[INFO] fetching crate shared-resource-pool-builder 0.2.1...
[INFO] testing shared-resource-pool-builder-0.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shared-resource-pool-builder 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate shared-resource-pool-builder 0.2.1
[INFO] finished tweaking crates.io crate shared-resource-pool-builder 0.2.1
[INFO] tweaked toml for crates.io crate shared-resource-pool-builder 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shared-resource-pool-builder 0.2.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 93773c7fbe8b1395c290e44aaceb5533ed9d85e7a6a1775aa4474f2b1c2e82c4
[INFO] running `Command { std: "docker" "start" "-a" "93773c7fbe8b1395c290e44aaceb5533ed9d85e7a6a1775aa4474f2b1c2e82c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93773c7fbe8b1395c290e44aaceb5533ed9d85e7a6a1775aa4474f2b1c2e82c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93773c7fbe8b1395c290e44aaceb5533ed9d85e7a6a1775aa4474f2b1c2e82c4", kill_on_drop: false }`
[INFO] [stdout] 93773c7fbe8b1395c290e44aaceb5533ed9d85e7a6a1775aa4474f2b1c2e82c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 07db54c280804f1839d138191e1aac0ae2c860701fabad7e443834b9aed13ca5
[INFO] running `Command { std: "docker" "start" "-a" "07db54c280804f1839d138191e1aac0ae2c860701fabad7e443834b9aed13ca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling shared-resource-pool-builder v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/job.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Job<Arg>(pub(crate) Arg, pub(crate) JobCounter);
[INFO] [stdout]   |            --- field in this struct ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "07db54c280804f1839d138191e1aac0ae2c860701fabad7e443834b9aed13ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07db54c280804f1839d138191e1aac0ae2c860701fabad7e443834b9aed13ca5", kill_on_drop: false }`
[INFO] [stdout] 07db54c280804f1839d138191e1aac0ae2c860701fabad7e443834b9aed13ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e836acc7a6b746d46231a66ab633168a4ff0563b0c6c765a13e319d2faa95c2a
[INFO] running `Command { std: "docker" "start" "-a" "e836acc7a6b746d46231a66ab633168a4ff0563b0c6c765a13e319d2faa95c2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared-resource-pool-builder v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/job.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Job<Arg>(pub(crate) Arg, pub(crate) JobCounter);
[INFO] [stdout]   |            --- field in this struct ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]  --> src/job.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Job<Arg>(pub(crate) Arg, pub(crate) JobCounter);
[INFO] [stdout]   |            --- field in this struct ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "e836acc7a6b746d46231a66ab633168a4ff0563b0c6c765a13e319d2faa95c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e836acc7a6b746d46231a66ab633168a4ff0563b0c6c765a13e319d2faa95c2a", kill_on_drop: false }`
[INFO] [stdout] e836acc7a6b746d46231a66ab633168a4ff0563b0c6c765a13e319d2faa95c2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 675448bdf8ca99239e9f8e6ff4e8744aae7106d72e919c0960fcad3b01dfdd2e
[INFO] running `Command { std: "docker" "start" "-a" "675448bdf8ca99239e9f8e6ff4e8744aae7106d72e919c0960fcad3b01dfdd2e", kill_on_drop: false }`
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]  --> src/job.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Job<Arg>(pub(crate) Arg, pub(crate) JobCounter);
[INFO] [stderr]   |            --- field in this struct ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shared-resource-pool-builder` (lib) generated 1 warning
[INFO] [stderr] warning: `shared-resource-pool-builder` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shared_resource_pool_builder-0b81419b4a0778aa)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_one_integer ... ok
[INFO] [stdout] test tests::test_many_integers_with_bounded_shared_and_item_producer ... ok
[INFO] [stdout] test tests::test_few_integers_with_oneshot ... ok
[INFO] [stdout] test tests::test_few_integers_with_delayed_producer ... ok
[INFO] [stdout] test tests::test_many_integers ... ok
[INFO] [stdout] test tests::test_integers_multiple_pools_parallel ... ok
[INFO] [stdout] test tests::test_many_integers_with_bounded_item_producer ... ok
[INFO] [stdout] test tests::test_wait_until_pool_finishes ... ok
[INFO] [stdout] test tests::test_integers_multiple_pools_with_parallel_producers ... ok
[INFO] [stdout] test tests::test_integers_multiple_pools_sequential ... ok
[INFO] [stdout] test tests::test_few_integers ... ok
[INFO] [stdout] test tests::test_custom_types ... ok
[INFO] [stdout] test tests::test_many_integers_with_bounded_shared_producer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared_resource_pool_builder
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - SharedResourcePoolBuilder<SType,SR>::create_pool (line 219) ... ok
[INFO] [stdout] test src/lib.rs - SharedResourcePoolBuilder<SType,SR>::join (line 469) ... ok
[INFO] [stdout] test src/job.rs - job::JobHandle::join (line 59) ... ok
[INFO] [stdout] test src/lib.rs - SharedResourcePoolBuilder<SType,SR>::create_pool_bounded (line 261) ... ok
[INFO] [stdout] test src/lib.rs - SharedResourcePoolBuilder<Sender<Job<Arg>>,SR>::new (line 522) ... ok
[INFO] [stdout] test src/lib.rs - SharedResourcePoolBuilder<SType,SR>::oneshot (line 380) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - SharedResourcePoolBuilder<SyncSender<Job<Arg>>,SR>::new_bounded (line 570) ... ok
[INFO] [stdout] test src/lib.rs - SharedResourcePoolBuilder<SType,SR>::oneshot (line 353) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "675448bdf8ca99239e9f8e6ff4e8744aae7106d72e919c0960fcad3b01dfdd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675448bdf8ca99239e9f8e6ff4e8744aae7106d72e919c0960fcad3b01dfdd2e", kill_on_drop: false }`
[INFO] [stdout] 675448bdf8ca99239e9f8e6ff4e8744aae7106d72e919c0960fcad3b01dfdd2e
