[INFO] cloning repository https://github.com/tremwil/lending_iter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tremwil/lending_iter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Flending_iter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Flending_iter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2d50612ee4044cafc2d8c42cca1b4c04b70c356
[INFO] testing tremwil/lending_iter against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremwil%2Flending_iter" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tremwil/lending_iter
[INFO] finished tweaking git repo https://github.com/tremwil/lending_iter
[INFO] tweaked toml for git repo https://github.com/tremwil/lending_iter written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tremwil/lending_iter on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tremwil/lending_iter 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fab18f342b1599e528d6751334aea126c6cb3144b1000946b14fa565414eec8a
[INFO] running `Command { std: "docker" "start" "-a" "fab18f342b1599e528d6751334aea126c6cb3144b1000946b14fa565414eec8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fab18f342b1599e528d6751334aea126c6cb3144b1000946b14fa565414eec8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab18f342b1599e528d6751334aea126c6cb3144b1000946b14fa565414eec8a", kill_on_drop: false }`
[INFO] [stdout] fab18f342b1599e528d6751334aea126c6cb3144b1000946b14fa565414eec8a
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddaf8588d92d4773993959fa6a2c709faa0f6f5a70f984e3294bce9f94e34012
[INFO] running `Command { std: "docker" "start" "-a" "ddaf8588d92d4773993959fa6a2c709faa0f6f5a70f984e3294bce9f94e34012", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling nougat-proc_macros v0.2.4
[INFO] [stderr]    Compiling nougat v0.2.4
[INFO] [stderr]    Compiling lending-iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `IntoIterator`
[INFO] [stdout]  --> src/constructors/from_iter.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::iter::{IntoIterator, Iterator};
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "ddaf8588d92d4773993959fa6a2c709faa0f6f5a70f984e3294bce9f94e34012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddaf8588d92d4773993959fa6a2c709faa0f6f5a70f984e3294bce9f94e34012", kill_on_drop: false }`
[INFO] [stdout] ddaf8588d92d4773993959fa6a2c709faa0f6f5a70f984e3294bce9f94e34012
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38ee81fd6904ee075172e2329de211218e65f06920fb47bb10977ebf16934873
[INFO] running `Command { std: "docker" "start" "-a" "38ee81fd6904ee075172e2329de211218e65f06920fb47bb10977ebf16934873", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `IntoIterator`
[INFO] [stdout]  --> src/constructors/from_iter.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::iter::{IntoIterator, Iterator};
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lending-iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `IntoIterator`
[INFO] [stdout]  --> src/constructors/from_iter.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::iter::{IntoIterator, Iterator};
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "38ee81fd6904ee075172e2329de211218e65f06920fb47bb10977ebf16934873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ee81fd6904ee075172e2329de211218e65f06920fb47bb10977ebf16934873", kill_on_drop: false }`
[INFO] [stdout] 38ee81fd6904ee075172e2329de211218e65f06920fb47bb10977ebf16934873
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa12a06e84938c5b3e917dba99523f1af43eac2b8d29bae8bd6327b8a54a2e86
[INFO] running `Command { std: "docker" "start" "-a" "aa12a06e84938c5b3e917dba99523f1af43eac2b8d29bae8bd6327b8a54a2e86", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `IntoIterator`
[INFO] [stderr]  --> src/constructors/from_iter.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::iter::{IntoIterator, Iterator};
[INFO] [stderr]   |                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lending-iter` (lib) generated 1 warning (run `cargo fix --lib -p lending-iter` to apply 1 suggestion)
[INFO] [stderr] warning: `lending-iter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lending_iter-a22b2c06c0dac2e4)
[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 unittests src/main.rs (/opt/rustwide/target/debug/deps/lending_iter-482d0a22cd977cd1)
[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]    Doc-tests lending_iter
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/hkt.rs - hkt::HKT (line 13) ... FAILED
[INFO] [stdout] test src/hkt.rs - hkt::HKT (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/hkt.rs - hkt::HKT (line 13) stdout ----
[INFO] [stdout] error: missing `fn` or `struct` for function or struct definition
[INFO] [stdout]   --> src/hkt.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | PhantomData<for<'a> fn(&'a ()) -> T<'a>>
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/hkt.rs - hkt::HKT (line 8) stdout ----
[INFO] [stdout] error: cannot find macro `HKT` in this scope
[INFO] [stdout]  --> src/hkt.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | HKT!(for<'a> T<'a>)
[INFO] [stdout]   | ^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 8 + use lending_iter::HKT;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/hkt.rs - hkt::HKT (line 13)
[INFO] [stdout]     src/hkt.rs - hkt::HKT (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "aa12a06e84938c5b3e917dba99523f1af43eac2b8d29bae8bd6327b8a54a2e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa12a06e84938c5b3e917dba99523f1af43eac2b8d29bae8bd6327b8a54a2e86", kill_on_drop: false }`
[INFO] [stdout] aa12a06e84938c5b3e917dba99523f1af43eac2b8d29bae8bd6327b8a54a2e86
