[INFO] cloning repository https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbigaouette/cucumber-rust-test-async-pr-32" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbigaouette%2Fcucumber-rust-test-async-pr-32", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbigaouette%2Fcucumber-rust-test-async-pr-32'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e0379f086537fa6fb1ed9b23e4d980e45ab4e39 [INFO] checking nbigaouette/cucumber-rust-test-async-pr-32 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbigaouette%2Fcucumber-rust-test-async-pr-32" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 [INFO] finished tweaking git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 [INFO] tweaked toml for git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/bbqsrc/cucumber-rust.git` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indicatif v0.13.0 [INFO] [stderr] Downloaded cute_custom_default v2.1.0 [INFO] [stderr] Downloaded shh v1.0.1 [INFO] [stderr] Downloaded ignore v0.4.15 [INFO] [stderr] Downloaded globwalk v0.7.3 [INFO] [stderr] Downloaded gherkin_rust v0.7.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fc2e3d59cc297a0625861e01a96bae0b8b1c844bf81443d8b72bf82b63be6d0 [INFO] running `Command { std: "docker" "start" "-a" "7fc2e3d59cc297a0625861e01a96bae0b8b1c844bf81443d8b72bf82b63be6d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fc2e3d59cc297a0625861e01a96bae0b8b1c844bf81443d8b72bf82b63be6d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fc2e3d59cc297a0625861e01a96bae0b8b1c844bf81443d8b72bf82b63be6d0", kill_on_drop: false }` [INFO] [stdout] 7fc2e3d59cc297a0625861e01a96bae0b8b1c844bf81443d8b72bf82b63be6d0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13bdf052aede02322250f4fdc04f05dc1f7c276fe81e403f82e595d6b6a0773e [INFO] running `Command { std: "docker" "start" "-a" "13bdf052aede02322250f4fdc04f05dc1f7c276fe81e403f82e595d6b6a0773e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling syn v1.0.21 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking pathdiff v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Compiling quote v1.0.5 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking termios v0.3.2 [INFO] [stderr] Checking terminal_size v0.1.12 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking shh v1.0.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking globset v0.4.5 [INFO] [stderr] Checking console v0.11.2 [INFO] [stderr] Checking ignore v0.4.15 [INFO] [stderr] Checking indicatif v0.13.0 [INFO] [stderr] Checking globwalk v0.7.3 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pin-project-internal v0.4.16 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling cute_custom_default v2.1.0 [INFO] [stderr] Compiling async-trait v0.1.31 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking pin-project v0.4.16 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Checking gherkin_rust v0.7.0 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking cucumber_rust v0.6.4 (https://github.com/bbqsrc/cucumber-rust.git?rev=9c2af38#9c2af387) [INFO] [stderr] Checking cucumber-async-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `world` [INFO] [stdout] --> src/main.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 64 | let world = world; // world is owned now [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_world` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `world` [INFO] [stdout] --> src/main.rs:64:21 [INFO] [stdout] | [INFO] [stdout] 64 | let world = world; // world is owned now [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_world` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `world` [INFO] [stdout] --> src/main.rs:100:25 [INFO] [stdout] | [INFO] [stdout] 100 | let mut world = world.write().unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_world` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `world` [INFO] [stdout] --> src/main.rs:100:25 [INFO] [stdout] | [INFO] [stdout] 100 | let mut world = world.write().unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_world` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:71:21 [INFO] [stdout] | [INFO] [stdout] 71 | let mut world = world.write().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:71:21 [INFO] [stdout] | [INFO] [stdout] 71 | let mut world = world.write().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:80:21 [INFO] [stdout] | [INFO] [stdout] 80 | let mut world = world.write().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:80:21 [INFO] [stdout] | [INFO] [stdout] 80 | let mut world = world.write().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | let mut world = world.write().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:94:21 [INFO] [stdout] | [INFO] [stdout] 94 | let mut world = world.write().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:100:21 [INFO] [stdout] | [INFO] [stdout] 100 | let mut world = world.write().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:100:21 [INFO] [stdout] | [INFO] [stdout] 100 | let mut world = world.write().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `test_async_fn` is never used [INFO] [stdout] --> src/main.rs:34:14 [INFO] [stdout] | [INFO] [stdout] 33 | impl MyWorld { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 34 | async fn test_async_fn(&mut self) /*-> Result<()>*/ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `test_async_fn` is never used [INFO] [stdout] --> src/main.rs:34:14 [INFO] [stdout] | [INFO] [stdout] 33 | impl MyWorld { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 34 | async fn test_async_fn(&mut self) /*-> Result<()>*/ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.29s [INFO] running `Command { std: "docker" "inspect" "13bdf052aede02322250f4fdc04f05dc1f7c276fe81e403f82e595d6b6a0773e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13bdf052aede02322250f4fdc04f05dc1f7c276fe81e403f82e595d6b6a0773e", kill_on_drop: false }` [INFO] [stdout] 13bdf052aede02322250f4fdc04f05dc1f7c276fe81e403f82e595d6b6a0773e