[INFO] fetching crate arg_parser 0.1.0...
[INFO] testing arg_parser-0.1.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate arg_parser 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate arg_parser 0.1.0
[INFO] finished tweaking crates.io crate arg_parser 0.1.0
[INFO] tweaked toml for crates.io crate arg_parser 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arg_parser 0.1.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a335419042459649f58708844325d9d0b1a6758cdde844b0466ccfe36cf49e89
[INFO] running `Command { std: "docker" "start" "-a" "a335419042459649f58708844325d9d0b1a6758cdde844b0466ccfe36cf49e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a335419042459649f58708844325d9d0b1a6758cdde844b0466ccfe36cf49e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a335419042459649f58708844325d9d0b1a6758cdde844b0466ccfe36cf49e89", kill_on_drop: false }`
[INFO] [stdout] a335419042459649f58708844325d9d0b1a6758cdde844b0466ccfe36cf49e89
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9e8e470c554d97961ae934555f23b282639cffec36c7070b5ebafdb11ed0c9f
[INFO] running `Command { std: "docker" "start" "-a" "e9e8e470c554d97961ae934555f23b282639cffec36c7070b5ebafdb11ed0c9f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling arg_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:353:40
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub fn flag<F: Hash + Eq + ?Sized>(&mut self, flag: &F) -> RefMut<bool>
[INFO] [stdout]     |                                        ^^^^^^^^^               ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub fn flag<F: Hash + Eq + ?Sized>(&mut self, flag: &F) -> RefMut<'_, bool>
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:364:39
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn opt<O: Hash + Eq + ?Sized>(&mut self, opt: &O) -> RefMut<String>
[INFO] [stdout]     |                                       ^^^^^^^^^              ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn opt<O: Hash + Eq + ?Sized>(&mut self, opt: &O) -> RefMut<'_, String>
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "e9e8e470c554d97961ae934555f23b282639cffec36c7070b5ebafdb11ed0c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e8e470c554d97961ae934555f23b282639cffec36c7070b5ebafdb11ed0c9f", kill_on_drop: false }`
[INFO] [stdout] e9e8e470c554d97961ae934555f23b282639cffec36c7070b5ebafdb11ed0c9f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34e43e665724ff544ec4e0a57f6d732ed1dc23ff02247e23db83b8930e5a2712
[INFO] running `Command { std: "docker" "start" "-a" "34e43e665724ff544ec4e0a57f6d732ed1dc23ff02247e23db83b8930e5a2712", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling arg_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:353:40
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub fn flag<F: Hash + Eq + ?Sized>(&mut self, flag: &F) -> RefMut<bool>
[INFO] [stdout]     |                                        ^^^^^^^^^               ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub fn flag<F: Hash + Eq + ?Sized>(&mut self, flag: &F) -> RefMut<'_, bool>
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:364:39
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn opt<O: Hash + Eq + ?Sized>(&mut self, opt: &O) -> RefMut<String>
[INFO] [stdout]     |                                       ^^^^^^^^^              ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn opt<O: Hash + Eq + ?Sized>(&mut self, opt: &O) -> RefMut<'_, String>
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:353:40
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub fn flag<F: Hash + Eq + ?Sized>(&mut self, flag: &F) -> RefMut<bool>
[INFO] [stdout]     |                                        ^^^^^^^^^               ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 353 |     pub fn flag<F: Hash + Eq + ?Sized>(&mut self, flag: &F) -> RefMut<'_, bool>
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:364:39
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn opt<O: Hash + Eq + ?Sized>(&mut self, opt: &O) -> RefMut<String>
[INFO] [stdout]     |                                       ^^^^^^^^^              ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 364 |     pub fn opt<O: Hash + Eq + ?Sized>(&mut self, opt: &O) -> RefMut<'_, String>
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "34e43e665724ff544ec4e0a57f6d732ed1dc23ff02247e23db83b8930e5a2712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e43e665724ff544ec4e0a57f6d732ed1dc23ff02247e23db83b8930e5a2712", kill_on_drop: false }`
[INFO] [stdout] 34e43e665724ff544ec4e0a57f6d732ed1dc23ff02247e23db83b8930e5a2712
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8bab34a5c38fdc6215f0669f31a6c6398393a9c6de68001a63eacb67defa8f98
[INFO] running `Command { std: "docker" "start" "-a" "8bab34a5c38fdc6215f0669f31a6c6398393a9c6de68001a63eacb67defa8f98", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:353:40
[INFO] [stderr]     |
[INFO] [stderr] 353 |     pub fn flag<F: Hash + Eq + ?Sized>(&mut self, flag: &F) -> RefMut<bool>
[INFO] [stderr]     |                                        ^^^^^^^^^               ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 353 |     pub fn flag<F: Hash + Eq + ?Sized>(&mut self, flag: &F) -> RefMut<'_, bool>
[INFO] [stderr]     |                                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:364:39
[INFO] [stderr]     |
[INFO] [stderr] 364 |     pub fn opt<O: Hash + Eq + ?Sized>(&mut self, opt: &O) -> RefMut<String>
[INFO] [stderr]     |                                       ^^^^^^^^^              ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                       |
[INFO] [stderr]     |                                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 364 |     pub fn opt<O: Hash + Eq + ?Sized>(&mut self, opt: &O) -> RefMut<'_, String>
[INFO] [stderr]     |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `arg_parser` (lib) generated 2 warnings (run `cargo fix --lib -p arg_parser` to apply 2 suggestions)
[INFO] [stderr] warning: `arg_parser` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arg_parser-99cd9bd41797a7b7)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::long_opts ... ok
[INFO] [stdout] test tests::stop_parsing ... ok
[INFO] [stdout] test tests::short_opts ... ok
[INFO] [stdout] test tests::settings ... 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 arg_parser
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ArgParser::found (line 335) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ArgParser::found (line 335) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `parser` in this scope
[INFO] [stdout]    --> src/lib.rs:336:4
[INFO] [stdout]     |
[INFO] [stdout] 336 | if parser.found("my-long-flag") {
[INFO] [stdout]     |    ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - ArgParser::found (line 335)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8bab34a5c38fdc6215f0669f31a6c6398393a9c6de68001a63eacb67defa8f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bab34a5c38fdc6215f0669f31a6c6398393a9c6de68001a63eacb67defa8f98", kill_on_drop: false }`
[INFO] [stdout] 8bab34a5c38fdc6215f0669f31a6c6398393a9c6de68001a63eacb67defa8f98
