[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 try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fneuroflap" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/remexre/neuroflap on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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-12/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--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/cardoe/stderrlog-rs.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vulkano-win v0.9.0
[INFO] [stderr]   Downloaded derive_more v0.9.0
[INFO] [stderr]   Downloaded half v1.1.0
[INFO] [stderr]   Downloaded atomicwrites v0.2.1
[INFO] [stderr]   Downloaded vulkano-shader-derive v0.9.0
[INFO] [stderr]   Downloaded Inflector v0.11.2
[INFO] [stderr]   Downloaded vulkano-shaders v0.9.0
[INFO] [stderr]   Downloaded vulkano v0.9.0
[INFO] [stderr]   Downloaded glsl-to-spirv v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38e4443b3c1e032035bcc71e856b8ec6a7082e7f4bca2452170eae4ecc0395e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "38e4443b3c1e032035bcc71e856b8ec6a7082e7f4bca2452170eae4ecc0395e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38e4443b3c1e032035bcc71e856b8ec6a7082e7f4bca2452170eae4ecc0395e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e4443b3c1e032035bcc71e856b8ec6a7082e7f4bca2452170eae4ecc0395e9", kill_on_drop: false }`
[INFO] [stdout] 38e4443b3c1e032035bcc71e856b8ec6a7082e7f4bca2452170eae4ecc0395e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f11fdbb56be50366cc709b9113a84208eed81b8a7b5bdd8cb462db65082c4e5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f11fdbb56be50366cc709b9113a84208eed81b8a7b5bdd8cb462db65082c4e5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]     Checking remove_dir_all v0.5.0
[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 serde v1.0.36
[INFO] [stderr]     Checking futures v0.1.20
[INFO] [stderr]     Checking half v1.1.0
[INFO] [stderr]     Checking vk-sys v0.3.3
[INFO] [stderr]     Checking strum v0.9.0
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking chrono v0.4.1
[INFO] [stderr]     Checking tempfile v3.0.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.4
[INFO] [stderr]     Checking stderrlog v0.3.1-pre (https://github.com/cardoe/stderrlog-rs.git#d77216f9)
[INFO] [stderr]     Checking Inflector v0.11.2
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling strum_macros v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking atomicwrites v0.2.1
[INFO] [stderr]    Compiling serde_derive_internals v0.22.2
[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-0.12.15/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=0daeacdb51106718 -C extra-filename=-0daeacdb51106718 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a8a8092f3366e8a5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-26e7a028e0679c77.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-f9d9fe975bfe7d9a.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" "f11fdbb56be50366cc709b9113a84208eed81b8a7b5bdd8cb462db65082c4e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11fdbb56be50366cc709b9113a84208eed81b8a7b5bdd8cb462db65082c4e5d", kill_on_drop: false }`
[INFO] [stdout] f11fdbb56be50366cc709b9113a84208eed81b8a7b5bdd8cb462db65082c4e5d