[INFO] fetching crate mpc 0.1.10...
[INFO] testing mpc-0.1.10 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mpc 0.1.10 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mpc 0.1.10
[INFO] finished tweaking crates.io crate mpc 0.1.10
[INFO] tweaked toml for crates.io crate mpc 0.1.10 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpc 0.1.10 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3c70c0ac01cda55193d7f624a67a4360b0c9efe3472c6259599fa564a0e55a0
[INFO] running `Command { std: "docker" "start" "-a" "f3c70c0ac01cda55193d7f624a67a4360b0c9efe3472c6259599fa564a0e55a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3c70c0ac01cda55193d7f624a67a4360b0c9efe3472c6259599fa564a0e55a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c70c0ac01cda55193d7f624a67a4360b0c9efe3472c6259599fa564a0e55a0", kill_on_drop: false }`
[INFO] [stdout] f3c70c0ac01cda55193d7f624a67a4360b0c9efe3472c6259599fa564a0e55a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f459518e1a4a0dbb958895600376f0ee2d6d03073563715719ca77a7cb1f38a
[INFO] running `Command { std: "docker" "start" "-a" "7f459518e1a4a0dbb958895600376f0ee2d6d03073563715719ca77a7cb1f38a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling mpc v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]  --> build.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |     gcc::Config::new()
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     gcc::Config::new()
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(inclusive_range_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `inclusive_range_syntax` has been stable since `1.26.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/glue.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | extern
[INFO] [stdout]    | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | #![deny(warnings, missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(missing_abi)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/mpc_c.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern
[INFO] [stdout]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/mpc_c.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn mpc_satisfy(f: extern fn(c: c_char) -> i32) -> *mut mpc_parser_t;
[INFO] [stdout]    |                           ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/mpc_c.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn mpc_anchor(f: extern fn(c1: c_char, c2: c_char) -> i32) -> *mut mpc_parser_t;
[INFO] [stdout]    |                          ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/mpc_c.rs:340:11
[INFO] [stdout]     |
[INFO] [stdout] 340 |         tester: extern fn(a1: *const c_void, a2: *const c_void) -> i32,
[INFO] [stdout]     |                 ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/mpc_c.rs:342:12
[INFO] [stdout]     |
[INFO] [stdout] 342 |         printer: extern fn(p: *const c_void)
[INFO] [stdout]     |                  ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/mpc_c.rs:349:11
[INFO] [stdout]     |
[INFO] [stdout] 349 |         tester: extern fn(a1: *const c_void, a2: *const c_void) -> i32,
[INFO] [stdout]     |                 ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/mpc_c.rs:351:12
[INFO] [stdout]     |
[INFO] [stdout] 351 |         printer: extern fn(p: *const c_void)
[INFO] [stdout]     |                  ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/mpc_c_types.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub type mpc_dtor_t = extern fn(val: *const mpc_val_t);
[INFO] [stdout]    |                       ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/mpc_c_types.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub type mpc_ctor_t = extern fn() -> *const mpc_val_t;
[INFO] [stdout]    |                       ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/mpc_c_types.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub type mpc_apply_t = extern fn() -> *const mpc_val_t;
[INFO] [stdout]    |                        ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/mpc_c_types.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub type mpc_apply_to_t = extern fn(val: *const mpc_val_t, *const c_void) -> mpc_val_t;
[INFO] [stdout]    |                           ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/mpc_c_types.rs:91:23
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub type mpc_fold_t = extern fn(i: i32, v: *const *const mpc_val_t) -> mpc_val_t;
[INFO] [stdout]    |                       ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(inclusive_range_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mpc` (lib) due to 1 previous error; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7f459518e1a4a0dbb958895600376f0ee2d6d03073563715719ca77a7cb1f38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f459518e1a4a0dbb958895600376f0ee2d6d03073563715719ca77a7cb1f38a", kill_on_drop: false }`
[INFO] [stdout] 7f459518e1a4a0dbb958895600376f0ee2d6d03073563715719ca77a7cb1f38a