[INFO] fetching crate n0-watcher 0.4.0...
[INFO] testing n0-watcher-0.4.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate n0-watcher 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate n0-watcher 0.4.0
[INFO] finished tweaking crates.io crate n0-watcher 0.4.0
[INFO] tweaked toml for crates.io crate n0-watcher 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate n0-watcher 0.4.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate n0-watcher 0.4.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04a243b7c8753bd79c1e57c2060a99da9f23247c10e65e4d2b949e22ee73c346
[INFO] running `Command { std: "docker" "start" "-a" "04a243b7c8753bd79c1e57c2060a99da9f23247c10e65e4d2b949e22ee73c346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04a243b7c8753bd79c1e57c2060a99da9f23247c10e65e4d2b949e22ee73c346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a243b7c8753bd79c1e57c2060a99da9f23247c10e65e4d2b949e22ee73c346", kill_on_drop: false }`
[INFO] [stdout] 04a243b7c8753bd79c1e57c2060a99da9f23247c10e65e4d2b949e22ee73c346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e9da588267bd4ceeb72d24bd66331344a8be0a41e80bad17731c7a4fd59512
[INFO] running `Command { std: "docker" "start" "-a" "75e9da588267bd4ceeb72d24bd66331344a8be0a41e80bad17731c7a4fd59512", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling cordyceps v0.3.4
[INFO] [stderr]    Compiling n0-future v0.3.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling futures-buffered v0.2.12
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling snafu v0.8.9
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling n0-watcher v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.93s
[INFO] running `Command { std: "docker" "inspect" "75e9da588267bd4ceeb72d24bd66331344a8be0a41e80bad17731c7a4fd59512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e9da588267bd4ceeb72d24bd66331344a8be0a41e80bad17731c7a4fd59512", kill_on_drop: false }`
[INFO] [stdout] 75e9da588267bd4ceeb72d24bd66331344a8be0a41e80bad17731c7a4fd59512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07a8b22472bf178679119eba62c015290e08082d41d531e32528e1685911b92e
[INFO] running `Command { std: "docker" "start" "-a" "07a8b22472bf178679119eba62c015290e08082d41d531e32528e1685911b92e", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling n0-future v0.3.0
[INFO] [stderr]    Compiling n0-watcher v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "07a8b22472bf178679119eba62c015290e08082d41d531e32528e1685911b92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a8b22472bf178679119eba62c015290e08082d41d531e32528e1685911b92e", kill_on_drop: false }`
[INFO] [stdout] 07a8b22472bf178679119eba62c015290e08082d41d531e32528e1685911b92e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b9f89c3067bc9e90444914918a9ab48d0d25ffe0164eeb528f4555b42dae6a9
[INFO] running `Command { std: "docker" "start" "-a" "6b9f89c3067bc9e90444914918a9ab48d0d25ffe0164eeb528f4555b42dae6a9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n0_watcher-5a42861669b5bf28)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_get ... ok
[INFO] [stdout] test tests::test_initialize_already_init ... ok
[INFO] [stdout] test tests::test_has_watchers ... ok
[INFO] [stdout] test tests::test_join_simple ... ok
[INFO] [stdout] test tests::test_update_wakeup_always_a_change ... ok
[INFO] [stdout] test tests::test_update_wakeup_on_watchable_drop ... ok
[INFO] [stdout] test tests::test_initialize ... ok
[INFO] [stdout] test tests::test_updated_then_disconnect_then_get ... ok
[INFO] [stdout] test tests::test_initialized_always_resolves ... ok
[INFO] [stdout] test tests::test_update_cancel_safety ... ok
[INFO] [stdout] test tests::test_watcher ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests n0_watcher
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b9f89c3067bc9e90444914918a9ab48d0d25ffe0164eeb528f4555b42dae6a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9f89c3067bc9e90444914918a9ab48d0d25ffe0164eeb528f4555b42dae6a9", kill_on_drop: false }`
[INFO] [stdout] 6b9f89c3067bc9e90444914918a9ab48d0d25ffe0164eeb528f4555b42dae6a9