[INFO] fetching crate gherkin_rust 0.8.3...
[INFO] checking gherkin_rust-0.8.3 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate gherkin_rust 0.8.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate gherkin_rust 0.8.3 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gherkin_rust 0.8.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate gherkin_rust 0.8.3
[INFO] tweaked toml for crates.io crate gherkin_rust 0.8.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] dda80a0bcd54cc4162d6517fe27e1ce8c7e2fa7cdc9d3fca6d4705ac0e55098f
[INFO] running `Command { std: "docker" "start" "-a" "dda80a0bcd54cc4162d6517fe27e1ce8c7e2fa7cdc9d3fca6d4705ac0e55098f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dda80a0bcd54cc4162d6517fe27e1ce8c7e2fa7cdc9d3fca6d4705ac0e55098f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda80a0bcd54cc4162d6517fe27e1ce8c7e2fa7cdc9d3fca6d4705ac0e55098f", kill_on_drop: false }`
[INFO] [stdout] dda80a0bcd54cc4162d6517fe27e1ce8c7e2fa7cdc9d3fca6d4705ac0e55098f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e1530c2043afced44a3d03b4ff30dd1e4485eb8081a8ea42fe3284ab524eb9aa
[INFO] running `Command { std: "docker" "start" "-a" "e1530c2043afced44a3d03b4ff30dd1e4485eb8081a8ea42fe3284ab524eb9aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking shh v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling typed-builder v0.7.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling cute_custom_default v2.1.0
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking gherkin_rust v0.8.3
[INFO] [stderr]     Checking gherkin_rust v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking cucumber_rust v0.7.3
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/cucumber.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut builder: Steps<crate::MyWorld> = Steps::new();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "e1530c2043afced44a3d03b4ff30dd1e4485eb8081a8ea42fe3284ab524eb9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1530c2043afced44a3d03b4ff30dd1e4485eb8081a8ea42fe3284ab524eb9aa", kill_on_drop: false }`
[INFO] [stdout] e1530c2043afced44a3d03b4ff30dd1e4485eb8081a8ea42fe3284ab524eb9aa