[INFO] fetching crate blocking_object_pool 0.1.0...
[INFO] testing blocking_object_pool-0.1.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate blocking_object_pool 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate blocking_object_pool 0.1.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blocking_object_pool 0.1.0
[INFO] finished tweaking crates.io crate blocking_object_pool 0.1.0
[INFO] tweaked toml for crates.io crate blocking_object_pool 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2f5a212de3afe74eaac13178a10fae3bda70b780836afd5b0dcb60491cfe222
[INFO] running `Command { std: "docker" "start" "-a" "f2f5a212de3afe74eaac13178a10fae3bda70b780836afd5b0dcb60491cfe222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2f5a212de3afe74eaac13178a10fae3bda70b780836afd5b0dcb60491cfe222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f5a212de3afe74eaac13178a10fae3bda70b780836afd5b0dcb60491cfe222", kill_on_drop: false }`
[INFO] [stdout] f2f5a212de3afe74eaac13178a10fae3bda70b780836afd5b0dcb60491cfe222
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1d9ebe95938b5a8a6ae2403544afe89717224fde8fa6a33183d9198077133c9
[INFO] running `Command { std: "docker" "start" "-a" "f1d9ebe95938b5a8a6ae2403544afe89717224fde8fa6a33183d9198077133c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling blocking_object_pool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `b` is never read
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Hello {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 7 |     a: i32,
[INFO] [stdout] 8 |     b: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Hello` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "f1d9ebe95938b5a8a6ae2403544afe89717224fde8fa6a33183d9198077133c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d9ebe95938b5a8a6ae2403544afe89717224fde8fa6a33183d9198077133c9", kill_on_drop: false }`
[INFO] [stdout] f1d9ebe95938b5a8a6ae2403544afe89717224fde8fa6a33183d9198077133c9
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4de64867e2b6f0bd37fae87650b5d5a627ac2f6b1bf7c0cfbd1ea9d8c38cd999
[INFO] running `Command { std: "docker" "start" "-a" "4de64867e2b6f0bd37fae87650b5d5a627ac2f6b1bf7c0cfbd1ea9d8c38cd999", kill_on_drop: false }`
[INFO] [stderr]    Compiling blocking_object_pool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `b` is never read
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Hello {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 7 |     a: i32,
[INFO] [stdout] 8 |     b: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Hello` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "4de64867e2b6f0bd37fae87650b5d5a627ac2f6b1bf7c0cfbd1ea9d8c38cd999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de64867e2b6f0bd37fae87650b5d5a627ac2f6b1bf7c0cfbd1ea9d8c38cd999", kill_on_drop: false }`
[INFO] [stdout] 4de64867e2b6f0bd37fae87650b5d5a627ac2f6b1bf7c0cfbd1ea9d8c38cd999
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09e20016c64f5e85e2579f25ec40e08b63ba8a47b5b1e2bf409f96199cbc83ff
[INFO] running `Command { std: "docker" "start" "-a" "09e20016c64f5e85e2579f25ec40e08b63ba8a47b5b1e2bf409f96199cbc83ff", kill_on_drop: false }`
[INFO] [stderr] warning: field `b` is never read
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 1 test
[INFO] [stderr] 6 | struct Hello {
[INFO] [stderr]   |        ----- field in this struct
[INFO] [stderr] 7 |     a: i32,
[INFO] [stderr] 8 |     b: i32,
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Hello` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `blocking_object_pool` (bin "blocking_object_pool" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blocking_object_pool-0e4e069c232262ca)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blocking_object_pool-de3f849397735d49)
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.02s
[INFO] [stdout] 
[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]    Doc-tests blocking_object_pool
[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" "09e20016c64f5e85e2579f25ec40e08b63ba8a47b5b1e2bf409f96199cbc83ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e20016c64f5e85e2579f25ec40e08b63ba8a47b5b1e2bf409f96199cbc83ff", kill_on_drop: false }`
[INFO] [stdout] 09e20016c64f5e85e2579f25ec40e08b63ba8a47b5b1e2bf409f96199cbc83ff
