[INFO] cloning repository https://github.com/gyc567/bdd_with_cucumber_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gyc567/bdd_with_cucumber_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyc567%2Fbdd_with_cucumber_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyc567%2Fbdd_with_cucumber_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62971ea13041795d4fdeab37e99466faedb939f1
[INFO] checking gyc567/bdd_with_cucumber_rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyc567%2Fbdd_with_cucumber_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gyc567/bdd_with_cucumber_rust
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/gyc567/bdd_with_cucumber_rust
[INFO] tweaked toml for git repo https://github.com/gyc567/bdd_with_cucumber_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gyc567/bdd_with_cucumber_rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gyc567/bdd_with_cucumber_rust 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a4f9bc17d4fde6eceb52b9771804760071341fbe636b06e4faed4300006c377
[INFO] running `Command { std: "docker" "start" "-a" "1a4f9bc17d4fde6eceb52b9771804760071341fbe636b06e4faed4300006c377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a4f9bc17d4fde6eceb52b9771804760071341fbe636b06e4faed4300006c377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a4f9bc17d4fde6eceb52b9771804760071341fbe636b06e4faed4300006c377", kill_on_drop: false }`
[INFO] [stdout] 1a4f9bc17d4fde6eceb52b9771804760071341fbe636b06e4faed4300006c377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1e15d19190fe26f68b677b5d46c553a4dd3abad7493a643db04fe901d76659e
[INFO] running `Command { std: "docker" "start" "-a" "f1e15d19190fe26f68b677b5d46c553a4dd3abad7493a643db04fe901d76659e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking shh v1.0.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking bdd_with_cucumber_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking globwalk v0.7.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking gherkin_rust v0.5.1
[INFO] [stderr]     Checking cucumber_rust v0.6.3
[INFO] [stdout] warning: unused import: `steps`
[INFO] [stdout]  --> tests/cucumber.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cucumber::{cucumber, steps, before, after};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `world`
[INFO] [stdout]   --> tests/cucumber.rs:50:67
[INFO] [stdout]    |
[INFO] [stdout] 50 |         then "we can use data tables to provide more parameters" |world, step| {
[INFO] [stdout]    |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_world`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `world`
[INFO] [stdout]   --> tests/cucumber.rs:44:77
[INFO] [stdout]    |
[INFO] [stdout] 44 |         then regex r"^we can also match (\d+) (.+) types$" (usize, String) |world, num, word, step| {
[INFO] [stdout]    |                                                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_world`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]   --> tests/cucumber.rs:44:95
[INFO] [stdout]    |
[INFO] [stdout] 44 |         then regex r"^we can also match (\d+) (.+) types$" (usize, String) |world, num, word, step| {
[INFO] [stdout]    |                                                                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `world`
[INFO] [stdout]   --> tests/cucumber.rs:39:55
[INFO] [stdout]    |
[INFO] [stdout] 39 |         then regex r"^we can (.*) rules with regex$" |world, matches, step| {
[INFO] [stdout]    |                                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_world`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]   --> tests/cucumber.rs:39:71
[INFO] [stdout]    |
[INFO] [stdout] 39 |         then regex r"^we can (.*) rules with regex$" |world, matches, step| {
[INFO] [stdout]    |                                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]   --> tests/cucumber.rs:34:48
[INFO] [stdout]    |
[INFO] [stdout] 34 |         then "I am interested in ATDD" |world, step| {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]   --> tests/cucumber.rs:28:51
[INFO] [stdout]    |
[INFO] [stdout] 28 |         when "I consider what I am doing" |world, step| {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]   --> tests/cucumber.rs:23:50
[INFO] [stdout]    |
[INFO] [stdout] 23 |         given "I am trying out Cucumber" |world, step| {
[INFO] [stdout]    |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scenario`
[INFO] [stdout]   --> tests/cucumber.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 | before!(a_before_fn => |scenario| {
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scenario`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scenario`
[INFO] [stdout]   --> tests/cucumber.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 | after!(an_after_fn => |scenario| {
[INFO] [stdout]    |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scenario`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> tests/cucumber.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     steps!(crate::MyWorld => {
[INFO] [stdout] 23 | |         given "I am trying out Cucumber" |world, step| {
[INFO] [stdout] 24 | |             world.foo = "Some string".to_string();
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |         };
[INFO] [stdout] 61 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `$crate::typed_regex` which comes from the expansion of the macro `steps` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bdd_with_cucumber_rust` (test "cucumber") due to 1 previous error; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f1e15d19190fe26f68b677b5d46c553a4dd3abad7493a643db04fe901d76659e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e15d19190fe26f68b677b5d46c553a4dd3abad7493a643db04fe901d76659e", kill_on_drop: false }`
[INFO] [stdout] f1e15d19190fe26f68b677b5d46c553a4dd3abad7493a643db04fe901d76659e