[INFO] fetching crate nullable-result 0.6.0...
[INFO] testing nullable-result-0.6.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate nullable-result 0.6.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate nullable-result 0.6.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed955a53583a3bd958450a9dcb7065c7c3a82ac256839f37d438cc638192270a
[INFO] running `Command { std: "docker" "start" "-a" "ed955a53583a3bd958450a9dcb7065c7c3a82ac256839f37d438cc638192270a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed955a53583a3bd958450a9dcb7065c7c3a82ac256839f37d438cc638192270a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed955a53583a3bd958450a9dcb7065c7c3a82ac256839f37d438cc638192270a", kill_on_drop: false }`
[INFO] [stdout] ed955a53583a3bd958450a9dcb7065c7c3a82ac256839f37d438cc638192270a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a74fdc52cdc73ae8a044ff9d7ed1cc6deb1f40a088c1f706fa6207ebdff20704
[INFO] running `Command { std: "docker" "start" "-a" "a74fdc52cdc73ae8a044ff9d7ed1cc6deb1f40a088c1f706fa6207ebdff20704", 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 2.51s
[INFO] running `Command { std: "docker" "inspect" "a74fdc52cdc73ae8a044ff9d7ed1cc6deb1f40a088c1f706fa6207ebdff20704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74fdc52cdc73ae8a044ff9d7ed1cc6deb1f40a088c1f706fa6207ebdff20704", kill_on_drop: false }`
[INFO] [stdout] a74fdc52cdc73ae8a044ff9d7ed1cc6deb1f40a088c1f706fa6207ebdff20704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c830ee6dd53dcb321f8b749e51a398002c88245718c1ffb4cfea69498c5e0b91
[INFO] running `Command { std: "docker" "start" "-a" "c830ee6dd53dcb321f8b749e51a398002c88245718c1ffb4cfea69498c5e0b91", kill_on_drop: false }`
[INFO] [stderr]    Compiling nullable-result v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "c830ee6dd53dcb321f8b749e51a398002c88245718c1ffb4cfea69498c5e0b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c830ee6dd53dcb321f8b749e51a398002c88245718c1ffb4cfea69498c5e0b91", kill_on_drop: false }`
[INFO] [stdout] c830ee6dd53dcb321f8b749e51a398002c88245718c1ffb4cfea69498c5e0b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db6a0f9a2cc06097189fdbbedb9e9a210603e8ff66ae2514f7ae1f3f9f7ed568
[INFO] running `Command { std: "docker" "start" "-a" "db6a0f9a2cc06097189fdbbedb9e9a210603e8ff66ae2514f7ae1f3f9f7ed568", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[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] [stdout] running 6 tests
[INFO] [stdout] test option_and_back::err ... ok
[INFO] [stdout] test option_and_back::ok ... ok
[INFO] [stdout] test option_and_back::none ... ok
[INFO] [stdout] test result_and_back::err ... ok
[INFO] [stdout] test result_and_back::none ... ok
[INFO] [stderr]      Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-6b8013f497733370)
[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 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests nullable-result
[INFO] [stdout] test ok ... ok
[INFO] [stdout] test err ... 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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - NullableResult (line 29) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 49) ... 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] test src/lib.rs - NullableResult (line 68) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 473) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db6a0f9a2cc06097189fdbbedb9e9a210603e8ff66ae2514f7ae1f3f9f7ed568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6a0f9a2cc06097189fdbbedb9e9a210603e8ff66ae2514f7ae1f3f9f7ed568", kill_on_drop: false }`
[INFO] [stdout] db6a0f9a2cc06097189fdbbedb9e9a210603e8ff66ae2514f7ae1f3f9f7ed568