[INFO] fetching crate proofmarshal 0.0.0-prealpha...
[INFO] testing proofmarshal-0.0.0-prealpha against 1.49.0 for beta-1.50-1
[INFO] extracting crate proofmarshal 0.0.0-prealpha into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate proofmarshal 0.0.0-prealpha 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 proofmarshal 0.0.0-prealpha
[INFO] finished tweaking crates.io crate proofmarshal 0.0.0-prealpha
[INFO] tweaked toml for crates.io crate proofmarshal 0.0.0-prealpha written to /workspace/builds/worker-2/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-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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1436a330a12ca7d29bb5d1e6d5b1f2061821cf73dcad2569631f61268410f9ea
[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" "1436a330a12ca7d29bb5d1e6d5b1f2061821cf73dcad2569631f61268410f9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1436a330a12ca7d29bb5d1e6d5b1f2061821cf73dcad2569631f61268410f9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1436a330a12ca7d29bb5d1e6d5b1f2061821cf73dcad2569631f61268410f9ea", kill_on_drop: false }`
[INFO] [stdout] 1436a330a12ca7d29bb5d1e6d5b1f2061821cf73dcad2569631f61268410f9ea
[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" "+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] e639616b61eb38300e1fc99087253ba6b3925fae1e9896f657294c0ce7c70036
[INFO] running `Command { std: "docker" "start" "-a" "e639616b61eb38300e1fc99087253ba6b3925fae1e9896f657294c0ce7c70036", kill_on_drop: false }`
[INFO] [stderr]    Compiling proofmarshal v0.0.0-prealpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "e639616b61eb38300e1fc99087253ba6b3925fae1e9896f657294c0ce7c70036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e639616b61eb38300e1fc99087253ba6b3925fae1e9896f657294c0ce7c70036", kill_on_drop: false }`
[INFO] [stdout] e639616b61eb38300e1fc99087253ba6b3925fae1e9896f657294c0ce7c70036
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f904bc3bea9990f6538b7a5261eae8e5cb45875b3a83b45e9f6de6321ff22753
[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" "f904bc3bea9990f6538b7a5261eae8e5cb45875b3a83b45e9f6de6321ff22753", kill_on_drop: false }`
[INFO] [stderr]    Compiling proofmarshal v0.0.0-prealpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "f904bc3bea9990f6538b7a5261eae8e5cb45875b3a83b45e9f6de6321ff22753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f904bc3bea9990f6538b7a5261eae8e5cb45875b3a83b45e9f6de6321ff22753", kill_on_drop: false }`
[INFO] [stdout] f904bc3bea9990f6538b7a5261eae8e5cb45875b3a83b45e9f6de6321ff22753
[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" "+1.49.0" "test" "--frozen", 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] 63cad5bc44e1e175844544817d02b6afa9212d8e5670757230d9c12345fbb5b8
[INFO] running `Command { std: "docker" "start" "-a" "63cad5bc44e1e175844544817d02b6afa9212d8e5670757230d9c12345fbb5b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/proofmarshal-fede6060c572982f
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests proofmarshal
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "63cad5bc44e1e175844544817d02b6afa9212d8e5670757230d9c12345fbb5b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cad5bc44e1e175844544817d02b6afa9212d8e5670757230d9c12345fbb5b8", kill_on_drop: false }`
[INFO] [stdout] 63cad5bc44e1e175844544817d02b6afa9212d8e5670757230d9c12345fbb5b8