[INFO] cloning repository https://github.com/Mainzu/rust-circular-buffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mainzu/rust-circular-buffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainzu%2Frust-circular-buffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainzu%2Frust-circular-buffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 824051dd75fcbbc2c2302a879774e90ccd267873
[INFO] testing Mainzu/rust-circular-buffer against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMainzu%2Frust-circular-buffer" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Mainzu/rust-circular-buffer
[INFO] finished tweaking git repo https://github.com/Mainzu/rust-circular-buffer
[INFO] tweaked toml for git repo https://github.com/Mainzu/rust-circular-buffer written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mainzu/rust-circular-buffer 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 git repo https://github.com/Mainzu/rust-circular-buffer 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] 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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 446d22996965513458334fd0d1f85e4b9b41b3a36fef7cd05ade399c2630b255
[INFO] running `Command { std: "docker" "start" "-a" "446d22996965513458334fd0d1f85e4b9b41b3a36fef7cd05ade399c2630b255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446d22996965513458334fd0d1f85e4b9b41b3a36fef7cd05ade399c2630b255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446d22996965513458334fd0d1f85e4b9b41b3a36fef7cd05ade399c2630b255", kill_on_drop: false }`
[INFO] [stdout] 446d22996965513458334fd0d1f85e4b9b41b3a36fef7cd05ade399c2630b255
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 459033f361dbb25ce4a5b209c2a118312768b3f294b36ea246d678df644d2db0
[INFO] running `Command { std: "docker" "start" "-a" "459033f361dbb25ce4a5b209c2a118312768b3f294b36ea246d678df644d2db0", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "459033f361dbb25ce4a5b209c2a118312768b3f294b36ea246d678df644d2db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459033f361dbb25ce4a5b209c2a118312768b3f294b36ea246d678df644d2db0", kill_on_drop: false }`
[INFO] [stdout] 459033f361dbb25ce4a5b209c2a118312768b3f294b36ea246d678df644d2db0
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94d08aa61c1f76b88012fb53b6c895596b070d080e35308e0753b03f3d114e39
[INFO] running `Command { std: "docker" "start" "-a" "94d08aa61c1f76b88012fb53b6c895596b070d080e35308e0753b03f3d114e39", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "94d08aa61c1f76b88012fb53b6c895596b070d080e35308e0753b03f3d114e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d08aa61c1f76b88012fb53b6c895596b070d080e35308e0753b03f3d114e39", kill_on_drop: false }`
[INFO] [stdout] 94d08aa61c1f76b88012fb53b6c895596b070d080e35308e0753b03f3d114e39
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 256d4097748e9984f02583f5713d218b88bd8795a522f2ac295a3dba4c964acd
[INFO] running `Command { std: "docker" "start" "-a" "256d4097748e9984f02583f5713d218b88bd8795a522f2ac295a3dba4c964acd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/circular_buffer-49b0b201f5c34638)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::test_dequeue ... ok
[INFO] [stdout] test tests::test_enqueue ... ok
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_get_index ... ok
[INFO] [stdout] test tests::test_front_back ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_indexing ... ok
[INFO] [stdout] test tests::test_iteration ... ok
[INFO] [stdout] test tests::test_wrapped_buffer ... ok
[INFO] [stdout] test tests::test_index_out_of_bounds - should panic ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests circular_buffer
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::is_empty (line 111) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::len (line 95) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer (line 16) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::is_full (line 127) ... FAILED
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::new (line 63) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::capacity (line 81) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::try_enqueue (line 174) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::enqueue (line 146) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::clear (line 310) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::first (line 222) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::last (line 265) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::dequeue (line 197) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::last_mut (line 286) ... ok
[INFO] [stdout] test src/lib.rs - CircularBuffer<T,N>::first_mut (line 242) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - CircularBuffer<T,N>::is_full (line 127) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (338) panicked at src/lib.rs:11:1:
[INFO] [stdout] assertion failed: buffer.is_full()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a6c3124d372 - 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:     0x5a6c3124d372 - 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:     0x5a6c3124d372 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a6c3124d372 - <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:     0x5a6c3125bffa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a6c3125bffa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5a6c3122cbc6 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a6c3122cbc6 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a6c31233216 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a6c31233216 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a6c31233076 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x5a6c3123345b - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x5a6c3123330a - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stdout]   13:     0x5a6c31231a49 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x5a6c31221c9d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x5a6c3125ebec - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5a6c3125ebb2 - core::panicking::panic::h6519d2e94a76dd19
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:150:5
[INFO] [stdout]   17:     0x5a6c31221942 - rust_out::main::_doctest_main_src_lib_rs_127_0::hc9b6eaa3c64c5bfa
[INFO] [stdout]   18:     0x5a6c31221876 - rust_out::main::hfd6f621749dac69f
[INFO] [stdout]   19:     0x5a6c31221833 - core::ops::function::FnOnce::call_once::hb1397b18da3aaedb
[INFO] [stdout]   20:     0x5a6c312217d6 - std::sys::backtrace::__rust_begin_short_backtrace::h8c9a816bbcffd5a8
[INFO] [stdout]   21:     0x5a6c312217b9 - std::rt::lang_start::{{closure}}::he61f35d05d768b48
[INFO] [stdout]   22:     0x5a6c3122daf6 - 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]   23:     0x5a6c3122daf6 - std::panicking::catch_unwind::do_call::h761b8a8d54647a61
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x5a6c3122daf6 - std::panicking::catch_unwind::hb78a0edcad597ebc
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x5a6c3122daf6 - std::panic::catch_unwind::hf40177800cac754b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5a6c3122daf6 - std::rt::lang_start_internal::{{closure}}::ha1b3ca2f45db2265
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5a6c3122daf6 - std::panicking::catch_unwind::do_call::hca68f60e509d57f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5a6c3122daf6 - std::panicking::catch_unwind::h75a65b4419799b0f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5a6c3122daf6 - std::panic::catch_unwind::h56fc4c7ccdf741b6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5a6c3122daf6 - std::rt::lang_start_internal::h267ec6e0203f10ab
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5a6c312217a1 - std::rt::lang_start::h9890a617c1815e16
[INFO] [stdout]   32:     0x5a6c31221985 - main
[INFO] [stdout]   33:     0x70df883d31ca - <unknown>
[INFO] [stdout]   34:     0x70df883d328b - __libc_start_main
[INFO] [stdout]   35:     0x5a6c312212e5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - CircularBuffer<T,N>::is_full (line 127)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 13 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "256d4097748e9984f02583f5713d218b88bd8795a522f2ac295a3dba4c964acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256d4097748e9984f02583f5713d218b88bd8795a522f2ac295a3dba4c964acd", kill_on_drop: false }`
[INFO] [stdout] 256d4097748e9984f02583f5713d218b88bd8795a522f2ac295a3dba4c964acd
