[INFO] fetching crate arc-guard 0.2.0...
[INFO] testing arc-guard-0.2.0 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate arc-guard 0.2.0 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arc-guard 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96860ce69466eac320f3dd943ae210e59226464a43acd0af00cf3a88efeb23c1
[INFO] running `Command { std: "docker" "start" "-a" "96860ce69466eac320f3dd943ae210e59226464a43acd0af00cf3a88efeb23c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96860ce69466eac320f3dd943ae210e59226464a43acd0af00cf3a88efeb23c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96860ce69466eac320f3dd943ae210e59226464a43acd0af00cf3a88efeb23c1", kill_on_drop: false }`
[INFO] [stdout] 96860ce69466eac320f3dd943ae210e59226464a43acd0af00cf3a88efeb23c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9138f4054f14ea1be989356b66fd1bd7017c25a627980232acb122c8b2daa9eb
[INFO] running `Command { std: "docker" "start" "-a" "9138f4054f14ea1be989356b66fd1bd7017c25a627980232acb122c8b2daa9eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling arc-guard v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "9138f4054f14ea1be989356b66fd1bd7017c25a627980232acb122c8b2daa9eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9138f4054f14ea1be989356b66fd1bd7017c25a627980232acb122c8b2daa9eb", kill_on_drop: false }`
[INFO] [stdout] 9138f4054f14ea1be989356b66fd1bd7017c25a627980232acb122c8b2daa9eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 795f0f3f04129e1de805ebe7d275aaf5f677c7d5a19ee3a566924302aaea0852
[INFO] running `Command { std: "docker" "start" "-a" "795f0f3f04129e1de805ebe7d275aaf5f677c7d5a19ee3a566924302aaea0852", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "795f0f3f04129e1de805ebe7d275aaf5f677c7d5a19ee3a566924302aaea0852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795f0f3f04129e1de805ebe7d275aaf5f677c7d5a19ee3a566924302aaea0852", kill_on_drop: false }`
[INFO] [stdout] 795f0f3f04129e1de805ebe7d275aaf5f677c7d5a19ee3a566924302aaea0852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcd5a165b651b58c48d22683d8147f49a300b14ba6df820c29b8e44ce3a9e0d6
[INFO] running `Command { std: "docker" "start" "-a" "dcd5a165b651b58c48d22683d8147f49a300b14ba6df820c29b8e44ce3a9e0d6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `indicator`
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:139:41
[INFO] [stdout] running 1 test
[INFO] [stderr]     |
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr] 139 |         let string = indicator.execute(|indicator| -> String {
[INFO] [stdout] 
[INFO] [stderr]     |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_indicator`
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `arc-guard` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arc_guard-374438594102b8e7)
[INFO] [stderr]    Doc-tests arc_guard
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - ArcGuard<T>::execute (line 62) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] test src/lib.rs - ArcGuard<T>::clone (line 113) ... FAILED
[INFO] [stdout] test src/lib.rs - ArcGuard<T>::execute (line 78) ... FAILED
[INFO] [stdout] test src/lib.rs - ArcGuard<T>::new (line 45) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] test src/lib.rs - ArcGuard<T>::arc (line 98) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ArcGuard<T>::execute (line 62) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Indicator`
[INFO] [stdout]  --> src/lib.rs:66:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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: aborting due to 1 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 `Indicator`
[INFO] [stdout]  --> src/lib.rs:117:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 78) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Indicator`
[INFO] [stdout]  --> src/lib.rs:82:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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>::new (line 45) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Indicator`
[INFO] [stdout]  --> src/lib.rs:49:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 22) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Indicator`
[INFO] [stdout]  --> src/lib.rs:26:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `Indicator`
[INFO] [stdout]  --> src/lib.rs:102:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | let indicator = ArcGuard::new(Indicator::new());
[INFO] [stdout]   |                               ^^^^^^^^^ use of undeclared type `Indicator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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] 
[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; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dcd5a165b651b58c48d22683d8147f49a300b14ba6df820c29b8e44ce3a9e0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd5a165b651b58c48d22683d8147f49a300b14ba6df820c29b8e44ce3a9e0d6", kill_on_drop: false }`
[INFO] [stdout] dcd5a165b651b58c48d22683d8147f49a300b14ba6df820c29b8e44ce3a9e0d6
