[INFO] fetching crate varcon 0.5.1...
[INFO] checking varcon-0.5.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate varcon 0.5.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate varcon 0.5.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varcon 0.5.1
[INFO] finished tweaking crates.io crate varcon 0.5.1
[INFO] tweaked toml for crates.io crate varcon 0.5.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 582dc55b26e98b0c3a0a0fbe0454b9ba9e82e96c4f25e984522f45860b53536c
[INFO] running `Command { std: "docker" "start" "-a" "582dc55b26e98b0c3a0a0fbe0454b9ba9e82e96c4f25e984522f45860b53536c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "582dc55b26e98b0c3a0a0fbe0454b9ba9e82e96c4f25e984522f45860b53536c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582dc55b26e98b0c3a0a0fbe0454b9ba9e82e96c4f25e984522f45860b53536c", kill_on_drop: false }`
[INFO] [stdout] 582dc55b26e98b0c3a0a0fbe0454b9ba9e82e96c4f25e984522f45860b53536c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c358e88a068fd36cb9134cfed56adb1b38e3aeb11a577657da05d5df1f878d01
[INFO] running `Command { std: "docker" "start" "-a" "c358e88a068fd36cb9134cfed56adb1b38e3aeb11a577657da05d5df1f878d01", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling enumflags2_derive v0.7.0
[INFO] [stderr]     Checking enumflags2 v0.7.1
[INFO] [stderr]     Checking varcon-core v2.1.1
[INFO] [stderr]     Checking varcon v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `varcon`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name varcon --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="all"' --cfg 'feature="default"' --cfg 'feature="flags"' -C metadata=9be21688bcd3ffbd -C extra-filename=-9be21688bcd3ffbd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern varcon_core=/opt/rustwide/target/debug/deps/libvarcon_core-75af84986f8e4e95.rmeta --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" "c358e88a068fd36cb9134cfed56adb1b38e3aeb11a577657da05d5df1f878d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c358e88a068fd36cb9134cfed56adb1b38e3aeb11a577657da05d5df1f878d01", kill_on_drop: false }`
[INFO] [stdout] c358e88a068fd36cb9134cfed56adb1b38e3aeb11a577657da05d5df1f878d01
