[INFO] fetching crate mpdpopm 0.3.0...
[INFO] testing mpdpopm-0.3.0 against try#ddc023471205c186b40f4bf8ffb598008dbf4885 for pr-87041-1
[INFO] extracting crate mpdpopm 0.3.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate mpdpopm 0.3.0 on toolchain ddc023471205c186b40f4bf8ffb598008dbf4885
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpdpopm 0.3.0
[INFO] finished tweaking crates.io crate mpdpopm 0.3.0
[INFO] tweaked toml for crates.io crate mpdpopm 0.3.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate mpdpopm 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-lexpr v0.1.2
[INFO] [stderr]   Downloaded snafu-derive v0.6.7
[INFO] [stderr]   Downloaded lalrpop-util v0.19.5
[INFO] [stderr]   Downloaded log4rs v0.10.0
[INFO] [stderr]   Downloaded pico-args v0.4.0
[INFO] [stderr]   Downloaded errno v0.2.6
[INFO] [stderr]   Downloaded snafu v0.6.7
[INFO] [stderr]   Downloaded lalrpop v0.19.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36d9f68943792a9871595f6367c588fb0af264535f36c5084d78e65ce0c22644
[INFO] running `Command { std: "docker" "start" "-a" "36d9f68943792a9871595f6367c588fb0af264535f36c5084d78e65ce0c22644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36d9f68943792a9871595f6367c588fb0af264535f36c5084d78e65ce0c22644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d9f68943792a9871595f6367c588fb0af264535f36c5084d78e65ce0c22644", kill_on_drop: false }`
[INFO] [stdout] 36d9f68943792a9871595f6367c588fb0af264535f36c5084d78e65ce0c22644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63c4a26f763495e24a13ed0b778e4638525a6a7840f1a1dfb24bff9c48d22651
[INFO] running `Command { std: "docker" "start" "-a" "63c4a26f763495e24a13ed0b778e4638525a6a7840f1a1dfb24bff9c48d22651", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling pico-args v0.4.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling os_str_bytes v2.3.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[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-0.6.17/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="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=a645721078269c15 -C extra-filename=-a645721078269c15 --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: build failed
[INFO] running `Command { std: "docker" "inspect" "63c4a26f763495e24a13ed0b778e4638525a6a7840f1a1dfb24bff9c48d22651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c4a26f763495e24a13ed0b778e4638525a6a7840f1a1dfb24bff9c48d22651", kill_on_drop: false }`
[INFO] [stdout] 63c4a26f763495e24a13ed0b778e4638525a6a7840f1a1dfb24bff9c48d22651