[INFO] fetching crate try-unwrap 1.0.0...
[INFO] testing try-unwrap-1.0.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate try-unwrap 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate try-unwrap 1.0.0
[INFO] finished tweaking crates.io crate try-unwrap 1.0.0
[INFO] tweaked toml for crates.io crate try-unwrap 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate try-unwrap 1.0.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 912dae75fa95e9815e760e1d25ee59c5c194df604c602f035b5b4d1bf18c6d79
[INFO] running `Command { std: "docker" "start" "-a" "912dae75fa95e9815e760e1d25ee59c5c194df604c602f035b5b4d1bf18c6d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "912dae75fa95e9815e760e1d25ee59c5c194df604c602f035b5b4d1bf18c6d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912dae75fa95e9815e760e1d25ee59c5c194df604c602f035b5b4d1bf18c6d79", kill_on_drop: false }`
[INFO] [stdout] 912dae75fa95e9815e760e1d25ee59c5c194df604c602f035b5b4d1bf18c6d79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7fdea1055e00ac0fb3d57628fc9923374f8fc77b2f42f5933ca8544154632bf
[INFO] running `Command { std: "docker" "start" "-a" "a7fdea1055e00ac0fb3d57628fc9923374f8fc77b2f42f5933ca8544154632bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling try-unwrap v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "a7fdea1055e00ac0fb3d57628fc9923374f8fc77b2f42f5933ca8544154632bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fdea1055e00ac0fb3d57628fc9923374f8fc77b2f42f5933ca8544154632bf", kill_on_drop: false }`
[INFO] [stdout] a7fdea1055e00ac0fb3d57628fc9923374f8fc77b2f42f5933ca8544154632bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c53cecf0f203f8cfedd900a186a98998d534ca7f10ffb4c39957ef7396f6fef
[INFO] running `Command { std: "docker" "start" "-a" "4c53cecf0f203f8cfedd900a186a98998d534ca7f10ffb4c39957ef7396f6fef", kill_on_drop: false }`
[INFO] [stderr]    Compiling try-unwrap v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "4c53cecf0f203f8cfedd900a186a98998d534ca7f10ffb4c39957ef7396f6fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c53cecf0f203f8cfedd900a186a98998d534ca7f10ffb4c39957ef7396f6fef", kill_on_drop: false }`
[INFO] [stdout] 4c53cecf0f203f8cfedd900a186a98998d534ca7f10ffb4c39957ef7396f6fef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b808cb069d91522d929c7d3bef377bfd86503254239016680720b77f004e725
[INFO] running `Command { std: "docker" "start" "-a" "1b808cb069d91522d929c7d3bef377bfd86503254239016680720b77f004e725", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/try_unwrap-f889feee413ce159)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_option ... ok
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests try_unwrap
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Result<T,E>::try_unwrap (line 14) ... FAILED
[INFO] [stdout] test src/lib.rs - Option<T>::try_unwrap (line 40) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Result<T,E>::try_unwrap (line 14) stdout ----
[INFO] [stdout] error[E0599]: no method named `try_unwrap` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]  --> src/lib.rs:17:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(ok.try_unwrap(), Ok(3));
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: /opt/rustwide/workdir/src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn try_unwrap(self) -> Result<Self::T, Self::E>;
[INFO] [stdout]   |        ---------- the method is available for `Result<i32, ()>` here
[INFO] [stdout]   |
[INFO] [stdout]   = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `TryUnwrapResult` which provides `try_unwrap` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]   |
[INFO] [stdout] 2 + use crate::try_unwrap::TryUnwrapResult;
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `unwrap` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 - assert_eq!(ok.try_unwrap(), Ok(3));
[INFO] [stdout] 6 + assert_eq!(ok.unwrap(), Ok(3));
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `try_unwrap` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]  --> src/lib.rs:19:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(err.try_unwrap(), Err(2));
[INFO] [stdout]   |                ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: /opt/rustwide/workdir/src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn try_unwrap(self) -> Result<Self::T, Self::E>;
[INFO] [stdout]   |        ---------- the method is available for `Result<(), i32>` here
[INFO] [stdout]   |
[INFO] [stdout]   = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `TryUnwrapResult` which provides `try_unwrap` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]   |
[INFO] [stdout] 2 + use crate::try_unwrap::TryUnwrapResult;
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `unwrap` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 8 - assert_eq!(err.try_unwrap(), Err(2));
[INFO] [stdout] 8 + assert_eq!(err.unwrap(), Err(2));
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Option<T>::try_unwrap (line 40) stdout ----
[INFO] [stdout] error[E0599]: no method named `try_unwrap` found for enum `Option<T>` in the current scope
[INFO] [stdout]   --> src/lib.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout]  6 | assert_eq!(some.try_unwrap(), Some(4));
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn try_unwrap(self) -> Option<Self::T>;
[INFO] [stdout]    |        ---------- the method is available for `Option<i32>` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `TryUnwrapOption` which provides `try_unwrap` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  2 + use crate::try_unwrap::TryUnwrapOption;
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `unwrap` with a similar name
[INFO] [stdout]    |
[INFO] [stdout]  6 - assert_eq!(some.try_unwrap(), Some(4));
[INFO] [stdout]  6 + assert_eq!(some.unwrap(), Some(4));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `try_unwrap` found for enum `Option<T>` in the current scope
[INFO] [stdout]   --> src/lib.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout]  8 | assert_eq!(none.try_unwrap(), None);
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn try_unwrap(self) -> Option<Self::T>;
[INFO] [stdout]    |        ---------- the method is available for `Option<i32>` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `TryUnwrapOption` which provides `try_unwrap` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout]  2 + use crate::try_unwrap::TryUnwrapOption;
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `unwrap` with a similar name
[INFO] [stdout]    |
[INFO] [stdout]  8 - assert_eq!(none.try_unwrap(), None);
[INFO] [stdout]  8 + assert_eq!(none.unwrap(), None);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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 - Option<T>::try_unwrap (line 40)
[INFO] [stdout]     src/lib.rs - Result<T,E>::try_unwrap (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1b808cb069d91522d929c7d3bef377bfd86503254239016680720b77f004e725", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b808cb069d91522d929c7d3bef377bfd86503254239016680720b77f004e725", kill_on_drop: false }`
[INFO] [stdout] 1b808cb069d91522d929c7d3bef377bfd86503254239016680720b77f004e725