[INFO] fetching crate coverm 0.6.1...
[INFO] checking coverm-0.6.1 against master#bdcb6a99e853732f8ec050ae4986aa3af51d44c5 for 92191_revert
[INFO] extracting crate coverm 0.6.1 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate coverm 0.6.1 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 crates.io crate coverm 0.6.1
[INFO] finished tweaking crates.io crate coverm 0.6.1
[INFO] tweaked toml for crates.io crate coverm 0.6.1 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate crates.io crate coverm 0.6.1 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] [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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 5229409154e9944837048444110e3b9f56dcd2db1844e747e1b02110acd4a843
[INFO] running `Command { std: "docker" "start" "-a" "5229409154e9944837048444110e3b9f56dcd2db1844e747e1b02110acd4a843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5229409154e9944837048444110e3b9f56dcd2db1844e747e1b02110acd4a843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5229409154e9944837048444110e3b9f56dcd2db1844e747e1b02110acd4a843", kill_on_drop: false }`
[INFO] [stdout] 5229409154e9944837048444110e3b9f56dcd2db1844e747e1b02110acd4a843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] dde38ea02973a801899de8931d57c49629af40ef68272d8cf767aaeb5a5b462f
[INFO] running `Command { std: "docker" "start" "-a" "dde38ea02973a801899de8931d57c49629af40ef68272d8cf767aaeb5a5b462f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking roff v0.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking version-compare v0.0.10
[INFO] [stderr]     Checking murmurhash3 v0.0.5
[INFO] [stderr]     Checking newtype_derive v0.1.4
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]    Compiling bio v0.32.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking triple_accel v0.3.4
[INFO] [stderr]     Checking version-compare v0.0.11
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.24/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=f8e1e1e947bfe2ba -C extra-filename=-f8e1e1e947bfe2ba --out-dir /opt/rustwide/target/debug/build/proc-macro2-f8e1e1e947bfe2ba -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 `libc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.86/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="extra_traits"' --cfg 'feature="std"' -C metadata=07aeaf0ed241e275 -C extra-filename=-07aeaf0ed241e275 --out-dir /opt/rustwide/target/debug/build/libc-07aeaf0ed241e275 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[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-0.6.22/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=7e4751b993abafcb -C extra-filename=-7e4751b993abafcb --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] error: could not compile `autocfg`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name autocfg /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/autocfg-1.0.1/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=cea8f49e72b83951 -C extra-filename=-cea8f49e72b83951 --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] 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-0.23.0/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="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=9c180a0e68f7317d -C extra-filename=-9c180a0e68f7317d --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" "dde38ea02973a801899de8931d57c49629af40ef68272d8cf767aaeb5a5b462f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde38ea02973a801899de8931d57c49629af40ef68272d8cf767aaeb5a5b462f", kill_on_drop: false }`
[INFO] [stdout] dde38ea02973a801899de8931d57c49629af40ef68272d8cf767aaeb5a5b462f