[INFO] fetching crate serde_ignored 0.1.2...
[INFO] testing serde_ignored-0.1.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate serde_ignored 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde_ignored 0.1.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7e3fb07f75fb14f853ec6e1194b7c054d1fa4b25b57e8046aa06c9af7630206
[INFO] running `Command { std: "docker" "start" "-a" "c7e3fb07f75fb14f853ec6e1194b7c054d1fa4b25b57e8046aa06c9af7630206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7e3fb07f75fb14f853ec6e1194b7c054d1fa4b25b57e8046aa06c9af7630206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e3fb07f75fb14f853ec6e1194b7c054d1fa4b25b57e8046aa06c9af7630206", kill_on_drop: false }`
[INFO] [stdout] c7e3fb07f75fb14f853ec6e1194b7c054d1fa4b25b57e8046aa06c9af7630206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7113823983e27e3240dc7fc43ee507429a16731fc4fd306733692293ea8126bb
[INFO] running `Command { std: "docker" "start" "-a" "7113823983e27e3240dc7fc43ee507429a16731fc4fd306733692293ea8126bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_ignored v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "7113823983e27e3240dc7fc43ee507429a16731fc4fd306733692293ea8126bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7113823983e27e3240dc7fc43ee507429a16731fc4fd306733692293ea8126bb", kill_on_drop: false }`
[INFO] [stdout] 7113823983e27e3240dc7fc43ee507429a16731fc4fd306733692293ea8126bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 630f9bb75f34f96b968fc437550b61a4d5d2463eb4446c2f220f153f39f071b0
[INFO] running `Command { std: "docker" "start" "-a" "630f9bb75f34f96b968fc437550b61a4d5d2463eb4446c2f220f153f39f071b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[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] 
[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] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.93s
[INFO] running `Command { std: "docker" "inspect" "630f9bb75f34f96b968fc437550b61a4d5d2463eb4446c2f220f153f39f071b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630f9bb75f34f96b968fc437550b61a4d5d2463eb4446c2f220f153f39f071b0", kill_on_drop: false }`
[INFO] [stdout] 630f9bb75f34f96b968fc437550b61a4d5d2463eb4446c2f220f153f39f071b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 509b272641759abe9af22632e781e019a84a339474d31b7d0f0b67040e77d0ba
[INFO] running `Command { std: "docker" "start" "-a" "509b272641759abe9af22632e781e019a84a339474d31b7d0f0b67040e77d0ba", 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] 
[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] warning: `serde_ignored` (test "test") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_ignored-1cc51f9c43139dc9)
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-41b1174b4a0ac3d3)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_int_key ... ok
[INFO] [stdout] test test_newtype_key ... ok
[INFO] [stdout] test test_unit_variant_key ... ok
[INFO] [stdout] test test_readme ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_ignored
[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 1.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "509b272641759abe9af22632e781e019a84a339474d31b7d0f0b67040e77d0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509b272641759abe9af22632e781e019a84a339474d31b7d0f0b67040e77d0ba", kill_on_drop: false }`
[INFO] [stdout] 509b272641759abe9af22632e781e019a84a339474d31b7d0f0b67040e77d0ba