[INFO] fetching crate nullable-result 0.7.0...
[INFO] testing nullable-result-0.7.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate nullable-result 0.7.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate nullable-result 0.7.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nullable-result 0.7.0
[INFO] finished tweaking crates.io crate nullable-result 0.7.0
[INFO] tweaked toml for crates.io crate nullable-result 0.7.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16cd9a9426ab3f03a7e94a7dd3c68fc23445b0542c7a96879fcdc2516a5c870a
[INFO] running `Command { std: "docker" "start" "-a" "16cd9a9426ab3f03a7e94a7dd3c68fc23445b0542c7a96879fcdc2516a5c870a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16cd9a9426ab3f03a7e94a7dd3c68fc23445b0542c7a96879fcdc2516a5c870a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cd9a9426ab3f03a7e94a7dd3c68fc23445b0542c7a96879fcdc2516a5c870a", kill_on_drop: false }`
[INFO] [stdout] 16cd9a9426ab3f03a7e94a7dd3c68fc23445b0542c7a96879fcdc2516a5c870a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45c539be4cfa2f99cad7b1fd1e88ea04a568695dbaeb31445b0337275b778550
[INFO] running `Command { std: "docker" "start" "-a" "45c539be4cfa2f99cad7b1fd1e88ea04a568695dbaeb31445b0337275b778550", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nullable-result v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "45c539be4cfa2f99cad7b1fd1e88ea04a568695dbaeb31445b0337275b778550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c539be4cfa2f99cad7b1fd1e88ea04a568695dbaeb31445b0337275b778550", kill_on_drop: false }`
[INFO] [stdout] 45c539be4cfa2f99cad7b1fd1e88ea04a568695dbaeb31445b0337275b778550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b6dc3cd408feaa8e74902674f9c8b6d8b38aa211dbf1d1aad54c54cdbaaf03
[INFO] running `Command { std: "docker" "start" "-a" "f8b6dc3cd408feaa8e74902674f9c8b6d8b38aa211dbf1d1aad54c54cdbaaf03", kill_on_drop: false }`
[INFO] [stderr]    Compiling nullable-result v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "f8b6dc3cd408feaa8e74902674f9c8b6d8b38aa211dbf1d1aad54c54cdbaaf03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b6dc3cd408feaa8e74902674f9c8b6d8b38aa211dbf1d1aad54c54cdbaaf03", kill_on_drop: false }`
[INFO] [stdout] f8b6dc3cd408feaa8e74902674f9c8b6d8b38aa211dbf1d1aad54c54cdbaaf03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f00e33149ff46e2ed702f3081868e08bbfc8b7e0dd3f2b60e846c288422ed6f7
[INFO] running `Command { std: "docker" "start" "-a" "f00e33149ff46e2ed702f3081868e08bbfc8b7e0dd3f2b60e846c288422ed6f7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nullable_result-f057b3e642ae7321)
[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]      Running tests/basic_usage.rs (/opt/rustwide/target/debug/deps/basic_usage-74bd67be97d40231)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test option_and_back::err ... ok
[INFO] [stdout] test option_and_back::none ... ok
[INFO] [stdout] test option_and_back::ok ... ok
[INFO] [stdout] test result_and_back::err ... ok
[INFO] [stdout] test result_and_back::none ... ok
[INFO] [stdout] test result_and_back::ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-868fa7eec74917aa)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test err ... ok
[INFO] [stdout] test none ... ok
[INFO] [stdout] test ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nullable-result
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - NullableResult (line 65) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 47) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 34) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 54) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 462) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 73) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 479) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f00e33149ff46e2ed702f3081868e08bbfc8b7e0dd3f2b60e846c288422ed6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00e33149ff46e2ed702f3081868e08bbfc8b7e0dd3f2b60e846c288422ed6f7", kill_on_drop: false }`
[INFO] [stdout] f00e33149ff46e2ed702f3081868e08bbfc8b7e0dd3f2b60e846c288422ed6f7