[INFO] fetching crate prioritized-metered-channel 0.6.1... [INFO] testing prioritized-metered-channel-0.6.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate prioritized-metered-channel 0.6.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate prioritized-metered-channel 0.6.1 [INFO] finished tweaking crates.io crate prioritized-metered-channel 0.6.1 [INFO] tweaked toml for crates.io crate prioritized-metered-channel 0.6.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate prioritized-metered-channel 0.6.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 64 packages to latest compatible versions [INFO] [stderr] Adding async-channel v1.9.0 (available: v2.5.0) [INFO] [stderr] Adding derive_more v0.99.20 (available: v2.0.1) [INFO] [stderr] Adding env_logger v0.9.3 (available: v0.11.8) [INFO] [stderr] Adding nanorand v0.7.0 (available: v0.8.0) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 655fffcac53f46e8f833239addbc06572f82a8004d7015d02b6769452a3a35da [INFO] running `Command { std: "docker" "start" "-a" "655fffcac53f46e8f833239addbc06572f82a8004d7015d02b6769452a3a35da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "655fffcac53f46e8f833239addbc06572f82a8004d7015d02b6769452a3a35da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "655fffcac53f46e8f833239addbc06572f82a8004d7015d02b6769452a3a35da", kill_on_drop: false }` [INFO] [stdout] 655fffcac53f46e8f833239addbc06572f82a8004d7015d02b6769452a3a35da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4eb8e1ecdf34a27a547804090f5c03cb8518bc4848ac1b2fcf68ba2de25f3a25 [INFO] running `Command { std: "docker" "start" "-a" "4eb8e1ecdf34a27a547804090f5c03cb8518bc4848ac1b2fcf68ba2de25f3a25", kill_on_drop: false }` [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling slab v0.4.11 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling coarsetime v0.1.36 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling crossbeam-queue v0.3.12 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling nanorand v0.7.0 [INFO] [stderr] Compiling futures-timer v3.0.3 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling derive_more v0.99.20 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling prioritized-metered-channel v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `channel_len` is never read [INFO] [stdout] --> src/lib.rs:87:6 [INFO] [stdout] | [INFO] [stdout] 87 | pub channel_len: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `blocked` is never read [INFO] [stdout] --> src/lib.rs:89:6 [INFO] [stdout] | [INFO] [stdout] 89 | pub blocked: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tof` is never read [INFO] [stdout] --> src/lib.rs:91:6 [INFO] [stdout] | [INFO] [stdout] 91 | pub tof: Vec, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.90s [INFO] running `Command { std: "docker" "inspect" "4eb8e1ecdf34a27a547804090f5c03cb8518bc4848ac1b2fcf68ba2de25f3a25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4eb8e1ecdf34a27a547804090f5c03cb8518bc4848ac1b2fcf68ba2de25f3a25", kill_on_drop: false }` [INFO] [stdout] 4eb8e1ecdf34a27a547804090f5c03cb8518bc4848ac1b2fcf68ba2de25f3a25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f0d7587392d48d34244abf1633620ecc604cc20dece437fcdfe59ccfa2341b71 [INFO] running `Command { std: "docker" "start" "-a" "f0d7587392d48d34244abf1633620ecc604cc20dece437fcdfe59ccfa2341b71", kill_on_drop: false }` [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling regex-syntax v0.8.8 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling humantime v2.3.0 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling assert_matches v1.5.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling prioritized-metered-channel v0.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `channel_len` is never read [INFO] [stdout] --> src/lib.rs:87:6 [INFO] [stdout] | [INFO] [stdout] 87 | pub channel_len: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `blocked` is never read [INFO] [stdout] --> src/lib.rs:89:6 [INFO] [stdout] | [INFO] [stdout] 89 | pub blocked: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tof` is never read [INFO] [stdout] --> src/lib.rs:91:6 [INFO] [stdout] | [INFO] [stdout] 91 | pub tof: Vec, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stdout] warning: value assigned to `channel_len` is never read [INFO] [stdout] --> src/lib.rs:87:6 [INFO] [stdout] | [INFO] [stdout] 87 | pub channel_len: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `blocked` is never read [INFO] [stdout] --> src/lib.rs:89:6 [INFO] [stdout] | [INFO] [stdout] 89 | pub blocked: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tof` is never read [INFO] [stdout] --> src/lib.rs:91:6 [INFO] [stdout] | [INFO] [stdout] 91 | pub tof: Vec, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 15.96s [INFO] running `Command { std: "docker" "inspect" "f0d7587392d48d34244abf1633620ecc604cc20dece437fcdfe59ccfa2341b71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0d7587392d48d34244abf1633620ecc604cc20dece437fcdfe59ccfa2341b71", kill_on_drop: false }` [INFO] [stdout] f0d7587392d48d34244abf1633620ecc604cc20dece437fcdfe59ccfa2341b71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6d9f27122271498abcbe051f037ae12c702de1ad8a6ba3825f18ac468062aabf [INFO] running `Command { std: "docker" "start" "-a" "6d9f27122271498abcbe051f037ae12c702de1ad8a6ba3825f18ac468062aabf", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `channel_len` is never read [INFO] [stderr] --> src/lib.rs:87:6 [INFO] [stderr] | [INFO] [stderr] 87 | pub channel_len: usize, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `blocked` is never read [INFO] [stderr] --> src/lib.rs:89:6 [INFO] [stderr] | [INFO] [stderr] 89 | pub blocked: usize, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tof` is never read [INFO] [stderr] --> src/lib.rs:91:6 [INFO] [stderr] | [INFO] [stderr] 91 | pub tof: Vec, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `prioritized-metered-channel` (lib) generated 3 warnings [INFO] [stderr] warning: `prioritized-metered-channel` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prioritized_metered_channel-0064f3326a46e6e5) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test tests::consistent_try_next ... ok [INFO] [stdout] test tests::blocked_send_is_metered ... ok [INFO] [stdout] test tests::send_try_next_priority ... ok [INFO] [stdout] test tests::failed_send_does_not_inc_sent ... ok [INFO] [stdout] test tests::try_send_try_next ... ok [INFO] [stdout] test oneshot::tests::easy ... ok [INFO] [stdout] test tests::try_send_try_next_unbounded ... ok [INFO] [stdout] test tests::with_tasks ... ok [INFO] [stdout] test tests::stream_and_sink ... ok [INFO] [stdout] test oneshot::tests::starve_till_soft_timeout_then_food ... ok [INFO] [stdout] test oneshot::tests::cancel_by_drop ... ok [INFO] [stdout] test oneshot::tests::starve_till_hard_timeout ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.01s [INFO] [stdout] [INFO] [stderr] Doc-tests prioritized_metered_channel [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] running `Command { std: "docker" "inspect" "6d9f27122271498abcbe051f037ae12c702de1ad8a6ba3825f18ac468062aabf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d9f27122271498abcbe051f037ae12c702de1ad8a6ba3825f18ac468062aabf", kill_on_drop: false }` [INFO] [stdout] 6d9f27122271498abcbe051f037ae12c702de1ad8a6ba3825f18ac468062aabf