[INFO] cloning repository https://github.com/Nemo157/stylish-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nemo157/stylish-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNemo157%2Fstylish-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNemo157%2Fstylish-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0ebcd55eed94a5eb11217a779d64bd72e70dc9d
[INFO] testing Nemo157/stylish-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNemo157%2Fstylish-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nemo157/stylish-rs 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/Nemo157/stylish-rs
[INFO] finished tweaking git repo https://github.com/Nemo157/stylish-rs
[INFO] tweaked toml for git repo https://github.com/Nemo157/stylish-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Nemo157/stylish-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95a19d6e287e77b2d56f327e844d162a7d3e1a477a9200a05a5c921051c3d7b5
[INFO] running `Command { std: "docker" "start" "-a" "95a19d6e287e77b2d56f327e844d162a7d3e1a477a9200a05a5c921051c3d7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a19d6e287e77b2d56f327e844d162a7d3e1a477a9200a05a5c921051c3d7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a19d6e287e77b2d56f327e844d162a7d3e1a477a9200a05a5c921051c3d7b5", kill_on_drop: false }`
[INFO] [stdout] 95a19d6e287e77b2d56f327e844d162a7d3e1a477a9200a05a5c921051c3d7b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d397caa8a204950ed2be5353cba1f5f638a372b9046216c04569ee7e466c9b5
[INFO] running `Command { std: "docker" "start" "-a" "6d397caa8a204950ed2be5353cba1f5f638a372b9046216c04569ee7e466c9b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling stack_dst v0.6.0
[INFO] [stderr]    Compiling askama_escape v0.10.1 (https://github.com/Nemo157/askama?branch=askama_escape-no_std#dfe705cb)
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling with_builtin_macros-proc_macros v0.0.3
[INFO] [stderr]    Compiling stylish-macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling with_builtin_macros v0.0.3
[INFO] [stderr]    Compiling stylish-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr] error: could not compile `stylish-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stylish_core --edition=2018 core/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="std"' -C metadata=411c0fc4d4cfacee -C extra-filename=-411c0fc4d4cfacee --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern stack_dst=/opt/rustwide/target/debug/deps/libstack_dst-b14183bda521122a.rmeta --extern stylish_macros=/opt/rustwide/target/debug/deps/libstylish_macros-1d3f903b2a6072c2.so --extern with_builtin_macros=/opt/rustwide/target/debug/deps/libwith_builtin_macros-be42460a8b9992e6.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "6d397caa8a204950ed2be5353cba1f5f638a372b9046216c04569ee7e466c9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d397caa8a204950ed2be5353cba1f5f638a372b9046216c04569ee7e466c9b5", kill_on_drop: false }`
[INFO] [stdout] 6d397caa8a204950ed2be5353cba1f5f638a372b9046216c04569ee7e466c9b5