[INFO] updating cached repository https://github.com/LFalch/key-layout
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dbefd21140b2134d772f2d88fbc34e22230879ac
[INFO] checking LFalch/key-layout against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLFalch%2Fkey-layout" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LFalch/key-layout on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LFalch/key-layout
[INFO] finished tweaking git repo https://github.com/LFalch/key-layout
[INFO] tweaked toml for git repo https://github.com/LFalch/key-layout written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/LFalch/key-layout already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: bin.0.no-default-features
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 0b4c196a7052e72e0b54569007fbb33be02f230b79ef427b0692253f5c133e2e
[INFO] running `"docker" "start" "-a" "0b4c196a7052e72e0b54569007fbb33be02f230b79ef427b0692253f5c133e2e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused manifest key: bin.0.no-default-features
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling klay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking utf16-ext v0.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bin/klc_to_xkb.rs:30:52
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn split_to_file_partial(s: &str) -> (&str, Option<(&str)>) {
[INFO] [stderr]    |                                                    ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/bin/klc_to_xkb.rs:30:52
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn split_to_file_partial(s: &str) -> (&str, Option<(&str)>) {
[INFO] [stderr]    |                                                    ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.85s
[INFO] running `"docker" "inspect" "0b4c196a7052e72e0b54569007fbb33be02f230b79ef427b0692253f5c133e2e"`
[INFO] running `"docker" "rm" "-f" "0b4c196a7052e72e0b54569007fbb33be02f230b79ef427b0692253f5c133e2e"`
[INFO] [stdout] 0b4c196a7052e72e0b54569007fbb33be02f230b79ef427b0692253f5c133e2e