[INFO] fetching crate shrink_pool 1.0.0... [INFO] testing shrink_pool-1.0.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate shrink_pool 1.0.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate shrink_pool 1.0.0 [INFO] finished tweaking crates.io crate shrink_pool 1.0.0 [INFO] tweaked toml for crates.io crate shrink_pool 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate shrink_pool 1.0.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4b8207182aa60098a2a312d290d11f4708385de5aa6968f47761c7f4895623b [INFO] running `Command { std: "docker" "start" "-a" "e4b8207182aa60098a2a312d290d11f4708385de5aa6968f47761c7f4895623b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4b8207182aa60098a2a312d290d11f4708385de5aa6968f47761c7f4895623b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4b8207182aa60098a2a312d290d11f4708385de5aa6968f47761c7f4895623b", kill_on_drop: false }` [INFO] [stdout] e4b8207182aa60098a2a312d290d11f4708385de5aa6968f47761c7f4895623b [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ae85b074340966205a1292127ac11072266fea0caf8311f0c0c62290cc67894 [INFO] running `Command { std: "docker" "start" "-a" "9ae85b074340966205a1292127ac11072266fea0caf8311f0c0c62290cc67894", kill_on_drop: false }` [INFO] [stderr] Compiling shrink_pool v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "9ae85b074340966205a1292127ac11072266fea0caf8311f0c0c62290cc67894", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ae85b074340966205a1292127ac11072266fea0caf8311f0c0c62290cc67894", kill_on_drop: false }` [INFO] [stdout] 9ae85b074340966205a1292127ac11072266fea0caf8311f0c0c62290cc67894 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fde7600dff4dedc67d257dc8ad22ea02be8192bc04da976dad96b0fc0ccea32f [INFO] running `Command { std: "docker" "start" "-a" "fde7600dff4dedc67d257dc8ad22ea02be8192bc04da976dad96b0fc0ccea32f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.185 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling shrink_pool v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.22s [INFO] running `Command { std: "docker" "inspect" "fde7600dff4dedc67d257dc8ad22ea02be8192bc04da976dad96b0fc0ccea32f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fde7600dff4dedc67d257dc8ad22ea02be8192bc04da976dad96b0fc0ccea32f", kill_on_drop: false }` [INFO] [stdout] fde7600dff4dedc67d257dc8ad22ea02be8192bc04da976dad96b0fc0ccea32f [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 54fe43df4f5c2452187c9a5ca7a5f586e1f9196da10b905558f196c79cf47042 [INFO] running `Command { std: "docker" "start" "-a" "54fe43df4f5c2452187c9a5ca7a5f586e1f9196da10b905558f196c79cf47042", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shrink_pool-ae2dc43cb6894c47) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test shrink_pool_test::shrink_pool_test_sync ... ok [INFO] [stdout] test shrink_pool_test::sync_thread_test_sync ... ok [INFO] [stdout] test shrink_pool_test::typical_usecase_sync_thread ... ok [INFO] [stdout] test shrink_pool_test::shrink_pool_test_pooled ... ok [INFO] [stdout] test shrink_pool_test::typical_usecase ... ok [INFO] [stdout] test shrink_pool_test::shrink_pool_test_pooled_and_pause ... ok [INFO] [stdout] test shrink_pool_test::shrink_pool_test_panicked ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.01s [INFO] [stdout] [INFO] [stderr] Doc-tests shrink_pool [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/lib.rs - (line 42) ... FAILED [INFO] [stdout] test src/lib.rs - SyncThread (line 207) ... FAILED [INFO] [stdout] test src/lib.rs - ShrinkPool (line 80) ... FAILED [INFO] [stdout] test src/lib.rs - (line 17) ... FAILED [INFO] [stdout] test src/lib.rs - SyncThread (line 198) ... ok [INFO] [stdout] test src/lib.rs - ShrinkPool (line 70) ... ok [INFO] [stdout] test src/lib.rs - (line 33) ... ok [INFO] [stdout] test src/lib.rs - (line 8) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 42) stdout ---- [INFO] [stdout] error: expected one of `!` or `::`, found `:` [INFO] [stdout] --> src/lib.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | Result: [INFO] [stdout] | ^ expected one of `!` or `::` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - SyncThread (line 207) stdout ---- [INFO] [stdout] error: expected one of `!` or `::`, found `:` [INFO] [stdout] --> src/lib.rs:208:7 [INFO] [stdout] | [INFO] [stdout] 208 | Result: [INFO] [stdout] | ^ expected one of `!` or `::` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - ShrinkPool (line 80) stdout ---- [INFO] [stdout] error: expected one of `!` or `::`, found `:` [INFO] [stdout] --> src/lib.rs:81:7 [INFO] [stdout] | [INFO] [stdout] 81 | Result: [INFO] [stdout] | ^ expected one of `!` or `::` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 17) stdout ---- [INFO] [stdout] error: expected one of `!` or `::`, found `:` [INFO] [stdout] --> src/lib.rs:18:7 [INFO] [stdout] | [INFO] [stdout] 18 | Result: [INFO] [stdout] | ^ expected one of `!` or `::` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 17) [INFO] [stdout] src/lib.rs - (line 42) [INFO] [stdout] src/lib.rs - ShrinkPool (line 80) [INFO] [stdout] src/lib.rs - SyncThread (line 207) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "54fe43df4f5c2452187c9a5ca7a5f586e1f9196da10b905558f196c79cf47042", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54fe43df4f5c2452187c9a5ca7a5f586e1f9196da10b905558f196c79cf47042", kill_on_drop: false }` [INFO] [stdout] 54fe43df4f5c2452187c9a5ca7a5f586e1f9196da10b905558f196c79cf47042