[INFO] cloning repository https://github.com/huseyinyilmaz/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huseyinyilmaz/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuseyinyilmaz%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuseyinyilmaz%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 658e4fb5abff7a9be5d7950e7845639e07780eb3
[INFO] testing huseyinyilmaz/rust-playground against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuseyinyilmaz%2Frust-playground" "/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/huseyinyilmaz/rust-playground on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huseyinyilmaz/rust-playground
[INFO] finished tweaking git repo https://github.com/huseyinyilmaz/rust-playground
[INFO] tweaked toml for git repo https://github.com/huseyinyilmaz/rust-playground written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/huseyinyilmaz/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6107411ef045f2504f4c930ed800e97c42138edcc787df5f2f2a14d886bd29e1
[INFO] running `Command { std: "docker" "start" "-a" "6107411ef045f2504f4c930ed800e97c42138edcc787df5f2f2a14d886bd29e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6107411ef045f2504f4c930ed800e97c42138edcc787df5f2f2a14d886bd29e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6107411ef045f2504f4c930ed800e97c42138edcc787df5f2f2a14d886bd29e1", kill_on_drop: false }`
[INFO] [stdout] 6107411ef045f2504f4c930ed800e97c42138edcc787df5f2f2a14d886bd29e1
[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=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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a8e8511d7f277e626ac2b7594ed63299cf783e686d600efc4b823c74c924191
[INFO] running `Command { std: "docker" "start" "-a" "6a8e8511d7f277e626ac2b7594ed63299cf783e686d600efc4b823c74c924191", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling urlencoding v1.0.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling http v0.2.0
[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-0.6.14/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=149382b8d3fc84f6 -C extra-filename=-149382b8d3fc84f6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6a8e8511d7f277e626ac2b7594ed63299cf783e686d600efc4b823c74c924191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8e8511d7f277e626ac2b7594ed63299cf783e686d600efc4b823c74c924191", kill_on_drop: false }`
[INFO] [stdout] 6a8e8511d7f277e626ac2b7594ed63299cf783e686d600efc4b823c74c924191