[INFO] fetching crate tuimux 0.1.1...
[INFO] testing tuimux-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tuimux 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tuimux 0.1.1
[INFO] finished tweaking crates.io crate tuimux 0.1.1
[INFO] tweaked toml for crates.io crate tuimux 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tuimux 0.1.1 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 tuimux 0.1.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 67473846e38e0ce910a4d66f8926639afa2b08e8c04242b0b2f7f74f3487f6ac
[INFO] running `Command { std: "docker" "start" "-a" "67473846e38e0ce910a4d66f8926639afa2b08e8c04242b0b2f7f74f3487f6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67473846e38e0ce910a4d66f8926639afa2b08e8c04242b0b2f7f74f3487f6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67473846e38e0ce910a4d66f8926639afa2b08e8c04242b0b2f7f74f3487f6ac", kill_on_drop: false }`
[INFO] [stdout] 67473846e38e0ce910a4d66f8926639afa2b08e8c04242b0b2f7f74f3487f6ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5aec7decbfe19dd9cb5a5a5a946c4fdd1969fd6df7054242e513477e10781bc5
[INFO] running `Command { std: "docker" "start" "-a" "5aec7decbfe19dd9cb5a5a5a946c4fdd1969fd6df7054242e513477e10781bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling instability v0.3.12
[INFO] [stderr]    Compiling ratatui v0.29.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tuimux v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.18s
[INFO] running `Command { std: "docker" "inspect" "5aec7decbfe19dd9cb5a5a5a946c4fdd1969fd6df7054242e513477e10781bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aec7decbfe19dd9cb5a5a5a946c4fdd1969fd6df7054242e513477e10781bc5", kill_on_drop: false }`
[INFO] [stdout] 5aec7decbfe19dd9cb5a5a5a946c4fdd1969fd6df7054242e513477e10781bc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f0e67ab03d4bda03ff24293ed04492a849f76ebd679a94ce8a462a32f9ec6fc2
[INFO] running `Command { std: "docker" "start" "-a" "f0e67ab03d4bda03ff24293ed04492a849f76ebd679a94ce8a462a32f9ec6fc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuimux v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "f0e67ab03d4bda03ff24293ed04492a849f76ebd679a94ce8a462a32f9ec6fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e67ab03d4bda03ff24293ed04492a849f76ebd679a94ce8a462a32f9ec6fc2", kill_on_drop: false }`
[INFO] [stdout] f0e67ab03d4bda03ff24293ed04492a849f76ebd679a94ce8a462a32f9ec6fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 071f7ec6086a9203f79149d3be9654326f1001750345f4609c2aad019d9bb26c
[INFO] running `Command { std: "docker" "start" "-a" "071f7ec6086a9203f79149d3be9654326f1001750345f4609c2aad019d9bb26c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tuimux-237234fbb2f41faa)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tuimux-85a874bcf4fe476b)
[INFO] [stderr]    Doc-tests tuimux
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/tmux/session.rs - tmux::session::Pane::get_preview (line 52) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/tmux/session.rs - tmux::session::Pane::get_preview (line 52) stdout ----
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Pane` in this scope
[INFO] [stdout]   --> src/tmux/session.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | let pane = Pane {
[INFO] [stdout]    |            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/tmux/session.rs - tmux::session::Pane::get_preview (line 52)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.25s; merged doctests compilation took 0.17s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "071f7ec6086a9203f79149d3be9654326f1001750345f4609c2aad019d9bb26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071f7ec6086a9203f79149d3be9654326f1001750345f4609c2aad019d9bb26c", kill_on_drop: false }`
[INFO] [stdout] 071f7ec6086a9203f79149d3be9654326f1001750345f4609c2aad019d9bb26c
