[INFO] fetching crate n-functor 0.2.1...
[INFO] testing n-functor-0.2.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate n-functor 0.2.1 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate n-functor 0.2.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f0c93bc8b76a53e57df0da6d6250c015a98c8822a02b7040a7c0fa2a74b4b12
[INFO] running `Command { std: "docker" "start" "-a" "0f0c93bc8b76a53e57df0da6d6250c015a98c8822a02b7040a7c0fa2a74b4b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f0c93bc8b76a53e57df0da6d6250c015a98c8822a02b7040a7c0fa2a74b4b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0c93bc8b76a53e57df0da6d6250c015a98c8822a02b7040a7c0fa2a74b4b12", kill_on_drop: false }`
[INFO] [stdout] 0f0c93bc8b76a53e57df0da6d6250c015a98c8822a02b7040a7c0fa2a74b4b12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e639a0b45b21bb2fd6f4a686401b419cac0ac945f5a05a982b8e7470ce24624
[INFO] running `Command { std: "docker" "start" "-a" "4e639a0b45b21bb2fd6f4a686401b419cac0ac945f5a05a982b8e7470ce24624", 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 7.03s
[INFO] running `Command { std: "docker" "inspect" "4e639a0b45b21bb2fd6f4a686401b419cac0ac945f5a05a982b8e7470ce24624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e639a0b45b21bb2fd6f4a686401b419cac0ac945f5a05a982b8e7470ce24624", kill_on_drop: false }`
[INFO] [stdout] 4e639a0b45b21bb2fd6f4a686401b419cac0ac945f5a05a982b8e7470ce24624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72392899457da0b155907da9761c4b9a280ea520314eea47164af92488277af8
[INFO] running `Command { std: "docker" "start" "-a" "72392899457da0b155907da9761c4b9a280ea520314eea47164af92488277af8", 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)]` 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 8.68s
[INFO] running `Command { std: "docker" "inspect" "72392899457da0b155907da9761c4b9a280ea520314eea47164af92488277af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72392899457da0b155907da9761c4b9a280ea520314eea47164af92488277af8", kill_on_drop: false }`
[INFO] [stdout] 72392899457da0b155907da9761c4b9a280ea520314eea47164af92488277af8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4211256de7e023721597699dda34f197fce44a82543b2c97c2e65d6956b1fbfe
[INFO] running `Command { std: "docker" "start" "-a" "4211256de7e023721597699dda34f197fce44a82543b2c97c2e65d6956b1fbfe", 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)]` 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n_functor-d6a3f29eed89f162)
[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 n_functor
[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 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4211256de7e023721597699dda34f197fce44a82543b2c97c2e65d6956b1fbfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4211256de7e023721597699dda34f197fce44a82543b2c97c2e65d6956b1fbfe", kill_on_drop: false }`
[INFO] [stdout] 4211256de7e023721597699dda34f197fce44a82543b2c97c2e65d6956b1fbfe