[INFO] updating cached repository https://github.com/AlexanderThaller/syncust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 201c5d22fa14c400ed551c59be9a463fb49d6c59
[INFO] checking AlexanderThaller/syncust against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexanderThaller%2Fsyncust" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexanderThaller/syncust on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/AlexanderThaller/syncust
[INFO] finished tweaking git repo https://github.com/AlexanderThaller/syncust
[INFO] tweaked toml for git repo https://github.com/AlexanderThaller/syncust written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexanderThaller/syncust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c8d14bbd6b974e56cde518e3ccf835cadf4944ecc4b2b60122c983416acc6fcf
[INFO] running `"docker" "start" "-a" "c8d14bbd6b974e56cde518e3ccf835cadf4944ecc4b2b60122c983416acc6fcf"`
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking memoffset v0.1.0
[INFO] [stderr]    Compiling syntex_pos v0.58.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]     Checking arrayvec v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.1
[INFO] [stderr]     Checking walkdir v2.0.1
[INFO] [stderr]     Checking clap v2.29.1
[INFO] [stderr]     Checking simplelog v0.4.4
[INFO] [stderr]    Compiling syntex_errors v0.58.1
[INFO] [stderr]     Checking crossbeam-epoch v0.2.0
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.2.10
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking sha2 v0.7.0
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]    Compiling syntex_syntax v0.58.1
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.1.2
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling syntex v0.58.1
[INFO] [stderr]    Compiling aster v0.41.0
[INFO] [stderr]    Compiling quasi v0.32.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling quasi_codegen v0.32.0
[INFO] [stderr]    Compiling bindgen v0.29.1
[INFO] [stderr]    Compiling librocksdb-sys v5.7.1
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "c8d14bbd6b974e56cde518e3ccf835cadf4944ecc4b2b60122c983416acc6fcf"`
[INFO] running `"docker" "rm" "-f" "c8d14bbd6b974e56cde518e3ccf835cadf4944ecc4b2b60122c983416acc6fcf"`
[INFO] [stdout] c8d14bbd6b974e56cde518e3ccf835cadf4944ecc4b2b60122c983416acc6fcf