[INFO] fetching crate line-rs 0.1.0... [INFO] testing line-rs-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate line-rs 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate line-rs 0.1.0 [INFO] finished tweaking crates.io crate line-rs 0.1.0 [INFO] tweaked toml for crates.io crate line-rs 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate line-rs 0.1.0 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] crate crates.io crate line-rs 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] 0687052b368fddf7fed9363d2541d74d81e32617c41286ac09e163d5d88df811 [INFO] running `Command { std: "docker" "start" "-a" "0687052b368fddf7fed9363d2541d74d81e32617c41286ac09e163d5d88df811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0687052b368fddf7fed9363d2541d74d81e32617c41286ac09e163d5d88df811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0687052b368fddf7fed9363d2541d74d81e32617c41286ac09e163d5d88df811", kill_on_drop: false }` [INFO] [stdout] 0687052b368fddf7fed9363d2541d74d81e32617c41286ac09e163d5d88df811 [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] adbc41533c34ac17819339e58715c8731f2de89dbf278f29431652573ef6afef [INFO] running `Command { std: "docker" "start" "-a" "adbc41533c34ac17819339e58715c8731f2de89dbf278f29431652573ef6afef", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling utf8parse v0.2.2 [INFO] [stderr] Compiling anstyle v1.0.11 [INFO] [stderr] Compiling colorchoice v1.0.4 [INFO] [stderr] Compiling is_terminal_polyfill v1.70.1 [INFO] [stderr] Compiling anstyle-query v1.1.3 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling clap_lex v0.7.5 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling anstyle-parse v0.2.7 [INFO] [stderr] Compiling anstream v0.6.19 [INFO] [stderr] Compiling clap_builder v4.5.42 [INFO] [stderr] Compiling content_inspector v0.2.4 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling clap_derive v4.5.41 [INFO] [stderr] Compiling clap v4.5.42 [INFO] [stderr] Compiling line-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::any` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::any; [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: `Read` [INFO] [stdout] --> src/main.rs:7:35 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{BufRead, BufReader, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileReader` is never constructed [INFO] [stdout] --> src/main.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | struct FileReader { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `read_line`, and `skip_n_lines` are never used [INFO] [stdout] --> src/main.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl FileReader { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 50 | fn new(mut reader: BufReader) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | fn read_line(&mut self, buf: &mut Vec) -> anyhow::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | fn skip_n_lines(&mut self, n: usize) -> anyhow::Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.00s [INFO] running `Command { std: "docker" "inspect" "adbc41533c34ac17819339e58715c8731f2de89dbf278f29431652573ef6afef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "adbc41533c34ac17819339e58715c8731f2de89dbf278f29431652573ef6afef", kill_on_drop: false }` [INFO] [stdout] adbc41533c34ac17819339e58715c8731f2de89dbf278f29431652573ef6afef [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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ae5bc65a17aec32c41fed63d94ae25d60dda81823ae2a2286093e0531175bc5 [INFO] running `Command { std: "docker" "start" "-a" "9ae5bc65a17aec32c41fed63d94ae25d60dda81823ae2a2286093e0531175bc5", kill_on_drop: false }` [INFO] [stderr] Compiling line-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::any` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::any; [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: `Read` [INFO] [stdout] --> src/main.rs:7:35 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{BufRead, BufReader, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileReader` is never constructed [INFO] [stdout] --> src/main.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | struct FileReader { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `read_line`, and `skip_n_lines` are never used [INFO] [stdout] --> src/main.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl FileReader { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 50 | fn new(mut reader: BufReader) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | fn read_line(&mut self, buf: &mut Vec) -> anyhow::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | fn skip_n_lines(&mut self, n: usize) -> anyhow::Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "9ae5bc65a17aec32c41fed63d94ae25d60dda81823ae2a2286093e0531175bc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ae5bc65a17aec32c41fed63d94ae25d60dda81823ae2a2286093e0531175bc5", kill_on_drop: false }` [INFO] [stdout] 9ae5bc65a17aec32c41fed63d94ae25d60dda81823ae2a2286093e0531175bc5 [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" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0377069b46bc9fb78918d488676d3b20902679bcb7755254c01d0bdb3b3ccc98 [INFO] running `Command { std: "docker" "start" "-a" "0377069b46bc9fb78918d488676d3b20902679bcb7755254c01d0bdb3b3ccc98", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::any` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::any; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/main.rs:7:35 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::{BufRead, BufReader, Read}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `FileReader` is never constructed [INFO] [stderr] --> src/main.rs:43:8 [INFO] [stderr] | [INFO] [stderr] 43 | struct FileReader { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `read_line`, and `skip_n_lines` are never used [INFO] [stderr] --> src/main.rs:50:8 [INFO] [stderr] | [INFO] [stderr] 49 | impl FileReader { [INFO] [stderr] | --------------- associated items in this implementation [INFO] [stderr] 50 | fn new(mut reader: BufReader) -> Result { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 69 | fn read_line(&mut self, buf: &mut Vec) -> anyhow::Result { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 79 | fn skip_n_lines(&mut self, n: usize) -> anyhow::Result { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `line-rs` (bin "line-rs" test) generated 4 warnings (run `cargo fix --bin "line-rs" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/line_rs-4c734050543f83e2) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0377069b46bc9fb78918d488676d3b20902679bcb7755254c01d0bdb3b3ccc98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0377069b46bc9fb78918d488676d3b20902679bcb7755254c01d0bdb3b3ccc98", kill_on_drop: false }` [INFO] [stdout] 0377069b46bc9fb78918d488676d3b20902679bcb7755254c01d0bdb3b3ccc98