[INFO] fetching crate sequent 0.3.0...
[INFO] testing sequent-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate sequent 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sequent 0.3.0
[INFO] finished tweaking crates.io crate sequent 0.3.0
[INFO] tweaked toml for crates.io crate sequent 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sequent 0.3.0 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 sequent 0.3.0 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa17bad2b823a8dd5744c2d35c447276254cf3bdff6e028bf33d233d108c25d9
[INFO] running `Command { std: "docker" "start" "-a" "fa17bad2b823a8dd5744c2d35c447276254cf3bdff6e028bf33d233d108c25d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa17bad2b823a8dd5744c2d35c447276254cf3bdff6e028bf33d233d108c25d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa17bad2b823a8dd5744c2d35c447276254cf3bdff6e028bf33d233d108c25d9", kill_on_drop: false }`
[INFO] [stdout] fa17bad2b823a8dd5744c2d35c447276254cf3bdff6e028bf33d233d108c25d9
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0a803aacb30b7cdfdd6c6e8bb7a1015f945c4115e1462263a566c312f6abe07
[INFO] running `Command { std: "docker" "start" "-a" "b0a803aacb30b7cdfdd6c6e8bb7a1015f945c4115e1462263a566c312f6abe07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.5
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling serde_yaml v0.9.16
[INFO] [stderr]    Compiling sequent v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.93s
[INFO] running `Command { std: "docker" "inspect" "b0a803aacb30b7cdfdd6c6e8bb7a1015f945c4115e1462263a566c312f6abe07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a803aacb30b7cdfdd6c6e8bb7a1015f945c4115e1462263a566c312f6abe07", kill_on_drop: false }`
[INFO] [stdout] b0a803aacb30b7cdfdd6c6e8bb7a1015f945c4115e1462263a566c312f6abe07
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91772b50eea516a32ac968f1264de70d78612165159e6e40658bba0073f6f808
[INFO] running `Command { std: "docker" "start" "-a" "91772b50eea516a32ac968f1264de70d78612165159e6e40658bba0073f6f808", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling tinyrand v0.5.0
[INFO] [stderr]    Compiling flanker-assert-str v0.5.0
[INFO] [stderr]    Compiling tinyrand-std v0.5.0
[INFO] [stderr]    Compiling thread-id v4.0.0
[INFO] [stderr]    Compiling flanker-temp v0.5.0
[INFO] [stderr]    Compiling sequent v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Faulty` is never constructed
[INFO] [stdout]    --> src/sim/tests.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | struct Faulty;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "91772b50eea516a32ac968f1264de70d78612165159e6e40658bba0073f6f808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91772b50eea516a32ac968f1264de70d78612165159e6e40658bba0073f6f808", kill_on_drop: false }`
[INFO] [stdout] 91772b50eea516a32ac968f1264de70d78612165159e6e40658bba0073f6f808
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75cfbece185952efd018f0b6528236e85aefd993b48ce5c94bd37bf4b28e96ef
[INFO] running `Command { std: "docker" "start" "-a" "75cfbece185952efd018f0b6528236e85aefd993b48ce5c94bd37bf4b28e96ef", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Faulty` is never constructed
[INFO] [stderr]    --> src/sim/tests.rs:184:8
[INFO] [stderr]     |
[INFO] [stderr] 184 | struct Faulty;
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sequent` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sequent-c6421b09a039a266)
[INFO] [stdout] 
[INFO] [stdout] running 43 tests
[INFO] [stdout] test event::tests::decoder ... ok
[INFO] [stdout] test event::tests::invalid_event_parser_spec_implements_display ... ok
[INFO] [stdout] test event::tests::queue_implements_debug ... ok
[INFO] [stdout] test event::tests::decoder_duplicate ... ok
[INFO] [stdout] test event::tests::queue_insert_later ... ok
[INFO] [stdout] test event::tests::parse_event_error_implements_display ... ok
[INFO] [stdout] test event::tests::queue_implements_deref ... ok
[INFO] [stdout] test event::tests::queue_past ... ok
[INFO] [stdout] test event::tests::queue_push_later ... ok
[INFO] [stdout] test persistence::tests::read_scenario_error_implements_display ... ok
[INFO] [stdout] test event::tests::queue_future ... ok
[INFO] [stdout] test event::tests::scenario_implements_debug ... ok
[INFO] [stdout] test persistence::tests::check_ext_fails ... ok
[INFO] [stdout] test persistence::tests::check_ext_passes ... ok
[INFO] [stdout] test persistence::tests::read_scenario_error_variants ... ok
[INFO] [stdout] test persistence::tests::unsupported_file_format_error_implements_display ... ok
[INFO] [stdout] test persistence::yaml::tests::carrier_implements_partial_eq ... ok
[INFO] [stdout] test persistence::tests::write_scenario_error_implements_display ... ok
[INFO] [stdout] test persistence::tests::write_scenario_error_variants ... ok
[INFO] [stdout] test persistence::yaml::tests::carrier_implements_debug ... ok
[INFO] [stdout] test persistence::yaml::tests::scenario_round_trip ... ok
[INFO] [stdout] test persistence::yaml::tests::str_loopback ... ok
[INFO] [stdout] test persistence::yaml::tests::to_string ... ok
[INFO] [stdout] test persistence::yaml::tests::write_then_read ... ok
[INFO] [stdout] test event::tests::queue_construct_offset_less_than_one - should panic ... ok
[INFO] [stdout] test event::tests::queue_construct_offset_exceeds_length - should panic ... ok
[INFO] [stdout] test sim::tests::default_simulation ... ok
[INFO] [stdout] test event::tests::queue_insert_later_bad_index - should panic ... ok
[INFO] [stdout] test sim::tests::error_variants ... ok
[INFO] [stdout] test sim::tests::insert_queue ... ok
[INFO] [stdout] test persistence::yaml::tests::read_from_file_invalid_format - should panic ... ok
[INFO] [stdout] test sim::tests::push_event ... ok
[INFO] [stdout] test sim::tests::jump ... ok
[INFO] [stdout] test sim::tests::run ... ok
[INFO] [stdout] test persistence::yaml::tests::read_from_file_invalid_content - should panic ... ok
[INFO] [stdout] test persistence::yaml::tests::read_from_file_misconfigured_decoder - should panic ... ok
[INFO] [stdout] test persistence::yaml::tests::read_from_file_nonexistent_file - should panic ... ok
[INFO] [stdout] test persistence::yaml::tests::write_to_file_invalid_format - should panic ... ok
[INFO] [stdout] test persistence::yaml::tests::write_to_file_nonexistent_directory - should panic ... ok
[INFO] [stdout] test sim::tests::set_scenario_triggers_reset ... ok
[INFO] [stdout] test sim::tests::simulation_implements_debug ... ok
[INFO] [stdout] test sim::tests::step_and_reset ... ok
[INFO] [stdout] test sim::tests::truncate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 43 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sequent
[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" "75cfbece185952efd018f0b6528236e85aefd993b48ce5c94bd37bf4b28e96ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cfbece185952efd018f0b6528236e85aefd993b48ce5c94bd37bf4b28e96ef", kill_on_drop: false }`
[INFO] [stdout] 75cfbece185952efd018f0b6528236e85aefd993b48ce5c94bd37bf4b28e96ef