[INFO] fetching crate cucumber_rust 0.8.4...
[INFO] checking cucumber_rust-0.8.4 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate cucumber_rust 0.8.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cucumber_rust 0.8.4 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cucumber_rust 0.8.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cucumber_rust 0.8.4
[INFO] tweaked toml for crates.io crate cucumber_rust 0.8.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cucumber_rust_codegen v0.1.0
[INFO] [stderr]   Downloaded cute_custom_default v2.1.0
[INFO] [stderr]   Downloaded gherkin_rust v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6aceb77e604b3ce1d05ad3bda4aa60bea7fab9d0f946ba2ed7b7606d50081705
[INFO] running `Command { std: "docker" "start" "-a" "6aceb77e604b3ce1d05ad3bda4aa60bea7fab9d0f946ba2ed7b7606d50081705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aceb77e604b3ce1d05ad3bda4aa60bea7fab9d0f946ba2ed7b7606d50081705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aceb77e604b3ce1d05ad3bda4aa60bea7fab9d0f946ba2ed7b7606d50081705", kill_on_drop: false }`
[INFO] [stdout] 6aceb77e604b3ce1d05ad3bda4aa60bea7fab9d0f946ba2ed7b7606d50081705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9079fddbf10db12c2219f00f6e1de44bb142580b4c57e1f4bb09de34afffdccc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9079fddbf10db12c2219f00f6e1de44bb142580b4c57e1f4bb09de34afffdccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking shh v1.0.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling typed-builder v0.7.1
[INFO] [stderr]    Compiling cute_custom_default v2.1.0
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling gherkin_rust v0.10.1
[INFO] [stderr]     Checking cucumber_rust v0.8.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `debug`
[INFO] [stdout]   --> src/cucumber.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     debug: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `debug`
[INFO] [stdout]   --> src/cucumber.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     debug: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `world`
[INFO] [stdout]   --> tests/cucumber_builder.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 t!(|world, _matches, _step| crate::MyWorld::new().await.unwrap()),
[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: field is never read: `any_scenario_failures`
[INFO] [stdout]   --> tests/integration_test.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     any_scenario_failures: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bar`
[INFO] [stdout]  --> tests/cucumber_builder.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     bar: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.49s
[INFO] running `Command { std: "docker" "inspect" "9079fddbf10db12c2219f00f6e1de44bb142580b4c57e1f4bb09de34afffdccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9079fddbf10db12c2219f00f6e1de44bb142580b4c57e1f4bb09de34afffdccc", kill_on_drop: false }`
[INFO] [stdout] 9079fddbf10db12c2219f00f6e1de44bb142580b4c57e1f4bb09de34afffdccc