[INFO] fetching crate tosts 0.3.0...
[INFO] testing tosts-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tosts 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tosts 0.3.0
[INFO] finished tweaking crates.io crate tosts 0.3.0
[INFO] tweaked toml for crates.io crate tosts 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tosts 0.3.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tosts 0.3.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41037bd926f0fc4f25add3dcb059f89bc8a89f6646df8cb9a775fb765b762b44
[INFO] running `Command { std: "docker" "start" "-a" "41037bd926f0fc4f25add3dcb059f89bc8a89f6646df8cb9a775fb765b762b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41037bd926f0fc4f25add3dcb059f89bc8a89f6646df8cb9a775fb765b762b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41037bd926f0fc4f25add3dcb059f89bc8a89f6646df8cb9a775fb765b762b44", kill_on_drop: false }`
[INFO] [stdout] 41037bd926f0fc4f25add3dcb059f89bc8a89f6646df8cb9a775fb765b762b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baaa086be8b107295419bae1435b45e836b05b30ce5da6ebc2e8c93d3f7f0354
[INFO] running `Command { std: "docker" "start" "-a" "baaa086be8b107295419bae1435b45e836b05b30ce5da6ebc2e8c93d3f7f0354", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.13.0
[INFO] [stderr]    Compiling owo-colors v4.3.0
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling unit-prefix v0.5.2
[INFO] [stderr]    Compiling colored v3.1.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling console v0.16.2
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling indicatif v0.18.3
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling tosts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:2:94
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs::File, fs, io::Write, path::PathBuf, process::{Command, Stdio}, time::Duration, thread, io};
[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: `BufWriter`
[INFO] [stdout]  --> src/main.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, BufWriter, Read};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChildStderr`
[INFO] [stdout]  --> src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process::{ChildStderr, ChildStdout};
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProgressIterator`
[INFO] [stdout]  --> src/main.rs:8:45
[INFO] [stdout]   |
[INFO] [stdout] 8 | use indicatif::{ProgressStyle, ProgressBar, ProgressIterator};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, BufWriter, Read};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]    --> src/main.rs:257:21
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 let lines: Vec<&str> = ve.input.lines().collect();
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.34s
[INFO] running `Command { std: "docker" "inspect" "baaa086be8b107295419bae1435b45e836b05b30ce5da6ebc2e8c93d3f7f0354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baaa086be8b107295419bae1435b45e836b05b30ce5da6ebc2e8c93d3f7f0354", kill_on_drop: false }`
[INFO] [stdout] baaa086be8b107295419bae1435b45e836b05b30ce5da6ebc2e8c93d3f7f0354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9460ac71a3407b36dedfd17e187120e74b4de7e0597116677026571c327ce683
[INFO] running `Command { std: "docker" "start" "-a" "9460ac71a3407b36dedfd17e187120e74b4de7e0597116677026571c327ce683", kill_on_drop: false }`
[INFO] [stderr]    Compiling tosts v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:2:94
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs::File, fs, io::Write, path::PathBuf, process::{Command, Stdio}, time::Duration, thread, io};
[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: `BufWriter`
[INFO] [stdout]  --> src/main.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, BufWriter, Read};
[INFO] [stdout]   |                                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChildStderr`
[INFO] [stdout]  --> src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::process::{ChildStderr, ChildStdout};
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProgressIterator`
[INFO] [stdout]  --> src/main.rs:8:45
[INFO] [stdout]   |
[INFO] [stdout] 8 | use indicatif::{ProgressStyle, ProgressBar, ProgressIterator};
[INFO] [stdout]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, BufWriter, Read};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]    --> src/main.rs:257:21
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 let lines: Vec<&str> = ve.input.lines().collect();
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "9460ac71a3407b36dedfd17e187120e74b4de7e0597116677026571c327ce683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9460ac71a3407b36dedfd17e187120e74b4de7e0597116677026571c327ce683", kill_on_drop: false }`
[INFO] [stdout] 9460ac71a3407b36dedfd17e187120e74b4de7e0597116677026571c327ce683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f66aa2cfae52ca841c608f99d9d8571e4317c7c92da0bce2f24cc0615d820ff1
[INFO] running `Command { std: "docker" "start" "-a" "f66aa2cfae52ca841c608f99d9d8571e4317c7c92da0bce2f24cc0615d820ff1", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `thread`
[INFO] [stderr]  --> src/main.rs:2:94
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{fs::File, fs, io::Write, path::PathBuf, process::{Command, Stdio}, time::Duration, thread, io};
[INFO] [stderr]   |                                                                                              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufWriter`
[INFO] [stderr]  --> src/main.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufRead, BufReader, BufWriter, Read};
[INFO] [stderr]   |                                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ChildStderr`
[INFO] [stderr]  --> src/main.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::process::{ChildStderr, ChildStdout};
[INFO] [stderr]   |                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ProgressIterator`
[INFO] [stderr]  --> src/main.rs:8:45
[INFO] [stderr]   |
[INFO] [stderr] 8 | use indicatif::{ProgressStyle, ProgressBar, ProgressIterator};
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/main.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufRead, BufReader, BufWriter, Read};
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lines`
[INFO] [stderr]    --> src/main.rs:257:21
[INFO] [stderr]     |
[INFO] [stderr] 257 |                 let lines: Vec<&str> = ve.input.lines().collect();
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tosts` (bin "tosts" test) generated 6 warnings (run `cargo fix --bin "tosts" -p tosts --tests` to apply 5 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/tosts-36bab4943cb9ecfd)
[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" "f66aa2cfae52ca841c608f99d9d8571e4317c7c92da0bce2f24cc0615d820ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f66aa2cfae52ca841c608f99d9d8571e4317c7c92da0bce2f24cc0615d820ff1", kill_on_drop: false }`
[INFO] [stdout] f66aa2cfae52ca841c608f99d9d8571e4317c7c92da0bce2f24cc0615d820ff1
