[INFO] fetching crate microrust 0.0.0...
[INFO] testing microrust-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate microrust 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate microrust 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 microrust 0.0.0
[INFO] finished tweaking crates.io crate microrust 0.0.0
[INFO] tweaked toml for crates.io crate microrust 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate microrust 0.0.0 already has a lockfile, it will not be regenerated
[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] [stdout] 62e1a144f950e5e67f3170a1a512ac490f7b179332dfde961cd440c7e411ea9e
[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" "62e1a144f950e5e67f3170a1a512ac490f7b179332dfde961cd440c7e411ea9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62e1a144f950e5e67f3170a1a512ac490f7b179332dfde961cd440c7e411ea9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e1a144f950e5e67f3170a1a512ac490f7b179332dfde961cd440c7e411ea9e", kill_on_drop: false }`
[INFO] [stdout] 62e1a144f950e5e67f3170a1a512ac490f7b179332dfde961cd440c7e411ea9e
[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] 595b3fd90932235c165c2c7c6d8849d90447ff0983fcc96c1337444dc5121f87
[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" "595b3fd90932235c165c2c7c6d8849d90447ff0983fcc96c1337444dc5121f87", kill_on_drop: false }`
[INFO] [stderr]    Compiling microrust v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "595b3fd90932235c165c2c7c6d8849d90447ff0983fcc96c1337444dc5121f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595b3fd90932235c165c2c7c6d8849d90447ff0983fcc96c1337444dc5121f87", kill_on_drop: false }`
[INFO] [stdout] 595b3fd90932235c165c2c7c6d8849d90447ff0983fcc96c1337444dc5121f87
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19e70a535f9f81f03673d7e7645b69bfbea238da64c795f5a06391d4065319e6
[INFO] running `Command { std: "docker" "start" "-a" "19e70a535f9f81f03673d7e7645b69bfbea238da64c795f5a06391d4065319e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling microrust v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "19e70a535f9f81f03673d7e7645b69bfbea238da64c795f5a06391d4065319e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e70a535f9f81f03673d7e7645b69bfbea238da64c795f5a06391d4065319e6", kill_on_drop: false }`
[INFO] [stdout] 19e70a535f9f81f03673d7e7645b69bfbea238da64c795f5a06391d4065319e6
[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", 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] b4f7ab79c7dc1b07678031e17b1269082b4e42a419dbce22cac8888f9b1ddb5a
[INFO] running `Command { std: "docker" "start" "-a" "b4f7ab79c7dc1b07678031e17b1269082b4e42a419dbce22cac8888f9b1ddb5a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/microrust-d3cb8a4681621cc0
[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" "b4f7ab79c7dc1b07678031e17b1269082b4e42a419dbce22cac8888f9b1ddb5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4f7ab79c7dc1b07678031e17b1269082b4e42a419dbce22cac8888f9b1ddb5a", kill_on_drop: false }`
[INFO] [stdout] b4f7ab79c7dc1b07678031e17b1269082b4e42a419dbce22cac8888f9b1ddb5a