[INFO] fetching crate viuwa 0.0.50...
[INFO] testing viuwa-0.0.50 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate viuwa 0.0.50 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate viuwa 0.0.50
[INFO] finished tweaking crates.io crate viuwa 0.0.50
[INFO] tweaked toml for crates.io crate viuwa 0.0.50 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate viuwa 0.0.50 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 viuwa 0.0.50 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c32b2212d4294bf0c37a1489bad79274c2ef0ebc2fe736245ef0c32d9edf699
[INFO] running `Command { std: "docker" "start" "-a" "2c32b2212d4294bf0c37a1489bad79274c2ef0ebc2fe736245ef0c32d9edf699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c32b2212d4294bf0c37a1489bad79274c2ef0ebc2fe736245ef0c32d9edf699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c32b2212d4294bf0c37a1489bad79274c2ef0ebc2fe736245ef0c32d9edf699", kill_on_drop: false }`
[INFO] [stdout] 2c32b2212d4294bf0c37a1489bad79274c2ef0ebc2fe736245ef0c32d9edf699
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6c3c288e46542af5e9719e2fd56af866dd8fe3a8c0369218f812468f46342c2
[INFO] running `Command { std: "docker" "start" "-a" "c6c3c288e46542af5e9719e2fd56af866dd8fe3a8c0369218f812468f46342c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling half v2.1.0
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling png v0.17.6
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bytemuck v1.12.1
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling jpeg-decoder v0.2.6
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tiff v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling clap_derive v4.0.18
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling exr v1.5.2
[INFO] [stderr]    Compiling clap v4.0.18
[INFO] [stderr]    Compiling image v0.24.4
[INFO] [stderr]    Compiling viuwa v0.0.50 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/viuwa/ansi.rs:387:17
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn rows(&self) -> AnsiRows { AnsiRows { buf: self, row: 0 } }
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn rows(&self) -> AnsiRows<'_> { AnsiRows { buf: self, row: 0 } }
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/viuwa/ansi.rs:389:17
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn rows_mut(&mut self) -> AnsiRowsMut { AnsiRowsMut::new(self) }
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn rows_mut(&mut self) -> AnsiRowsMut<'_> { AnsiRowsMut::new(self) }
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "c6c3c288e46542af5e9719e2fd56af866dd8fe3a8c0369218f812468f46342c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c3c288e46542af5e9719e2fd56af866dd8fe3a8c0369218f812468f46342c2", kill_on_drop: false }`
[INFO] [stdout] c6c3c288e46542af5e9719e2fd56af866dd8fe3a8c0369218f812468f46342c2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f46595ede0ab92f17a7ed82acffaeff6194b522fb06798f610018a86a73b9fb
[INFO] running `Command { std: "docker" "start" "-a" "2f46595ede0ab92f17a7ed82acffaeff6194b522fb06798f610018a86a73b9fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling viuwa v0.0.50 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/viuwa/ansi.rs:387:17
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn rows(&self) -> AnsiRows { AnsiRows { buf: self, row: 0 } }
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 387 |     pub fn rows(&self) -> AnsiRows<'_> { AnsiRows { buf: self, row: 0 } }
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/viuwa/ansi.rs:389:17
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn rows_mut(&mut self) -> AnsiRowsMut { AnsiRowsMut::new(self) }
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn rows_mut(&mut self) -> AnsiRowsMut<'_> { AnsiRowsMut::new(self) }
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "2f46595ede0ab92f17a7ed82acffaeff6194b522fb06798f610018a86a73b9fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f46595ede0ab92f17a7ed82acffaeff6194b522fb06798f610018a86a73b9fb", kill_on_drop: false }`
[INFO] [stdout] 2f46595ede0ab92f17a7ed82acffaeff6194b522fb06798f610018a86a73b9fb
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e6f1f10ff882a07e019be6fe73cdd91877a095d807774688a431028e9cbad42
[INFO] running `Command { std: "docker" "start" "-a" "5e6f1f10ff882a07e019be6fe73cdd91877a095d807774688a431028e9cbad42", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/viuwa/ansi.rs:387:17
[INFO] [stderr]     |
[INFO] [stderr] 387 |     pub fn rows(&self) -> AnsiRows { AnsiRows { buf: self, row: 0 } }
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 387 |     pub fn rows(&self) -> AnsiRows<'_> { AnsiRows { buf: self, row: 0 } }
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/viuwa/ansi.rs:389:17
[INFO] [stderr]     |
[INFO] [stderr] 389 |     fn rows_mut(&mut self) -> AnsiRowsMut { AnsiRowsMut::new(self) }
[INFO] [stderr]     |                 ^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 389 |     fn rows_mut(&mut self) -> AnsiRowsMut<'_> { AnsiRowsMut::new(self) }
[INFO] [stderr]     |                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `viuwa` (bin "viuwa" test) generated 2 warnings (run `cargo fix --bin "viuwa" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/viuwa-fbb26aabcca6235a)
[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" "5e6f1f10ff882a07e019be6fe73cdd91877a095d807774688a431028e9cbad42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6f1f10ff882a07e019be6fe73cdd91877a095d807774688a431028e9cbad42", kill_on_drop: false }`
[INFO] [stdout] 5e6f1f10ff882a07e019be6fe73cdd91877a095d807774688a431028e9cbad42