[INFO] cloning repository https://github.com/schlefix/Damask
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schlefix/Damask" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschlefix%2FDamask", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschlefix%2FDamask'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b39e6900d02d5822cbef446dad778d4357ce50d
[INFO] checking schlefix/Damask against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschlefix%2FDamask" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/schlefix/Damask on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/schlefix/Damask
[INFO] finished tweaking git repo https://github.com/schlefix/Damask
[INFO] tweaked toml for git repo https://github.com/schlefix/Damask written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/schlefix/Damask already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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 pretty_env_logger v0.3.0
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.2
[INFO] [stderr]   Downloaded andrew v0.2.0
[INFO] [stderr]   Downloaded safe-transmute v0.10.1
[INFO] [stderr]   Downloaded gleam v0.6.14
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.2
[INFO] [stderr]   Downloaded wayland-client v0.21.11
[INFO] [stderr]   Downloaded either v1.5.1
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.2
[INFO] [stderr]   Downloaded wayland-sys v0.21.11
[INFO] [stderr]   Downloaded glium v0.23.0
[INFO] [stderr]   Downloaded image v0.21.0
[INFO] [stderr]   Downloaded rusttype v0.7.5
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.13
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.2
[INFO] [stderr]   Downloaded wayland-protocols v0.21.11
[INFO] [stderr]   Downloaded tokio v0.1.18
[INFO] [stderr]   Downloaded wayland-commons v0.21.11
[INFO] [stderr]   Downloaded wayland-scanner v0.21.11
[INFO] [stderr]   Downloaded winit v0.19.0
[INFO] [stderr]   Downloaded nix v0.12.0
[INFO] [stderr]   Downloaded cc v1.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aaaf7c4c1e0f9143c955227eaddcc29009d16e361b80f67808d160e5e3241ac
[INFO] running `Command { std: "docker" "start" "-a" "8aaaf7c4c1e0f9143c955227eaddcc29009d16e361b80f67808d160e5e3241ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aaaf7c4c1e0f9143c955227eaddcc29009d16e361b80f67808d160e5e3241ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aaaf7c4c1e0f9143c955227eaddcc29009d16e361b80f67808d160e5e3241ac", kill_on_drop: false }`
[INFO] [stdout] 8aaaf7c4c1e0f9143c955227eaddcc29009d16e361b80f67808d160e5e3241ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 887db9dc9a480e7fd6de9d1353cfd4112585f37494c8a5e617f809e87875b67c
[INFO] running `Command { std: "docker" "start" "-a" "887db9dc9a480e7fd6de9d1353cfd4112585f37494c8a5e617f809e87875b67c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[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-0.6.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=0f890b38051f38b2 -C extra-filename=-0f890b38051f38b2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-32f182af8d1803e6.rmeta --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" "887db9dc9a480e7fd6de9d1353cfd4112585f37494c8a5e617f809e87875b67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887db9dc9a480e7fd6de9d1353cfd4112585f37494c8a5e617f809e87875b67c", kill_on_drop: false }`
[INFO] [stdout] 887db9dc9a480e7fd6de9d1353cfd4112585f37494c8a5e617f809e87875b67c