[INFO] fetching crate n-functor 0.2.1...
[INFO] testing n-functor-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate n-functor 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate n-functor 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate n-functor 0.2.1
[INFO] tweaked toml for crates.io crate n-functor 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate n-functor 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate n-functor 0.2.1 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-2025-10-28" "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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1462b33cd704634fa260d5836735b6673abd00e96f8513098f6e14ce6e034de0
[INFO] running `Command { std: "docker" "start" "-a" "1462b33cd704634fa260d5836735b6673abd00e96f8513098f6e14ce6e034de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1462b33cd704634fa260d5836735b6673abd00e96f8513098f6e14ce6e034de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1462b33cd704634fa260d5836735b6673abd00e96f8513098f6e14ce6e034de0", kill_on_drop: false }`
[INFO] [stdout] 1462b33cd704634fa260d5836735b6673abd00e96f8513098f6e14ce6e034de0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8a01f5e77f56a6bf16f75602a88c297c504cac982da382633cffce37e15b766
[INFO] running `Command { std: "docker" "start" "-a" "b8a01f5e77f56a6bf16f75602a88c297c504cac982da382633cffce37e15b766", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling n-functor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "b8a01f5e77f56a6bf16f75602a88c297c504cac982da382633cffce37e15b766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a01f5e77f56a6bf16f75602a88c297c504cac982da382633cffce37e15b766", kill_on_drop: false }`
[INFO] [stdout] b8a01f5e77f56a6bf16f75602a88c297c504cac982da382633cffce37e15b766
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 018aa63c4aac5923f73635cd661e911f073fdf2e2f4f462f70ab03bfa7ba7d14
[INFO] running `Command { std: "docker" "start" "-a" "018aa63c4aac5923f73635cd661e911f073fdf2e2f4f462f70ab03bfa7ba7d14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]    Compiling n-functor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `sorry_for_tuples_map_res` is never used
[INFO] [stdout]   --> examples/n-functor.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn sorry_for_tuples_map_res<A, B, A2, B2, E>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_res_for_option` is never used
[INFO] [stdout]   --> examples/n-functor.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn map_res_for_option<A, A2, E>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `map_res_for_option_option` is never used
[INFO] [stdout]    --> examples/n-functor.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl<A, B> Recursion<A, B> {
[INFO] [stdout]     | -------------------------- associated function in this implementation
[INFO] [stdout] 102 |     fn map_res_for_option_option<B2, E>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "018aa63c4aac5923f73635cd661e911f073fdf2e2f4f462f70ab03bfa7ba7d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018aa63c4aac5923f73635cd661e911f073fdf2e2f4f462f70ab03bfa7ba7d14", kill_on_drop: false }`
[INFO] [stdout] 018aa63c4aac5923f73635cd661e911f073fdf2e2f4f462f70ab03bfa7ba7d14
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0b400938e4841f56066a086a2a1934221c360c4502b363620cbfff9fa47cd72
[INFO] running `Command { std: "docker" "start" "-a" "d0b400938e4841f56066a086a2a1934221c360c4502b363620cbfff9fa47cd72", kill_on_drop: false }`
[INFO] [stderr] warning: function `sorry_for_tuples_map_res` is never used
[INFO] [stderr]   --> examples/n-functor.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn sorry_for_tuples_map_res<A, B, A2, B2, E>(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `map_res_for_option` is never used
[INFO] [stderr]   --> examples/n-functor.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn map_res_for_option<A, A2, E>(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `map_res_for_option_option` is never used
[INFO] [stderr]    --> examples/n-functor.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 101 | impl<A, B> Recursion<A, B> {
[INFO] [stderr]     | -------------------------- associated function in this implementation
[INFO] [stderr] 102 |     fn map_res_for_option_option<B2, E>(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `n-functor` (example "n-functor") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n_functor-38e50451d74bc56a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests n_functor
[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 2 tests
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0b400938e4841f56066a086a2a1934221c360c4502b363620cbfff9fa47cd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b400938e4841f56066a086a2a1934221c360c4502b363620cbfff9fa47cd72", kill_on_drop: false }`
[INFO] [stdout] d0b400938e4841f56066a086a2a1934221c360c4502b363620cbfff9fa47cd72