[INFO] cloning repository https://github.com/aheart/hearth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aheart/hearth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faheart%2Fhearth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faheart%2Fhearth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 587633da30015fd81d45c685e07d99cfe226142a
[INFO] testing aheart/hearth against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faheart%2Fhearth" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aheart/hearth on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aheart/hearth
[INFO] removed workspace from git repo https://github.com/aheart/hearth
[INFO] finished tweaking git repo https://github.com/aheart/hearth
[INFO] tweaked toml for git repo https://github.com/aheart/hearth written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/aheart/hearth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded actix v0.10.0
[INFO] [stderr]   Downloaded actix-files v0.5.0
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.23
[INFO] [stderr]   Downloaded openssl-sys v0.9.60
[INFO] [stderr]   Downloaded thiserror v1.0.23
[INFO] [stderr]   Downloaded buf-min v0.4.0
[INFO] [stderr]   Downloaded v_escape_derive v0.8.4
[INFO] [stderr]   Downloaded v_escape v0.15.0
[INFO] [stderr]   Downloaded v_htmlescape v0.12.0
[INFO] [stderr]   Downloaded libz-sys v1.1.2
[INFO] [stderr]   Downloaded syn v1.0.56
[INFO] [stderr]   Downloaded toml v0.5.8
[INFO] [stderr]   Downloaded actix_derive v0.5.0
[INFO] [stderr]   Downloaded libssh2-sys v0.2.20
[INFO] [stderr]   Downloaded ssh2 v0.9.0
[INFO] [stderr]   Downloaded actix-web-actors v3.0.0
[INFO] [stderr]   Downloaded vcpkg v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e440da2d03e71fde42e91708d46266bb1ac3fe8d21bf4aa5c4d9282015af018f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e440da2d03e71fde42e91708d46266bb1ac3fe8d21bf4aa5c4d9282015af018f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e440da2d03e71fde42e91708d46266bb1ac3fe8d21bf4aa5c4d9282015af018f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e440da2d03e71fde42e91708d46266bb1ac3fe8d21bf4aa5c4d9282015af018f", kill_on_drop: false }`
[INFO] [stdout] e440da2d03e71fde42e91708d46266bb1ac3fe8d21bf4aa5c4d9282015af018f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6d56bf434cafaf5ce0408283407a3b4d2766adfbca53004a21f72f55fafb4f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6d56bf434cafaf5ce0408283407a3b4d2766adfbca53004a21f72f55fafb4f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling v_escape v0.15.0
[INFO] [stderr]    Compiling v_htmlescape v0.12.0
[INFO] [stderr]    Compiling buf-min v0.4.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling v_escape_derive v0.8.4
[INFO] [stderr] error: could not compile `async-trait`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name async_trait --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-trait-0.1.42/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=cc22d38871cfcd1c -C extra-filename=-cc22d38871cfcd1c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fc674c02767ecd53.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-c80413db87535708.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-7c9f46447190a2ff.rlib --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" "f6d56bf434cafaf5ce0408283407a3b4d2766adfbca53004a21f72f55fafb4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d56bf434cafaf5ce0408283407a3b4d2766adfbca53004a21f72f55fafb4f9", kill_on_drop: false }`
[INFO] [stdout] f6d56bf434cafaf5ce0408283407a3b4d2766adfbca53004a21f72f55fafb4f9