Dec 11 23:25:47.747 INFO checking Zeimer/aisd against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 23:25:47.747 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 23:25:48.195 INFO [stdout] d5a222336562d26a469bdbee6bc6cf53a670ea4b77b19419ba9ed4f1b23cb3c4
Dec 11 23:25:48.197 INFO running `"docker" "start" "-a" "d5a222336562d26a469bdbee6bc6cf53a670ea4b77b19419ba9ed4f1b23cb3c4"`
Dec 11 23:25:50.249 INFO [stderr] usermod: no changes
Dec 11 23:25:50.412 INFO [stderr]     Checking env_logger v0.5.11
Dec 11 23:25:52.012 INFO [stderr]     Checking quickcheck v0.6.2
Dec 11 23:25:54.140 INFO [stderr]     Checking aisd v0.1.0 (/source)
Dec 11 23:25:55.744 INFO [stderr] warning: unused import: `std::u32`
Dec 11 23:25:55.744 INFO [stderr]  --> src/depq.rs:3:5
Dec 11 23:25:55.744 INFO [stderr]   |
Dec 11 23:25:55.744 INFO [stderr] 3 | use std::u32;
Dec 11 23:25:55.744 INFO [stderr]   |     ^^^^^^^^
Dec 11 23:25:55.744 INFO [stderr]   |
Dec 11 23:25:55.744 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:25:55.745 INFO [stderr] 
Dec 11 23:25:55.745 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 23:25:55.745 INFO [stderr]   --> src/lib.rs:13:1
Dec 11 23:25:55.745 INFO [stderr]    |
Dec 11 23:25:55.745 INFO [stderr] 13 | #[macro_use]
Dec 11 23:25:55.745 INFO [stderr]    | ^^^^^^^^^^^^
Dec 11 23:25:55.745 INFO [stderr] 
Dec 11 23:25:55.921 INFO [stderr] warning: unused variable: `key`
Dec 11 23:25:55.921 INFO [stderr]   --> src/map/bst.rs:58:23
Dec 11 23:25:55.921 INFO [stderr]    |
Dec 11 23:25:55.921 INFO [stderr] 58 |     fn del(&mut self, key: &K) -> Option<V> {
Dec 11 23:25:55.921 INFO [stderr]    |                       ^^^ help: consider using `_key` instead
Dec 11 23:25:55.921 INFO [stderr]    |
Dec 11 23:25:55.921 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 23:25:55.921 INFO [stderr] 
Dec 11 23:25:55.973 INFO [stderr] warning: method is never used: `is_heap`
Dec 11 23:25:55.973 INFO [stderr]    --> src/depq.rs:248:5
Dec 11 23:25:55.973 INFO [stderr]     |
Dec 11 23:25:55.973 INFO [stderr] 248 |     fn is_heap(&self) -> bool {
Dec 11 23:25:55.973 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:25:55.973 INFO [stderr]     |
Dec 11 23:25:55.973 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 23:25:55.973 INFO [stderr] 
Dec 11 23:25:55.974 INFO [stderr] warning: method is never used: `size`
Dec 11 23:25:55.974 INFO [stderr]   --> src/map/bst.rs:18:5
Dec 11 23:25:55.974 INFO [stderr]    |
Dec 11 23:25:55.974 INFO [stderr] 18 |     fn size(&self) -> usize {
Dec 11 23:25:55.975 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:25:55.975 INFO [stderr] 
Dec 11 23:25:55.976 INFO [stderr] warning: unused import: `super::Tree::*`
Dec 11 23:25:55.976 INFO [stderr]   --> src/map/bst.rs:89:9
Dec 11 23:25:55.977 INFO [stderr]    |
Dec 11 23:25:55.977 INFO [stderr] 89 |     use super::Tree::*;
Dec 11 23:25:55.977 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 11 23:25:55.977 INFO [stderr]    |
Dec 11 23:25:55.977 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 23:25:55.977 INFO [stderr] 
Dec 11 23:25:56.585 INFO [stderr] warning: unused variable: `key`
Dec 11 23:25:56.586 INFO [stderr]   --> src/map/bst.rs:58:23
Dec 11 23:25:56.586 INFO [stderr]    |
Dec 11 23:25:56.586 INFO [stderr] 58 |     fn del(&mut self, key: &K) -> Option<V> {
Dec 11 23:25:56.586 INFO [stderr]    |                       ^^^ help: consider using `_key` instead
Dec 11 23:25:56.587 INFO [stderr]    |
Dec 11 23:25:56.587 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 23:25:56.587 INFO [stderr] 
Dec 11 23:25:56.825 INFO [stderr] warning: variable does not need to be mutable
Dec 11 23:25:56.826 INFO [stderr]    --> src/map/bst.rs:105:17
Dec 11 23:25:56.826 INFO [stderr]     |
Dec 11 23:25:56.826 INFO [stderr] 105 |             let mut t1 = t.clone();
Dec 11 23:25:56.826 INFO [stderr]     |                 ----^^
Dec 11 23:25:56.827 INFO [stderr]     |                 |
Dec 11 23:25:56.827 INFO [stderr]     |                 help: remove this `mut`
Dec 11 23:25:56.827 INFO [stderr]     |
Dec 11 23:25:56.827 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 11 23:25:56.828 INFO [stderr] 
Dec 11 23:25:58.546 INFO [stderr] warning: unused import: `aisd::pq::Heap`
Dec 11 23:25:58.546 INFO [stderr]  --> src/bin.rs:5:5
Dec 11 23:25:58.546 INFO [stderr]   |
Dec 11 23:25:58.546 INFO [stderr] 5 | use aisd::pq::Heap;
Dec 11 23:25:58.546 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 11 23:25:58.546 INFO [stderr]   |
Dec 11 23:25:58.546 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:25:58.546 INFO [stderr] 
Dec 11 23:25:58.546 INFO [stderr] warning: unused import: `aisd::depq::DEPQ`
Dec 11 23:25:58.546 INFO [stderr]  --> src/bin.rs:7:5
Dec 11 23:25:58.546 INFO [stderr]   |
Dec 11 23:25:58.546 INFO [stderr] 7 | use aisd::depq::DEPQ;
Dec 11 23:25:58.546 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 11 23:25:58.546 INFO [stderr] 
Dec 11 23:25:58.547 INFO [stderr] warning: unused import: `aisd::depq::DoubleHeap`
Dec 11 23:25:58.547 INFO [stderr]  --> src/bin.rs:8:5
Dec 11 23:25:58.547 INFO [stderr]   |
Dec 11 23:25:58.547 INFO [stderr] 8 | use aisd::depq::DoubleHeap;
Dec 11 23:25:58.547 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:25:58.547 INFO [stderr] 
Dec 11 23:25:58.727 INFO [stderr] warning: unused import: `aisd::pq::Heap`
Dec 11 23:25:58.727 INFO [stderr]  --> src/bin.rs:5:5
Dec 11 23:25:58.727 INFO [stderr]   |
Dec 11 23:25:58.728 INFO [stderr] 5 | use aisd::pq::Heap;
Dec 11 23:25:58.728 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 11 23:25:58.728 INFO [stderr]   |
Dec 11 23:25:58.729 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 23:25:58.729 INFO [stderr] 
Dec 11 23:25:58.729 INFO [stderr] warning: unused import: `aisd::depq::DEPQ`
Dec 11 23:25:58.729 INFO [stderr]  --> src/bin.rs:7:5
Dec 11 23:25:58.730 INFO [stderr]   |
Dec 11 23:25:58.730 INFO [stderr] 7 | use aisd::depq::DEPQ;
Dec 11 23:25:58.730 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 11 23:25:58.731 INFO [stderr] 
Dec 11 23:25:58.731 INFO [stderr] warning: unused import: `aisd::depq::DoubleHeap`
Dec 11 23:25:58.731 INFO [stderr]  --> src/bin.rs:8:5
Dec 11 23:25:58.731 INFO [stderr]   |
Dec 11 23:25:58.732 INFO [stderr] 8 | use aisd::depq::DoubleHeap;
Dec 11 23:25:58.732 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 23:25:58.732 INFO [stderr] 
Dec 11 23:25:58.777 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.48s
Dec 11 23:25:58.789 INFO [stderr] su: No module specific data is present
Dec 11 23:26:00.113 INFO running `"docker" "inspect" "d5a222336562d26a469bdbee6bc6cf53a670ea4b77b19419ba9ed4f1b23cb3c4"`
Dec 11 23:26:00.430 INFO running `"docker" "rm" "-f" "d5a222336562d26a469bdbee6bc6cf53a670ea4b77b19419ba9ed4f1b23cb3c4"`
Dec 11 23:26:00.804 INFO [stdout] d5a222336562d26a469bdbee6bc6cf53a670ea4b77b19419ba9ed4f1b23cb3c4