[INFO] fetching crate nullable-result 0.7.0...
[INFO] testing nullable-result-0.7.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate nullable-result 0.7.0 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nullable-result 0.7.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27be3e700f7d9a761888afd0af0bed55ee65a76971a4c0a87128f0341d8edcda
[INFO] running `Command { std: "docker" "start" "-a" "27be3e700f7d9a761888afd0af0bed55ee65a76971a4c0a87128f0341d8edcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27be3e700f7d9a761888afd0af0bed55ee65a76971a4c0a87128f0341d8edcda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27be3e700f7d9a761888afd0af0bed55ee65a76971a4c0a87128f0341d8edcda", kill_on_drop: false }`
[INFO] [stdout] 27be3e700f7d9a761888afd0af0bed55ee65a76971a4c0a87128f0341d8edcda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a934203a3247cb24793a8b1d4486f44ee34f10dc7a237e528a7ee3018f0468d8
[INFO] running `Command { std: "docker" "start" "-a" "a934203a3247cb24793a8b1d4486f44ee34f10dc7a237e528a7ee3018f0468d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling nullable-result v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "a934203a3247cb24793a8b1d4486f44ee34f10dc7a237e528a7ee3018f0468d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a934203a3247cb24793a8b1d4486f44ee34f10dc7a237e528a7ee3018f0468d8", kill_on_drop: false }`
[INFO] [stdout] a934203a3247cb24793a8b1d4486f44ee34f10dc7a237e528a7ee3018f0468d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97d4f2fbbbe820f69e9912b373891fefc3947d9c396133bdf9cf8ebde875550f
[INFO] running `Command { std: "docker" "start" "-a" "97d4f2fbbbe820f69e9912b373891fefc3947d9c396133bdf9cf8ebde875550f", kill_on_drop: false }`
[INFO] [stderr]    Compiling nullable-result v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "97d4f2fbbbe820f69e9912b373891fefc3947d9c396133bdf9cf8ebde875550f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d4f2fbbbe820f69e9912b373891fefc3947d9c396133bdf9cf8ebde875550f", kill_on_drop: false }`
[INFO] [stdout] 97d4f2fbbbe820f69e9912b373891fefc3947d9c396133bdf9cf8ebde875550f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d23799fe55a122b7306c9f84447fc7e9143411960fcfb4f308f509d4d22f3d2b
[INFO] running `Command { std: "docker" "start" "-a" "d23799fe55a122b7306c9f84447fc7e9143411960fcfb4f308f509d4d22f3d2b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nullable_result-7d3570ddc0f8869b)
[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-1b226823d7b9b352)
[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-c494619a709fe7d0)
[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 73) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 54) ... ok
[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 - extract (line 462) ... 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 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d23799fe55a122b7306c9f84447fc7e9143411960fcfb4f308f509d4d22f3d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23799fe55a122b7306c9f84447fc7e9143411960fcfb4f308f509d4d22f3d2b", kill_on_drop: false }`
[INFO] [stdout] d23799fe55a122b7306c9f84447fc7e9143411960fcfb4f308f509d4d22f3d2b