[INFO] updating cached repository https://github.com/nstoddard/ca-3d
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0cf1861162691ca5b168afec0820b3095e2a5d4d
[INFO] checking nstoddard/ca-3d against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnstoddard%2Fca-3d" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nstoddard/ca-3d on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nstoddard/ca-3d
[INFO] finished tweaking git repo https://github.com/nstoddard/ca-3d
[INFO] tweaked toml for git repo https://github.com/nstoddard/ca-3d written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nstoddard/ca-3d already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32a8175c4624cce98538da71b3a36ce553f0642cb575d292bab3fe90c2d273bf
[INFO] running `"docker" "start" "-a" "32a8175c4624cce98538da71b3a36ce553f0642cb575d292bab3fe90c2d273bf"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.41
[INFO] [stderr]    Compiling bumpalo v2.3.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.41
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cgmath v0.17.0 (https://github.com/rustgd/cgmath#93786bfc)
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking uid v0.1.4
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]     Checking collect-mac v0.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]     Checking itertools v0.8.0
[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 backtrace v0.3.15
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.41
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.41
[INFO] [stderr] error: could not compile `synstructure`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name synstructure /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/synstructure-0.10.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C opt-level=2 -C debuginfo=2 -C debug-assertions=on -C metadata=d8cb7c0008444591 -C extra-filename=-d8cb7c0008444591 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5bb1654b7c4b9db9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fcf661bba7749edc.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-96925d203d9f3928.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5edd3463f548f93e.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: 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-0.15.30/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C opt-level=2 -C debuginfo=2 -C debug-assertions=on --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=96925d203d9f3928 -C extra-filename=-96925d203d9f3928 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5bb1654b7c4b9db9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fcf661bba7749edc.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-5edd3463f548f93e.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_use_thread_id --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 `"docker" "inspect" "32a8175c4624cce98538da71b3a36ce553f0642cb575d292bab3fe90c2d273bf"`
[INFO] running `"docker" "rm" "-f" "32a8175c4624cce98538da71b3a36ce553f0642cb575d292bab3fe90c2d273bf"`
[INFO] [stdout] 32a8175c4624cce98538da71b3a36ce553f0642cb575d292bab3fe90c2d273bf