[INFO] crate uniblocks 0.0.0 is already in cache
[INFO] checking uniblocks-0.0.0 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate uniblocks 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate uniblocks 0.0.0 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate uniblocks 0.0.0
[INFO] finished tweaking crates.io crate uniblocks 0.0.0
[INFO] tweaked toml for crates.io crate uniblocks 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 1ad9e84c6b0f8984c8356fd24b9f9bea8d6f0d0ad6d387f368dbe8e6dd38cc3b
[INFO] running `"docker" "start" "-a" "1ad9e84c6b0f8984c8356fd24b9f9bea8d6f0d0ad6d387f368dbe8e6dd38cc3b"`
[INFO] [stderr]     Checking uniblocks v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `contains_char`
[INFO] [stderr]    --> src/block.rs:855:5
[INFO] [stderr]     |
[INFO] [stderr] 855 |     pub fn contains_char(self, c: char) -> bool {
[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: method is never used: `contains_char`
[INFO] [stderr]    --> src/block.rs:855:5
[INFO] [stderr]     |
[INFO] [stderr] 855 |     pub fn contains_char(self, c: char) -> bool {
[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 0.57s
[INFO] running `"docker" "inspect" "1ad9e84c6b0f8984c8356fd24b9f9bea8d6f0d0ad6d387f368dbe8e6dd38cc3b"`
[INFO] running `"docker" "rm" "-f" "1ad9e84c6b0f8984c8356fd24b9f9bea8d6f0d0ad6d387f368dbe8e6dd38cc3b"`
[INFO] [stdout] 1ad9e84c6b0f8984c8356fd24b9f9bea8d6f0d0ad6d387f368dbe8e6dd38cc3b