[INFO] fetching crate error_mancer 0.4.3...
[INFO] checking error_mancer-0.4.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate error_mancer 0.4.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate error_mancer 0.4.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate error_mancer 0.4.3
[INFO] tweaked toml for crates.io crate error_mancer 0.4.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate error_mancer 0.4.3 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate error_mancer 0.4.3 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8175a1020e5951ffd2cdba95dcc036ea4d86c651ca326ff3b05714417e584b4
[INFO] running `Command { std: "docker" "start" "-a" "c8175a1020e5951ffd2cdba95dcc036ea4d86c651ca326ff3b05714417e584b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8175a1020e5951ffd2cdba95dcc036ea4d86c651ca326ff3b05714417e584b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8175a1020e5951ffd2cdba95dcc036ea4d86c651ca326ff3b05714417e584b4", kill_on_drop: false }`
[INFO] [stdout] c8175a1020e5951ffd2cdba95dcc036ea4d86c651ca326ff3b05714417e584b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db78a39ff310a8c9ae6d6fc16c4014db0276f41a8a17eee6e43d56bf44a2bcc6
[INFO] running `Command { std: "docker" "start" "-a" "db78a39ff310a8c9ae6d6fc16c4014db0276f41a8a17eee6e43d56bf44a2bcc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking winnow v0.6.20
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]    Compiling error_mancer_macros v0.4.3
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking error_mancer v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking trybuild v1.0.101
[INFO] [stdout] warning: struct `Err1` is never constructed
[INFO] [stdout]  --> tests/derive.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Err1;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bar` is never used
[INFO] [stdout]   --> tests/derive.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn bar() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bar` is never constructed
[INFO] [stdout]   --> tests/derive.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Bar;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Err1` is never constructed
[INFO] [stdout]  --> tests/name.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Err1;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Test` is never constructed
[INFO] [stdout]   --> tests/basic.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Test;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, FooError>
[INFO] [stdout]  --> tests/basic.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the attribute macro `errors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, FooError>, i32>
[INFO] [stdout]  --> tests/basic.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, FooError>
[INFO] [stdout]   --> tests/basic.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |   fn foo() -> Result<i32, _> {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 11 | |     Ok(10)
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, FooError>
[INFO] [stdout]   --> tests/basic.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Ok(10)
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, FooError>
[INFO] [stdout]  --> tests/basic.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, FooError>
[INFO] [stdout]   --> tests/basic.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     assert_eq!(foo().unwrap(), 10);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error_mancer` (test "basic") due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]  --> tests/async.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]  --> tests/async.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `errors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, AsyncWorksError>, i32>
[INFO] [stdout]  --> tests/async.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]  --> tests/async.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]   --> tests/async.rs:9:42
[INFO] [stdout]    |
[INFO] [stdout]  9 |   async fn async_works() -> Result<i32, _> {
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 10 | |     Ok(foo().await)
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]   --> tests/async.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Ok(foo().await)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]  --> tests/async.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]  --> tests/async.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]  --> tests/async.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]   --> tests/async.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(async_works().await, Ok(10));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]   --> tests/async.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(async_works().await, Ok(10));
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]   --> tests/async.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(async_works().await, Ok(10));
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]   --> tests/async.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(async_works().await, Ok(10));
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]   --> tests/async.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(async_works().await, Ok(10));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]   --> tests/async.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(async_works().await, Ok(10));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]   --> tests/async.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(async_works().await, Ok(10));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, AsyncWorksError>
[INFO] [stdout]   --> tests/async.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     assert_eq!(async_works().await, Ok(10));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, NoErrorsFooError>, i32>
[INFO] [stdout]  --> tests/anyhow.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, NoErrorsFooError>
[INFO] [stdout]  --> tests/anyhow.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[errors]
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `errors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, NoErrorsFooError>
[INFO] [stdout]  --> tests/anyhow.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 |   fn no_errors_foo() -> Result<i32> {
[INFO] [stdout]   |  ___________________________________^
[INFO] [stdout] 6 | |     Ok(10)
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, NoErrorsFooError>
[INFO] [stdout]  --> tests/anyhow.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Ok(10)
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, DoubleError>, i32>
[INFO] [stdout]   --> tests/anyhow.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[errors]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, DoubleError>
[INFO] [stdout]   --> tests/anyhow.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[errors]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `errors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, DoubleError>
[INFO] [stdout]   --> tests/anyhow.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 |   fn double(x: i32) -> Result<i32> {
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 16 | |     Ok(x * 2)
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, DoubleError>
[INFO] [stdout]   --> tests/anyhow.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Ok(x * 2)
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, FooError>, i32>
[INFO] [stdout]   --> tests/anyhow.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[errors]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, FooError>
[INFO] [stdout]   --> tests/anyhow.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[errors]
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `errors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, FooError>
[INFO] [stdout]   --> tests/anyhow.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 |       fn foo(&self) -> Result<i32> {
[INFO] [stdout]    |  __________________________________^
[INFO] [stdout] 34 | |         Ok(10)
[INFO] [stdout] 35 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, FooError>
[INFO] [stdout]   --> tests/anyhow.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Ok(10)
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error_mancer` (test "async") due to 17 previous errors
[INFO] [stderr] error: could not compile `error_mancer` (test "anyhow") due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "db78a39ff310a8c9ae6d6fc16c4014db0276f41a8a17eee6e43d56bf44a2bcc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db78a39ff310a8c9ae6d6fc16c4014db0276f41a8a17eee6e43d56bf44a2bcc6", kill_on_drop: false }`
[INFO] [stdout] db78a39ff310a8c9ae6d6fc16c4014db0276f41a8a17eee6e43d56bf44a2bcc6