[INFO] fetching crate tub 0.3.7...
[INFO] testing tub-0.3.7 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tub 0.3.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tub 0.3.7
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tub 0.3.7
[INFO] tweaked toml for crates.io crate tub 0.3.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tub 0.3.7 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 174 packages to latest compatible versions
[INFO] [stderr]       Adding async-object-pool v0.1.5 (available: v0.2.0)
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] [stderr]       Adding simple-pool v0.0.11 (available: v0.0.18)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4471d1fcacf704a5e6d261a74c9e6c83dc1aaba0327d02ab161bd747be39f334
[INFO] running `Command { std: "docker" "start" "-a" "4471d1fcacf704a5e6d261a74c9e6c83dc1aaba0327d02ab161bd747be39f334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4471d1fcacf704a5e6d261a74c9e6c83dc1aaba0327d02ab161bd747be39f334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4471d1fcacf704a5e6d261a74c9e6c83dc1aaba0327d02ab161bd747be39f334", kill_on_drop: false }`
[INFO] [stdout] 4471d1fcacf704a5e6d261a74c9e6c83dc1aaba0327d02ab161bd747be39f334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 092141681ef3f705f61d3d5dcc71f2ed04d702e95865431dba4e36a5276d94e5
[INFO] running `Command { std: "docker" "start" "-a" "092141681ef3f705f61d3d5dcc71f2ed04d702e95865431dba4e36a5276d94e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tub v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "092141681ef3f705f61d3d5dcc71f2ed04d702e95865431dba4e36a5276d94e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092141681ef3f705f61d3d5dcc71f2ed04d702e95865431dba4e36a5276d94e5", kill_on_drop: false }`
[INFO] [stdout] 092141681ef3f705f61d3d5dcc71f2ed04d702e95865431dba4e36a5276d94e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a0fdb68ada87a59000cf41a6ff6c54361ffa890c53cae06b564e17c7c77c8fa3
[INFO] running `Command { std: "docker" "start" "-a" "a0fdb68ada87a59000cf41a6ff6c54361ffa890c53cae06b564e17c7c77c8fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling option-lock v0.1.0
[INFO] [stderr]    Compiling simple-pool v0.0.11
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling multitask v0.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling async-resource v0.1.0
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.8.0
[INFO] [stderr]    Compiling async-signal v0.2.13
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-process v2.5.0
[INFO] [stderr]    Compiling async-std v1.13.2
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling tub v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling async-object-pool v0.1.5
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.74s
[INFO] running `Command { std: "docker" "inspect" "a0fdb68ada87a59000cf41a6ff6c54361ffa890c53cae06b564e17c7c77c8fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fdb68ada87a59000cf41a6ff6c54361ffa890c53cae06b564e17c7c77c8fa3", kill_on_drop: false }`
[INFO] [stdout] a0fdb68ada87a59000cf41a6ff6c54361ffa890c53cae06b564e17c7c77c8fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a5f95fb59339f6048e2d768da7bfd582cbee74f3aa014b3ce28ca3dc55e8a9c4
[INFO] running `Command { std: "docker" "start" "-a" "a5f95fb59339f6048e2d768da7bfd582cbee74f3aa014b3ce28ca3dc55e8a9c4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tub-df95bb93e34fc8d8)
[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 test/test.rs (/opt/rustwide/target/debug/deps/test-9bc9cf08032e9072)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test deadlock_check_1 ... ok
[INFO] [stdout] test guarded_value_is_mutable ... ok
[INFO] [stdout] test mutated_value_is_returned_to_pool ... ok
[INFO] [stdout] test test_clone_a_pool ... ok
[INFO] [stdout] test readme ... ok
[INFO] [stdout] test test_from_trait_1 ... ok
[INFO] [stdout] test test_from_trait_2 ... ok
[INFO] [stdout] test test_from_trait_3 ... ok
[INFO] [stdout] test test_new_from_clone ... ok
[INFO] [stdout] test test_new_from_copy ... ok
[INFO] [stdout] test deadlock_check_3 ... ok
[INFO] [stdout] test test_new_from_vec ... ok
[INFO] [stdout] test deadlock_check_2 ... ok
[INFO] [stdout] test test_new_from_initializer ... ok
[INFO] [stdout] test test_new_from_iter ... ok
[INFO] [stdout] test test_new_from_default ... ok
[INFO] [stdout] test size_property ... ok
[INFO] [stdout] test new_from_vec_prop_property ... ok
[INFO] [stdout] test deadlock_check_4 ... ok
[INFO] [stdout] test new_from_iter_prop_property ... ok
[INFO] [stdout] test deadlock_check_5 ... ok
[INFO] [stdout] test guard_returns_value_property ... ok
[INFO] [stdout] test progress_property ... ok
[INFO] [stderr]    Doc-tests tub
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.25s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Pool<T>::from_vec (line 157) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::from_default (line 229) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::from_copy (line 245) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::from_initializer (line 181) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::from_clone (line 261) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::remaining_capacity (line 145) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::from (line 353) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::from_iter (line 212) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - Guard<T>::deref (line 305) ... ok
[INFO] [stdout] test src/lib.rs - Guard<T>::drop (line 276) ... ok
[INFO] [stdout] test src/lib.rs - Pool (line 55) ... ok
[INFO] [stdout] test src/lib.rs - Pool<T>::acquire (line 116) ... ok
[INFO] [stdout] test src/lib.rs - Guard (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Guard<T>::deref_mut (line 326) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5f95fb59339f6048e2d768da7bfd582cbee74f3aa014b3ce28ca3dc55e8a9c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f95fb59339f6048e2d768da7bfd582cbee74f3aa014b3ce28ca3dc55e8a9c4", kill_on_drop: false }`
[INFO] [stdout] a5f95fb59339f6048e2d768da7bfd582cbee74f3aa014b3ce28ca3dc55e8a9c4