[INFO] fetching crate plumber-rs 0.1.2...
[INFO] testing plumber-rs-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate plumber-rs 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate plumber-rs 0.1.2
[INFO] finished tweaking crates.io crate plumber-rs 0.1.2
[INFO] tweaked toml for crates.io crate plumber-rs 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate plumber-rs 0.1.2 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] 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d05bfff6dd25018d7b78fc1b86865f0a281680df6662d4eb79ac5a23f30de77b
[INFO] running `Command { std: "docker" "start" "-a" "d05bfff6dd25018d7b78fc1b86865f0a281680df6662d4eb79ac5a23f30de77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d05bfff6dd25018d7b78fc1b86865f0a281680df6662d4eb79ac5a23f30de77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d05bfff6dd25018d7b78fc1b86865f0a281680df6662d4eb79ac5a23f30de77b", kill_on_drop: false }`
[INFO] [stdout] d05bfff6dd25018d7b78fc1b86865f0a281680df6662d4eb79ac5a23f30de77b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] aec90a64b6b8083857650d977f33acbad63031534702275e2535c0198a26167e
[INFO] running `Command { std: "docker" "start" "-a" "aec90a64b6b8083857650d977f33acbad63031534702275e2535c0198a26167e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling plumber-rs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_leak)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute may not be used in combination with `#[export_name]`
[INFO] [stdout]   --> src/lib.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[no_mangle]
[INFO] [stdout]    | ^^^^^^^^^^^^ `#[no_mangle]` is ignored
[INFO] [stdout]    |
[INFO] [stdout] note: `#[export_name]` takes precedence
[INFO] [stdout]   --> src/lib.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[export_name="__plumber_address_table"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove the `#[no_mangle]` attribute
[INFO] [stdout]    |
[INFO] [stdout] 68 - #[no_mangle]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `box_leak` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_leak)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pipe.rs:92:17
[INFO] [stdout]     |
[INFO] [stdout]  92 |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 255 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_GET_FLAGS, pf_ref as *mut c_void)
[INFO] [stdout]     |                  ----------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `pipe_cntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plumber-rs` (lib) due to 2 previous errors; 9 warnings emitted
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pipe.rs:92:17
[INFO] [stdout]     |
[INFO] [stdout]  92 |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 285 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_SET_FLAG, flag)
[INFO] [stdout]     |                  ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `pipe_cntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pipe.rs:92:17
[INFO] [stdout]     |
[INFO] [stdout]  92 |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 301 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_CLR_FLAG, flag)
[INFO] [stdout]     |                  ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `pipe_cntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pipe.rs:92:17
[INFO] [stdout]     |
[INFO] [stdout]  92 |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 337 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_POP_STATE, state_ptr_ref as *const *mut ST)
[INFO] [stdout]     |                  --------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `pipe_cntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pipe.rs:92:17
[INFO] [stdout]     |
[INFO] [stdout]  92 |             let mut data_ptr = &mut pipe_cntl_data as *mut PipeCntlData;
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 371 |         if -1 != pipe_cntl!(self.pipe, PIPE_CNTL_PUSH_STATE, void_ptr, dispose_func_ptr)
[INFO] [stdout]     |                  ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `pipe_cntl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/log.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut data_ptr = &mut data as *mut LogWriteData;
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/protocol.rs:308:17
[INFO] [stdout]     |
[INFO] [stdout] 308 |             let mut buf_ptr = &mut buf as *mut T;
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aec90a64b6b8083857650d977f33acbad63031534702275e2535c0198a26167e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec90a64b6b8083857650d977f33acbad63031534702275e2535c0198a26167e", kill_on_drop: false }`
[INFO] [stdout] aec90a64b6b8083857650d977f33acbad63031534702275e2535c0198a26167e
