[INFO] cloning repository https://github.com/PedroMagar/LABS-B
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PedroMagar/LABS-B" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPedroMagar%2FLABS-B", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPedroMagar%2FLABS-B'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d4cbf677a5582d6341e8d9b49e93ee730f9446b
[INFO] checking PedroMagar/LABS-B against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPedroMagar%2FLABS-B" "/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/PedroMagar/LABS-B on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PedroMagar/LABS-B
[INFO] finished tweaking git repo https://github.com/PedroMagar/LABS-B
[INFO] tweaked toml for git repo https://github.com/PedroMagar/LABS-B written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/PedroMagar/LABS-B already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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] 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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3526555814e0cfc7e6b8f2e35c33c8ff66ce889125936131e3be4c086f8ffc99
[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" "3526555814e0cfc7e6b8f2e35c33c8ff66ce889125936131e3be4c086f8ffc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3526555814e0cfc7e6b8f2e35c33c8ff66ce889125936131e3be4c086f8ffc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3526555814e0cfc7e6b8f2e35c33c8ff66ce889125936131e3be4c086f8ffc99", kill_on_drop: false }`
[INFO] [stdout] 3526555814e0cfc7e6b8f2e35c33c8ff66ce889125936131e3be4c086f8ffc99
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9c13d501d6b333fab733eb35c7e2694a4ee62831df7167f5809ace64554faa9
[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" "f9c13d501d6b333fab733eb35c7e2694a4ee62831df7167f5809ace64554faa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling actix-web-codegen v0.3.0
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[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-0.1.41/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=13808284b011af13 -C extra-filename=-13808284b011af13 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-db256853d8ab4a1e.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-ade5fbeeb7bccbe4.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-b772d9ddbe74bc1d.rlib --extern proc_macro --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" "f9c13d501d6b333fab733eb35c7e2694a4ee62831df7167f5809ace64554faa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c13d501d6b333fab733eb35c7e2694a4ee62831df7167f5809ace64554faa9", kill_on_drop: false }`
[INFO] [stdout] f9c13d501d6b333fab733eb35c7e2694a4ee62831df7167f5809ace64554faa9