[INFO] cloning repository https://github.com/flippers2652/rubber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flippers2652/rubber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflippers2652%2Frubber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflippers2652%2Frubber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2f69f4c3a7817203d5f27f909fd40d06830f9ad
[INFO] testing flippers2652/rubber against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflippers2652%2Frubber" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flippers2652/rubber on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flippers2652/rubber
[INFO] finished tweaking git repo https://github.com/flippers2652/rubber
[INFO] tweaked toml for git repo https://github.com/flippers2652/rubber written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/flippers2652/rubber already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 shaderc v0.7.4
[INFO] [stderr]   Downloaded vk-parse v0.7.0
[INFO] [stderr]   Downloaded syn v1.0.87
[INFO] [stderr]   Downloaded vulkano-shaders v0.28.0
[INFO] [stderr]   Downloaded ash v0.35.2+1.2.203
[INFO] [stderr]   Downloaded vulkano v0.28.0
[INFO] [stderr]   Downloaded shaderc-sys v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4514f3149ea256777a22a86ba1302a8f15fc3ee2d02e382b455fae36dd862af
[INFO] running `Command { std: "docker" "start" "-a" "b4514f3149ea256777a22a86ba1302a8f15fc3ee2d02e382b455fae36dd862af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4514f3149ea256777a22a86ba1302a8f15fc3ee2d02e382b455fae36dd862af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4514f3149ea256777a22a86ba1302a8f15fc3ee2d02e382b455fae36dd862af", kill_on_drop: false }`
[INFO] [stdout] b4514f3149ea256777a22a86ba1302a8f15fc3ee2d02e382b455fae36dd862af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758e45a6ab980f18a795fd881377edfbf1675650b0b37be9c10ffe508d085411
[INFO] running `Command { std: "docker" "start" "-a" "758e45a6ab980f18a795fd881377edfbf1675650b0b37be9c10ffe508d085411", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling syn v1.0.87
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling ash v0.35.2+1.2.203
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.4
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling vk-parse v0.7.0
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling shaderc-sys v0.7.4
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.5.5/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --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=17f271d2d4d7a3b5 -C extra-filename=-17f271d2d4d7a3b5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-183b69152644db8a.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-1331aa8962ea7f83.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-71dab053db1b6952.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: shaderc: searching for native shaderc libraries on system;  use '--features build-from-source' to force building from source code
[INFO] [stderr] warning: shaderc: cannot find native shaderc library on system; falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "758e45a6ab980f18a795fd881377edfbf1675650b0b37be9c10ffe508d085411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758e45a6ab980f18a795fd881377edfbf1675650b0b37be9c10ffe508d085411", kill_on_drop: false }`
[INFO] [stdout] 758e45a6ab980f18a795fd881377edfbf1675650b0b37be9c10ffe508d085411