[INFO] fetching crate jex 0.2.0...
[INFO] checking jex-0.2.0 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate jex 0.2.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate jex 0.2.0 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jex 0.2.0
[INFO] finished tweaking crates.io crate jex 0.2.0
[INFO] tweaked toml for crates.io crate jex 0.2.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate jex 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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 bit-set v0.5.2
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.1
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.14
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded pkg-config v0.3.18
[INFO] [stderr]   Downloaded rayon v1.4.1
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded argh v0.1.3
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.2
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded dirs-next v1.0.2
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded addr2line v0.13.0
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded cpuprofiler v0.0.4
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded jq-sys v0.2.2
[INFO] [stderr]   Downloaded gimli v0.22.0
[INFO] [stderr]   Downloaded autotools v0.2.1
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded jq-src v0.4.1
[INFO] [stderr]   Downloaded proptest v0.10.1
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded tui v0.12.0
[INFO] [stderr]   Downloaded serde v1.0.116
[INFO] [stderr]   Downloaded simplelog v0.9.0
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded mio v0.7.5
[INFO] [stderr]   Downloaded crossterm v0.17.7
[INFO] [stderr]   Downloaded coredump v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.17
[INFO] [stderr]   Downloaded backtrace v0.3.52
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded oorandom v11.1.2
[INFO] [stderr]   Downloaded rayon-core v1.8.1
[INFO] [stderr]   Downloaded serde_derive v1.0.116
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded ctor v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0753e00e300b7e7af0af504328c47fae6db11e5916fc2c4017e7084b82566832
[INFO] running `Command { std: "docker" "start" "-a" "0753e00e300b7e7af0af504328c47fae6db11e5916fc2c4017e7084b82566832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0753e00e300b7e7af0af504328c47fae6db11e5916fc2c4017e7084b82566832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0753e00e300b7e7af0af504328c47fae6db11e5916fc2c4017e7084b82566832", kill_on_drop: false }`
[INFO] [stdout] 0753e00e300b7e7af0af504328c47fae6db11e5916fc2c4017e7084b82566832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 384043fd572ffad5582b993ed9d7700c374f6bd491253859dfe6a93ee36910bc
[INFO] running `Command { std: "docker" "start" "-a" "384043fd572ffad5582b993ed9d7700c374f6bd491253859dfe6a93ee36910bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[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 /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] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.20.0/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="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=c97fde9912dfa926 -C extra-filename=-c97fde9912dfa926 --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" "384043fd572ffad5582b993ed9d7700c374f6bd491253859dfe6a93ee36910bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384043fd572ffad5582b993ed9d7700c374f6bd491253859dfe6a93ee36910bc", kill_on_drop: false }`
[INFO] [stdout] 384043fd572ffad5582b993ed9d7700c374f6bd491253859dfe6a93ee36910bc