[INFO] fetching crate nwr 0.5.7...
[INFO] building nwr-0.5.7 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate nwr 0.5.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nwr 0.5.7 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nwr 0.5.7
[INFO] finished tweaking crates.io crate nwr 0.5.7
[INFO] tweaked toml for crates.io crate nwr 0.5.7 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate nwr 0.5.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec6580321eb71f327dd73bfd8b8774b90243f3419bd51b6b1b50bf61f48d6947
[INFO] running `Command { std: "docker" "start" "-a" "ec6580321eb71f327dd73bfd8b8774b90243f3419bd51b6b1b50bf61f48d6947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec6580321eb71f327dd73bfd8b8774b90243f3419bd51b6b1b50bf61f48d6947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6580321eb71f327dd73bfd8b8774b90243f3419bd51b6b1b50bf61f48d6947", kill_on_drop: false }`
[INFO] [stdout] ec6580321eb71f327dd73bfd8b8774b90243f3419bd51b6b1b50bf61f48d6947
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0060dd1cf27c4e215c0331a8b21e54f896ed8476f728ade2d2577cd9fdc02bc7
[INFO] running `Command { std: "docker" "start" "-a" "0060dd1cf27c4e215c0331a8b21e54f896ed8476f728ade2d2577cd9fdc02bc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling bio v0.30.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[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 --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,link -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=c25dc19d7487cdf7 -C extra-filename=-c25dc19d7487cdf7 --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] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.73/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=8451de8edbca495a -C extra-filename=-8451de8edbca495a --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] running `Command { std: "docker" "inspect" "0060dd1cf27c4e215c0331a8b21e54f896ed8476f728ade2d2577cd9fdc02bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0060dd1cf27c4e215c0331a8b21e54f896ed8476f728ade2d2577cd9fdc02bc7", kill_on_drop: false }`
[INFO] [stdout] 0060dd1cf27c4e215c0331a8b21e54f896ed8476f728ade2d2577cd9fdc02bc7