[INFO] cloning repository https://github.com/mynz/ness
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mynz/ness" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmynz%2Fness", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmynz%2Fness'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d82c53f4a54b5b105fb1f2f948f21d95d7620236
[INFO] checking mynz/ness against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmynz%2Fness" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mynz/ness on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mynz/ness
[INFO] finished tweaking git repo https://github.com/mynz/ness
[INFO] tweaked toml for git repo https://github.com/mynz/ness written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mynz/ness already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gilrs-core v0.2.3
[INFO] [stderr]   Downloaded ncollide2d v0.19.2
[INFO] [stderr]   Downloaded quicksilver v0.3.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bfee79e0f98f99fcf05136c1c3eab635d317cdf0d476ea5cf0f9fb41acc829f
[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" "2bfee79e0f98f99fcf05136c1c3eab635d317cdf0d476ea5cf0f9fb41acc829f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bfee79e0f98f99fcf05136c1c3eab635d317cdf0d476ea5cf0f9fb41acc829f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfee79e0f98f99fcf05136c1c3eab635d317cdf0d476ea5cf0f9fb41acc829f", kill_on_drop: false }`
[INFO] [stdout] 2bfee79e0f98f99fcf05136c1c3eab635d317cdf0d476ea5cf0f9fb41acc829f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad5be1233b26e3db8b24b0506bf7aaa7286d2c0990656cf7821a5418fea28517
[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" "ad5be1233b26e3db8b24b0506bf7aaa7286d2c0990656cf7821a5418fea28517", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]    Compiling syn v1.0.4
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking claxon v0.3.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking immi v1.0.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[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-0.15.44/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=88571a1240ae2e02 -C extra-filename=-88571a1240ae2e02 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-50111b8f7188482d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4972d66cc4bf7970.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a81338cd23b23cba.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (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" "ad5be1233b26e3db8b24b0506bf7aaa7286d2c0990656cf7821a5418fea28517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad5be1233b26e3db8b24b0506bf7aaa7286d2c0990656cf7821a5418fea28517", kill_on_drop: false }`
[INFO] [stdout] ad5be1233b26e3db8b24b0506bf7aaa7286d2c0990656cf7821a5418fea28517