[INFO] fetching crate xcept 0.0.1...
[INFO] testing xcept-0.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate xcept 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate xcept 0.0.1
[INFO] finished tweaking crates.io crate xcept 0.0.1
[INFO] tweaked toml for crates.io crate xcept 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xcept 0.0.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xcept 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bfe38e2b4c4b25a4ac345d47cf7b377759ddaf6da7c03e850e067c1ad1c4b8d
[INFO] running `Command { std: "docker" "start" "-a" "1bfe38e2b4c4b25a4ac345d47cf7b377759ddaf6da7c03e850e067c1ad1c4b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bfe38e2b4c4b25a4ac345d47cf7b377759ddaf6da7c03e850e067c1ad1c4b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bfe38e2b4c4b25a4ac345d47cf7b377759ddaf6da7c03e850e067c1ad1c4b8d", kill_on_drop: false }`
[INFO] [stdout] 1bfe38e2b4c4b25a4ac345d47cf7b377759ddaf6da7c03e850e067c1ad1c4b8d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d163c8cebc649d3cd7d221cfd67cc00ff09beda76d6f9425192256b56e9e4af6
[INFO] running `Command { std: "docker" "start" "-a" "d163c8cebc649d3cd7d221cfd67cc00ff09beda76d6f9425192256b56e9e4af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling xcept v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "d163c8cebc649d3cd7d221cfd67cc00ff09beda76d6f9425192256b56e9e4af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d163c8cebc649d3cd7d221cfd67cc00ff09beda76d6f9425192256b56e9e4af6", kill_on_drop: false }`
[INFO] [stdout] d163c8cebc649d3cd7d221cfd67cc00ff09beda76d6f9425192256b56e9e4af6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1d11ecef945ac4a33017e872f5756a10ff68c109d10e9e799f889692f7861bd
[INFO] running `Command { std: "docker" "start" "-a" "d1d11ecef945ac4a33017e872f5756a10ff68c109d10e9e799f889692f7861bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling xcept v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/hello-world.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct CustomError(i32);
[INFO] [stdout]   |        ----------- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/multi-handler.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct CustomError(i32);
[INFO] [stdout]   |        ----------- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `CustomError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "d1d11ecef945ac4a33017e872f5756a10ff68c109d10e9e799f889692f7861bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d11ecef945ac4a33017e872f5756a10ff68c109d10e9e799f889692f7861bd", kill_on_drop: false }`
[INFO] [stdout] d1d11ecef945ac4a33017e872f5756a10ff68c109d10e9e799f889692f7861bd
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98d466cf9c0b4d2c6c1c5621c83ed0217f821813b7dc11239735bc4738d7b90a
[INFO] running `Command { std: "docker" "start" "-a" "98d466cf9c0b4d2c6c1c5621c83ed0217f821813b7dc11239735bc4738d7b90a", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/multi-handler.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct CustomError(i32);
[INFO] [stderr]   |        ----------- ^^^
[INFO] [stderr]   |        |
[INFO] [stderr]   |        field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `CustomError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `xcept` (example "multi-handler") generated 1 warning
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/hello-world.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct CustomError(i32);
[INFO] [stderr]   |        ----------- ^^^
[INFO] [stderr]   |        |
[INFO] [stderr]   |        field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `xcept` (example "hello-world") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xcept-aea5f277a78f0cff)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::error_without_scopes ... ok
[INFO] [stdout] test tests::try_or_handle_one ... ok
[INFO] [stdout] test tests::multi_handlers ... ok
[INFO] [stdout] test tests::multi_handlers_with_refs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xcept
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - Result<T>::new_with_error_id (line 64) ... FAILED
[INFO] [stdout] test src/multihandler.rs - multihandler::builder (line 134) ... FAILED
[INFO] [stdout] test src/multihandler.rs - multihandler::Builder<T>::handle (line 96) ... FAILED
[INFO] [stdout] test src/lib.rs - Result<T>::new_error (line 90) ... ok
[INFO] [stdout] test src/lib.rs - Result<T>::new (line 39) ... ok
[INFO] [stdout] test src/lib.rs - Result<T>::is_error (line 128) ... ok
[INFO] [stdout] test src/lib.rs - Result<T>::is_ok (line 108) ... ok
[INFO] [stdout] test src/lib.rs - try_or_handle_one (line 211) ... ok
[INFO] [stdout] test src/multihandler.rs - multihandler::try_or_handle (line 156) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Result<T>::new_with_error_id (line 64) stdout ----
[INFO] [stdout] error[E0282]: type annotations needed for `xcept::Result<_>`
[INFO] [stdout]  --> src/lib.rs:66:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | let res = xcept::Result::new_with_error_id(1);
[INFO] [stdout]   |     ^^^   ----------------------------------- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving `res` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]   |
[INFO] [stdout] 5 | let res: xcept::Result<T> = xcept::Result::new_with_error_id(1);
[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 E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multihandler.rs - multihandler::builder (line 134) stdout ----
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/multihandler.rs:136:58
[INFO] [stdout]   |
[INFO] [stdout] 5 | let _handlers = xcept::builder(|_err: std::io::Error| -1.into())
[INFO] [stdout]   |                                                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]   |
[INFO] [stdout] 5 - let _handlers = xcept::builder(|_err: std::io::Error| -1.into())
[INFO] [stdout] 5 + let _handlers = xcept::builder(|_err: std::io::Error| -<_ as Into<T>>::into(1))
[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 E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/multihandler.rs - multihandler::Builder<T>::handle (line 96) stdout ----
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/multihandler.rs:98:58
[INFO] [stdout]   |
[INFO] [stdout] 5 | let _handlers = xcept::builder(|_err: std::io::Error| -1.into())
[INFO] [stdout]   |                                                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]   |
[INFO] [stdout] 5 - let _handlers = xcept::builder(|_err: std::io::Error| -1.into())
[INFO] [stdout] 5 + let _handlers = xcept::builder(|_err: std::io::Error| -<_ as Into<T>>::into(1))
[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 E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Result<T>::new_with_error_id (line 64)
[INFO] [stdout]     src/multihandler.rs - multihandler::Builder<T>::handle (line 96)
[INFO] [stdout]     src/multihandler.rs - multihandler::builder (line 134)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "98d466cf9c0b4d2c6c1c5621c83ed0217f821813b7dc11239735bc4738d7b90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d466cf9c0b4d2c6c1c5621c83ed0217f821813b7dc11239735bc4738d7b90a", kill_on_drop: false }`
[INFO] [stdout] 98d466cf9c0b4d2c6c1c5621c83ed0217f821813b7dc11239735bc4738d7b90a