[INFO] cloning repository https://github.com/santi698/notifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/santi698/notifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanti698%2Fnotifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanti698%2Fnotifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 377b7d3f2a8d9584f92b3252e10e4b9ee6af95dd
[INFO] testing santi698/notifier against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanti698%2Fnotifier" "/workspace/builds/worker-98/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-98/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/santi698/notifier on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/santi698/notifier
[INFO] finished tweaking git repo https://github.com/santi698/notifier
[INFO] tweaked toml for git repo https://github.com/santi698/notifier written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate git repo https://github.com/santi698/notifier already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 smol v0.1.12
[INFO] [stderr]   Downloaded piper v0.1.3
[INFO] [stderr]   Downloaded async-std v1.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2e2194a74755dca95c3a6aa2ee7207de3b771ec51a0b144a3d865e9ad6aaf6b
[INFO] running `Command { std: "docker" "start" "-a" "c2e2194a74755dca95c3a6aa2ee7207de3b771ec51a0b144a3d865e9ad6aaf6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2e2194a74755dca95c3a6aa2ee7207de3b771ec51a0b144a3d865e9ad6aaf6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e2194a74755dca95c3a6aa2ee7207de3b771ec51a0b144a3d865e9ad6aaf6b", kill_on_drop: false }`
[INFO] [stdout] c2e2194a74755dca95c3a6aa2ee7207de3b771ec51a0b144a3d865e9ad6aaf6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa359406faa7d37b27099b583ccfb1d37f82170270fdc51402760e20b6f640c3
[INFO] running `Command { std: "docker" "start" "-a" "fa359406faa7d37b27099b583ccfb1d37f82170270fdc51402760e20b6f640c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling bytestring v0.1.5
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr] error: could not compile `proc-macro-hack`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro_hack --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-hack-0.5.16/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=06f6c39a709bd7fd -C extra-filename=-06f6c39a709bd7fd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro --cap-lints allow --cap-lints=warn` (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" "fa359406faa7d37b27099b583ccfb1d37f82170270fdc51402760e20b6f640c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa359406faa7d37b27099b583ccfb1d37f82170270fdc51402760e20b6f640c3", kill_on_drop: false }`
[INFO] [stdout] fa359406faa7d37b27099b583ccfb1d37f82170270fdc51402760e20b6f640c3