[INFO] fetching crate aucavo 0.0.0...
[INFO] testing aucavo-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate aucavo 0.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate aucavo 0.0.0 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 aucavo 0.0.0
[INFO] finished tweaking crates.io crate aucavo 0.0.0
[INFO] tweaked toml for crates.io crate aucavo 0.0.0 written to /workspace/builds/worker-1/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-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" "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] [stdout] 3155ad69af3ef87436fa77784f37047d0eea31829d73b627e09642e255d2918f
[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" "3155ad69af3ef87436fa77784f37047d0eea31829d73b627e09642e255d2918f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3155ad69af3ef87436fa77784f37047d0eea31829d73b627e09642e255d2918f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3155ad69af3ef87436fa77784f37047d0eea31829d73b627e09642e255d2918f", kill_on_drop: false }`
[INFO] [stdout] 3155ad69af3ef87436fa77784f37047d0eea31829d73b627e09642e255d2918f
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 153ad33dd49fc2b1a2925304a8a0a4f2725e1d9eda1fa1085390f00ed7af4140
[INFO] running `Command { std: "docker" "start" "-a" "153ad33dd49fc2b1a2925304a8a0a4f2725e1d9eda1fa1085390f00ed7af4140", kill_on_drop: false }`
[INFO] [stderr]    Compiling aucavo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "153ad33dd49fc2b1a2925304a8a0a4f2725e1d9eda1fa1085390f00ed7af4140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153ad33dd49fc2b1a2925304a8a0a4f2725e1d9eda1fa1085390f00ed7af4140", kill_on_drop: false }`
[INFO] [stdout] 153ad33dd49fc2b1a2925304a8a0a4f2725e1d9eda1fa1085390f00ed7af4140
[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" "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] 4b7c85c1904de7c488c438f965ecfaf4a1cebd940da7cf691c15c139c83f094a
[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" "4b7c85c1904de7c488c438f965ecfaf4a1cebd940da7cf691c15c139c83f094a", kill_on_drop: false }`
[INFO] [stderr]    Compiling aucavo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "4b7c85c1904de7c488c438f965ecfaf4a1cebd940da7cf691c15c139c83f094a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b7c85c1904de7c488c438f965ecfaf4a1cebd940da7cf691c15c139c83f094a", kill_on_drop: false }`
[INFO] [stdout] 4b7c85c1904de7c488c438f965ecfaf4a1cebd940da7cf691c15c139c83f094a
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f047a9ef5f4afc3fac3f75b15cbf0c0504378c53fd5c1469d0b494e24ac6f382
[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" "f047a9ef5f4afc3fac3f75b15cbf0c0504378c53fd5c1469d0b494e24ac6f382", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aucavo-18841f4e20b2eb75
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aucavo
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f047a9ef5f4afc3fac3f75b15cbf0c0504378c53fd5c1469d0b494e24ac6f382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f047a9ef5f4afc3fac3f75b15cbf0c0504378c53fd5c1469d0b494e24ac6f382", kill_on_drop: false }`
[INFO] [stdout] f047a9ef5f4afc3fac3f75b15cbf0c0504378c53fd5c1469d0b494e24ac6f382