[INFO] cloning repository https://github.com/duysqubix/MuOxi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duysqubix/MuOxi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduysqubix%2FMuOxi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduysqubix%2FMuOxi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef2bdd39cef1c08dc3be4c93b9e3ae0701c092ae
[INFO] checking duysqubix/MuOxi against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduysqubix%2FMuOxi" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duysqubix/MuOxi on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/duysqubix/MuOxi
[INFO] finished tweaking git repo https://github.com/duysqubix/MuOxi
[INFO] tweaked toml for git repo https://github.com/duysqubix/MuOxi written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/duysqubix/MuOxi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e8ab54f0df0f31dea18bc1ae150a6cd55b0c4bdbcfcc2a5564394a6d7a8ab91
[INFO] running `Command { std: "docker" "start" "-a" "5e8ab54f0df0f31dea18bc1ae150a6cd55b0c4bdbcfcc2a5564394a6d7a8ab91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e8ab54f0df0f31dea18bc1ae150a6cd55b0c4bdbcfcc2a5564394a6d7a8ab91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8ab54f0df0f31dea18bc1ae150a6cd55b0c4bdbcfcc2a5564394a6d7a8ab91", kill_on_drop: false }`
[INFO] [stdout] 5e8ab54f0df0f31dea18bc1ae150a6cd55b0c4bdbcfcc2a5564394a6d7a8ab91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e691dfb4cf6a8ca3e247ae0d5e2bd7509d6adbf64a0ad914cb53c5f3bb2c40a2
[INFO] running `Command { std: "docker" "start" "-a" "e691dfb4cf6a8ca3e247ae0d5e2bd7509d6adbf64a0ad914cb53c5f3bb2c40a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking c2-chacha v0.2.3
[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-0.6.13/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -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=fbc2ba801ff4c23d -C extra-filename=-fbc2ba801ff4c23d --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" "e691dfb4cf6a8ca3e247ae0d5e2bd7509d6adbf64a0ad914cb53c5f3bb2c40a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e691dfb4cf6a8ca3e247ae0d5e2bd7509d6adbf64a0ad914cb53c5f3bb2c40a2", kill_on_drop: false }`
[INFO] [stdout] e691dfb4cf6a8ca3e247ae0d5e2bd7509d6adbf64a0ad914cb53c5f3bb2c40a2