[INFO] crate batsat 0.3.1 is already in cache
[INFO] checking batsat-0.3.1 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate batsat 0.3.1 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate batsat 0.3.1 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "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 work/builds/worker-5/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 10d5cb8a021599dcff3bae14cd9e471c90f3488e5870a989048fb464d0c0c2d3
[INFO] running `"docker" "start" "-a" "10d5cb8a021599dcff3bae14cd9e471c90f3488e5870a989048fb464d0c0c2d3"`
[INFO] [stderr]     Checking bit-vec v0.5.1
[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 2.79s
[INFO] running `"docker" "inspect" "10d5cb8a021599dcff3bae14cd9e471c90f3488e5870a989048fb464d0c0c2d3"`
[INFO] running `"docker" "rm" "-f" "10d5cb8a021599dcff3bae14cd9e471c90f3488e5870a989048fb464d0c0c2d3"`
[INFO] [stdout] 10d5cb8a021599dcff3bae14cd9e471c90f3488e5870a989048fb464d0c0c2d3