[INFO] fetching crate serde_ignored 0.1.2...
[INFO] testing serde_ignored-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate serde_ignored 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serde_ignored 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_ignored 0.1.2
[INFO] finished tweaking crates.io crate serde_ignored 0.1.2
[INFO] tweaked toml for crates.io crate serde_ignored 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0397a179ffee3299987902c7859c6279667675a6f93f48d7e031ef92db5c84a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0397a179ffee3299987902c7859c6279667675a6f93f48d7e031ef92db5c84a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0397a179ffee3299987902c7859c6279667675a6f93f48d7e031ef92db5c84a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0397a179ffee3299987902c7859c6279667675a6f93f48d7e031ef92db5c84a4", kill_on_drop: false }`
[INFO] [stdout] 0397a179ffee3299987902c7859c6279667675a6f93f48d7e031ef92db5c84a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6f24ff20e528a2cee5a8a96c0f4c8ab7d721f6598ef8f879342eaaf02252c0c
[INFO] running `Command { std: "docker" "start" "-a" "d6f24ff20e528a2cee5a8a96c0f4c8ab7d721f6598ef8f879342eaaf02252c0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_ignored v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "d6f24ff20e528a2cee5a8a96c0f4c8ab7d721f6598ef8f879342eaaf02252c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f24ff20e528a2cee5a8a96c0f4c8ab7d721f6598ef8f879342eaaf02252c0c", kill_on_drop: false }`
[INFO] [stdout] d6f24ff20e528a2cee5a8a96c0f4c8ab7d721f6598ef8f879342eaaf02252c0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15cfebca5dc9cb106c405f1ef4ff47f5609ff27c0803126a36ad174cc11c3696
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "15cfebca5dc9cb106c405f1ef4ff47f5609ff27c0803126a36ad174cc11c3696", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_ignored v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `used`
[INFO] [stdout]   --> tests/test.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     used: (),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `V` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> tests/test.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> tests/test.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         a: Map<usize, V>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> tests/test.rs:78:14
[INFO] [stdout]    |
[INFO] [stdout] 78 |     #[derive(Debug, Deserialize)]
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_ignored-3caf61af848753c0)
[INFO] [stderr]   Executable tests/test.rs (/opt/rustwide/target/debug/deps/test-9420173f476c5c69)
[INFO] running `Command { std: "docker" "inspect" "15cfebca5dc9cb106c405f1ef4ff47f5609ff27c0803126a36ad174cc11c3696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cfebca5dc9cb106c405f1ef4ff47f5609ff27c0803126a36ad174cc11c3696", kill_on_drop: false }`
[INFO] [stdout] 15cfebca5dc9cb106c405f1ef4ff47f5609ff27c0803126a36ad174cc11c3696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20f8157f1f5609504ce04549ec9199a490672e726b725809d5144e239c4aad4a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20f8157f1f5609504ce04549ec9199a490672e726b725809d5144e239c4aad4a", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `used`
[INFO] [stderr]   --> tests/test.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     used: (),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `V` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> tests/test.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(Debug, Deserialize)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stderr]   --> tests/test.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         a: Map<usize, V>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Test` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> tests/test.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |     #[derive(Debug, Deserialize)]
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_ignored` (test "test") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_ignored-3caf61af848753c0)
[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]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-9420173f476c5c69)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests serde_ignored
[INFO] [stdout] test test_int_key ... ok
[INFO] [stdout] test test_readme ... ok
[INFO] [stdout] test test_unit_variant_key ... ok
[INFO] [stdout] test test_newtype_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20f8157f1f5609504ce04549ec9199a490672e726b725809d5144e239c4aad4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f8157f1f5609504ce04549ec9199a490672e726b725809d5144e239c4aad4a", kill_on_drop: false }`
[INFO] [stdout] 20f8157f1f5609504ce04549ec9199a490672e726b725809d5144e239c4aad4a