[INFO] fetching crate pelt 0.1.0... [INFO] testing pelt-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate pelt 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate pelt 0.1.0 [INFO] finished tweaking crates.io crate pelt 0.1.0 [INFO] tweaked toml for crates.io crate pelt 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pelt 0.1.0 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] crate crates.io crate pelt 0.1.0 already has a lockfile, it will not be regenerated [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] 763a028d3c2ed30ee83c4254d5def09b797e81198bde7e480c2c00b249c4670f [INFO] running `Command { std: "docker" "start" "-a" "763a028d3c2ed30ee83c4254d5def09b797e81198bde7e480c2c00b249c4670f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "763a028d3c2ed30ee83c4254d5def09b797e81198bde7e480c2c00b249c4670f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "763a028d3c2ed30ee83c4254d5def09b797e81198bde7e480c2c00b249c4670f", kill_on_drop: false }` [INFO] [stdout] 763a028d3c2ed30ee83c4254d5def09b797e81198bde7e480c2c00b249c4670f [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] 28efc8e8b570fa69bd192d45dbd2a2e9b8b3678351c4b71a6beac9fbb8f2d714 [INFO] running `Command { std: "docker" "start" "-a" "28efc8e8b570fa69bd192d45dbd2a2e9b8b3678351c4b71a6beac9fbb8f2d714", kill_on_drop: false }` [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling pelt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:36:1 [INFO] [stdout] | [INFO] [stdout] 36 | #![feature(test)] [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:37:1 [INFO] [stdout] | [INFO] [stdout] 37 | #![feature(slice_partition_at_index)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `slice_partition_at_index` [INFO] [stdout] --> src/lib.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | #![feature(slice_partition_at_index)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `partition_at_index_by` found for struct `Vec` in the current scope [INFO] [stdout] --> src/cost.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | *x.partition_at_index_by(idx, |a, b| a.partial_cmp(b).unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: there is a method `partition_point` with a similar name, but with different arguments [INFO] [stdout] --> /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/slice/mod.rs:4413:5 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/cost.rs:36:40 [INFO] [stdout] | [INFO] [stdout] 36 | *x.partition_at_index_by(idx, |a, b| a.partial_cmp(b).unwrap()) [INFO] [stdout] | ^ - type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving this closure parameter an explicit type [INFO] [stdout] | [INFO] [stdout] 36 | *x.partition_at_index_by(idx, |a: /* Type */, b| a.partial_cmp(b).unwrap()) [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum_loss` [INFO] [stdout] --> src/alg.rs:141:27 [INFO] [stdout] | [INFO] [stdout] 141 | .map(|(t, sum_loss)| *t) [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sum_loss` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/alg.rs:139:27 [INFO] [stdout] | [INFO] [stdout] 139 | .filter(|(t, sum_loss)| sum_loss < &(loss_current_part)) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/alg.rs:145:57 [INFO] [stdout] | [INFO] [stdout] 145 | let mut cp: Vec = best_part.keys().map(|(start, end)| *end).collect(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0554, E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pelt` (lib) due to 5 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "28efc8e8b570fa69bd192d45dbd2a2e9b8b3678351c4b71a6beac9fbb8f2d714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28efc8e8b570fa69bd192d45dbd2a2e9b8b3678351c4b71a6beac9fbb8f2d714", kill_on_drop: false }` [INFO] [stdout] 28efc8e8b570fa69bd192d45dbd2a2e9b8b3678351c4b71a6beac9fbb8f2d714