[INFO] fetching crate arc-guard 0.2.0... [INFO] testing arc-guard-0.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate arc-guard 0.2.0 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate arc-guard 0.2.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate arc-guard 0.2.0 [INFO] finished tweaking crates.io crate arc-guard 0.2.0 [INFO] tweaked toml for crates.io crate arc-guard 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87d41c26fa52b30843fa805528d68ba11452d6b80b3719c83be55ccb601b6541 [INFO] running `Command { std: "docker" "start" "-a" "87d41c26fa52b30843fa805528d68ba11452d6b80b3719c83be55ccb601b6541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87d41c26fa52b30843fa805528d68ba11452d6b80b3719c83be55ccb601b6541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87d41c26fa52b30843fa805528d68ba11452d6b80b3719c83be55ccb601b6541", kill_on_drop: false }` [INFO] [stdout] 87d41c26fa52b30843fa805528d68ba11452d6b80b3719c83be55ccb601b6541 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2834b9bc8a67d835ab428c7fa09ea7cea2fa14b5a56e99847c53e338defc70be [INFO] running `Command { std: "docker" "start" "-a" "2834b9bc8a67d835ab428c7fa09ea7cea2fa14b5a56e99847c53e338defc70be", kill_on_drop: false }` [INFO] [stderr] Compiling arc-guard v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "2834b9bc8a67d835ab428c7fa09ea7cea2fa14b5a56e99847c53e338defc70be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2834b9bc8a67d835ab428c7fa09ea7cea2fa14b5a56e99847c53e338defc70be", kill_on_drop: false }` [INFO] [stdout] 2834b9bc8a67d835ab428c7fa09ea7cea2fa14b5a56e99847c53e338defc70be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d55a486c761967a64dd7aaf225e434c83f2c14f3437e682d8a6067af5c07342 [INFO] running `Command { std: "docker" "start" "-a" "8d55a486c761967a64dd7aaf225e434c83f2c14f3437e682d8a6067af5c07342", kill_on_drop: false }` [INFO] [stderr] Compiling arc-guard v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `indicator` [INFO] [stdout] --> src/lib.rs:139:41 [INFO] [stdout] | [INFO] [stdout] 139 | let string = indicator.execute(|indicator| -> String { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indicator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "8d55a486c761967a64dd7aaf225e434c83f2c14f3437e682d8a6067af5c07342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d55a486c761967a64dd7aaf225e434c83f2c14f3437e682d8a6067af5c07342", kill_on_drop: false }` [INFO] [stdout] 8d55a486c761967a64dd7aaf225e434c83f2c14f3437e682d8a6067af5c07342 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f66a551923d495221c3ac47b994bd612157a5372d450a612fcafc760e74853f9 [INFO] running `Command { std: "docker" "start" "-a" "f66a551923d495221c3ac47b994bd612157a5372d450a612fcafc760e74853f9", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `indicator` [INFO] [stdout] running 1 test [INFO] [stderr] --> src/lib.rs:139:41 [INFO] [stdout] test tests::it_works ... ok [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 139 | let string = indicator.execute(|indicator| -> String { [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indicator` [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `arc-guard` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/arc_guard-a358da71d578ec72) [INFO] [stderr] Doc-tests arc-guard [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/lib.rs - ArcGuard::clone (line 113) ... FAILED [INFO] [stdout] test src/lib.rs - ArcGuard::new (line 45) ... FAILED [INFO] [stdout] test src/lib.rs - ArcGuard::execute (line 78) ... FAILED [INFO] [stdout] test src/lib.rs - ArcGuard::arc (line 98) ... FAILED [INFO] [stdout] test src/lib.rs - (line 8) ... FAILED [INFO] [stdout] test src/lib.rs - ArcGuard::execute (line 62) ... FAILED [INFO] [stdout] test src/lib.rs - (line 22) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - ArcGuard::clone (line 113) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `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 `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::new (line 45) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `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 `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::execute (line 78) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `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 `Indicator` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `something` found for struct `MutexGuard<'_, _>` in the current scope [INFO] [stdout] --> src/lib.rs:85:22 [INFO] [stdout] | [INFO] [stdout] 10 | return indicator.something(); [INFO] [stdout] | ^^^^^^^^^ method not found in `MutexGuard<'_, _>` [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::arc (line 98) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `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 `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 - (line 8) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `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 `Indicator` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `do_something` found for struct `MutexGuard<'_, _>` in the current scope [INFO] [stdout] --> src/lib.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 9 | indicator_clone.do_something(); [INFO] [stdout] | ^^^^^^^^^^^^ method not found in `MutexGuard<'_, _>` [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] ---- src/lib.rs - ArcGuard::execute (line 62) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `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 `Indicator` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `do_something` found for struct `MutexGuard<'_, _>` in the current scope [INFO] [stdout] --> src/lib.rs:69:15 [INFO] [stdout] | [INFO] [stdout] 10 | indicator.do_something(); [INFO] [stdout] | ^^^^^^^^^^^^ method not found in `MutexGuard<'_, _>` [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 `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 `Indicator` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `do_something` found for struct `MutexGuard<'_, _>` in the current scope [INFO] [stdout] --> src/lib.rs:29:15 [INFO] [stdout] | [INFO] [stdout] 10 | indicator.do_something(); [INFO] [stdout] | ^^^^^^^^^^^^ method not found in `MutexGuard<'_, _>` [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] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 22) [INFO] [stdout] src/lib.rs - (line 8) [INFO] [stdout] src/lib.rs - ArcGuard::arc (line 98) [INFO] [stdout] src/lib.rs - ArcGuard::clone (line 113) [INFO] [stdout] src/lib.rs - ArcGuard::execute (line 62) [INFO] [stdout] src/lib.rs - ArcGuard::execute (line 78) [INFO] [stdout] src/lib.rs - ArcGuard::new (line 45) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "f66a551923d495221c3ac47b994bd612157a5372d450a612fcafc760e74853f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f66a551923d495221c3ac47b994bd612157a5372d450a612fcafc760e74853f9", kill_on_drop: false }` [INFO] [stdout] f66a551923d495221c3ac47b994bd612157a5372d450a612fcafc760e74853f9