Dec 19 21:11:30.494 INFO checking Zeimer/aisd against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:11:30.494 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Zeimer/aisd:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:11:31.047 INFO [stdout] c04b3b94d3d87ccc84a6cdf57ec2cb471033baca3d3922ed3e2651f1a04b6388
Dec 19 21:11:31.050 INFO running `"docker" "start" "-a" "c04b3b94d3d87ccc84a6cdf57ec2cb471033baca3d3922ed3e2651f1a04b6388"`
Dec 19 21:11:34.025 INFO [stderr]     Checking env_logger v0.5.11
Dec 19 21:11:34.811 INFO [stderr]     Checking quickcheck v0.6.2
Dec 19 21:11:36.290 INFO [stderr]     Checking aisd v0.1.0 (/opt/crater/workdir)
Dec 19 21:11:36.776 INFO [stderr] warning: unused import: `super::Tree::*`
Dec 19 21:11:36.777 INFO [stderr]   --> src/map/bst.rs:89:9
Dec 19 21:11:36.777 INFO [stderr]    |
Dec 19 21:11:36.777 INFO [stderr] 89 |     use super::Tree::*;
Dec 19 21:11:36.777 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 19 21:11:36.778 INFO [stderr]    |
Dec 19 21:11:36.778 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 21:11:36.778 INFO [stderr] 
Dec 19 21:11:36.928 INFO [stderr] warning: unused import: `std::u32`
Dec 19 21:11:36.929 INFO [stderr]  --> src/depq.rs:3:5
Dec 19 21:11:36.929 INFO [stderr]   |
Dec 19 21:11:36.929 INFO [stderr] 3 | use std::u32;
Dec 19 21:11:36.930 INFO [stderr]   |     ^^^^^^^^
Dec 19 21:11:36.930 INFO [stderr]   |
Dec 19 21:11:36.930 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:11:36.931 INFO [stderr] 
Dec 19 21:11:36.931 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 21:11:36.931 INFO [stderr]   --> src/lib.rs:13:1
Dec 19 21:11:36.931 INFO [stderr]    |
Dec 19 21:11:36.932 INFO [stderr] 13 | #[macro_use]
Dec 19 21:11:36.932 INFO [stderr]    | ^^^^^^^^^^^^
Dec 19 21:11:36.932 INFO [stderr] 
Dec 19 21:11:37.258 INFO [stderr] warning: unused variable: `key`
Dec 19 21:11:37.258 INFO [stderr]   --> src/map/bst.rs:58:23
Dec 19 21:11:37.259 INFO [stderr]    |
Dec 19 21:11:37.259 INFO [stderr] 58 |     fn del(&mut self, key: &K) -> Option<V> {
Dec 19 21:11:37.259 INFO [stderr]    |                       ^^^ help: consider using `_key` instead
Dec 19 21:11:37.259 INFO [stderr]    |
Dec 19 21:11:37.260 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:11:37.260 INFO [stderr] 
Dec 19 21:11:37.373 INFO [stderr] warning: method is never used: `is_heap`
Dec 19 21:11:37.373 INFO [stderr]    --> src/depq.rs:248:5
Dec 19 21:11:37.373 INFO [stderr]     |
Dec 19 21:11:37.373 INFO [stderr] 248 |     fn is_heap(&self) -> bool {
Dec 19 21:11:37.374 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:11:37.374 INFO [stderr]     |
Dec 19 21:11:37.374 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 21:11:37.374 INFO [stderr] 
Dec 19 21:11:37.374 INFO [stderr] warning: method is never used: `size`
Dec 19 21:11:37.374 INFO [stderr]   --> src/map/bst.rs:18:5
Dec 19 21:11:37.375 INFO [stderr]    |
Dec 19 21:11:37.375 INFO [stderr] 18 |     fn size(&self) -> usize {
Dec 19 21:11:37.375 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:11:37.375 INFO [stderr] 
Dec 19 21:11:37.568 INFO [stderr] warning: unused variable: `key`
Dec 19 21:11:37.568 INFO [stderr]   --> src/map/bst.rs:58:23
Dec 19 21:11:37.568 INFO [stderr]    |
Dec 19 21:11:37.568 INFO [stderr] 58 |     fn del(&mut self, key: &K) -> Option<V> {
Dec 19 21:11:37.568 INFO [stderr]    |                       ^^^ help: consider using `_key` instead
Dec 19 21:11:37.568 INFO [stderr]    |
Dec 19 21:11:37.568 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:11:37.568 INFO [stderr] 
Dec 19 21:11:37.881 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:11:37.881 INFO [stderr]    --> src/map/bst.rs:105:17
Dec 19 21:11:37.882 INFO [stderr]     |
Dec 19 21:11:37.882 INFO [stderr] 105 |             let mut t1 = t.clone();
Dec 19 21:11:37.882 INFO [stderr]     |                 ----^^
Dec 19 21:11:37.882 INFO [stderr]     |                 |
Dec 19 21:11:37.882 INFO [stderr]     |                 help: remove this `mut`
Dec 19 21:11:37.883 INFO [stderr]     |
Dec 19 21:11:37.883 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 21:11:37.883 INFO [stderr] 
Dec 19 21:11:38.396 INFO [stderr] warning: unused import: `aisd::pq::Heap`
Dec 19 21:11:38.396 INFO [stderr]  --> src/bin.rs:5:5
Dec 19 21:11:38.396 INFO [stderr]   |
Dec 19 21:11:38.397 INFO [stderr] 5 | use aisd::pq::Heap;
Dec 19 21:11:38.397 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 21:11:38.397 INFO [stderr]   |
Dec 19 21:11:38.398 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:11:38.398 INFO [stderr] 
Dec 19 21:11:38.398 INFO [stderr] warning: unused import: `aisd::depq::DEPQ`
Dec 19 21:11:38.399 INFO [stderr]  --> src/bin.rs:7:5
Dec 19 21:11:38.399 INFO [stderr]   |
Dec 19 21:11:38.399 INFO [stderr] 7 | use aisd::depq::DEPQ;
Dec 19 21:11:38.399 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 21:11:38.400 INFO [stderr] 
Dec 19 21:11:38.400 INFO [stderr] warning: unused import: `aisd::depq::DoubleHeap`
Dec 19 21:11:38.400 INFO [stderr]  --> src/bin.rs:8:5
Dec 19 21:11:38.401 INFO [stderr]   |
Dec 19 21:11:38.401 INFO [stderr] 8 | use aisd::depq::DoubleHeap;
Dec 19 21:11:38.401 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:11:38.401 INFO [stderr] 
Dec 19 21:11:38.480 INFO [stderr] warning: unused import: `aisd::pq::Heap`
Dec 19 21:11:38.481 INFO [stderr]  --> src/bin.rs:5:5
Dec 19 21:11:38.481 INFO [stderr]   |
Dec 19 21:11:38.481 INFO [stderr] 5 | use aisd::pq::Heap;
Dec 19 21:11:38.482 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 19 21:11:38.482 INFO [stderr]   |
Dec 19 21:11:38.482 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:11:38.482 INFO [stderr] 
Dec 19 21:11:38.482 INFO [stderr] warning: unused import: `aisd::depq::DEPQ`
Dec 19 21:11:38.483 INFO [stderr]  --> src/bin.rs:7:5
Dec 19 21:11:38.483 INFO [stderr]   |
Dec 19 21:11:38.483 INFO [stderr] 7 | use aisd::depq::DEPQ;
Dec 19 21:11:38.483 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 21:11:38.484 INFO [stderr] 
Dec 19 21:11:38.484 INFO [stderr] warning: unused import: `aisd::depq::DoubleHeap`
Dec 19 21:11:38.484 INFO [stderr]  --> src/bin.rs:8:5
Dec 19 21:11:38.484 INFO [stderr]   |
Dec 19 21:11:38.485 INFO [stderr] 8 | use aisd::depq::DoubleHeap;
Dec 19 21:11:38.485 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:11:38.485 INFO [stderr] 
Dec 19 21:11:38.573 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
Dec 19 21:11:40.332 INFO running `"docker" "inspect" "c04b3b94d3d87ccc84a6cdf57ec2cb471033baca3d3922ed3e2651f1a04b6388"`
Dec 19 21:11:40.724 INFO running `"docker" "rm" "-f" "c04b3b94d3d87ccc84a6cdf57ec2cb471033baca3d3922ed3e2651f1a04b6388"`
Dec 19 21:11:40.980 INFO [stdout] c04b3b94d3d87ccc84a6cdf57ec2cb471033baca3d3922ed3e2651f1a04b6388