[INFO] cloning repository https://github.com/Swampsoft/kerr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Swampsoft/kerr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwampsoft%2Fkerr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwampsoft%2Fkerr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c0ad69797980b0fab37b72c56875a86a1013c26
[INFO] testing Swampsoft/kerr against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwampsoft%2Fkerr" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Swampsoft/kerr on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Swampsoft/kerr
[INFO] finished tweaking git repo https://github.com/Swampsoft/kerr
[INFO] tweaked toml for git repo https://github.com/Swampsoft/kerr written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/Swampsoft/kerr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-set v0.2.0
[INFO] [stderr]   Downloaded minimp3 v0.3.0
[INFO] [stderr]   Downloaded specs-derive v0.2.0
[INFO] [stderr]   Downloaded hibitset v0.5.1
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded hid v0.2.0
[INFO] [stderr]   Downloaded twox-hash v1.1.1
[INFO] [stderr]   Downloaded mach v0.2.0
[INFO] [stderr]   Downloaded pkg-config v0.3.13
[INFO] [stderr]   Downloaded libusb-sys v0.2.3
[INFO] [stderr]   Downloaded specs v0.12.0
[INFO] [stderr]   Downloaded smallvec v0.6.3
[INFO] [stderr]   Downloaded rodio v0.8.0
[INFO] [stderr]   Downloaded minimp3-sys v0.3.0
[INFO] [stderr]   Downloaded hidapi-sys v0.1.4
[INFO] [stderr]   Downloaded steamy-controller v0.2.1
[INFO] [stderr]   Downloaded slice-deque v0.1.11
[INFO] [stderr]   Downloaded ambisonic v0.2.1
[INFO] [stderr]   Downloaded libusb v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 672ad103ed93a15a70e0cea8c41f2a8cdf4177f0fdd2bfd2ff8b9895f15afa3f
[INFO] running `Command { std: "docker" "start" "-a" "672ad103ed93a15a70e0cea8c41f2a8cdf4177f0fdd2bfd2ff8b9895f15afa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "672ad103ed93a15a70e0cea8c41f2a8cdf4177f0fdd2bfd2ff8b9895f15afa3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672ad103ed93a15a70e0cea8c41f2a8cdf4177f0fdd2bfd2ff8b9895f15afa3f", kill_on_drop: false }`
[INFO] [stdout] 672ad103ed93a15a70e0cea8c41f2a8cdf4177f0fdd2bfd2ff8b9895f15afa3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99f5c711c279838bc6fbd3c2f1d0e7526a726bbe77b72a9ecfcf25143f932f59
[INFO] running `Command { std: "docker" "start" "-a" "99f5c711c279838bc6fbd3c2f1d0e7526a726bbe77b72a9ecfcf25143f932f59", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling claxon v0.3.1
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling xdg v2.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling ogg v0.4.1
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]    Compiling app_dirs2 v2.0.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling minimp3-sys v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling slice-deque v0.1.11
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling lewton v0.5.2
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[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-0.10.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="aster"' --cfg 'feature="default"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="quote"' --cfg 'feature="unicode-xid"' --cfg 'feature="visit"' -C metadata=a234a53936749d7c -C extra-filename=-a234a53936749d7c --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 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" "99f5c711c279838bc6fbd3c2f1d0e7526a726bbe77b72a9ecfcf25143f932f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f5c711c279838bc6fbd3c2f1d0e7526a726bbe77b72a9ecfcf25143f932f59", kill_on_drop: false }`
[INFO] [stdout] 99f5c711c279838bc6fbd3c2f1d0e7526a726bbe77b72a9ecfcf25143f932f59