[INFO] cloning repository https://github.com/NotLucaM/boids
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NotLucaM/boids" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotLucaM%2Fboids", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotLucaM%2Fboids'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 282073a5a3ae7e2bfda0d56a331bddaa4d91ccd3
[INFO] testing NotLucaM/boids against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotLucaM%2Fboids" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NotLucaM/boids on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NotLucaM/boids
[INFO] finished tweaking git repo https://github.com/NotLucaM/boids
[INFO] tweaked toml for git repo https://github.com/NotLucaM/boids written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/NotLucaM/boids already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 775c1b3340631f5db7103a6d8db7685470b64bf612e7dc97fa5ef35b1d069699
[INFO] running `Command { std: "docker" "start" "-a" "775c1b3340631f5db7103a6d8db7685470b64bf612e7dc97fa5ef35b1d069699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "775c1b3340631f5db7103a6d8db7685470b64bf612e7dc97fa5ef35b1d069699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775c1b3340631f5db7103a6d8db7685470b64bf612e7dc97fa5ef35b1d069699", kill_on_drop: false }`
[INFO] [stdout] 775c1b3340631f5db7103a6d8db7685470b64bf612e7dc97fa5ef35b1d069699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d25b6b36537c737eccd9d46a66d7d201ddcb1a8993eb360f2b399d4823af59e7
[INFO] running `Command { std: "docker" "start" "-a" "d25b6b36537c737eccd9d46a66d7d201ddcb1a8993eb360f2b399d4823af59e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ttf-parser v0.12.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling weezl v0.1.4
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling atomic_refcell v0.1.7
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling owned_ttf_parser v0.12.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling ab_glyph v0.2.10
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling euclid v0.22.2
[INFO] [stderr]    Compiling sid v0.6.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling ordered-float v2.1.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling glyph_brush_layout v0.2.1
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling lyon_geom v0.16.2
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling lyon_path v0.16.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.67/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="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=6593c70527c0549a -C extra-filename=-6593c70527c0549a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1a6a39c3cd9b115f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1be2cecfcfd4ab86.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-accda8c4d770d472.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" "d25b6b36537c737eccd9d46a66d7d201ddcb1a8993eb360f2b399d4823af59e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25b6b36537c737eccd9d46a66d7d201ddcb1a8993eb360f2b399d4823af59e7", kill_on_drop: false }`
[INFO] [stdout] d25b6b36537c737eccd9d46a66d7d201ddcb1a8993eb360f2b399d4823af59e7