[INFO] fetching crate utwt 0.4.1... [INFO] testing utwt-0.4.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate utwt 0.4.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate utwt 0.4.1 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate utwt 0.4.1 [INFO] tweaked toml for crates.io crate utwt 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate utwt 0.4.1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate utwt 0.4.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5453b43d0d0e02f2b741875dd03d8f6a9d7ae13b2cc07eb57070ac73fbf7d3a6 [INFO] running `Command { std: "docker" "start" "-a" "5453b43d0d0e02f2b741875dd03d8f6a9d7ae13b2cc07eb57070ac73fbf7d3a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5453b43d0d0e02f2b741875dd03d8f6a9d7ae13b2cc07eb57070ac73fbf7d3a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5453b43d0d0e02f2b741875dd03d8f6a9d7ae13b2cc07eb57070ac73fbf7d3a6", kill_on_drop: false }` [INFO] [stdout] 5453b43d0d0e02f2b741875dd03d8f6a9d7ae13b2cc07eb57070ac73fbf7d3a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] edba7ebb30b7fa2b16c4d43a809d28a241c5e3c61f265d4db27c26624bd24e7d [INFO] running `Command { std: "docker" "start" "-a" "edba7ebb30b7fa2b16c4d43a809d28a241c5e3c61f265d4db27c26624bd24e7d", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling utwt-raw v0.4.0 [INFO] [stderr] Compiling utwt v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.91s [INFO] running `Command { std: "docker" "inspect" "edba7ebb30b7fa2b16c4d43a809d28a241c5e3c61f265d4db27c26624bd24e7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edba7ebb30b7fa2b16c4d43a809d28a241c5e3c61f265d4db27c26624bd24e7d", kill_on_drop: false }` [INFO] [stdout] edba7ebb30b7fa2b16c4d43a809d28a241c5e3c61f265d4db27c26624bd24e7d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 11de0d3e4e03f84b99da94d21a331de6d334047773a452d8085c877df80c3609 [INFO] running `Command { std: "docker" "start" "-a" "11de0d3e4e03f84b99da94d21a331de6d334047773a452d8085c877df80c3609", kill_on_drop: false }` [INFO] [stderr] Compiling utwt v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `Command { std: "docker" "inspect" "11de0d3e4e03f84b99da94d21a331de6d334047773a452d8085c877df80c3609", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11de0d3e4e03f84b99da94d21a331de6d334047773a452d8085c877df80c3609", kill_on_drop: false }` [INFO] [stdout] 11de0d3e4e03f84b99da94d21a331de6d334047773a452d8085c877df80c3609 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 67914ae96cb10b96291a83bd89671534f6f459fdd6aa3d3ab8900720613e34ff [INFO] running `Command { std: "docker" "start" "-a" "67914ae96cb10b96291a83bd89671534f6f459fdd6aa3d3ab8900720613e34ff", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utwt-627186807e90b0ae) [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 tests/basic.rs (/opt/rustwide/target/debug/deps/basic-b296be9be37b5b77) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test parse_basic32 ... ok [INFO] [stdout] test parse_empty ... ok [INFO] [stdout] test parse_basic64 ... ok [INFO] [stdout] test parse_with_partial_read ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests utwt [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 7) ... FAILED [INFO] [stdout] test src/parse.rs - parse::UtmpParser (line 37) ... FAILED [INFO] [stdout] test src/lib.rs - (line 18) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 7) stdout ---- [INFO] [stdout] Test executable failed (exit status: 1). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] Error: No such file or directory (os error 2) [INFO] [stdout] [INFO] [stdout] Stack backtrace: [INFO] [stdout] 0: anyhow::error:: for anyhow::Error>::from [INFO] [stdout] 1: as core::ops::try_trait::FromResidual>>::from_residual [INFO] [stdout] 2: rust_out::main [INFO] [stdout] 3: core::ops::function::FnOnce::call_once [INFO] [stdout] 4: std::sys::backtrace::__rust_begin_short_backtrace [INFO] [stdout] 5: std::rt::lang_start::{{closure}} [INFO] [stdout] 6: core::ops::function::impls:: for &F>::call_once [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 7: std::panicking::catch_unwind::do_call [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 8: std::panicking::catch_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 9: std::panic::catch_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 10: std::rt::lang_start_internal::{{closure}} [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24 [INFO] [stdout] 11: std::panicking::catch_unwind::do_call [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 12: std::panicking::catch_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 13: std::panic::catch_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 14: std::rt::lang_start_internal [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5 [INFO] [stdout] 15: std::rt::lang_start [INFO] [stdout] 16: main [INFO] [stdout] 17: [INFO] [stdout] 18: __libc_start_main [INFO] [stdout] 19: _start [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/parse.rs - parse::UtmpParser (line 37) stdout ---- [INFO] [stdout] Test executable failed (exit status: 1). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" } [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 18) stdout ---- [INFO] [stdout] Test executable failed (exit status: 1). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] Error: No such file or directory (os error 2) [INFO] [stdout] [INFO] [stdout] Stack backtrace: [INFO] [stdout] 0: anyhow::error:: for anyhow::Error>::from [INFO] [stdout] 1: as core::ops::try_trait::FromResidual>>::from_residual [INFO] [stdout] 2: rust_out::main [INFO] [stdout] 3: core::ops::function::FnOnce::call_once [INFO] [stdout] 4: std::sys::backtrace::__rust_begin_short_backtrace [INFO] [stdout] 5: std::rt::lang_start::{{closure}} [INFO] [stdout] 6: core::ops::function::impls:: for &F>::call_once [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 7: std::panicking::catch_unwind::do_call [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 8: std::panicking::catch_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 9: std::panic::catch_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 10: std::rt::lang_start_internal::{{closure}} [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24 [INFO] [stdout] 11: std::panicking::catch_unwind::do_call [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stdout] 12: std::panicking::catch_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stdout] 13: std::panic::catch_unwind [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stdout] 14: std::rt::lang_start_internal [INFO] [stdout] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5 [INFO] [stdout] 15: std::rt::lang_start [INFO] [stdout] 16: main [INFO] [stdout] 17: [INFO] [stdout] 18: __libc_start_main [INFO] [stdout] 19: _start [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 18) [INFO] [stdout] src/lib.rs - (line 7) [INFO] [stdout] src/parse.rs - parse::UtmpParser (line 37) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "67914ae96cb10b96291a83bd89671534f6f459fdd6aa3d3ab8900720613e34ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67914ae96cb10b96291a83bd89671534f6f459fdd6aa3d3ab8900720613e34ff", kill_on_drop: false }` [INFO] [stdout] 67914ae96cb10b96291a83bd89671534f6f459fdd6aa3d3ab8900720613e34ff