[INFO] crate phc 0.2.0 is already in cache
[INFO] checking phc-0.2.0 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate phc 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate phc 0.2.0 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate phc 0.2.0
[INFO] finished tweaking crates.io crate phc 0.2.0
[INFO] tweaked toml for crates.io crate phc 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3ab4b549e4b58d5c2ee58092a5a21dd9641d21b9a4e94ec56034a5eb34808989
[INFO] running `"docker" "start" "-a" "3ab4b549e4b58d5c2ee58092a5a21dd9641d21b9a4e94ec56034a5eb34808989"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking phc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]    --> src/params.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |         let params = param_set!(a: u8, b: u32, c = true, y: &str = "Hello!");
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `extract_param_set`
[INFO] [stderr]    --> src/params.rs:143:15
[INFO] [stderr]     |
[INFO] [stderr] 143 | pub(crate) fn extract_param_set<P>(param_set: &P, raw: &[(&str, &str)]) -> Option<P::Params>
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `"docker" "inspect" "3ab4b549e4b58d5c2ee58092a5a21dd9641d21b9a4e94ec56034a5eb34808989"`
[INFO] running `"docker" "rm" "-f" "3ab4b549e4b58d5c2ee58092a5a21dd9641d21b9a4e94ec56034a5eb34808989"`
[INFO] [stdout] 3ab4b549e4b58d5c2ee58092a5a21dd9641d21b9a4e94ec56034a5eb34808989