[INFO] fetching crate kdam 0.6.4...
[INFO] testing kdam-0.6.4 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate kdam 0.6.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate kdam 0.6.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kdam 0.6.4
[INFO] tweaked toml for crates.io crate kdam 0.6.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kdam 0.6.4 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kdam 0.6.4 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-2026-01-20" "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-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50615f4fc5baef03ab02209507a13999cd49e095f5a766a51bcf82b7d26aa41e
[INFO] running `Command { std: "docker" "start" "-a" "50615f4fc5baef03ab02209507a13999cd49e095f5a766a51bcf82b7d26aa41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50615f4fc5baef03ab02209507a13999cd49e095f5a766a51bcf82b7d26aa41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50615f4fc5baef03ab02209507a13999cd49e095f5a766a51bcf82b7d26aa41e", kill_on_drop: false }`
[INFO] [stdout] 50615f4fc5baef03ab02209507a13999cd49e095f5a766a51bcf82b7d26aa41e
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a57abe23e8f9a17e62ad405d7930365aef657b48141b8ff19c7a8bee17ffc9e4
[INFO] running `Command { std: "docker" "start" "-a" "a57abe23e8f9a17e62ad405d7930365aef657b48141b8ff19c7a8bee17ffc9e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr]    Compiling kdam v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "a57abe23e8f9a17e62ad405d7930365aef657b48141b8ff19c7a8bee17ffc9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57abe23e8f9a17e62ad405d7930365aef657b48141b8ff19c7a8bee17ffc9e4", kill_on_drop: false }`
[INFO] [stdout] a57abe23e8f9a17e62ad405d7930365aef657b48141b8ff19c7a8bee17ffc9e4
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5307cc661110141aaf0bedcddb9f14cb8bdb991ca5fc22aec6e914e2a1c2af3f
[INFO] running `Command { std: "docker" "start" "-a" "5307cc661110141aaf0bedcddb9f14cb8bdb991ca5fc22aec6e914e2a1c2af3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling kdam v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "5307cc661110141aaf0bedcddb9f14cb8bdb991ca5fc22aec6e914e2a1c2af3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5307cc661110141aaf0bedcddb9f14cb8bdb991ca5fc22aec6e914e2a1c2af3f", kill_on_drop: false }`
[INFO] [stdout] 5307cc661110141aaf0bedcddb9f14cb8bdb991ca5fc22aec6e914e2a1c2af3f
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4f91187a00fe2f3f3cf6657bb614618344fbe0c3e2c06304276ecf13dd3ecc1
[INFO] running `Command { std: "docker" "start" "-a" "a4f91187a00fe2f3f3cf6657bb614618344fbe0c3e2c06304276ecf13dd3ecc1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kdam-b05ae177643b7762)
[INFO] [stderr]    Doc-tests kdam
[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 25 tests
[INFO] [stdout] test src/../DOCS.md - (line 213) ... ok
[INFO] [stdout] test src/../DOCS.md - (line 20) ... ok
[INFO] [stdout] test src/std/manager.rs - std::manager::RowManager (line 16) ... ok
[INFO] [stdout] test src/std/bar.rs - std::bar::tqdm (line 1070) ... ok
[INFO] [stdout] test src/std/manager.rs - std::manager::RowManager::from_window_size (line 64) ... ok
[INFO] [stdout] test src/../DOCS.md - (line 182) ... ok
[INFO] [stdout] test src/std/bar.rs - std::bar::Bar (line 34) ... ok
[INFO] [stdout] test src/std/monitor.rs - std::monitor::bar (line 45) - compile ... ok
[INFO] [stdout] test src/term/colours.rs - term::colours::Colorizer::colorize (line 248) ... ok
[INFO] [stdout] test src/std/styles.rs - std::styles::Animation::custom (line 41) ... ok
[INFO] [stdout] test src/std/iterator.rs - std::iterator::TqdmIterator::tqdm (line 281) ... ok
[INFO] [stdout] test src/term/colours.rs - term::colours::colour (line 100) ... ok
[INFO] [stdout] test src/term/writer.rs - term::writer::InitializedOutput::print_at (line 105) ... ok
[INFO] [stdout] test src/std/monitor.rs - std::monitor (line 9) ... ok
[INFO] [stdout] test src/term/colours.rs - term::colours::init (line 46) ... ok
[INFO] [stdout] test src/std/manager.rs - std::manager::RowManager::new (line 45) ... ok
[INFO] [stdout] test src/std/bar.rs - std::bar::Bar::builder (line 151) ... ok
[INFO] [stdout] test src/../DOCS.md - (line 38) ... ok
[INFO] [stdout] test src/std/bar.rs - std::bar::BarBuilder (line 761) ... ok
[INFO] [stdout] test src/std/bar.rs - std::bar::Bar::new (line 135) ... ok
[INFO] [stdout] test src/std/extension.rs - std::extension::BarExt::write_to (line 56) ... FAILED
[INFO] [stdout] test src/../DOCS.md - (line 112) ... ok
[INFO] [stdout] test src/../DOCS.md - (line 56) ... ok
[INFO] [stdout] test src/../DOCS.md - (line 147) ... ok
[INFO] [stdout] test src/../DOCS.md - (line 84) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/std/extension.rs - std::extension::BarExt::write_to (line 56) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (95) panicked at /tmp/rustdoctestRJepWp/doctest_bundle_2024.rs:232:43:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c06975106a2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c06975106a2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c06975106a2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5c06975106a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5c0697521eba - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5c0697521eba - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5c06974de0b6 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c06974de0b6 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5c06974eeeb9 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5c06974eeeb9 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5c06974eed19 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5c06974ef0fb - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5c06974eef78 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x5c06974ea369 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5c06974d29dd - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5c069752959c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5c0697528b62 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x5c0697466583 - doctest_bundle_2024::__doctest_13::main::hf62e7eecb9e08ad0
[INFO] [stdout]   18:     0x5c0697466736 - doctest_bundle_2024::__doctest_13::__main_fn::h52aaf092a6b90c9d
[INFO] [stdout]   19:     0x5c069745ec51 - doctest_runner_2024[693732edf23c8221]::__doctest_13::TEST::{closure#0}
[INFO] [stdout]   20:     0x5c0697463706 - <doctest_runner_2024[693732edf23c8221]::__doctest_13::TEST::{closure#0} as core[8f63ddeb68e21f74]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   21:     0x5c069745fc4c - doctest_runner_2024[693732edf23c8221]::main
[INFO] [stdout]   22:     0x5c0697463323 - <fn() -> std[a6ffc322ab77e72b]::process::ExitCode as core[8f63ddeb68e21f74]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   23:     0x5c069745def6 - std[a6ffc322ab77e72b]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> std[a6ffc322ab77e72b]::process::ExitCode, std[a6ffc322ab77e72b]::process::ExitCode>
[INFO] [stdout]   24:     0x5c069745e3f9 - std[a6ffc322ab77e72b]::rt::lang_start::<std[a6ffc322ab77e72b]::process::ExitCode>::{closure#0}
[INFO] [stdout]   25:     0x5c06974dfde6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd1cc8864ab2ce613
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   26:     0x5c06974dfde6 - std::panicking::catch_unwind::do_call::h761b8a8d54647a61
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x5c06974dfde6 - std::panicking::catch_unwind::hb78a0edcad597ebc
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5c06974dfde6 - std::panic::catch_unwind::hf40177800cac754b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5c06974dfde6 - std::rt::lang_start_internal::{{closure}}::ha1b3ca2f45db2265
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stdout]   30:     0x5c06974dfde6 - std::panicking::catch_unwind::do_call::hca68f60e509d57f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x5c06974dfde6 - std::panicking::catch_unwind::h75a65b4419799b0f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x5c06974dfde6 - std::panic::catch_unwind::h56fc4c7ccdf741b6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x5c06974dfde6 - std::rt::lang_start_internal::h267ec6e0203f10ab
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stdout]   34:     0x5c069745dda1 - std[a6ffc322ab77e72b]::rt::lang_start::<std[a6ffc322ab77e72b]::process::ExitCode>
[INFO] [stdout]   35:     0x5c0697463ac5 - main
[INFO] [stdout]   36:     0x721880e5f1ca - <unknown>
[INFO] [stdout]   37:     0x721880e5f28b - __libc_start_main
[INFO] [stdout]   38:     0x5c069745c0c5 - _start
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/std/extension.rs - std::extension::BarExt::write_to (line 56)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 24 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 5.68s; merged doctests compilation took 0.65s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a4f91187a00fe2f3f3cf6657bb614618344fbe0c3e2c06304276ecf13dd3ecc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f91187a00fe2f3f3cf6657bb614618344fbe0c3e2c06304276ecf13dd3ecc1", kill_on_drop: false }`
[INFO] [stdout] a4f91187a00fe2f3f3cf6657bb614618344fbe0c3e2c06304276ecf13dd3ecc1
