[INFO] fetching crate tincan 0.3.0...
[INFO] testing tincan-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tincan 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tincan 0.3.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tincan 0.3.0
[INFO] tweaked toml for crates.io crate tincan 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tincan 0.3.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tincan 0.3.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eecb2b07b5638563974ce93d8e5892f8c8788cc13e3536240bc4c85b986475c8
[INFO] running `Command { std: "docker" "start" "-a" "eecb2b07b5638563974ce93d8e5892f8c8788cc13e3536240bc4c85b986475c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eecb2b07b5638563974ce93d8e5892f8c8788cc13e3536240bc4c85b986475c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eecb2b07b5638563974ce93d8e5892f8c8788cc13e3536240bc4c85b986475c8", kill_on_drop: false }`
[INFO] [stdout] eecb2b07b5638563974ce93d8e5892f8c8788cc13e3536240bc4c85b986475c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 600025ecb0908676e382b265eca8b0d59fa1358c853b68e081080f63d1a08f3f
[INFO] running `Command { std: "docker" "start" "-a" "600025ecb0908676e382b265eca8b0d59fa1358c853b68e081080f63d1a08f3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tincan v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "600025ecb0908676e382b265eca8b0d59fa1358c853b68e081080f63d1a08f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600025ecb0908676e382b265eca8b0d59fa1358c853b68e081080f63d1a08f3f", kill_on_drop: false }`
[INFO] [stdout] 600025ecb0908676e382b265eca8b0d59fa1358c853b68e081080f63d1a08f3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7908cf9c36aa0ac684b57e4b2bde7cb9db3e2f89aa64e015fbb0e9724c98d7b4
[INFO] running `Command { std: "docker" "start" "-a" "7908cf9c36aa0ac684b57e4b2bde7cb9db3e2f89aa64e015fbb0e9724c98d7b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]    Compiling clap_builder v4.5.58
[INFO] [stderr]    Compiling criterion-plot v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling page_size v0.6.0
[INFO] [stderr]    Compiling clap v4.5.58
[INFO] [stderr]    Compiling zerocopy-derive v0.8.39
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.8.2
[INFO] [stderr]    Compiling tincan v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.41s
[INFO] running `Command { std: "docker" "inspect" "7908cf9c36aa0ac684b57e4b2bde7cb9db3e2f89aa64e015fbb0e9724c98d7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7908cf9c36aa0ac684b57e4b2bde7cb9db3e2f89aa64e015fbb0e9724c98d7b4", kill_on_drop: false }`
[INFO] [stdout] 7908cf9c36aa0ac684b57e4b2bde7cb9db3e2f89aa64e015fbb0e9724c98d7b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ac43a0744dc776cc8ff00d3b863b2e691c85daa4c107cc04d8729b773188290
[INFO] running `Command { std: "docker" "start" "-a" "7ac43a0744dc776cc8ff00d3b863b2e691c85daa4c107cc04d8729b773188290", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tincan-28c2738d8b49ee14)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/effect_tests.rs (/opt/rustwide/target/debug/deps/effect_tests-a6d2d2fa64390ff8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-881a8b470014fcea)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test_concurrent_scope_independence ... ok
[INFO] [stdout] test test_circular_update_prevention ... ok
[INFO] [stdout] test test_deep_dependency_chain ... ok
[INFO] [stdout] test test_multiple_watchers ... ok
[INFO] [stdout] test test_memo_deduplication ... ok
[INFO] [stdout] test test_nested_scopes ... ok
[INFO] [stdout] test test_scope_isolation ... ok
[INFO] [stdout] test test_scope_cleanup ... ok
[INFO] [stdout] test test_scope_clear ... ok
[INFO] [stdout] test test_scope_default ... ok
[INFO] [stdout] test test_scope_stress_test ... ok
[INFO] [stdout] test test_scope_with_many_signals ... ok
[INFO] [stdout] test test_scope_with_many_effects ... ok
[INFO] [stdout] test test_complex_dependency_graph ... ok
[INFO] [stdout] test test_signal_map_propagation ... ok
[INFO] [stdout] test test_signal_with_large_value ... ok
[INFO] [stdout] test test_wide_dependency_graph ... ok
[INFO] [stdout] test test_empty_scope ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/memo_tests.rs (/opt/rustwide/target/debug/deps/memo_tests-15ebb0144cae8d9f)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_memo_basic ... ok
[INFO] [stdout] test test_memo_chain ... ok
[INFO] [stdout] test test_memo_caching ... ok
[INFO] [stdout] test test_memo_complex_computation ... ok
[INFO] [stdout] test test_memo_conditional_dependency ... ok
[INFO] [stdout] test test_memo_with ... ok
[INFO] [stdout] test test_memo_with_string ... ok
[INFO] [stdout] test test_memo_with_multiple_dependencies ... ok
[INFO] [stdout] test test_memo_nested_computation ... ok
[INFO] [stdout] test test_memo_recomputation ... ok
[INFO] [stdout] test test_memo_diamond_dependency ... ok
[INFO] [stdout] test test_memo_with_option ... ok
[INFO] [stdout] test test_memo_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/signal_tests.rs (/opt/rustwide/target/debug/deps/signal_tests-22805b239c0a0f66)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test test_signal_clone ... ok
[INFO] [stdout] test test_signal_creation_and_get ... ok
[INFO] [stdout] test test_multiple_signals ... ok
[INFO] [stdout] test test_signal_chain_map ... ok
[INFO] [stdout] test test_signal_id ... ok
[INFO] [stdout] test test_signal_map ... ok
[INFO] [stdout] test test_signal_map_string ... ok
[INFO] [stdout] test test_signal_watch ... ok
[INFO] [stdout] test test_signal_set ... ok
[INFO] [stdout] test test_signal_update ... ok
[INFO] [stdout] test test_signal_with_complex_types ... ok
[INFO] [stderr]    Doc-tests tincan
[INFO] [stdout] test test_signal_with_vec_modification ... ok
[INFO] [stdout] test test_signal_zip ... ok
[INFO] [stdout] test test_signal_zip_different_types ... ok
[INFO] [stdout] test test_signal_with_option ... ok
[INFO] [stdout] test test_signal_watch_guard_drop ... ok
[INFO] [stdout] test test_signal_with ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/runtime/scope.rs - runtime::scope::Scope (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 114) ... ok
[INFO] [stdout] test src/memo.rs - memo::Memo<T>::with (line 96) ... ok
[INFO] [stdout] test src/runtime/scope.rs - runtime::scope::Scope::clear (line 177) ... ok
[INFO] [stdout] test src/lib.rs - (line 161) ... ok
[INFO] [stdout] test src/memo.rs - memo::Memo (line 12) ... ok
[INFO] [stdout] test src/runtime/scope.rs - runtime::scope::Scope::effect (line 139) ... ok
[INFO] [stdout] test src/memo.rs - memo::Memo<T>::get (line 59) ... ok
[INFO] [stdout] test src/runtime/scope.rs - runtime::scope::Scope (line 26) ... ok
[INFO] [stdout] test src/runtime/scope.rs - runtime::scope::Scope (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 185) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/effect.rs - effect::Effect (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/runtime/scope.rs - runtime::scope::Scope::memo (line 108) ... ok
[INFO] [stdout] test src/lib.rs - (line 137) ... ok
[INFO] [stdout] test src/signal.rs - signal::Signal (line 15) ... ok
[INFO] [stdout] test src/signal.rs - signal::Signal<T>::get (line 64) ... ok
[INFO] [stdout] test src/runtime/scope.rs - runtime::scope::Scope::new (line 64) ... ok
[INFO] [stdout] test src/signal.rs - signal::Signal<T>::update (line 105) ... ok
[INFO] [stdout] test src/runtime/scope.rs - runtime::scope::Scope::signal (line 83) ... ok
[INFO] [stdout] test src/signal.rs - signal::Signal<T>::map (line 221) ... ok
[INFO] [stdout] test src/signal.rs - signal::Signal (line 28) ... ok
[INFO] [stdout] test src/signal.rs - signal::Signal<T>::with (line 129) ... ok
[INFO] [stdout] test src/signal.rs - signal::Signal<T>::set (line 84) ... ok
[INFO] [stdout] test src/signal.rs - signal::Signal<T>::watch (line 159) ... ok
[INFO] [stdout] test src/signal.rs - signal::Signal<T>::zip (line 278) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ac43a0744dc776cc8ff00d3b863b2e691c85daa4c107cc04d8729b773188290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac43a0744dc776cc8ff00d3b863b2e691c85daa4c107cc04d8729b773188290", kill_on_drop: false }`
[INFO] [stdout] 7ac43a0744dc776cc8ff00d3b863b2e691c85daa4c107cc04d8729b773188290
