[INFO] fetching crate nullable-result 0.6.0...
[INFO] testing nullable-result-0.6.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate nullable-result 0.6.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate nullable-result 0.6.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a516dbbb0051e674a0190c5c620386a08e75b3affe0eea526ddc997a85c877c3
[INFO] running `Command { std: "docker" "start" "-a" "a516dbbb0051e674a0190c5c620386a08e75b3affe0eea526ddc997a85c877c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a516dbbb0051e674a0190c5c620386a08e75b3affe0eea526ddc997a85c877c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a516dbbb0051e674a0190c5c620386a08e75b3affe0eea526ddc997a85c877c3", kill_on_drop: false }`
[INFO] [stdout] a516dbbb0051e674a0190c5c620386a08e75b3affe0eea526ddc997a85c877c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1d26250095f2dac274b5b3e183171163312ba689c744673b61c1d3f59473322
[INFO] running `Command { std: "docker" "start" "-a" "e1d26250095f2dac274b5b3e183171163312ba689c744673b61c1d3f59473322", 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "e1d26250095f2dac274b5b3e183171163312ba689c744673b61c1d3f59473322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d26250095f2dac274b5b3e183171163312ba689c744673b61c1d3f59473322", kill_on_drop: false }`
[INFO] [stdout] e1d26250095f2dac274b5b3e183171163312ba689c744673b61c1d3f59473322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08b944abd6c3cebed26938ef80378d1893986e17500f95d4701119d464e7c697
[INFO] running `Command { std: "docker" "start" "-a" "08b944abd6c3cebed26938ef80378d1893986e17500f95d4701119d464e7c697", 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 test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "08b944abd6c3cebed26938ef80378d1893986e17500f95d4701119d464e7c697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b944abd6c3cebed26938ef80378d1893986e17500f95d4701119d464e7c697", kill_on_drop: false }`
[INFO] [stdout] 08b944abd6c3cebed26938ef80378d1893986e17500f95d4701119d464e7c697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d190a4b570f4433c1e1d0d53d6e5f6ed8fc53a48ca143bdb7a62a079206dc19
[INFO] running `Command { std: "docker" "start" "-a" "8d190a4b570f4433c1e1d0d53d6e5f6ed8fc53a48ca143bdb7a62a079206dc19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nullable_result-15ff17496a030c73)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_usage.rs (/opt/rustwide/target/debug/deps/basic_usage-c39b0fc28aab36e6)
[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/macro.rs (/opt/rustwide/target/debug/deps/macro-6b8013f497733370)
[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] [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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nullable-result
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - NullableResult (line 68) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 42) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 29) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 456) ... 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 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d190a4b570f4433c1e1d0d53d6e5f6ed8fc53a48ca143bdb7a62a079206dc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d190a4b570f4433c1e1d0d53d6e5f6ed8fc53a48ca143bdb7a62a079206dc19", kill_on_drop: false }`
[INFO] [stdout] 8d190a4b570f4433c1e1d0d53d6e5f6ed8fc53a48ca143bdb7a62a079206dc19