[INFO] fetching crate batsat 0.3.1...
[INFO] checking batsat-0.3.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate batsat 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate batsat 0.3.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate batsat 0.3.1
[INFO] finished tweaking crates.io crate batsat 0.3.1
[INFO] tweaked toml for crates.io crate batsat 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 226a1489784b27193fc68544476b7b486fb4880e29a9f1bde594fb61c1a1d9dc
[INFO] running `"docker" "start" "-a" "226a1489784b27193fc68544476b7b486fb4880e29a9f1bde594fb61c1a1d9dc"`
[INFO] [stderr]     Checking batsat v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `from_idx`
[INFO] [stderr]   --> src/clause.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub(crate) fn from_idx(idx: u32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lits`
[INFO] [stderr]    --> src/clause.rs:442:5
[INFO] [stderr]     |
[INFO] [stderr] 442 |     pub fn lits(& self) -> &'a [Lit] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_idx`
[INFO] [stderr]   --> src/clause.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub(crate) fn from_idx(idx: u32) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lits`
[INFO] [stderr]    --> src/clause.rs:442:5
[INFO] [stderr]     |
[INFO] [stderr] 442 |     pub fn lits(& self) -> &'a [Lit] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `"docker" "inspect" "226a1489784b27193fc68544476b7b486fb4880e29a9f1bde594fb61c1a1d9dc"`
[INFO] running `"docker" "rm" "-f" "226a1489784b27193fc68544476b7b486fb4880e29a9f1bde594fb61c1a1d9dc"`
[INFO] [stdout] 226a1489784b27193fc68544476b7b486fb4880e29a9f1bde594fb61c1a1d9dc