[INFO] fetching crate arc-guard 0.2.0...
[INFO] extracting crate arc-guard 0.2.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/arc-guard/0.2.0
[INFO] extracting crate arc-guard 0.2.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/arc-guard/0.2.0
[INFO] validating manifest of arc-guard-0.2.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arc-guard-0.2.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing arc-guard-0.2.0
[INFO] finished frobbing arc-guard-0.2.0
[INFO] frobbed toml for arc-guard-0.2.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/arc-guard/0.2.0/Cargo.toml
[INFO] started frobbing arc-guard-0.2.0
[INFO] finished frobbing arc-guard-0.2.0
[INFO] frobbed toml for arc-guard-0.2.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/arc-guard/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing arc-guard-0.2.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/arc-guard/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] e17a84efc76b1643650460cc7e14ffc64743a38213945be76f279a94860b7285
[INFO] running `"docker" "start" "-a" "e17a84efc76b1643650460cc7e14ffc64743a38213945be76f279a94860b7285"`
[INFO] [stderr]    Compiling arc-guard v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `"docker" "inspect" "e17a84efc76b1643650460cc7e14ffc64743a38213945be76f279a94860b7285"`
[INFO] running `"docker" "rm" "-f" "e17a84efc76b1643650460cc7e14ffc64743a38213945be76f279a94860b7285"`
[INFO] [stdout] e17a84efc76b1643650460cc7e14ffc64743a38213945be76f279a94860b7285
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/arc-guard/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4b4e38ed3546dd82521d3c6b48417229f8a774d80300ccb9db30788579b5e262
[INFO] running `"docker" "start" "-a" "4b4e38ed3546dd82521d3c6b48417229f8a774d80300ccb9db30788579b5e262"`
[INFO] [stderr]    Compiling arc-guard v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `indicator`
[INFO] [stderr]    --> src/lib.rs:139:41
[INFO] [stderr]     |
[INFO] [stderr] 139 |         let string = indicator.execute(|indicator| -> String {
[INFO] [stderr]     |                                         ^^^^^^^^^ help: consider prefixing with an underscore: `_indicator`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "4b4e38ed3546dd82521d3c6b48417229f8a774d80300ccb9db30788579b5e262"`
[INFO] running `"docker" "rm" "-f" "4b4e38ed3546dd82521d3c6b48417229f8a774d80300ccb9db30788579b5e262"`
[INFO] [stdout] 4b4e38ed3546dd82521d3c6b48417229f8a774d80300ccb9db30788579b5e262
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/arc-guard/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 5d2871b00c6ea7e726b52a857091792d11ec49c9ee800e681b1c4d456d1961d4
[INFO] running `"docker" "start" "-a" "5d2871b00c6ea7e726b52a857091792d11ec49c9ee800e681b1c4d456d1961d4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arc_guard-b7f5977f235a707e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arc-guard
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - ArcGuard<T>::new (line 45) ... FAILED
[INFO] [stdout] test src/lib.rs - ArcGuard<T>::clone (line 113) ... FAILED
[INFO] [stdout] test src/lib.rs - ArcGuard<T>::arc (line 98) ... FAILED
[INFO] [stdout] test src/lib.rs - ArcGuard<T>::execute (line 62) ... FAILED
[INFO] [stdout] test src/lib.rs - ArcGuard<T>::execute (line 78) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 22) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ArcGuard<T>::new (line 45) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Indicator`
[INFO] [stdout]  --> src/lib.rs:48:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type or module `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ArcGuard<T>::clone (line 113) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Indicator`
[INFO] [stdout]  --> src/lib.rs:116:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type or module `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ArcGuard<T>::arc (line 98) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Indicator`
[INFO] [stdout]  --> src/lib.rs:101:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type or module `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ArcGuard<T>::execute (line 62) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Indicator`
[INFO] [stdout]  --> src/lib.rs:65:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type or module `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `do_something` found for type `std::sync::MutexGuard<'_, _>` in the current scope
[INFO] [stdout]   --> src/lib.rs:69:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     indicator.do_something();
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: indicator is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ArcGuard<T>::execute (line 78) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Indicator`
[INFO] [stdout]  --> src/lib.rs:81:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type or module `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `something` found for type `std::sync::MutexGuard<'_, _>` in the current scope
[INFO] [stdout]   --> src/lib.rs:85:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     return indicator.something();
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: indicator is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 22) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Indicator`
[INFO] [stdout]  --> src/lib.rs:25:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type or module `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `do_something` found for type `std::sync::MutexGuard<'_, _>` in the current scope
[INFO] [stdout]   --> src/lib.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     indicator.do_something();
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: indicator is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs -  (line 8) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Indicator`
[INFO] [stdout]  --> src/lib.rs:11:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | let indicator = Arc::new(Mutex::new(Indicator::new()));
[INFO] [stdout]   |                                     ^^^^^^^^^ use of undeclared type or module `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `do_something` found for type `std::sync::MutexGuard<'_, _>` in the current scope
[INFO] [stdout]  --> src/lib.rs:15:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | indicator_clone.do_something();
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: indicator_clone is a function, perhaps you wish to call it
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 22)
[INFO] [stdout]     src/lib.rs -  (line 8)
[INFO] [stdout]     src/lib.rs - ArcGuard<T>::arc (line 98)
[INFO] [stdout]     src/lib.rs - ArcGuard<T>::clone (line 113)
[INFO] [stdout]     src/lib.rs - ArcGuard<T>::execute (line 62)
[INFO] [stdout]     src/lib.rs - ArcGuard<T>::execute (line 78)
[INFO] [stdout]     src/lib.rs - ArcGuard<T>::new (line 45)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "5d2871b00c6ea7e726b52a857091792d11ec49c9ee800e681b1c4d456d1961d4"`
[INFO] running `"docker" "rm" "-f" "5d2871b00c6ea7e726b52a857091792d11ec49c9ee800e681b1c4d456d1961d4"`
[INFO] [stdout] 5d2871b00c6ea7e726b52a857091792d11ec49c9ee800e681b1c4d456d1961d4