[INFO] cloning repository https://github.com/wabain/rstarc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wabain/rstarc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwabain%2Frstarc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwabain%2Frstarc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23eaa46d645db49f6da854e558b4a9b8adc25f3c
[INFO] checking wabain/rstarc against try#9b06ec641f3d05c126a54ceadba42a64366f72b4 for pr-95755
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwabain%2Frstarc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wabain/rstarc on toolchain 9b06ec641f3d05c126a54ceadba42a64366f72b4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wabain/rstarc
[INFO] finished tweaking git repo https://github.com/wabain/rstarc
[INFO] tweaked toml for git repo https://github.com/wabain/rstarc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/wabain/rstarc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f180d2c85a5e964edece2e88d634eae453059367f5322490db3bf0af25ddf3a1
[INFO] running `Command { std: "docker" "start" "-a" "f180d2c85a5e964edece2e88d634eae453059367f5322490db3bf0af25ddf3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f180d2c85a5e964edece2e88d634eae453059367f5322490db3bf0af25ddf3a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f180d2c85a5e964edece2e88d634eae453059367f5322490db3bf0af25ddf3a1", kill_on_drop: false }`
[INFO] [stdout] f180d2c85a5e964edece2e88d634eae453059367f5322490db3bf0af25ddf3a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+9b06ec641f3d05c126a54ceadba42a64366f72b4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f45f03e65def2dcbf1d367c90599949f6a2f1b9ddc4e2bbfdd4cc796c55af1e9
[INFO] running `Command { std: "docker" "start" "-a" "f45f03e65def2dcbf1d367c90599949f6a2f1b9ddc4e2bbfdd4cc796c55af1e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling lalrpop-util v0.16.1
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking rstarc_types v0.1.0 (/opt/rustwide/workdir/crates/rstarc_types)
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling block-padding v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling quote v0.5.2
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.5.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=976bb9b84fe0b958 -C extra-filename=-976bb9b84fe0b958 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-409a4dac3dbdbcb9.rmeta --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" "f45f03e65def2dcbf1d367c90599949f6a2f1b9ddc4e2bbfdd4cc796c55af1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45f03e65def2dcbf1d367c90599949f6a2f1b9ddc4e2bbfdd4cc796c55af1e9", kill_on_drop: false }`
[INFO] [stdout] f45f03e65def2dcbf1d367c90599949f6a2f1b9ddc4e2bbfdd4cc796c55af1e9