[INFO] cloning repository https://github.com/dvc94ch/flutter-qrcode-plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dvc94ch/flutter-qrcode-plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-qrcode-plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-qrcode-plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b27d44f6377898fd8d668f6167d85496dfbc1484
[INFO] checking dvc94ch/flutter-qrcode-plugin against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-qrcode-plugin" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvc94ch/flutter-qrcode-plugin on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dvc94ch/flutter-qrcode-plugin
[INFO] finished tweaking git repo https://github.com/dvc94ch/flutter-qrcode-plugin
[INFO] tweaked toml for git repo https://github.com/dvc94ch/flutter-qrcode-plugin written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/dvc94ch/flutter-qrcode-plugin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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/flutter-rs/flutter-rs`
[INFO] [stderr]     Updating git repository `https://github.com/dvc94ch/glutin`
[INFO] [stderr]     Updating git repository `https://github.com/dvc94ch/winit`
[INFO] [stderr]     Updating git repository `https://github.com/rust-windowing/android-ndk-rs`
[INFO] [stderr]     Updating git repository `https://github.com/rust-windowing/android-rs-glue`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpp_macros v0.5.4
[INFO] [stderr]   Downloaded cpp v0.5.4
[INFO] [stderr]   Downloaded cpp_common v0.5.4
[INFO] [stderr]   Downloaded which v3.1.0
[INFO] [stderr]   Downloaded core-video-sys v0.1.3
[INFO] [stderr]   Downloaded async-std v1.4.0
[INFO] [stderr]   Downloaded async-task v1.3.0
[INFO] [stderr]   Downloaded copypasta v0.6.2
[INFO] [stderr]   Downloaded cpp_build v0.5.4
[INFO] [stderr]   Downloaded priority-queue v0.7.0
[INFO] [stderr]   Downloaded num_enum v0.2.3
[INFO] [stderr]   Downloaded unic-langid-impl v0.7.2
[INFO] [stderr]   Downloaded opencv v0.29.0
[INFO] [stderr]   Downloaded unic-locale v0.7.1
[INFO] [stderr]   Downloaded unic-locale-impl v0.7.1
[INFO] [stderr]   Downloaded locale_config v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cecc590864f3e5f8bd63f1d8a06cdb7824676066b7724e9725de4c0b08f06d7
[INFO] running `Command { std: "docker" "start" "-a" "5cecc590864f3e5f8bd63f1d8a06cdb7824676066b7724e9725de4c0b08f06d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cecc590864f3e5f8bd63f1d8a06cdb7824676066b7724e9725de4c0b08f06d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cecc590864f3e5f8bd63f1d8a06cdb7824676066b7724e9725de4c0b08f06d7", kill_on_drop: false }`
[INFO] [stdout] 5cecc590864f3e5f8bd63f1d8a06cdb7824676066b7724e9725de4c0b08f06d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74eeaa7766726f70c0ab10dc4d8056266b81ccde7a31140c7715c180c53f36f4
[INFO] running `Command { std: "docker" "start" "-a" "74eeaa7766726f70c0ab10dc4d8056266b81ccde7a31140c7715c180c53f36f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]     Checking tinystr v0.3.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.7
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking async-task v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.14/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=322723a608f61e50 -C extra-filename=-322723a608f61e50 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "74eeaa7766726f70c0ab10dc4d8056266b81ccde7a31140c7715c180c53f36f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74eeaa7766726f70c0ab10dc4d8056266b81ccde7a31140c7715c180c53f36f4", kill_on_drop: false }`
[INFO] [stdout] 74eeaa7766726f70c0ab10dc4d8056266b81ccde7a31140c7715c180c53f36f4