[INFO] fetching crate nullable-result 0.7.0...
[INFO] testing nullable-result-0.7.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate nullable-result 0.7.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nullable-result 0.7.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ed085f5089b1018ffb8847c3100e0b3b4bc17cb00ccec16be3e3a68181a0d9e
[INFO] running `Command { std: "docker" "start" "-a" "3ed085f5089b1018ffb8847c3100e0b3b4bc17cb00ccec16be3e3a68181a0d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed085f5089b1018ffb8847c3100e0b3b4bc17cb00ccec16be3e3a68181a0d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed085f5089b1018ffb8847c3100e0b3b4bc17cb00ccec16be3e3a68181a0d9e", kill_on_drop: false }`
[INFO] [stdout] 3ed085f5089b1018ffb8847c3100e0b3b4bc17cb00ccec16be3e3a68181a0d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34a5b39fb84a484588b1f549a3083ef143f1fad2bb2d68f39c6814beb1e61c9e
[INFO] running `Command { std: "docker" "start" "-a" "34a5b39fb84a484588b1f549a3083ef143f1fad2bb2d68f39c6814beb1e61c9e", 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 0.52s
[INFO] running `Command { std: "docker" "inspect" "34a5b39fb84a484588b1f549a3083ef143f1fad2bb2d68f39c6814beb1e61c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a5b39fb84a484588b1f549a3083ef143f1fad2bb2d68f39c6814beb1e61c9e", kill_on_drop: false }`
[INFO] [stdout] 34a5b39fb84a484588b1f549a3083ef143f1fad2bb2d68f39c6814beb1e61c9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df52a07a1010cb6653e2d0aed08107843e144d4f13cd7ee0ca40cb9cbdd44ba7
[INFO] running `Command { std: "docker" "start" "-a" "df52a07a1010cb6653e2d0aed08107843e144d4f13cd7ee0ca40cb9cbdd44ba7", 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 0.53s
[INFO] running `Command { std: "docker" "inspect" "df52a07a1010cb6653e2d0aed08107843e144d4f13cd7ee0ca40cb9cbdd44ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df52a07a1010cb6653e2d0aed08107843e144d4f13cd7ee0ca40cb9cbdd44ba7", kill_on_drop: false }`
[INFO] [stdout] df52a07a1010cb6653e2d0aed08107843e144d4f13cd7ee0ca40cb9cbdd44ba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9eae05066f95d4ed396571670226eabd0c2b1858f647553b554619f461f3dcfd
[INFO] running `Command { std: "docker" "start" "-a" "9eae05066f95d4ed396571670226eabd0c2b1858f647553b554619f461f3dcfd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nullable_result-7d3570ddc0f8869b)
[INFO] [stderr]      Running tests/basic_usage.rs (/opt/rustwide/target/debug/deps/basic_usage-1b226823d7b9b352)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test option_and_back::ok ... ok
[INFO] [stderr]      Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-c494619a709fe7d0)
[INFO] [stdout] test option_and_back::err ... ok
[INFO] [stdout] test result_and_back::none ... ok
[INFO] [stdout] test result_and_back::ok ... ok
[INFO] [stdout] test option_and_back::none ... ok
[INFO] [stdout] test result_and_back::err ... 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 47) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 462) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 34) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 65) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 54) ... 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 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9eae05066f95d4ed396571670226eabd0c2b1858f647553b554619f461f3dcfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eae05066f95d4ed396571670226eabd0c2b1858f647553b554619f461f3dcfd", kill_on_drop: false }`
[INFO] [stdout] 9eae05066f95d4ed396571670226eabd0c2b1858f647553b554619f461f3dcfd