[INFO] updating cached repository https://github.com/hacknyu/aletheia
[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] 68cf1a6998b11d5d06690b85c25113917a2e46c5
[INFO] checking hacknyu/aletheia against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhacknyu%2Faletheia" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hacknyu/aletheia on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hacknyu/aletheia
[INFO] finished tweaking git repo https://github.com/hacknyu/aletheia
[INFO] tweaked toml for git repo https://github.com/hacknyu/aletheia written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/hacknyu/aletheia already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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] b350f987beb1ecd1e091b64f8ceede6caab5583d70f4fe93f261f55fb4b30ad7
[INFO] running `"docker" "start" "-a" "b350f987beb1ecd1e091b64f8ceede6caab5583d70f4fe93f261f55fb4b30ad7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v0.6.12
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[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]    Compiling rusoto_core v0.37.0
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking buf_redux v0.8.1
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]    Compiling diesel-derive-enum v0.4.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking regex v1.1.9
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
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[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking inotify-sys v0.1.3
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[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking signal-hook v0.1.9
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.2.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clap v2.33.0
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[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking notify v4.0.12
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.1
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking toml v0.4.10
[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-0.14.9/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=1de422cf7b58b312 -C extra-filename=-1de422cf7b58b312 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68dd0e0b44337f99.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5b506f22a4f2d88d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-8837a0aeccce1a2d.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-0.15.39/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="fold"' --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=a3f91cb40f642ad2 -C extra-filename=-a3f91cb40f642ad2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-68dd0e0b44337f99.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5b506f22a4f2d88d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-8837a0aeccce1a2d.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 `"docker" "inspect" "b350f987beb1ecd1e091b64f8ceede6caab5583d70f4fe93f261f55fb4b30ad7"`
[INFO] running `"docker" "rm" "-f" "b350f987beb1ecd1e091b64f8ceede6caab5583d70f4fe93f261f55fb4b30ad7"`
[INFO] [stdout] b350f987beb1ecd1e091b64f8ceede6caab5583d70f4fe93f261f55fb4b30ad7