[INFO] crate syntax-rust 0.1.0 is already in cache
[INFO] checking syntax-rust-0.1.0 against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] extracting crate syntax-rust 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate syntax-rust 0.1.0 on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate syntax-rust 0.1.0
[INFO] finished tweaking crates.io crate syntax-rust 0.1.0
[INFO] tweaked toml for crates.io crate syntax-rust 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20f48fd17d4dcf5ebfb3a64082d54d97d35b1ada1bb506c1e8b5727dd2ad8298
[INFO] running `"docker" "start" "-a" "20f48fd17d4dcf5ebfb3a64082d54d97d35b1ada1bb506c1e8b5727dd2ad8298"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking dialect v0.1.0
[INFO] [stderr]     Checking syntax-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `shouting_snake_case`
[INFO] [stderr]   --> src/utils.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub(crate) fn shouting_snake_case(s: &str) -> nom::IResult<&str, &str> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `shouting_snake_case`
[INFO] [stderr]   --> src/utils.rs:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub(crate) fn shouting_snake_case(s: &str) -> nom::IResult<&str, &str> {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.80s
[INFO] running `"docker" "inspect" "20f48fd17d4dcf5ebfb3a64082d54d97d35b1ada1bb506c1e8b5727dd2ad8298"`
[INFO] running `"docker" "rm" "-f" "20f48fd17d4dcf5ebfb3a64082d54d97d35b1ada1bb506c1e8b5727dd2ad8298"`
[INFO] [stdout] 20f48fd17d4dcf5ebfb3a64082d54d97d35b1ada1bb506c1e8b5727dd2ad8298