[INFO] fetching crate rliron 0.0.6...
[INFO] testing rliron-0.0.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rliron 0.0.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rliron 0.0.6
[INFO] finished tweaking crates.io crate rliron 0.0.6
[INFO] tweaked toml for crates.io crate rliron 0.0.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rliron 0.0.6 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6e95d75d05e9d356de03b427ae6b1f7185649f620503ee1ec9c13e46bf341878
[INFO] running `Command { std: "docker" "start" "-a" "6e95d75d05e9d356de03b427ae6b1f7185649f620503ee1ec9c13e46bf341878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e95d75d05e9d356de03b427ae6b1f7185649f620503ee1ec9c13e46bf341878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e95d75d05e9d356de03b427ae6b1f7185649f620503ee1ec9c13e46bf341878", kill_on_drop: false }`
[INFO] [stdout] 6e95d75d05e9d356de03b427ae6b1f7185649f620503ee1ec9c13e46bf341878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 190a82082c30c964a0aa0b9fd6d2674a5e8948c904f16c1d5d709c318934cade
[INFO] running `Command { std: "docker" "start" "-a" "190a82082c30c964a0aa0b9fd6d2674a5e8948c904f16c1d5d709c318934cade", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rliron v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/curses.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern {
[INFO] [stdout]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/console.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type Con = Box<Console>;
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type Con = Box<dyn Console>;
[INFO] [stdout]   |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `echo` and `cursor` are never read
[INFO] [stdout]   --> src/curses.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct CursesConsole {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 30 |     echo: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     cursor: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CursesConsole` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "190a82082c30c964a0aa0b9fd6d2674a5e8948c904f16c1d5d709c318934cade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190a82082c30c964a0aa0b9fd6d2674a5e8948c904f16c1d5d709c318934cade", kill_on_drop: false }`
[INFO] [stdout] 190a82082c30c964a0aa0b9fd6d2674a5e8948c904f16c1d5d709c318934cade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5dca3df24c68cb8f88f689d516da40a9e62fe20448b9e4018aa3517aa8a0cab7
[INFO] running `Command { std: "docker" "start" "-a" "5dca3df24c68cb8f88f689d516da40a9e62fe20448b9e4018aa3517aa8a0cab7", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/curses.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern {
[INFO] [stdout]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/console.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type Con = Box<Console>;
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type Con = Box<dyn Console>;
[INFO] [stdout]   |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `echo` and `cursor` are never read
[INFO] [stdout]   --> src/curses.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct CursesConsole {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 30 |     echo: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     cursor: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CursesConsole` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rliron v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]  --> src/curses.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern {
[INFO] [stdout]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/console.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type Con = Box<Console>;
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub type Con = Box<dyn Console>;
[INFO] [stdout]   |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `echo` and `cursor` are never read
[INFO] [stdout]   --> src/curses.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct CursesConsole {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 30 |     echo: bool,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     cursor: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CursesConsole` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "5dca3df24c68cb8f88f689d516da40a9e62fe20448b9e4018aa3517aa8a0cab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dca3df24c68cb8f88f689d516da40a9e62fe20448b9e4018aa3517aa8a0cab7", kill_on_drop: false }`
[INFO] [stdout] 5dca3df24c68cb8f88f689d516da40a9e62fe20448b9e4018aa3517aa8a0cab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 90875878001d124ad277125d0db171903533e520c18f86d2dbac950ddef3ec6a
[INFO] running `Command { std: "docker" "start" "-a" "90875878001d124ad277125d0db171903533e520c18f86d2dbac950ddef3ec6a", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]  --> src/curses.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern {
[INFO] [stderr]   | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(missing_abi)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/console.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub type Con = Box<Console>;
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub type Con = Box<dyn Console>;
[INFO] [stderr]   |                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: fields `echo` and `cursor` are never read
[INFO] [stderr]   --> src/curses.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct CursesConsole {
[INFO] [stderr]    |            ------------- fields in this struct
[INFO] [stderr] 30 |     echo: bool,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 31 |     cursor: bool,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CursesConsole` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rliron` (lib) generated 3 warnings (run `cargo fix --lib -p rliron` to apply 2 suggestions)
[INFO] [stderr] warning: `rliron` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rliron-4a026f3d53181c87)
[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] [stderr]    Doc-tests rliron
[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" "90875878001d124ad277125d0db171903533e520c18f86d2dbac950ddef3ec6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90875878001d124ad277125d0db171903533e520c18f86d2dbac950ddef3ec6a", kill_on_drop: false }`
[INFO] [stdout] 90875878001d124ad277125d0db171903533e520c18f86d2dbac950ddef3ec6a
