[INFO] updating cached repository https://github.com/Aaronepower/tokei_rs
[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] 82c9b3ee2decb4dcd9157d32827d379163ebddae
[INFO] checking Aaronepower/tokei_rs against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaronepower%2Ftokei_rs" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aaronepower/tokei_rs on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Aaronepower/tokei_rs
[INFO] finished tweaking git repo https://github.com/Aaronepower/tokei_rs
[INFO] tweaked toml for git repo https://github.com/Aaronepower/tokei_rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Aaronepower/tokei_rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7e8f791fb9c0926faca3642879b43877d496d494116bd222a325c1f24e6cab0a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7e8f791fb9c0926faca3642879b43877d496d494116bd222a325c1f24e6cab0a"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.29
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking log v0.3.9
[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 walkdir v2.2.8
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dirs-sys v0.3.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking bstr v0.2.1
[INFO] [stderr]     Checking grep-matcher v0.1.2
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking encoding_rs_io v0.1.6
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking grep-searcher v0.1.5
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking badge v0.2.0
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.1
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking r2d2 v0.8.7
[INFO] [stderr]    Compiling synstructure v0.12.1
[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-1.0.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=3cf9bb7fc91eb3b7 -C extra-filename=-3cf9bb7fc91eb3b7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a362dac19cf9690a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-198d7a48bc0db425.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-0c9f9630c4a22aea.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 `"docker" "inspect" "7e8f791fb9c0926faca3642879b43877d496d494116bd222a325c1f24e6cab0a"`
[INFO] running `"docker" "rm" "-f" "7e8f791fb9c0926faca3642879b43877d496d494116bd222a325c1f24e6cab0a"`
[INFO] [stdout] 7e8f791fb9c0926faca3642879b43877d496d494116bd222a325c1f24e6cab0a