[INFO] fetching crate libscroll 0.2.4... [INFO] testing libscroll-0.2.4 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate libscroll 0.2.4 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate libscroll 0.2.4 [INFO] finished tweaking crates.io crate libscroll 0.2.4 [INFO] tweaked toml for crates.io crate libscroll 0.2.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate libscroll 0.2.4 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 21 packages to latest compatible versions [INFO] [stderr] Adding app_dirs v1.2.1 (available: v2.0.1) [INFO] [stderr] Adding flo_curves v0.3.1 (available: v0.8.0) [INFO] [stderr] Adding num v0.2.1 (available: v0.4.3) [INFO] [stderr] Adding tini v0.1.1 (available: v1.3.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 99b014449310917adb188ff011df906fd1b3d41a9f2808c68df5e61260a0326e [INFO] running `Command { std: "docker" "start" "-a" "99b014449310917adb188ff011df906fd1b3d41a9f2808c68df5e61260a0326e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99b014449310917adb188ff011df906fd1b3d41a9f2808c68df5e61260a0326e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99b014449310917adb188ff011df906fd1b3d41a9f2808c68df5e61260a0326e", kill_on_drop: false }` [INFO] [stdout] 99b014449310917adb188ff011df906fd1b3d41a9f2808c68df5e61260a0326e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 63d8d5a805fb2024cc208e5f2f8913723ee0d34c6bac73516556583eecf64cea [INFO] running `Command { std: "docker" "start" "-a" "63d8d5a805fb2024cc208e5f2f8913723ee0d34c6bac73516556583eecf64cea", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling roots v0.0.6 [INFO] [stderr] Compiling xdg v2.5.2 [INFO] [stderr] Compiling tini v0.1.1 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling app_dirs v1.2.1 [INFO] [stderr] Compiling flo_curves v0.3.1 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling libscroll v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(map_first_last)] [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:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(half_open_range_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `half_open_range_patterns` has been stable since `1.66.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/interpolate.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `half_open_range_patterns` has been stable since 1.66.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(half_open_range_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `map_first_last` has been stable since 1.66.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(map_first_last)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/interpolate.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 155 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 156 | [INFO] [stdout] 157 | / println!("Current events are {{{}}}", [INFO] [stdout] 158 | | self.events.iter().fold( [INFO] [stdout] 159 | | String::new(), |s, evt| { s.to_owned() + &evt.to_string()[..] })); [INFO] [stdout] | |______________________________________________________________________________________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/interpolate.rs:806:9 [INFO] [stdout] | [INFO] [stdout] 805 | panic!("not implemented"); [INFO] [stdout] | ------------------------- any code following this expression is unreachable [INFO] [stdout] 806 | 0.0 [INFO] [stdout] | ^^^ unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> src/interpolate.rs:343:25 [INFO] [stdout] | [INFO] [stdout] 343 | fn flush(&mut self, time: Time) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `second_after` [INFO] [stdout] --> src/interpolate.rs:429:13 [INFO] [stdout] | [INFO] [stdout] 429 | let second_after = match first_after { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_after` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/interpolate.rs:479:13 [INFO] [stdout] | [INFO] [stdout] 479 | let config = sconfig.read().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `config` [INFO] [stdout] --> src/interpolate.rs:485:13 [INFO] [stdout] | [INFO] [stdout] 485 | let config = sconfig.read().unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `abs_vel` [INFO] [stdout] --> src/interpolate.rs:516:21 [INFO] [stdout] | [INFO] [stdout] 516 | let abs_vel = velocity.abs(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_abs_vel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `timedelta` [INFO] [stdout] --> src/interpolate.rs:517:21 [INFO] [stdout] | [INFO] [stdout] 517 | let timedelta = end - start; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timedelta` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `at` [INFO] [stdout] --> src/interpolate.rs:760:51 [INFO] [stdout] | [INFO] [stdout] 760 | fn interpolate_constant(events: &Vec<&Event>, at: Time) -> f64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_at` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `events` [INFO] [stdout] --> src/interpolate.rs:803:28 [INFO] [stdout] | [INFO] [stdout] 803 | fn interpolate_hermite(events: &Vec<&Event>, at: Time) -> f64 { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_events` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `at` [INFO] [stdout] --> src/interpolate.rs:803:50 [INFO] [stdout] | [INFO] [stdout] 803 | fn interpolate_hermite(events: &Vec<&Event>, at: Time) -> f64 { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_at` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `libscroll` (lib) due to 2 previous errors; 16 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "63d8d5a805fb2024cc208e5f2f8913723ee0d34c6bac73516556583eecf64cea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63d8d5a805fb2024cc208e5f2f8913723ee0d34c6bac73516556583eecf64cea", kill_on_drop: false }` [INFO] [stdout] 63d8d5a805fb2024cc208e5f2f8913723ee0d34c6bac73516556583eecf64cea