[INFO] fetching crate youchoose 0.1.1...
[INFO] testing youchoose-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate youchoose 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate youchoose 0.1.1
[INFO] finished tweaking crates.io crate youchoose 0.1.1
[INFO] tweaked toml for crates.io crate youchoose 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate youchoose 0.1.1 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 youchoose 0.1.1 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 36d510d831c89489c88f918a113c8a46eed4d1797e557a67b883e74b79d3675c
[INFO] running `Command { std: "docker" "start" "-a" "36d510d831c89489c88f918a113c8a46eed4d1797e557a67b883e74b79d3675c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36d510d831c89489c88f918a113c8a46eed4d1797e557a67b883e74b79d3675c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d510d831c89489c88f918a113c8a46eed4d1797e557a67b883e74b79d3675c", kill_on_drop: false }`
[INFO] [stdout] 36d510d831c89489c88f918a113c8a46eed4d1797e557a67b883e74b79d3675c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 490bd6a452f4df508f1289910aeef06b461cf903514a973eedc835ae0d6fa0c3
[INFO] running `Command { std: "docker" "start" "-a" "490bd6a452f4df508f1289910aeef06b461cf903514a973eedc835ae0d6fa0c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling youchoose v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:197:19
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn yield_item(&mut self, i: usize) -> Option<&Item> {
[INFO] [stdout]     |                   ^^^^^^^^^                      ^^^^^
[INFO] [stdout]     |                   |                              ||
[INFO] [stdout]     |                   |                              |the same lifetime is hidden here
[INFO] [stdout]     |                   |                              the same lifetime is elided here
[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] 197 |     fn yield_item(&mut self, i: usize) -> Option<&Item<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "490bd6a452f4df508f1289910aeef06b461cf903514a973eedc835ae0d6fa0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490bd6a452f4df508f1289910aeef06b461cf903514a973eedc835ae0d6fa0c3", kill_on_drop: false }`
[INFO] [stdout] 490bd6a452f4df508f1289910aeef06b461cf903514a973eedc835ae0d6fa0c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a59705ee7551c9e8e1f0bf704dd1b551a6776a15c23e2a0d0b34a416ef172067
[INFO] running `Command { std: "docker" "start" "-a" "a59705ee7551c9e8e1f0bf704dd1b551a6776a15c23e2a0d0b34a416ef172067", kill_on_drop: false }`
[INFO] [stderr]    Compiling youchoose v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:197:19
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn yield_item(&mut self, i: usize) -> Option<&Item> {
[INFO] [stdout]     |                   ^^^^^^^^^                      ^^^^^
[INFO] [stdout]     |                   |                              ||
[INFO] [stdout]     |                   |                              |the same lifetime is hidden here
[INFO] [stdout]     |                   |                              the same lifetime is elided here
[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] 197 |     fn yield_item(&mut self, i: usize) -> Option<&Item<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:197:19
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn yield_item(&mut self, i: usize) -> Option<&Item> {
[INFO] [stdout]     |                   ^^^^^^^^^                      ^^^^^
[INFO] [stdout]     |                   |                              ||
[INFO] [stdout]     |                   |                              |the same lifetime is hidden here
[INFO] [stdout]     |                   |                              the same lifetime is elided here
[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] 197 |     fn yield_item(&mut self, i: usize) -> Option<&Item<'_>> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "a59705ee7551c9e8e1f0bf704dd1b551a6776a15c23e2a0d0b34a416ef172067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59705ee7551c9e8e1f0bf704dd1b551a6776a15c23e2a0d0b34a416ef172067", kill_on_drop: false }`
[INFO] [stdout] a59705ee7551c9e8e1f0bf704dd1b551a6776a15c23e2a0d0b34a416ef172067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] af307272e63d54a18ef61176315fbc4fa26d9e5867e98ac69dc72b8f30646ba7
[INFO] running `Command { std: "docker" "start" "-a" "af307272e63d54a18ef61176315fbc4fa26d9e5867e98ac69dc72b8f30646ba7", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:197:19
[INFO] [stderr]     |
[INFO] [stderr] 197 |     fn yield_item(&mut self, i: usize) -> Option<&Item> {
[INFO] [stderr]     |                   ^^^^^^^^^                      ^^^^^
[INFO] [stderr]     |                   |                              ||
[INFO] [stderr]     |                   |                              |the same lifetime is hidden here
[INFO] [stderr]     |                   |                              the same lifetime is elided here
[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] 197 |     fn yield_item(&mut self, i: usize) -> Option<&Item<'_>> {
[INFO] [stderr]     |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `youchoose` (lib) generated 1 warning (run `cargo fix --lib -p youchoose` to apply 1 suggestion)
[INFO] [stderr] warning: `youchoose` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/youchoose-904be5d81aebd28f)
[INFO] [stderr]    Doc-tests youchoose
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 36) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 15) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 64) ... FAILED
[INFO] [stdout] test src/lib.rs - Menu<'a,I,D>::add_multiselect_key (line 390) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 36) stdout ----
[INFO] [stdout] error[E0254]: the name `youchoose` is defined multiple times
[INFO] [stdout]   --> src/lib.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | extern crate r#youchoose;
[INFO] [stdout]    | ------------------------- previous import of the extern crate `youchoose` here
[INFO] [stdout] 38 | use youchoose;
[INFO] [stdout]    |     ^^^^^^^^^ `youchoose` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `youchoose` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0254`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 15) stdout ----
[INFO] [stdout] error[E0254]: the name `youchoose` is defined multiple times
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | extern crate r#youchoose;
[INFO] [stdout]    | ------------------------- previous import of the extern crate `youchoose` here
[INFO] [stdout] 17 | use youchoose;
[INFO] [stdout]    |     ^^^^^^^^^ `youchoose` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `youchoose` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0254`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 64) stdout ----
[INFO] [stdout] error[E0254]: the name `youchoose` is defined multiple times
[INFO] [stdout]   --> src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | extern crate r#youchoose;
[INFO] [stdout]    | ------------------------- previous import of the extern crate `youchoose` here
[INFO] [stdout] 66 | use youchoose;
[INFO] [stdout]    |     ^^^^^^^^^ `youchoose` reimported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `youchoose` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn multiples(num: i32) -> String {
[INFO] [stdout]    |    ---------              ^^^^^^ expected `String`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0254, E0308.
[INFO] [stdout] For more information about an error, try `rustc --explain E0254`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Menu<'a,I,D>::add_multiselect_key (line 390) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error opening terminal: unknown.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 15)
[INFO] [stdout]     src/lib.rs - (line 36)
[INFO] [stdout]     src/lib.rs - (line 64)
[INFO] [stdout]     src/lib.rs - Menu<'a,I,D>::add_multiselect_key (line 390)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "af307272e63d54a18ef61176315fbc4fa26d9e5867e98ac69dc72b8f30646ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af307272e63d54a18ef61176315fbc4fa26d9e5867e98ac69dc72b8f30646ba7", kill_on_drop: false }`
[INFO] [stdout] af307272e63d54a18ef61176315fbc4fa26d9e5867e98ac69dc72b8f30646ba7
