[INFO] fetching crate pebble 0.8.5...
[INFO] testing pebble-0.8.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pebble 0.8.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pebble 0.8.5
[INFO] finished tweaking crates.io crate pebble 0.8.5
[INFO] tweaked toml for crates.io crate pebble 0.8.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pebble 0.8.5 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.9.0 (available: v0.12.1)
[INFO] [stderr]       Adding lzf v0.3.2 (available: v1.0.0)
[INFO] [stderr]       Adding toml v0.4.10 (available: v0.9.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdaef5b74872f8161a29efe6b5d9de194bc0edf5e1fa6e4fb78e47b30a3fb0c2
[INFO] running `Command { std: "docker" "start" "-a" "bdaef5b74872f8161a29efe6b5d9de194bc0edf5e1fa6e4fb78e47b30a3fb0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdaef5b74872f8161a29efe6b5d9de194bc0edf5e1fa6e4fb78e47b30a3fb0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdaef5b74872f8161a29efe6b5d9de194bc0edf5e1fa6e4fb78e47b30a3fb0c2", kill_on_drop: false }`
[INFO] [stdout] bdaef5b74872f8161a29efe6b5d9de194bc0edf5e1fa6e4fb78e47b30a3fb0c2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85cc47e5f75b572c875f7a0f13246f1ccc6707f4ecced1782d093edb4fc2c7e5
[INFO] running `Command { std: "docker" "start" "-a" "85cc47e5f75b572c875f7a0f13246f1ccc6707f4ecced1782d093edb4fc2c7e5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling recipe-reader v0.9.11
[INFO] [stderr]    Compiling lzf v0.3.2
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling pebble v0.8.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 t.files.remove_item(&file);
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `remove` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 475 -                 t.files.remove_item(&file);
[INFO] [stdout] 475 +                 t.files.remove(&file);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:557:12
[INFO] [stdout]     |
[INFO] [stdout] 557 |             t.files.remove_item(&filename.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `remove` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 557 -             t.files.remove_item(&filename.to_string());
[INFO] [stdout] 557 +             t.files.remove(&filename.to_string());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:558:12
[INFO] [stdout]     |
[INFO] [stdout] 558 |             t.files.remove_item(&("src/".to_string() + filename));
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `remove` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 558 -             t.files.remove_item(&("src/".to_string() + filename));
[INFO] [stdout] 558 +             t.files.remove(&("src/".to_string() + filename));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/commands.rs:504:7
[INFO] [stdout]     |
[INFO] [stdout] 504 |         for mut t in &mut recipe.targets
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/commands.rs:518:7
[INFO] [stdout]     |
[INFO] [stdout] 518 |         for mut t in &mut recipe.targets
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pebble` (bin "pebble") due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "85cc47e5f75b572c875f7a0f13246f1ccc6707f4ecced1782d093edb4fc2c7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85cc47e5f75b572c875f7a0f13246f1ccc6707f4ecced1782d093edb4fc2c7e5", kill_on_drop: false }`
[INFO] [stdout] 85cc47e5f75b572c875f7a0f13246f1ccc6707f4ecced1782d093edb4fc2c7e5
