[INFO] fetching crate fpa 0.1.0...
[INFO] testing fpa-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fpa 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fpa 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fpa 0.1.0
[INFO] finished tweaking crates.io crate fpa 0.1.0
[INFO] tweaked toml for crates.io crate fpa 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "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] f8126c5313d753773e588491da56cb65b404f77b9999378202a213d0656a5dbd
[INFO] running `Command { std: "docker" "start" "-a" "f8126c5313d753773e588491da56cb65b404f77b9999378202a213d0656a5dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8126c5313d753773e588491da56cb65b404f77b9999378202a213d0656a5dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8126c5313d753773e588491da56cb65b404f77b9999378202a213d0656a5dbd", kill_on_drop: false }`
[INFO] [stdout] f8126c5313d753773e588491da56cb65b404f77b9999378202a213d0656a5dbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bac0d418086b0164bdcec633ff45b75bbec27d8b14f00955af68c410b24aeb51
[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" "bac0d418086b0164bdcec633ff45b75bbec27d8b14f00955af68c410b24aeb51", kill_on_drop: false }`
[INFO] [stderr]    Compiling fpa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.02s
[INFO] running `Command { std: "docker" "inspect" "bac0d418086b0164bdcec633ff45b75bbec27d8b14f00955af68c410b24aeb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bac0d418086b0164bdcec633ff45b75bbec27d8b14f00955af68c410b24aeb51", kill_on_drop: false }`
[INFO] [stdout] bac0d418086b0164bdcec633ff45b75bbec27d8b14f00955af68c410b24aeb51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b98aaba327e34226d049e2a18ab47c1083c8567d5ec29764b470bfc70e24917
[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" "4b98aaba327e34226d049e2a18ab47c1083c8567d5ec29764b470bfc70e24917", kill_on_drop: false }`
[INFO] [stderr]    Compiling fpa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `fpa`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cast tests/cast.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=963dd191f258b77e -C extra-filename=-963dd191f258b77e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cast=/opt/rustwide/target/debug/deps/libcast-747897598ec46144.rlib --extern fpa=/opt/rustwide/target/debug/deps/libfpa-78e0add4e21623be.rlib --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-a5e8dd74bd8dfb37.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4b98aaba327e34226d049e2a18ab47c1083c8567d5ec29764b470bfc70e24917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b98aaba327e34226d049e2a18ab47c1083c8567d5ec29764b470bfc70e24917", kill_on_drop: false }`
[INFO] [stdout] 4b98aaba327e34226d049e2a18ab47c1083c8567d5ec29764b470bfc70e24917