[INFO] cloning repository https://github.com/remexre/neuroflap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/neuroflap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fneuroflap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fneuroflap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc69c44c35c331589d21058682ca9a5f037a5530
[INFO] checking remexre/neuroflap against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fneuroflap" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remexre/neuroflap on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/remexre/neuroflap
[INFO] finished tweaking git repo https://github.com/remexre/neuroflap
[INFO] tweaked toml for git repo https://github.com/remexre/neuroflap written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/remexre/neuroflap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c61d2d004dfe48cdb103a391fe9b9ae47a988da2b9561a7ea645ba92cc5b3401
[INFO] running `Command { std: "docker" "start" "-a" "c61d2d004dfe48cdb103a391fe9b9ae47a988da2b9561a7ea645ba92cc5b3401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c61d2d004dfe48cdb103a391fe9b9ae47a988da2b9561a7ea645ba92cc5b3401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61d2d004dfe48cdb103a391fe9b9ae47a988da2b9561a7ea645ba92cc5b3401", kill_on_drop: false }`
[INFO] [stdout] c61d2d004dfe48cdb103a391fe9b9ae47a988da2b9561a7ea645ba92cc5b3401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f76f0c3bb71dac6d7b37728a7cb9a83f72a519909f964fe425327b3907cccb6
[INFO] running `Command { std: "docker" "start" "-a" "3f76f0c3bb71dac6d7b37728a7cb9a83f72a519909f964fe425327b3907cccb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.0
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling vulkano v0.9.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking vk-sys v0.3.3
[INFO] [stderr]     Checking serde v1.0.36
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking futures v0.1.20
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]     Checking half v1.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking strum v0.9.0
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking chrono v0.4.1
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.4
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking tempfile v3.0.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking Inflector v0.11.2
[INFO] [stderr]     Checking stderrlog v0.3.1-pre (https://github.com/cardoe/stderrlog-rs.git#d77216f9)
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.11.11/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="aster"' --cfg 'feature="default"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="quote"' --cfg 'feature="synom"' --cfg 'feature="unicode-xid"' --cfg 'feature="visit"' -C metadata=87fede303a892efb -C extra-filename=-87fede303a892efb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-b2c35a218d36bb02.rmeta --extern synom=/opt/rustwide/target/debug/deps/libsynom-4b1c9bdcc8c8e2e4.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-cd1c3572c9c6f6da.rmeta --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" "3f76f0c3bb71dac6d7b37728a7cb9a83f72a519909f964fe425327b3907cccb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f76f0c3bb71dac6d7b37728a7cb9a83f72a519909f964fe425327b3907cccb6", kill_on_drop: false }`
[INFO] [stdout] 3f76f0c3bb71dac6d7b37728a7cb9a83f72a519909f964fe425327b3907cccb6