[INFO] cloning repository https://github.com/nbigaouette/cucumber-rust-test-async-pr-32
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[INFO] [stdout] 8e0379f086537fa6fb1ed9b23e4d980e45ab4e39
[INFO] building nbigaouette/cucumber-rust-test-async-pr-32 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[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-3-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
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[INFO] crate git repo https://github.com/nbigaouette/cucumber-rust-test-async-pr-32 already has a lockfile, it will not be regenerated
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[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" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f66954555ac03fbcf7ccc8cb58bede7a8d313558c59cc6ba471da873da90bbc
[INFO] running `Command { std: "docker" "start" "-a" "1f66954555ac03fbcf7ccc8cb58bede7a8d313558c59cc6ba471da873da90bbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling cute_custom_default v2.1.0
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling pin-project v0.4.16
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[INFO] [stderr]    Compiling gherkin_rust v0.7.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling cucumber_rust v0.6.4 (https://github.com/bbqsrc/cucumber-rust.git?rev=9c2af38#9c2af387)
[INFO] [stderr]    Compiling cucumber-async-test v0.1.0 (/opt/rustwide/workdir)
[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]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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] 
[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)]` (part of `#[warn(unused)]`) 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: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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.60s
[INFO] running `Command { std: "docker" "inspect" "1f66954555ac03fbcf7ccc8cb58bede7a8d313558c59cc6ba471da873da90bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f66954555ac03fbcf7ccc8cb58bede7a8d313558c59cc6ba471da873da90bbc", kill_on_drop: false }`
[INFO] [stdout] 1f66954555ac03fbcf7ccc8cb58bede7a8d313558c59cc6ba471da873da90bbc
[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" "-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa8c5fd4d16625878086dc676cfe0a3b3e7284994043348aa3f3d9d997a4a5e5
[INFO] running `Command { std: "docker" "start" "-a" "aa8c5fd4d16625878086dc676cfe0a3b3e7284994043348aa3f3d9d997a4a5e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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: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: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "aa8c5fd4d16625878086dc676cfe0a3b3e7284994043348aa3f3d9d997a4a5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8c5fd4d16625878086dc676cfe0a3b3e7284994043348aa3f3d9d997a4a5e5", kill_on_drop: false }`
[INFO] [stdout] aa8c5fd4d16625878086dc676cfe0a3b3e7284994043348aa3f3d9d997a4a5e5
