[INFO] fetching crate cpclib-tokens 0.7.0...
[INFO] testing cpclib-tokens-0.7.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate cpclib-tokens 0.7.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cpclib-tokens 0.7.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpclib-tokens 0.7.0
[INFO] finished tweaking crates.io crate cpclib-tokens 0.7.0
[INFO] tweaked toml for crates.io crate cpclib-tokens 0.7.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitfield v0.14.0
[INFO] [stderr]   Downloaded resolve-path v0.1.0
[INFO] [stderr]   Downloaded cpclib-sna v0.7.0
[INFO] [stderr]   Downloaded cpclib-common v0.7.0
[INFO] [stderr]   Downloaded ordered-float v3.9.2
[INFO] [stderr]   Downloaded remain v0.2.12
[INFO] [stderr]   Downloaded delegate v0.10.0
[INFO] [stderr]   Downloaded evalexpr v11.3.0
[INFO] [stderr]   Downloaded toml v0.7.8
[INFO] [stderr]   Downloaded cargo-lock v9.0.0
[INFO] [stderr]   Downloaded built v0.6.1
[INFO] [stderr]   Downloaded nom_locate v4.2.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88a55ccf1879b4d846ea187311f51f0c940cfb3b9046edf3cfbae3adac926df2
[INFO] running `Command { std: "docker" "start" "-a" "88a55ccf1879b4d846ea187311f51f0c940cfb3b9046edf3cfbae3adac926df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88a55ccf1879b4d846ea187311f51f0c940cfb3b9046edf3cfbae3adac926df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a55ccf1879b4d846ea187311f51f0c940cfb3b9046edf3cfbae3adac926df2", kill_on_drop: false }`
[INFO] [stdout] 88a55ccf1879b4d846ea187311f51f0c940cfb3b9046edf3cfbae3adac926df2
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aae81667f34e3b7834132637d3b6a86f1f98326b48f716b1989428f89c1bce0c
[INFO] running `Command { std: "docker" "start" "-a" "aae81667f34e3b7834132637d3b6a86f1f98326b48f716b1989428f89c1bce0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling indexmap v2.2.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.60
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling chrono v0.4.34
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling resolve-path v0.1.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling bitsets v0.1.1
[INFO] [stderr]    Compiling nom_locate v4.2.0
[INFO] [stderr]    Compiling bitfield v0.14.0
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling smol_str v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling evalexpr v11.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling cpclib-common v0.7.0
[INFO] [stderr]    Compiling remain v0.2.12
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling delegate v0.10.0
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling cargo-lock v9.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]    Compiling built v0.6.1
[INFO] [stderr]    Compiling cpclib-sna v0.7.0
[INFO] [stderr]    Compiling cpclib-tokens v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num_enum v0.6.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stmt_expr_attributes)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/symbols.rs:688:29
[INFO] [stdout]     |
[INFO] [stdout] 687 | ...                   panic!();
[INFO] [stdout]     |                       -------- any code following this expression is unreachable
[INFO] [stdout] 688 | ...                   SymbolError::WrongSymbol(variable.into())
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cpclib-tokens` (lib) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "aae81667f34e3b7834132637d3b6a86f1f98326b48f716b1989428f89c1bce0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae81667f34e3b7834132637d3b6a86f1f98326b48f716b1989428f89c1bce0c", kill_on_drop: false }`
[INFO] [stdout] aae81667f34e3b7834132637d3b6a86f1f98326b48f716b1989428f89c1bce0c
