[INFO] fetching crate resultit 0.1.0...
[INFO] testing resultit-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate resultit 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate resultit 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate resultit 0.1.0
[INFO] finished tweaking crates.io crate resultit 0.1.0
[INFO] tweaked toml for crates.io crate resultit 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 673b5338252760656d01d2104193421a07c6975498c5038c5fb2a621dd85c051
[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" "673b5338252760656d01d2104193421a07c6975498c5038c5fb2a621dd85c051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "673b5338252760656d01d2104193421a07c6975498c5038c5fb2a621dd85c051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673b5338252760656d01d2104193421a07c6975498c5038c5fb2a621dd85c051", kill_on_drop: false }`
[INFO] [stdout] 673b5338252760656d01d2104193421a07c6975498c5038c5fb2a621dd85c051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ba063bd9ab2878acf555ab5b7c1dbdd45b7a400ef9b40f15e4ba665a38a117f
[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" "9ba063bd9ab2878acf555ab5b7c1dbdd45b7a400ef9b40f15e4ba665a38a117f", kill_on_drop: false }`
[INFO] [stderr]    Compiling resultit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "9ba063bd9ab2878acf555ab5b7c1dbdd45b7a400ef9b40f15e4ba665a38a117f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba063bd9ab2878acf555ab5b7c1dbdd45b7a400ef9b40f15e4ba665a38a117f", kill_on_drop: false }`
[INFO] [stdout] 9ba063bd9ab2878acf555ab5b7c1dbdd45b7a400ef9b40f15e4ba665a38a117f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eafd4fde7802c246730bcb736172e4cd2d449d1a382ec0091bcf03f8b41f582e
[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" "eafd4fde7802c246730bcb736172e4cd2d449d1a382ec0091bcf03f8b41f582e", kill_on_drop: false }`
[INFO] [stderr]    Compiling resultit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "eafd4fde7802c246730bcb736172e4cd2d449d1a382ec0091bcf03f8b41f582e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafd4fde7802c246730bcb736172e4cd2d449d1a382ec0091bcf03f8b41f582e", kill_on_drop: false }`
[INFO] [stdout] eafd4fde7802c246730bcb736172e4cd2d449d1a382ec0091bcf03f8b41f582e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 397b386accc756f05dc51170567ced571e7db7394ce762db84e01797c89e0956
[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" "397b386accc756f05dc51170567ced571e7db7394ce762db84e01797c89e0956", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/resultit-ed67f5399c9432e1
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests resultit
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - TryResult (line 127) ... ok
[INFO] [stdout] test src/stop_after_error.rs - stop_after_error::StopAfterError (line 8) ... ok
[INFO] [stdout] test src/flatten_results.rs - flatten_results::FlattenResults (line 82) ... ok
[INFO] [stdout] test src/flatten_results.rs - flatten_results::transform (line 33) ... ok
[INFO] [stdout] test src/flatten_results.rs - flatten_results::FlattenResults (line 112) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "397b386accc756f05dc51170567ced571e7db7394ce762db84e01797c89e0956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397b386accc756f05dc51170567ced571e7db7394ce762db84e01797c89e0956", kill_on_drop: false }`
[INFO] [stdout] 397b386accc756f05dc51170567ced571e7db7394ce762db84e01797c89e0956