[INFO] cloning repository https://github.com/mbr/humblegen-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbr/humblegen-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbr%2Fhumblegen-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbr%2Fhumblegen-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85022454f5bf4d2bb6b2767b59c899401fe79178
[INFO] checking mbr/humblegen-rs against master#bdcb6a99e853732f8ec050ae4986aa3af51d44c5 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbr%2Fhumblegen-rs" "/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/mbr/humblegen-rs on toolchain bdcb6a99e853732f8ec050ae4986aa3af51d44c5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mbr/humblegen-rs
[INFO] finished tweaking git repo https://github.com/mbr/humblegen-rs
[INFO] tweaked toml for git repo https://github.com/mbr/humblegen-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mbr/humblegen-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20984c315db6e01468578760034dc8f0cd5058271e217b43c868399daaadf94c
[INFO] running `Command { std: "docker" "start" "-a" "20984c315db6e01468578760034dc8f0cd5058271e217b43c868399daaadf94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20984c315db6e01468578760034dc8f0cd5058271e217b43c868399daaadf94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20984c315db6e01468578760034dc8f0cd5058271e217b43c868399daaadf94c", kill_on_drop: false }`
[INFO] [stdout] 20984c315db6e01468578760034dc8f0cd5058271e217b43c868399daaadf94c
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+bdcb6a99e853732f8ec050ae4986aa3af51d44c5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6914dc2705cdfc462f462941a0c501bf8e974572f494c2455df3cee01971ba2f
[INFO] running `Command { std: "docker" "start" "-a" "6914dc2705cdfc462f462941a0c501bf8e974572f494c2455df3cee01971ba2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[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-0.6.20/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=5c08a4d3c6c61bf2 -C extra-filename=-5c08a4d3c6c61bf2 --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" "6914dc2705cdfc462f462941a0c501bf8e974572f494c2455df3cee01971ba2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6914dc2705cdfc462f462941a0c501bf8e974572f494c2455df3cee01971ba2f", kill_on_drop: false }`
[INFO] [stdout] 6914dc2705cdfc462f462941a0c501bf8e974572f494c2455df3cee01971ba2f