[INFO] fetching crate ruskin 0.1.0...
[INFO] testing ruskin-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ruskin 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ruskin 0.1.0
[INFO] finished tweaking crates.io crate ruskin 0.1.0
[INFO] tweaked toml for crates.io crate ruskin 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruskin 0.1.0 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 ruskin 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d7a4905aa1b51d81f129b59283379af2e72b512300dff255e461b3768a53c801
[INFO] running `Command { std: "docker" "start" "-a" "d7a4905aa1b51d81f129b59283379af2e72b512300dff255e461b3768a53c801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7a4905aa1b51d81f129b59283379af2e72b512300dff255e461b3768a53c801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a4905aa1b51d81f129b59283379af2e72b512300dff255e461b3768a53c801", kill_on_drop: false }`
[INFO] [stdout] d7a4905aa1b51d81f129b59283379af2e72b512300dff255e461b3768a53c801
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dd8e27a3985437f401cc6344a3002f6901da18ec2064d260d39393ee6beac4e2
[INFO] running `Command { std: "docker" "start" "-a" "dd8e27a3985437f401cc6344a3002f6901da18ec2064d260d39393ee6beac4e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruskin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `RESET` is never used
[INFO] [stdout]  --> src/int.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const RESET: &str = "\x1b[0m";
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RED` is never used
[INFO] [stdout]  --> src/int.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const RED: &str = "\x1b[31m";
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GRAY` is never used
[INFO] [stdout]  --> src/int.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const GRAY: &str = "\x1b[90m";
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prompt_int32` is never used
[INFO] [stdout]  --> src/int.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn prompt_int32(prompt: &str) -> i32{
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "dd8e27a3985437f401cc6344a3002f6901da18ec2064d260d39393ee6beac4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8e27a3985437f401cc6344a3002f6901da18ec2064d260d39393ee6beac4e2", kill_on_drop: false }`
[INFO] [stdout] dd8e27a3985437f401cc6344a3002f6901da18ec2064d260d39393ee6beac4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 901d28c85b512f0e0c1b4e6172359563b91831febf4a239e5079cf578002ee2c
[INFO] running `Command { std: "docker" "start" "-a" "901d28c85b512f0e0c1b4e6172359563b91831febf4a239e5079cf578002ee2c", kill_on_drop: false }`
[INFO] [stdout] warning: constant `RESET` is never used
[INFO] [stdout]  --> src/int.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const RESET: &str = "\x1b[0m";
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RED` is never used
[INFO] [stdout]  --> src/int.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const RED: &str = "\x1b[31m";
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GRAY` is never used
[INFO] [stdout]  --> src/int.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const GRAY: &str = "\x1b[90m";
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prompt_int32` is never used
[INFO] [stdout]  --> src/int.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn prompt_int32(prompt: &str) -> i32{
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ruskin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `RESET` is never used
[INFO] [stdout]  --> src/int.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const RESET: &str = "\x1b[0m";
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RED` is never used
[INFO] [stdout]  --> src/int.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const RED: &str = "\x1b[31m";
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GRAY` is never used
[INFO] [stdout]  --> src/int.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const GRAY: &str = "\x1b[90m";
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prompt_int32` is never used
[INFO] [stdout]  --> src/int.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn prompt_int32(prompt: &str) -> i32{
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "901d28c85b512f0e0c1b4e6172359563b91831febf4a239e5079cf578002ee2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901d28c85b512f0e0c1b4e6172359563b91831febf4a239e5079cf578002ee2c", kill_on_drop: false }`
[INFO] [stdout] 901d28c85b512f0e0c1b4e6172359563b91831febf4a239e5079cf578002ee2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 52b103908b0c514d53296ca305ed9a642b1c4aa241f2c1309b2337f8a5cc738d
[INFO] running `Command { std: "docker" "start" "-a" "52b103908b0c514d53296ca305ed9a642b1c4aa241f2c1309b2337f8a5cc738d", kill_on_drop: false }`
[INFO] [stderr] warning: constant `RESET` is never used
[INFO] [stdout] 
[INFO] [stderr]  --> src/int.rs:2:7
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | const RESET: &str = "\x1b[0m";
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `RED` is never used
[INFO] [stderr]  --> src/int.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | const RED: &str = "\x1b[31m";
[INFO] [stderr]   |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `GRAY` is never used
[INFO] [stderr]  --> src/int.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const GRAY: &str = "\x1b[90m";
[INFO] [stderr]   |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `prompt_int32` is never used
[INFO] [stderr]  --> src/int.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn prompt_int32(prompt: &str) -> i32{
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ruskin` (lib) generated 4 warnings
[INFO] [stderr] warning: `ruskin` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ruskin-fc3db2ae9ab461f1)
[INFO] [stderr]    Doc-tests ruskin
[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" "52b103908b0c514d53296ca305ed9a642b1c4aa241f2c1309b2337f8a5cc738d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b103908b0c514d53296ca305ed9a642b1c4aa241f2c1309b2337f8a5cc738d", kill_on_drop: false }`
[INFO] [stdout] 52b103908b0c514d53296ca305ed9a642b1c4aa241f2c1309b2337f8a5cc738d
