[INFO] fetching crate postfix_assert 0.1.1...
[INFO] testing postfix_assert-0.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate postfix_assert 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate postfix_assert 0.1.1
[INFO] finished tweaking crates.io crate postfix_assert 0.1.1
[INFO] tweaked toml for crates.io crate postfix_assert 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate postfix_assert 0.1.1 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7f0921d03e74b18a4b5c0067d376ae1e3c845ddd6323f67b6c76fb0f61c88af9
[INFO] running `Command { std: "docker" "start" "-a" "7f0921d03e74b18a4b5c0067d376ae1e3c845ddd6323f67b6c76fb0f61c88af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f0921d03e74b18a4b5c0067d376ae1e3c845ddd6323f67b6c76fb0f61c88af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0921d03e74b18a4b5c0067d376ae1e3c845ddd6323f67b6c76fb0f61c88af9", kill_on_drop: false }`
[INFO] [stdout] 7f0921d03e74b18a4b5c0067d376ae1e3c845ddd6323f67b6c76fb0f61c88af9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a6818dee34f327e0b50e535ed5a0c7beed7db73d76bf3b289b92c821d7fd4c19
[INFO] running `Command { std: "docker" "start" "-a" "a6818dee34f327e0b50e535ed5a0c7beed7db73d76bf3b289b92c821d7fd4c19", kill_on_drop: false }`
[INFO] [stderr]    Compiling postfix_assert v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "a6818dee34f327e0b50e535ed5a0c7beed7db73d76bf3b289b92c821d7fd4c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6818dee34f327e0b50e535ed5a0c7beed7db73d76bf3b289b92c821d7fd4c19", kill_on_drop: false }`
[INFO] [stdout] a6818dee34f327e0b50e535ed5a0c7beed7db73d76bf3b289b92c821d7fd4c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ad6616b86a6dfe71a5b311db6fa8c8c8b1fb68a1848816b55363368e54997e37
[INFO] running `Command { std: "docker" "start" "-a" "ad6616b86a6dfe71a5b311db6fa8c8c8b1fb68a1848816b55363368e54997e37", kill_on_drop: false }`
[INFO] [stderr]    Compiling postfix_assert v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "ad6616b86a6dfe71a5b311db6fa8c8c8b1fb68a1848816b55363368e54997e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6616b86a6dfe71a5b311db6fa8c8c8b1fb68a1848816b55363368e54997e37", kill_on_drop: false }`
[INFO] [stdout] ad6616b86a6dfe71a5b311db6fa8c8c8b1fb68a1848816b55363368e54997e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4b57703eeceeb499184bcc2cc0fcaa5f2f82c13b36ef604da991b2099da6b9e2
[INFO] running `Command { std: "docker" "start" "-a" "4b57703eeceeb499184bcc2cc0fcaa5f2f82c13b36ef604da991b2099da6b9e2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/postfix_assert-627a08beaee6396b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test option::tests::assert_option_chaining ... ok
[INFO] [stdout] test option::tests::assert_none ... ok
[INFO] [stdout] test option::tests::assert_some ... ok
[INFO] [stdout] test option::tests::assert_option_chaining_panic - should panic ... ok
[INFO] [stdout] test option::tests::assert_none_panic - should panic ... ok
[INFO] [stdout] test option::tests::assert_some_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests postfix_assert
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] error[E0599]: no method named `assert_some` found for enum `Option<T>` in the current scope
[INFO] [stdout]   --> src/lib.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | / computation_producing_some()
[INFO] [stdout] 18 | |     .assert_some()
[INFO] [stdout]    | |_____-^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `is_some` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 18 -     .assert_some()
[INFO] [stdout] 18 +     .is_some()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4b57703eeceeb499184bcc2cc0fcaa5f2f82c13b36ef604da991b2099da6b9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b57703eeceeb499184bcc2cc0fcaa5f2f82c13b36ef604da991b2099da6b9e2", kill_on_drop: false }`
[INFO] [stdout] 4b57703eeceeb499184bcc2cc0fcaa5f2f82c13b36ef604da991b2099da6b9e2