[INFO] crate libquilt 0.1.1 is already in cache
[INFO] checking libquilt-0.1.1 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate libquilt 0.1.1 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate libquilt 0.1.1 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libquilt 0.1.1
[INFO] finished tweaking crates.io crate libquilt 0.1.1
[INFO] tweaked toml for crates.io crate libquilt 0.1.1 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a5771be55eca9d24fc2746ac287202c89438802a10b403a5aa43fa2305923206
[INFO] running `"docker" "start" "-a" "a5771be55eca9d24fc2746ac287202c89438802a10b403a5aa43fa2305923206"`
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking libquilt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr] warning: cannot borrow `self.graggles` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/storage.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let old_graggle = &self.graggles[&inode];
[INFO] [stderr]     |                            ------------- immutable borrow occurs here
[INFO] [stderr] 101 |         self.graggles.insert(ret, old_graggle.clone());
[INFO] [stderr]     |         ^^^^^^^^^^^^^             ----------- immutable borrow later used here
[INFO] [stderr]     |         |
[INFO] [stderr]     |         mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_live`
[INFO] [stderr]    --> src/storage/graggle.rs:523:5
[INFO] [stderr]     |
[INFO] [stderr] 523 |     fn is_live(&self, node: &NodeId) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pseudo_edges`
[INFO] [stderr]    --> src/storage/graggle.rs:528:5
[INFO] [stderr]     |
[INFO] [stderr] 528 |     fn pseudo_edges(&self, u: &NodeId) -> HashSet<NodeId> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `assert_consistent`
[INFO] [stderr]    --> src/storage/graggle.rs:555:5
[INFO] [stderr]     |
[INFO] [stderr] 555 |     pub fn assert_consistent(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `self.graggles` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/storage.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let old_graggle = &self.graggles[&inode];
[INFO] [stderr]     |                            ------------- immutable borrow occurs here
[INFO] [stderr] 101 |         self.graggles.insert(ret, old_graggle.clone());
[INFO] [stderr]     |         ^^^^^^^^^^^^^             ----------- immutable borrow later used here
[INFO] [stderr]     |         |
[INFO] [stderr]     |         mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.48s
[INFO] running `"docker" "inspect" "a5771be55eca9d24fc2746ac287202c89438802a10b403a5aa43fa2305923206"`
[INFO] running `"docker" "rm" "-f" "a5771be55eca9d24fc2746ac287202c89438802a10b403a5aa43fa2305923206"`
[INFO] [stdout] a5771be55eca9d24fc2746ac287202c89438802a10b403a5aa43fa2305923206