[INFO] fetching crate implicit-fn 0.1.0...
[INFO] testing implicit-fn-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate implicit-fn 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate implicit-fn 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate implicit-fn 0.1.0
[INFO] tweaked toml for crates.io crate implicit-fn 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate implicit-fn 0.1.0 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 implicit-fn 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-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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25247ae2651b9a299920babed350769f7ab7150c3fa01d2830080a32f96dd117
[INFO] running `Command { std: "docker" "start" "-a" "25247ae2651b9a299920babed350769f7ab7150c3fa01d2830080a32f96dd117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25247ae2651b9a299920babed350769f7ab7150c3fa01d2830080a32f96dd117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25247ae2651b9a299920babed350769f7ab7150c3fa01d2830080a32f96dd117", kill_on_drop: false }`
[INFO] [stdout] 25247ae2651b9a299920babed350769f7ab7150c3fa01d2830080a32f96dd117
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a8c2204bbf19344319a98041540d82393fd24e9b3076cca9a2fcb2975d3a661
[INFO] running `Command { std: "docker" "start" "-a" "8a8c2204bbf19344319a98041540d82393fd24e9b3076cca9a2fcb2975d3a661", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling implicit-fn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.13s
[INFO] running `Command { std: "docker" "inspect" "8a8c2204bbf19344319a98041540d82393fd24e9b3076cca9a2fcb2975d3a661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8c2204bbf19344319a98041540d82393fd24e9b3076cca9a2fcb2975d3a661", kill_on_drop: false }`
[INFO] [stdout] 8a8c2204bbf19344319a98041540d82393fd24e9b3076cca9a2fcb2975d3a661
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 471b946450955f98b4af356a4c88ecbe893fcadf84c5603e42355bf024e39b43
[INFO] running `Command { std: "docker" "start" "-a" "471b946450955f98b4af356a4c88ecbe893fcadf84c5603e42355bf024e39b43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling implicit-fn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stdout]  --> tests/statement-macro.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | /     [true, true].map({
[INFO] [stdout] 5 | |         assert!(_);
[INFO] [stdout] 6 | |     });
[INFO] [stdout]   | |______^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = [true, true].map({
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.44s
[INFO] running `Command { std: "docker" "inspect" "471b946450955f98b4af356a4c88ecbe893fcadf84c5603e42355bf024e39b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471b946450955f98b4af356a4c88ecbe893fcadf84c5603e42355bf024e39b43", kill_on_drop: false }`
[INFO] [stdout] 471b946450955f98b4af356a4c88ecbe893fcadf84c5603e42355bf024e39b43
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad8db057bbc828bf3ba069778eecd413f1349e2a3aa0a3fd0e041640b2fbbd9e
[INFO] running `Command { std: "docker" "start" "-a" "ad8db057bbc828bf3ba069778eecd413f1349e2a3aa0a3fd0e041640b2fbbd9e", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `array::<impl [T; N]>::map` that must be used
[INFO] [stderr]  --> tests/statement-macro.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | /     [true, true].map({
[INFO] [stderr] 5 | |         assert!(_);
[INFO] [stderr] 6 | |     });
[INFO] [stderr]   | |______^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let _ = [true, true].map({
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `implicit-fn` (test "statement-macro") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/implicit_fn-e4ea754464217fff)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::assignee_expression_underscores ... ok
[INFO] [stdout] test tests::avoid_identity ... ok
[INFO] [stdout] test tests::identity ... ok
[INFO] [stdout] test tests::infer_underscores ... ok
[INFO] [stdout] test tests::macros ... ok
[INFO] [stdout] test tests::top_level_underscores ... ok
[INFO] [stdout] test tests::assignment ... ok
[INFO] [stdout] test tests::transparent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/statement-macro.rs (/opt/rustwide/target/debug/deps/statement_macro-3667e6605b8e4fc5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test statement_macro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests implicit_fn
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad8db057bbc828bf3ba069778eecd413f1349e2a3aa0a3fd0e041640b2fbbd9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8db057bbc828bf3ba069778eecd413f1349e2a3aa0a3fd0e041640b2fbbd9e", kill_on_drop: false }`
[INFO] [stdout] ad8db057bbc828bf3ba069778eecd413f1349e2a3aa0a3fd0e041640b2fbbd9e