[INFO] fetching crate cbe-frozen-abi 1.15.0...
[INFO] checking cbe-frozen-abi-1.15.0 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate cbe-frozen-abi 1.15.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cbe-frozen-abi 1.15.0 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 cbe-frozen-abi 1.15.0
[INFO] finished tweaking crates.io crate cbe-frozen-abi 1.15.0
[INFO] tweaked toml for crates.io crate cbe-frozen-abi 1.15.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ahash v0.7.7
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.18
[INFO] [stderr]   Downloaded cbe-frozen-abi-macro v1.15.0
[INFO] [stderr]   Downloaded memmap2 v0.5.10
[INFO] [stderr]   Downloaded block-buffer v0.9.0
[INFO] [stderr]   Downloaded feature-probe v0.1.1
[INFO] [stderr]   Downloaded rand_xoshiro v0.6.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.14
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded bs58 v0.4.0
[INFO] [stderr]   Downloaded rayon-core v1.12.1
[INFO] [stderr]   Downloaded bv v0.11.1
[INFO] [stderr]   Downloaded sized-chunks v0.6.5
[INFO] [stderr]   Downloaded rayon v1.8.1
[INFO] [stderr]   Downloaded im v15.1.0
[INFO] [stderr]   Downloaded block-padding v0.2.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.5
[INFO] [stderr]   Downloaded cbe-logger v1.15.0
[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] 7ef98316de189746a1d6eed88df9c289e74bc6d506b8b96d011d2d2ac16cdced
[INFO] running `Command { std: "docker" "start" "-a" "7ef98316de189746a1d6eed88df9c289e74bc6d506b8b96d011d2d2ac16cdced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ef98316de189746a1d6eed88df9c289e74bc6d506b8b96d011d2d2ac16cdced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef98316de189746a1d6eed88df9c289e74bc6d506b8b96d011d2d2ac16cdced", kill_on_drop: false }`
[INFO] [stdout] 7ef98316de189746a1d6eed88df9c289e74bc6d506b8b96d011d2d2ac16cdced
[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] 08d6991fa6743d1eec7edb02c6f0a808a058e0e809b1f80aa011c621d74a23c3
[INFO] running `Command { std: "docker" "start" "-a" "08d6991fa6743d1eec7edb02c6f0a808a058e0e809b1f80aa011c621d74a23c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling cbe-frozen-abi-macro v1.15.0
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking jobserver v0.1.27
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling cbe-frozen-abi v1.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling blake3 v1.5.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cbe-logger v1.15.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]    --> src/abi_digester.rs:667:55
[INFO] [stdout]     |
[INFO] [stdout] 667 |         struct TestTupleStruct(i8, i8, #[serde(skip)] i8);
[INFO] [stdout]     |                --------------- field in this struct   ^^
[INFO] [stdout]     |
[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] 667 |         struct TestTupleStruct(i8, i8, #[serde(skip)] ());
[INFO] [stdout]     |                                                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "08d6991fa6743d1eec7edb02c6f0a808a058e0e809b1f80aa011c621d74a23c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d6991fa6743d1eec7edb02c6f0a808a058e0e809b1f80aa011c621d74a23c3", kill_on_drop: false }`
[INFO] [stdout] 08d6991fa6743d1eec7edb02c6f0a808a058e0e809b1f80aa011c621d74a23c3
[INFO] checking cbe-frozen-abi-1.15.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] extracting crate cbe-frozen-abi 1.15.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate cbe-frozen-abi 1.15.0 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 cbe-frozen-abi 1.15.0
[INFO] finished tweaking crates.io crate cbe-frozen-abi 1.15.0
[INFO] tweaked toml for crates.io crate cbe-frozen-abi 1.15.0 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] 07d838f490fcdcdc1228aebafdff8cbddc8d113d20fc660dcd59f772f22c64aa
[INFO] running `Command { std: "docker" "start" "-a" "07d838f490fcdcdc1228aebafdff8cbddc8d113d20fc660dcd59f772f22c64aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07d838f490fcdcdc1228aebafdff8cbddc8d113d20fc660dcd59f772f22c64aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d838f490fcdcdc1228aebafdff8cbddc8d113d20fc660dcd59f772f22c64aa", kill_on_drop: false }`
[INFO] [stdout] 07d838f490fcdcdc1228aebafdff8cbddc8d113d20fc660dcd59f772f22c64aa
[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] b3ae0a0905142c5aebe5f4fa1c644c0953d3e59c958c174765f2d169aad33ec8
[INFO] running `Command { std: "docker" "start" "-a" "b3ae0a0905142c5aebe5f4fa1c644c0953d3e59c958c174765f2d169aad33ec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling cbe-frozen-abi-macro v1.15.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking jobserver v0.1.27
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling cbe-frozen-abi v1.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling blake3 v1.5.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking cbe-logger v1.15.0
[INFO] [stdout] error: unexpected `cfg` condition name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(RUSTC_WITH_SPECIALIZATION, feature(specialization))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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 name: `RUSTC_NEEDS_PROC_MACRO_HYGIENE`
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(RUSTC_NEEDS_PROC_MACRO_HYGIENE, feature(proc_macro_hygiene))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_NEEDS_PROC_MACRO_HYGIENE)");` to the top of a `build.rs`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]  --> src/lib.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(RUSTC_WITH_SPECIALIZATION)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]   --> src/lib.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(RUSTC_WITH_SPECIALIZATION)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]   --> src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(RUSTC_WITH_SPECIALIZATION)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]   --> src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(RUSTC_WITH_SPECIALIZATION)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]   --> src/lib.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg(RUSTC_WITH_SPECIALIZATION)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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: `cbe`
[INFO] [stdout]    --> src/abi_example.rs:218:11
[INFO] [stdout]     |
[INFO] [stdout] 218 | #[cfg(not(target_os = "cbe"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm`
[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: `cbe`
[INFO] [stdout]    --> src/abi_example.rs:220:11
[INFO] [stdout]     |
[INFO] [stdout] 220 | #[cfg(not(target_os = "cbe"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm`
[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: `cbe`
[INFO] [stdout]    --> src/abi_example.rs:369:11
[INFO] [stdout]     |
[INFO] [stdout] 369 | #[cfg(not(target_os = "cbe"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm`
[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: `cbe`
[INFO] [stdout]    --> src/abi_example.rs:446:11
[INFO] [stdout]     |
[INFO] [stdout] 446 | #[cfg(not(target_os = "cbe"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm`
[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: `cbe`
[INFO] [stdout]    --> src/abi_example.rs:453:11
[INFO] [stdout]     |
[INFO] [stdout] 453 | #[cfg(not(target_os = "cbe"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(RUSTC_WITH_SPECIALIZATION, feature(specialization))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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 name: `RUSTC_NEEDS_PROC_MACRO_HYGIENE`
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(RUSTC_NEEDS_PROC_MACRO_HYGIENE, feature(proc_macro_hygiene))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_NEEDS_PROC_MACRO_HYGIENE)");` to the top of a `build.rs`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]  --> src/lib.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(RUSTC_WITH_SPECIALIZATION)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]   --> src/lib.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[cfg(RUSTC_WITH_SPECIALIZATION)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]   --> src/lib.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(RUSTC_WITH_SPECIALIZATION)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]   --> src/lib.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(RUSTC_WITH_SPECIALIZATION)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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 name: `RUSTC_WITH_SPECIALIZATION`
[INFO] [stdout]   --> src/lib.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[cfg(RUSTC_WITH_SPECIALIZATION)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(RUSTC_WITH_SPECIALIZATION)");` to the top of a `build.rs`
[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: `cbe`
[INFO] [stdout]    --> src/abi_example.rs:218:11
[INFO] [stdout]     |
[INFO] [stdout] 218 | #[cfg(not(target_os = "cbe"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm`
[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: `cbe`
[INFO] [stdout]    --> src/abi_example.rs:220:11
[INFO] [stdout]     |
[INFO] [stdout] 220 | #[cfg(not(target_os = "cbe"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm`
[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: `cbe`
[INFO] [stdout]    --> src/abi_example.rs:369:11
[INFO] [stdout]     |
[INFO] [stdout] 369 | #[cfg(not(target_os = "cbe"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm`
[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: `cbe`
[INFO] [stdout]    --> src/abi_example.rs:446:11
[INFO] [stdout]     |
[INFO] [stdout] 446 | #[cfg(not(target_os = "cbe"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm`
[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: `cbe`
[INFO] [stdout]    --> src/abi_example.rs:453:11
[INFO] [stdout]     |
[INFO] [stdout] 453 | #[cfg(not(target_os = "cbe"))]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `android`, `cuda`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `openbsd`, `psp`, `redox`, `solaris`, `solid_asp3`, `teeos`, `tvos`, `uefi`, `unknown`, `vita`, `vxworks`, `wasi`, `watchos`, `windows`, `xous`, `zkvm`
[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 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbe-frozen-abi` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]    --> src/abi_digester.rs:667:55
[INFO] [stdout]     |
[INFO] [stdout] 667 |         struct TestTupleStruct(i8, i8, #[serde(skip)] i8);
[INFO] [stdout]     |                --------------- field in this struct   ^^
[INFO] [stdout]     |
[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] 667 |         struct TestTupleStruct(i8, i8, #[serde(skip)] ());
[INFO] [stdout]     |                                                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbe-frozen-abi` (lib test) due to 13 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b3ae0a0905142c5aebe5f4fa1c644c0953d3e59c958c174765f2d169aad33ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ae0a0905142c5aebe5f4fa1c644c0953d3e59c958c174765f2d169aad33ec8", kill_on_drop: false }`
[INFO] [stdout] b3ae0a0905142c5aebe5f4fa1c644c0953d3e59c958c174765f2d169aad33ec8
