[INFO] crate chelone 0.1.3 is already in cache
[INFO] checking chelone-0.1.3 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate chelone 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate chelone 0.1.3 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate chelone 0.1.3
[INFO] finished tweaking crates.io crate chelone 0.1.3
[INFO] tweaked toml for crates.io crate chelone 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 62516f23ab4d0421f2a115807b7a767ae6493f40297de89d931cc269eaee9452
[INFO] running `"docker" "start" "-a" "62516f23ab4d0421f2a115807b7a767ae6493f40297de89d931cc269eaee9452"`
[INFO] [stderr]     Checking unwrap_to v0.1.0
[INFO] [stderr]     Checking chelone v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `next_rule`
[INFO] [stderr]    --> src/lib.rs:518:14
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let (next_rule, next) = {
[INFO] [stderr]     |              ^^^^^^^^^ help: consider prefixing with an underscore: `_next_rule`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `next_rule`
[INFO] [stderr]    --> src/lib.rs:518:14
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let (next_rule, next) = {
[INFO] [stderr]     |              ^^^^^^^^^ help: consider prefixing with an underscore: `_next_rule`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source`
[INFO] [stderr]   --> src/lib.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     source: &'a str
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug_input`
[INFO] [stderr]    --> src/lib.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn debug_input(input: Peekable<FlatPairs<'a, Rule>>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source`
[INFO] [stderr]   --> src/lib.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     source: &'a str
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug_input`
[INFO] [stderr]    --> src/lib.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn debug_input(input: Peekable<FlatPairs<'a, Rule>>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `"docker" "inspect" "62516f23ab4d0421f2a115807b7a767ae6493f40297de89d931cc269eaee9452"`
[INFO] running `"docker" "rm" "-f" "62516f23ab4d0421f2a115807b7a767ae6493f40297de89d931cc269eaee9452"`
[INFO] [stdout] 62516f23ab4d0421f2a115807b7a767ae6493f40297de89d931cc269eaee9452