[INFO] fetching crate gyms 0.1.0...
[INFO] checking gyms-0.1.0 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate gyms 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gyms 0.1.0 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gyms 0.1.0
[INFO] finished tweaking crates.io crate gyms 0.1.0
[INFO] tweaked toml for crates.io crate gyms 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate gyms 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_str_macro v1.0.2
[INFO] [stderr]   Downloaded viuer v0.4.0
[INFO] [stderr]   Downloaded gym-core v0.1.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.0
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded atari-env-sys v0.1.0
[INFO] [stderr]   Downloaded atari-env v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39c172c54834de97ee1ce5ee881f894b584bdd03b3ad24c05ffe1fc96c6c4fa3
[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" "39c172c54834de97ee1ce5ee881f894b584bdd03b3ad24c05ffe1fc96c6c4fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c172c54834de97ee1ce5ee881f894b584bdd03b3ad24c05ffe1fc96c6c4fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c172c54834de97ee1ce5ee881f894b584bdd03b3ad24c05ffe1fc96c6c4fa3", kill_on_drop: false }`
[INFO] [stdout] 39c172c54834de97ee1ce5ee881f894b584bdd03b3ad24c05ffe1fc96c6c4fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87285f1a59f979a1c3fc110a8e110cb6028869fd01529d8dd883b19bf586df71
[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" "87285f1a59f979a1c3fc110a8e110cb6028869fd01529d8dd883b19bf586df71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling khronos-egl v3.0.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling wide v0.4.6
[INFO] [stderr]     Checking glow v0.7.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking pollster v0.2.2
[INFO] [stderr]     Checking c_str_macro v1.0.2
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking matrixmultiply v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling wgpu-core v0.7.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling clang-sys v1.1.1
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking wgpu-types v0.7.0
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking ultraviolet v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[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-1.0.65/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"' --cfg 'feature="visit-mut"' -C metadata=b064ce4678d8fcc5 -C extra-filename=-b064ce4678d8fcc5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-224677e73985df77.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0afeb380bd68c843.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" "87285f1a59f979a1c3fc110a8e110cb6028869fd01529d8dd883b19bf586df71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87285f1a59f979a1c3fc110a8e110cb6028869fd01529d8dd883b19bf586df71", kill_on_drop: false }`
[INFO] [stdout] 87285f1a59f979a1c3fc110a8e110cb6028869fd01529d8dd883b19bf586df71