[INFO] cloning repository https://github.com/LiptonB/building-git
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiptonB/building-git" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiptonB%2Fbuilding-git", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiptonB%2Fbuilding-git'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e88c1a3c5fa909c18dd4ad062a37219850a3e6bb
[INFO] checking LiptonB/building-git against master#9a42c6509d399fd205917ebce474b31315c5d3e9 for pr-97427
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiptonB%2Fbuilding-git" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LiptonB/building-git on toolchain 9a42c6509d399fd205917ebce474b31315c5d3e9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LiptonB/building-git
[INFO] finished tweaking git repo https://github.com/LiptonB/building-git
[INFO] tweaked toml for git repo https://github.com/LiptonB/building-git written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/LiptonB/building-git already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cookie-factory v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2552e4b1a9df03c585507201b4452b171bfa7fb354086ae03c447794f3a83e03
[INFO] running `Command { std: "docker" "start" "-a" "2552e4b1a9df03c585507201b4452b171bfa7fb354086ae03c447794f3a83e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2552e4b1a9df03c585507201b4452b171bfa7fb354086ae03c447794f3a83e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2552e4b1a9df03c585507201b4452b171bfa7fb354086ae03c447794f3a83e03", kill_on_drop: false }`
[INFO] [stdout] 2552e4b1a9df03c585507201b4452b171bfa7fb354086ae03c447794f3a83e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7cbaf35754e4cd5890ff8f475c23fba9834dc957c081bd7c7437bbab294c81c
[INFO] running `Command { std: "docker" "start" "-a" "d7cbaf35754e4cd5890ff8f475c23fba9834dc957c081bd7c7437bbab294c81c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking cookie-factory v0.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d7cbaf35754e4cd5890ff8f475c23fba9834dc957c081bd7c7437bbab294c81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7cbaf35754e4cd5890ff8f475c23fba9834dc957c081bd7c7437bbab294c81c", kill_on_drop: false }`
[INFO] [stdout] d7cbaf35754e4cd5890ff8f475c23fba9834dc957c081bd7c7437bbab294c81c