[INFO] fetching crate atomic-pool 1.0.1...
[INFO] testing atomic-pool-1.0.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate atomic-pool 1.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate atomic-pool 1.0.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atomic-pool 1.0.1
[INFO] finished tweaking crates.io crate atomic-pool 1.0.1
[INFO] tweaked toml for crates.io crate atomic-pool 1.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate atomic-pool 1.0.1 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded as-slice v0.2.1
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded critical-section v1.1.0
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb0edfbfb39014b9716c37652037e0be2748c71e09a657347b05d87d2fb74af4
[INFO] running `Command { std: "docker" "start" "-a" "eb0edfbfb39014b9716c37652037e0be2748c71e09a657347b05d87d2fb74af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb0edfbfb39014b9716c37652037e0be2748c71e09a657347b05d87d2fb74af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0edfbfb39014b9716c37652037e0be2748c71e09a657347b05d87d2fb74af4", kill_on_drop: false }`
[INFO] [stdout] eb0edfbfb39014b9716c37652037e0be2748c71e09a657347b05d87d2fb74af4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a070177f50ed448dccba58117b8f000a5b63536bac9f850704d5a3f06cb73c22
[INFO] running `Command { std: "docker" "start" "-a" "a070177f50ed448dccba58117b8f000a5b63536bac9f850704d5a3f06cb73c22", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling atomic-polyfill v1.0.1
[INFO] [stderr]    Compiling critical-section v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling as-slice v0.2.1
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling atomic-pool v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "a070177f50ed448dccba58117b8f000a5b63536bac9f850704d5a3f06cb73c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a070177f50ed448dccba58117b8f000a5b63536bac9f850704d5a3f06cb73c22", kill_on_drop: false }`
[INFO] [stdout] a070177f50ed448dccba58117b8f000a5b63536bac9f850704d5a3f06cb73c22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acdf0509eb75fc49328f2889f156a3e446385e235fb3a8f916bced9d3ed28a96
[INFO] running `Command { std: "docker" "start" "-a" "acdf0509eb75fc49328f2889f156a3e446385e235fb3a8f916bced9d3ed28a96", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic-pool v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/simple.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Packet(u32);
[INFO] [stdout]   |        ------ ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Packet(());
[INFO] [stdout]   |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "acdf0509eb75fc49328f2889f156a3e446385e235fb3a8f916bced9d3ed28a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acdf0509eb75fc49328f2889f156a3e446385e235fb3a8f916bced9d3ed28a96", kill_on_drop: false }`
[INFO] [stdout] acdf0509eb75fc49328f2889f156a3e446385e235fb3a8f916bced9d3ed28a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63b21c038b4948c74ec03b8bdee854aec844ed5554e2def5c6d2a8e2fd16c27d
[INFO] running `Command { std: "docker" "start" "-a" "63b21c038b4948c74ec03b8bdee854aec844ed5554e2def5c6d2a8e2fd16c27d", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/simple.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Packet(u32);
[INFO] [stderr]   |        ------ ^^^
[INFO] [stderr]   |        |
[INFO] [stderr]   |        field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Packet(());
[INFO] [stderr]   |               ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `atomic-pool` (example "simple") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/atomic_pool-fb970f159d2c4a18)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test atomic_bitset::test::test_16 ... ok
[INFO] [stdout] test atomic_bitset::test::test_32 ... ok
[INFO] [stdout] test atomic_bitset::test::test_48 ... ok
[INFO] [stdout] test atomic_bitset::test::test_64 ... ok
[INFO] [stdout] test test::test_pool ... ok
[INFO] [stdout] test atomic_bitset::test::test_31337 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests atomic_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" "63b21c038b4948c74ec03b8bdee854aec844ed5554e2def5c6d2a8e2fd16c27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b21c038b4948c74ec03b8bdee854aec844ed5554e2def5c6d2a8e2fd16c27d", kill_on_drop: false }`
[INFO] [stdout] 63b21c038b4948c74ec03b8bdee854aec844ed5554e2def5c6d2a8e2fd16c27d
[INFO] testing atomic-pool-1.0.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate atomic-pool 1.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate atomic-pool 1.0.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atomic-pool 1.0.1
[INFO] finished tweaking crates.io crate atomic-pool 1.0.1
[INFO] tweaked toml for crates.io crate atomic-pool 1.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate atomic-pool 1.0.1 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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2424a3b429ff2adf4cae8037f9e959ad3b3cf2a0e8ca47d4e0371b4013a8095
[INFO] running `Command { std: "docker" "start" "-a" "b2424a3b429ff2adf4cae8037f9e959ad3b3cf2a0e8ca47d4e0371b4013a8095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2424a3b429ff2adf4cae8037f9e959ad3b3cf2a0e8ca47d4e0371b4013a8095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2424a3b429ff2adf4cae8037f9e959ad3b3cf2a0e8ca47d4e0371b4013a8095", kill_on_drop: false }`
[INFO] [stdout] b2424a3b429ff2adf4cae8037f9e959ad3b3cf2a0e8ca47d4e0371b4013a8095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d06e9fce08ce8ebbf1cf242c0cc11f0508fd2df1c7e863b7db1b25d28fc93b1
[INFO] running `Command { std: "docker" "start" "-a" "3d06e9fce08ce8ebbf1cf242c0cc11f0508fd2df1c7e863b7db1b25d28fc93b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic-polyfill v1.0.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling critical-section v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling as-slice v0.2.1
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling atomic-pool v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "3d06e9fce08ce8ebbf1cf242c0cc11f0508fd2df1c7e863b7db1b25d28fc93b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d06e9fce08ce8ebbf1cf242c0cc11f0508fd2df1c7e863b7db1b25d28fc93b1", kill_on_drop: false }`
[INFO] [stdout] 3d06e9fce08ce8ebbf1cf242c0cc11f0508fd2df1c7e863b7db1b25d28fc93b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d330d5478e7b69f0411b1620d41cd05419bff85ed64911a8d48a73be48ac6fb
[INFO] running `Command { std: "docker" "start" "-a" "1d330d5478e7b69f0411b1620d41cd05419bff85ed64911a8d48a73be48ac6fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic-pool v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/simple.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Packet(u32);
[INFO] [stdout]   |        ------ ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Packet(());
[INFO] [stdout]   |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "1d330d5478e7b69f0411b1620d41cd05419bff85ed64911a8d48a73be48ac6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d330d5478e7b69f0411b1620d41cd05419bff85ed64911a8d48a73be48ac6fb", kill_on_drop: false }`
[INFO] [stdout] 1d330d5478e7b69f0411b1620d41cd05419bff85ed64911a8d48a73be48ac6fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3bee2fd8b25fe3e82523b1bfccc7f906c103283eef5e46ca22f97a86d20427f
[INFO] running `Command { std: "docker" "start" "-a" "a3bee2fd8b25fe3e82523b1bfccc7f906c103283eef5e46ca22f97a86d20427f", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/simple.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Packet(u32);
[INFO] [stderr]   |        ------ ^^^
[INFO] [stderr]   |        |
[INFO] [stderr]   |        field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Packet(());
[INFO] [stderr]   |               ~~
[INFO] [stderr] 
[INFO] [stderr] warning: `atomic-pool` (example "simple") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/atomic_pool-fb970f159d2c4a18)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test atomic_bitset::test::test_16 ... ok
[INFO] [stdout] test atomic_bitset::test::test_48 ... ok
[INFO] [stdout] test atomic_bitset::test::test_32 ... ok
[INFO] [stdout] test atomic_bitset::test::test_64 ... ok
[INFO] [stdout] test test::test_pool ... ok
[INFO] [stdout] test atomic_bitset::test::test_31337 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests atomic_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" "a3bee2fd8b25fe3e82523b1bfccc7f906c103283eef5e46ca22f97a86d20427f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3bee2fd8b25fe3e82523b1bfccc7f906c103283eef5e46ca22f97a86d20427f", kill_on_drop: false }`
[INFO] [stdout] a3bee2fd8b25fe3e82523b1bfccc7f906c103283eef5e46ca22f97a86d20427f
