[INFO] fetching crate n-functor 0.2.1...
[INFO] testing n-functor-0.2.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate n-functor 0.2.1 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate n-functor 0.2.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cff3ad320b40ed1e68bea75f9bf4429ef62f3776f245cb54df8273c9d12aab8e
[INFO] running `Command { std: "docker" "start" "-a" "cff3ad320b40ed1e68bea75f9bf4429ef62f3776f245cb54df8273c9d12aab8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff3ad320b40ed1e68bea75f9bf4429ef62f3776f245cb54df8273c9d12aab8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff3ad320b40ed1e68bea75f9bf4429ef62f3776f245cb54df8273c9d12aab8e", kill_on_drop: false }`
[INFO] [stdout] cff3ad320b40ed1e68bea75f9bf4429ef62f3776f245cb54df8273c9d12aab8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bd16ae85488a512a0ab7b27d0ed974a6a426ba2f1fe18733d59156d71e4f40d
[INFO] running `Command { std: "docker" "start" "-a" "7bd16ae85488a512a0ab7b27d0ed974a6a426ba2f1fe18733d59156d71e4f40d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `Command { std: "docker" "inspect" "7bd16ae85488a512a0ab7b27d0ed974a6a426ba2f1fe18733d59156d71e4f40d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd16ae85488a512a0ab7b27d0ed974a6a426ba2f1fe18733d59156d71e4f40d", kill_on_drop: false }`
[INFO] [stdout] 7bd16ae85488a512a0ab7b27d0ed974a6a426ba2f1fe18733d59156d71e4f40d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca6e89e72f22ffe291f47c0e655d32bc5c16fb4d62bbe74462688543b7965573
[INFO] running `Command { std: "docker" "start" "-a" "ca6e89e72f22ffe291f47c0e655d32bc5c16fb4d62bbe74462688543b7965573", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[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 9.81s
[INFO] running `Command { std: "docker" "inspect" "ca6e89e72f22ffe291f47c0e655d32bc5c16fb4d62bbe74462688543b7965573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6e89e72f22ffe291f47c0e655d32bc5c16fb4d62bbe74462688543b7965573", kill_on_drop: false }`
[INFO] [stdout] ca6e89e72f22ffe291f47c0e655d32bc5c16fb4d62bbe74462688543b7965573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c550fdf9e4e5d5f6160203955de609c11f55bcb8fbabfd3531690d85cdc8b979
[INFO] running `Command { std: "docker" "start" "-a" "c550fdf9e4e5d5f6160203955de609c11f55bcb8fbabfd3531690d85cdc8b979", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n_functor-5ff4f73eb8eadf29)
[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 3) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c550fdf9e4e5d5f6160203955de609c11f55bcb8fbabfd3531690d85cdc8b979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c550fdf9e4e5d5f6160203955de609c11f55bcb8fbabfd3531690d85cdc8b979", kill_on_drop: false }`
[INFO] [stdout] c550fdf9e4e5d5f6160203955de609c11f55bcb8fbabfd3531690d85cdc8b979