[INFO] fetching crate qualifier_attr 0.2.2...
[INFO] checking qualifier_attr-0.2.2 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate qualifier_attr 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate qualifier_attr 0.2.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qualifier_attr 0.2.2
[INFO] finished tweaking crates.io crate qualifier_attr 0.2.2
[INFO] tweaked toml for crates.io crate qualifier_attr 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51612462adb76fbe316ad1966d8c8c015ef565b96685366054c86ff0b8a38ecc
[INFO] running `Command { std: "docker" "start" "-a" "51612462adb76fbe316ad1966d8c8c015ef565b96685366054c86ff0b8a38ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51612462adb76fbe316ad1966d8c8c015ef565b96685366054c86ff0b8a38ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51612462adb76fbe316ad1966d8c8c015ef565b96685366054c86ff0b8a38ecc", kill_on_drop: false }`
[INFO] [stdout] 51612462adb76fbe316ad1966d8c8c015ef565b96685366054c86ff0b8a38ecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9971f24f321cbcf9a3947435a830935a68864a629f9987749a6db04cca341299
[INFO] running `Command { std: "docker" "start" "-a" "9971f24f321cbcf9a3947435a830935a68864a629f9987749a6db04cca341299", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.48
[INFO] [stderr]    Compiling qualifier_attr v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "9971f24f321cbcf9a3947435a830935a68864a629f9987749a6db04cca341299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9971f24f321cbcf9a3947435a830935a68864a629f9987749a6db04cca341299", kill_on_drop: false }`
[INFO] [stdout] 9971f24f321cbcf9a3947435a830935a68864a629f9987749a6db04cca341299
[INFO] checking qualifier_attr-0.2.2 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate qualifier_attr 0.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate qualifier_attr 0.2.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qualifier_attr 0.2.2
[INFO] finished tweaking crates.io crate qualifier_attr 0.2.2
[INFO] tweaked toml for crates.io crate qualifier_attr 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bfc20398c1ebb196fcebfef750fed3b1d2f0c77ef5f5c1ee9efe9eadc12a230
[INFO] running `Command { std: "docker" "start" "-a" "3bfc20398c1ebb196fcebfef750fed3b1d2f0c77ef5f5c1ee9efe9eadc12a230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bfc20398c1ebb196fcebfef750fed3b1d2f0c77ef5f5c1ee9efe9eadc12a230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfc20398c1ebb196fcebfef750fed3b1d2f0c77ef5f5c1ee9efe9eadc12a230", kill_on_drop: false }`
[INFO] [stdout] 3bfc20398c1ebb196fcebfef750fed3b1d2f0c77ef5f5c1ee9efe9eadc12a230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] c350033212971c4eab09723d317669f6e2457452e9da04ac87faa8e06e84660a
[INFO] running `Command { std: "docker" "start" "-a" "c350033212971c4eab09723d317669f6e2457452e9da04ac87faa8e06e84660a", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.48
[INFO] [stderr]    Compiling qualifier_attr v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition value: `extern_c`
[INFO] [stdout]   --> tests/example.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg_attr(feature = "extern_c", no_mangle, qualifiers(pub, extern "C"))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `legacy_attrs`
[INFO] [stdout]    = help: consider adding `extern_c` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unsafe_quux`
[INFO] [stdout]   --> tests/example.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg_attr(feature = "unsafe_quux", qualifiers(unsafe))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `legacy_attrs`
[INFO] [stdout]    = help: consider adding `unsafe_quux` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `unsafe_quux`
[INFO] [stdout]   --> tests/example.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[cfg_attr(feature = "unsafe_quux", qualifiers(unsafe))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `default`, `legacy_attrs`
[INFO] [stdout]    = help: consider adding `unsafe_quux` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qualifier_attr` (test "example") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c350033212971c4eab09723d317669f6e2457452e9da04ac87faa8e06e84660a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c350033212971c4eab09723d317669f6e2457452e9da04ac87faa8e06e84660a", kill_on_drop: false }`
[INFO] [stdout] c350033212971c4eab09723d317669f6e2457452e9da04ac87faa8e06e84660a
