e012ecb203a78fc60b9b133e58ff