[INFO] cloning repository https://github.com/sirluchas/melody_extraction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirluchas/melody_extraction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirluchas%2Fmelody_extraction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirluchas%2Fmelody_extraction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b4bb5e36d03d6fdf4ca1648756cd5eefa6715d1
[INFO] checking sirluchas/melody_extraction against master#1204400ab8da9830f6f77a5e40e7ad3ea459676a for pr-94295
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirluchas%2Fmelody_extraction" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sirluchas/melody_extraction on toolchain 1204400ab8da9830f6f77a5e40e7ad3ea459676a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sirluchas/melody_extraction
[INFO] finished tweaking git repo https://github.com/sirluchas/melody_extraction
[INFO] tweaked toml for git repo https://github.com/sirluchas/melody_extraction written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/sirluchas/melody_extraction already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e046627485de6b3aa73fe174f52fd88babdada1ba2785dddd3c9c5dcfda55e96
[INFO] running `Command { std: "docker" "start" "-a" "e046627485de6b3aa73fe174f52fd88babdada1ba2785dddd3c9c5dcfda55e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e046627485de6b3aa73fe174f52fd88babdada1ba2785dddd3c9c5dcfda55e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e046627485de6b3aa73fe174f52fd88babdada1ba2785dddd3c9c5dcfda55e96", kill_on_drop: false }`
[INFO] [stdout] e046627485de6b3aa73fe174f52fd88babdada1ba2785dddd3c9c5dcfda55e96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0277fe878e8a3c348d97731a834a2fc0b2ebe7dd046f4475d70984ff9d0118
[INFO] running `Command { std: "docker" "start" "-a" "bc0277fe878e8a3c348d97731a834a2fc0b2ebe7dd046f4475d70984ff9d0118", 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]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking bytemuck v1.7.0
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling heapless v0.7.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking apodize v0.3.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking strider v0.1.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[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 --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 -C embed-bitcode=no -C debuginfo=2 -C metadata=cb7710863b906da5 -C extra-filename=-cb7710863b906da5 --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" "bc0277fe878e8a3c348d97731a834a2fc0b2ebe7dd046f4475d70984ff9d0118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0277fe878e8a3c348d97731a834a2fc0b2ebe7dd046f4475d70984ff9d0118", kill_on_drop: false }`
[INFO] [stdout] bc0277fe878e8a3c348d97731a834a2fc0b2ebe7dd046f4475d70984ff9d0118