[INFO] fetching crate rxe 0.1.0...
[INFO] testing rxe-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rxe 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rxe 0.1.0
[INFO] finished tweaking crates.io crate rxe 0.1.0
[INFO] tweaked toml for crates.io crate rxe 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rxe 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rxe 0.1.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1a3daf0d1d656868d9aadd3430bc03b8aa9d94a66e0ad27251a0f4556be870d
[INFO] running `Command { std: "docker" "start" "-a" "d1a3daf0d1d656868d9aadd3430bc03b8aa9d94a66e0ad27251a0f4556be870d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1a3daf0d1d656868d9aadd3430bc03b8aa9d94a66e0ad27251a0f4556be870d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a3daf0d1d656868d9aadd3430bc03b8aa9d94a66e0ad27251a0f4556be870d", kill_on_drop: false }`
[INFO] [stdout] d1a3daf0d1d656868d9aadd3430bc03b8aa9d94a66e0ad27251a0f4556be870d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c67f6ecebfbe6713adc8e95b650a61e806cd100a38c8ff18c85e4773cea5ad7
[INFO] running `Command { std: "docker" "start" "-a" "5c67f6ecebfbe6713adc8e95b650a61e806cd100a38c8ff18c85e4773cea5ad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling once_cell v1.11.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling serde_yaml v0.8.24
[INFO] [stderr]    Compiling rxe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.73s
[INFO] running `Command { std: "docker" "inspect" "5c67f6ecebfbe6713adc8e95b650a61e806cd100a38c8ff18c85e4773cea5ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c67f6ecebfbe6713adc8e95b650a61e806cd100a38c8ff18c85e4773cea5ad7", kill_on_drop: false }`
[INFO] [stdout] 5c67f6ecebfbe6713adc8e95b650a61e806cd100a38c8ff18c85e4773cea5ad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 254987eff10808a4faa725131a16c695678e0419909fa7310d20d2b95fb4e5f1
[INFO] running `Command { std: "docker" "start" "-a" "254987eff10808a4faa725131a16c695678e0419909fa7310d20d2b95fb4e5f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rxe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `helper::identify::Identify`
[INFO] [stdout]   --> src/constraints/text.rs:23:84
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use crate::{constraints::{Constraint, ValueParseError}, domain::ArgumentValue, helper::identify::Identify};
[INFO] [stdout]    |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `helper::identify::Identify`
[INFO] [stdout]   --> src/constraints/flag.rs:46:84
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use crate::{constraints::{Constraint, ValueParseError}, domain::ArgumentValue, helper::identify::Identify};
[INFO] [stdout]    |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::placeholder::fill::fill_first_placeholder`
[INFO] [stdout]   --> src/placeholder/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     use crate::placeholder::fill::fill_first_placeholder;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "254987eff10808a4faa725131a16c695678e0419909fa7310d20d2b95fb4e5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254987eff10808a4faa725131a16c695678e0419909fa7310d20d2b95fb4e5f1", kill_on_drop: false }`
[INFO] [stdout] 254987eff10808a4faa725131a16c695678e0419909fa7310d20d2b95fb4e5f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a24e3a76e2d58ffed2729174ffaa65fac6d4dd75742986ae8667ef601e1c77bd
[INFO] running `Command { std: "docker" "start" "-a" "a24e3a76e2d58ffed2729174ffaa65fac6d4dd75742986ae8667ef601e1c77bd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `helper::identify::Identify`
[INFO] [stdout] 
[INFO] [stderr]   --> src/constraints/text.rs:23:84
[INFO] [stdout] running 47 tests
[INFO] [stderr]    |
[INFO] [stderr] 23 |     use crate::{constraints::{Constraint, ValueParseError}, domain::ArgumentValue, helper::identify::Identify};
[INFO] [stderr]    |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `helper::identify::Identify`
[INFO] [stderr]   --> src/constraints/flag.rs:46:84
[INFO] [stderr]    |
[INFO] [stderr] 46 |     use crate::{constraints::{Constraint, ValueParseError}, domain::ArgumentValue, helper::identify::Identify};
[INFO] [stderr]    |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::placeholder::fill::fill_first_placeholder`
[INFO] [stderr]   --> src/placeholder/mod.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     use crate::placeholder::fill::fill_first_placeholder;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rxe` (bin "rxe" test) generated 3 warnings (run `cargo fix --bin "rxe" -p rxe --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rxe-9e4f70fa7ef0bfaf)
[INFO] [stdout] test command::tests::accept_correct_input::case_2 ... ok
[INFO] [stdout] test command::tests::decline_incorrect_input::case_2 ... ok
[INFO] [stdout] test command::tests::decline_incorrect_input::case_3 ... ok
[INFO] [stdout] test command::tests::decline_incorrect_input::case_1 ... ok
[INFO] [stdout] test constraints::choice::tests::accepts_and_strictify_choice::case_2 ... ok
[INFO] [stdout] test command::tests::accept_correct_input::case_1 ... ok
[INFO] [stdout] test command::tests::accept_correct_input::case_3 ... ok
[INFO] [stdout] test constraints::choice::tests::accepts_and_strictify_choice::case_4 ... ok
[INFO] [stdout] test config::tests::accept_correct_yaml_content ... ok
[INFO] [stdout] test constraints::choice::tests::accepts_and_strictify_choice::case_1 ... ok
[INFO] [stdout] test constraints::choice::tests::accepts_and_strictify_choice::case_3 ... ok
[INFO] [stdout] test constraints::choice::tests::declines_not_choicable_value::case_1 ... ok
[INFO] [stdout] test constraints::choice::tests::declines_not_choicable_value::case_3 ... ok
[INFO] [stdout] test constraints::choice::tests::declines_not_choicable_value::case_2 ... ok
[INFO] [stdout] test constraints::number::tests::accepts_numeric_value::case_1 ... ok
[INFO] [stdout] test constraints::number::tests::accepts_numeric_value::case_3 ... ok
[INFO] [stdout] test constraints::number::tests::accepts_numeric_value::case_2 ... ok
[INFO] [stdout] test constraints::number::tests::accepts_numeric_value::case_4 ... ok
[INFO] [stdout] test constraints::number::tests::declines_non_numeric_value::case_1 ... ok
[INFO] [stdout] test constraints::number::tests::declines_non_numeric_value::case_3 ... ok
[INFO] [stdout] test constraints::text::tests::accpet_any_value ... ok
[INFO] [stdout] test constraints::text::tests::fail_fallback ... ok
[INFO] [stdout] test macros::tests::macro_generates_supposed_map ... ok
[INFO] [stdout] test constraints::flag::tests::accept_and_raise_flag_when_value_is_not_supplied ... ok
[INFO] [stdout] test placeholder::fill::tests::can_fill_placeholder::case_2 ... ok
[INFO] [stdout] test placeholder::fill::tests::can_fill_placeholder::case_1 ... ok
[INFO] [stdout] test constraints::choice::tests::fail_fallback ... ok
[INFO] [stdout] test placeholder::fill::tests::can_fill_placeholder::case_3 ... ok
[INFO] [stdout] test placeholder::fill::tests::can_fill_placeholder::case_4 ... ok
[INFO] [stdout] test placeholder::parse::tests::parses_unmalformed_placeholder::case_3 ... ok
[INFO] [stdout] test placeholder::parse::tests::declines_malformed_placeholder::case_2 ... ok
[INFO] [stdout] test placeholder::parse::tests::can_find_appropriate_placeholder::case_4 ... ok
[INFO] [stdout] test placeholder::parse::tests::parses_unmalformed_placeholder::case_2 ... ok
[INFO] [stdout] test placeholder::parse::tests::declines_malformed_placeholder::case_1 ... ok
[INFO] [stdout] test placeholder::parse::tests::can_find_appropriate_placeholder::case_2 ... ok
[INFO] [stdout] test placeholder::parse::tests::can_skip_to_the_selected_index::case_1 ... ok
[INFO] [stdout] test placeholder::tests::can_fill_multiple_placeholders::case_1 ... ok
[INFO] [stdout] test placeholder::tests::can_handle_only_single_escape::case_1 ... ok
[INFO] [stdout] test placeholder::parse::tests::can_find_appropriate_placeholder::case_1 ... ok
[INFO] [stdout] test constraints::number::tests::declines_non_numeric_value::case_2 ... ok
[INFO] [stdout] test constraints::number::tests::fail_fallback ... ok
[INFO] [stdout] test constraints::flag::tests::decline_any_value ... ok
[INFO] [stdout] test placeholder::parse::tests::can_skip_to_the_selected_index::case_2 ... ok
[INFO] [stdout] test placeholder::parse::tests::parses_unmalformed_placeholder::case_1 ... ok
[INFO] [stdout] test placeholder::tests::can_fill_multiple_placeholders::case_2 ... ok
[INFO] [stdout] test placeholder::parse::tests::can_find_appropriate_placeholder::case_3 ... ok
[INFO] [stdout] test constraints::flag::tests::return_false_value_when_argument_is_not_specified ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a24e3a76e2d58ffed2729174ffaa65fac6d4dd75742986ae8667ef601e1c77bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24e3a76e2d58ffed2729174ffaa65fac6d4dd75742986ae8667ef601e1c77bd", kill_on_drop: false }`
[INFO] [stdout] a24e3a76e2d58ffed2729174ffaa65fac6d4dd75742986ae8667ef601e1c77bd
