[INFO] fetching crate nullable-result 0.7.0...
[INFO] testing nullable-result-0.7.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate nullable-result 0.7.0 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nullable-result 0.7.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1901bf57da133e87f9a19f3ac3d20b7bd75fa2b3a72ae5fb1beb651af16d5bc
[INFO] running `Command { std: "docker" "start" "-a" "b1901bf57da133e87f9a19f3ac3d20b7bd75fa2b3a72ae5fb1beb651af16d5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1901bf57da133e87f9a19f3ac3d20b7bd75fa2b3a72ae5fb1beb651af16d5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1901bf57da133e87f9a19f3ac3d20b7bd75fa2b3a72ae5fb1beb651af16d5bc", kill_on_drop: false }`
[INFO] [stdout] b1901bf57da133e87f9a19f3ac3d20b7bd75fa2b3a72ae5fb1beb651af16d5bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82183666465c50ebf78942f4130762f82993e8e4334be854bb12bbb3561277ea
[INFO] running `Command { std: "docker" "start" "-a" "82183666465c50ebf78942f4130762f82993e8e4334be854bb12bbb3561277ea", 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "82183666465c50ebf78942f4130762f82993e8e4334be854bb12bbb3561277ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82183666465c50ebf78942f4130762f82993e8e4334be854bb12bbb3561277ea", kill_on_drop: false }`
[INFO] [stdout] 82183666465c50ebf78942f4130762f82993e8e4334be854bb12bbb3561277ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b66b4b585c408159afe905bd9dc9f173d050da43cc288b9ae9677f5ed4d8ae8
[INFO] running `Command { std: "docker" "start" "-a" "2b66b4b585c408159afe905bd9dc9f173d050da43cc288b9ae9677f5ed4d8ae8", 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 0.56s
[INFO] running `Command { std: "docker" "inspect" "2b66b4b585c408159afe905bd9dc9f173d050da43cc288b9ae9677f5ed4d8ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b66b4b585c408159afe905bd9dc9f173d050da43cc288b9ae9677f5ed4d8ae8", kill_on_drop: false }`
[INFO] [stdout] 2b66b4b585c408159afe905bd9dc9f173d050da43cc288b9ae9677f5ed4d8ae8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64896a1447433be9909479bac94b354daa3038b51e05174eb3203993a0e0d9f5
[INFO] running `Command { std: "docker" "start" "-a" "64896a1447433be9909479bac94b354daa3038b51e05174eb3203993a0e0d9f5", 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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_usage.rs (/opt/rustwide/target/debug/deps/basic_usage-f2ad931519f3d168)
[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::none ... ok
[INFO] [stdout] test option_and_back::err ... ok
[INFO] [stdout] test result_and_back::err ... ok
[INFO] [stdout] test option_and_back::ok ... ok
[INFO] [stdout] test result_and_back::ok ... ok
[INFO] [stdout] test result_and_back::none ... 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] [stderr]      Running tests/macro.rs (/opt/rustwide/target/debug/deps/macro-4db184b131e8cff9)
[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 34) ... ok
[INFO] [stdout] test src/lib.rs - extract (line 479) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 47) ... ok
[INFO] [stdout] test src/lib.rs - NullableResult (line 73) ... 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 - extract (line 462) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64896a1447433be9909479bac94b354daa3038b51e05174eb3203993a0e0d9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64896a1447433be9909479bac94b354daa3038b51e05174eb3203993a0e0d9f5", kill_on_drop: false }`
[INFO] [stdout] 64896a1447433be9909479bac94b354daa3038b51e05174eb3203993a0e0d9f5