[INFO] fetching crate nullable-result 0.6.0...
[INFO] testing nullable-result-0.6.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate nullable-result 0.6.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate nullable-result 0.6.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nullable-result 0.6.0
[INFO] finished tweaking crates.io crate nullable-result 0.6.0
[INFO] tweaked toml for crates.io crate nullable-result 0.6.0 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9bc827a9de881d05ba9e6454defd521fd7d78c591112c7a54f115db337cd3f5
[INFO] running `Command { std: "docker" "start" "-a" "f9bc827a9de881d05ba9e6454defd521fd7d78c591112c7a54f115db337cd3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9bc827a9de881d05ba9e6454defd521fd7d78c591112c7a54f115db337cd3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bc827a9de881d05ba9e6454defd521fd7d78c591112c7a54f115db337cd3f5", kill_on_drop: false }`
[INFO] [stdout] f9bc827a9de881d05ba9e6454defd521fd7d78c591112c7a54f115db337cd3f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d58af8cbd69468bf44ae9869cc1324d935afd400604883aa29825cba48883c2
[INFO] running `Command { std: "docker" "start" "-a" "0d58af8cbd69468bf44ae9869cc1324d935afd400604883aa29825cba48883c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nullable-result v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "0d58af8cbd69468bf44ae9869cc1324d935afd400604883aa29825cba48883c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d58af8cbd69468bf44ae9869cc1324d935afd400604883aa29825cba48883c2", kill_on_drop: false }`
[INFO] [stdout] 0d58af8cbd69468bf44ae9869cc1324d935afd400604883aa29825cba48883c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 294930b8482f1b9e5d0d7d0ed2ee25970bc09be197bb5ca02da66dc43a9ce759
[INFO] running `Command { std: "docker" "start" "-a" "294930b8482f1b9e5d0d7d0ed2ee25970bc09be197bb5ca02da66dc43a9ce759", kill_on_drop: false }`
[INFO] [stderr]    Compiling nullable-result v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "294930b8482f1b9e5d0d7d0ed2ee25970bc09be197bb5ca02da66dc43a9ce759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294930b8482f1b9e5d0d7d0ed2ee25970bc09be197bb5ca02da66dc43a9ce759", kill_on_drop: false }`
[INFO] [stdout] 294930b8482f1b9e5d0d7d0ed2ee25970bc09be197bb5ca02da66dc43a9ce759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a98382c037dbf4e9d14d4d8f2fc01a4e6bbaab58a4b38a355c68e63de81faccf
[INFO] running `Command { std: "docker" "start" "-a" "a98382c037dbf4e9d14d4d8f2fc01a4e6bbaab58a4b38a355c68e63de81faccf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nullable_result-15ff17496a030c73)
[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-c39b0fc28aab36e6)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-6b8013f497733370)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test option_and_back::err ... ok
[INFO] [stdout] test option_and_back::ok ... ok
[INFO] [stdout] test result_and_back::err ... ok
[INFO] [stdout] test option_and_back::none ... 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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test err ... ok
[INFO] [stdout] test ok ... ok
[INFO] [stdout] test none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nullable-result
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - NullableResult (line 29) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 68) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 49) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 473) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 60) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 42) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 456) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a98382c037dbf4e9d14d4d8f2fc01a4e6bbaab58a4b38a355c68e63de81faccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98382c037dbf4e9d14d4d8f2fc01a4e6bbaab58a4b38a355c68e63de81faccf", kill_on_drop: false }`
[INFO] [stdout] a98382c037dbf4e9d14d4d8f2fc01a4e6bbaab58a4b38a355c68e63de81faccf