Nov 30 06:48:41.381 INFO checking arthurprs/burst-trie against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 06:48:41.381 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 06:48:41.834 INFO [stdout] 77ad613417fdd1b3f460b39f552a4b23356fc389bccf0bea5c947b55367fed75
Nov 30 06:48:41.835 INFO running `"docker" "start" "-a" "77ad613417fdd1b3f460b39f552a4b23356fc389bccf0bea5c947b55367fed75"`
Nov 30 06:48:43.847 INFO [stderr] usermod: no changes
Nov 30 06:48:43.940 INFO [stderr]     Checking burst_trie v0.0.1 (/source)
Nov 30 06:48:44.650 INFO [stderr] warning: unused import: `std::fmt`
Nov 30 06:48:44.651 INFO [stderr]   --> src/map.rs:19:5
Nov 30 06:48:44.651 INFO [stderr]    |
Nov 30 06:48:44.651 INFO [stderr] 19 | use std::fmt;
Nov 30 06:48:44.651 INFO [stderr]    |     ^^^^^^^^
Nov 30 06:48:44.652 INFO [stderr]    |
Nov 30 06:48:44.656 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 06:48:44.656 INFO [stderr] 
Nov 30 06:48:44.825 INFO [stderr] warning: unused macro definition
Nov 30 06:48:44.825 INFO [stderr]    --> src/bench_macros.rs:130:1
Nov 30 06:48:44.825 INFO [stderr]     |
Nov 30 06:48:44.826 INFO [stderr] 130 | / macro_rules! map_iter_bench {
Nov 30 06:48:44.826 INFO [stderr] 131 | |     ($name: ident, $min_len: expr, $max_len: expr, $map_len: expr, $map_type: ident, $key_prefix: expr) => (
Nov 30 06:48:44.826 INFO [stderr] 132 | |         #[bench]
Nov 30 06:48:44.827 INFO [stderr] 133 | |         fn $name(b: &mut test::Bencher) {
Nov 30 06:48:44.827 INFO [stderr] ...   |
Nov 30 06:48:44.827 INFO [stderr] 156 | |     );
Nov 30 06:48:44.827 INFO [stderr] 157 | | }
Nov 30 06:48:44.827 INFO [stderr]     | |_^
Nov 30 06:48:44.828 INFO [stderr]     |
Nov 30 06:48:44.828 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Nov 30 06:48:44.828 INFO [stderr] 
Nov 30 06:48:44.828 INFO [stderr] warning: unused macro definition
Nov 30 06:48:44.828 INFO [stderr]    --> src/bench_macros.rs:159:1
Nov 30 06:48:44.828 INFO [stderr]     |
Nov 30 06:48:44.828 INFO [stderr] 159 | / macro_rules! map_range_bench {
Nov 30 06:48:44.828 INFO [stderr] 160 | |     ($name: ident, $min_len: expr, $max_len: expr, $map_len: expr, $map_type: ident, $key_prefix: expr) => (
Nov 30 06:48:44.828 INFO [stderr] 161 | |         #[bench]
Nov 30 06:48:44.828 INFO [stderr] 162 | |         fn $name(b: &mut test::Bencher) {
Nov 30 06:48:44.828 INFO [stderr] ...   |
Nov 30 06:48:44.828 INFO [stderr] 191 | |     );
Nov 30 06:48:44.828 INFO [stderr] 192 | | }
Nov 30 06:48:44.828 INFO [stderr]     | |_^
Nov 30 06:48:44.828 INFO [stderr] 
Nov 30 06:48:44.828 INFO [stderr] warning: unused import: `std::fmt`
Nov 30 06:48:44.828 INFO [stderr]   --> src/map.rs:19:5
Nov 30 06:48:44.828 INFO [stderr]    |
Nov 30 06:48:44.828 INFO [stderr] 19 | use std::fmt;
Nov 30 06:48:44.828 INFO [stderr]    |     ^^^^^^^^
Nov 30 06:48:44.828 INFO [stderr]    |
Nov 30 06:48:44.828 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 06:48:44.828 INFO [stderr] 
Nov 30 06:48:44.828 INFO [stderr] warning: unused import: `BurstTrieNode`
Nov 30 06:48:44.828 INFO [stderr]     --> src/map.rs:1159:31
Nov 30 06:48:44.828 INFO [stderr]      |
Nov 30 06:48:44.828 INFO [stderr] 1159 |     use super::{BurstTrieMap, BurstTrieNode};
Nov 30 06:48:44.829 INFO [stderr]      |                               ^^^^^^^^^^^^^
Nov 30 06:48:44.829 INFO [stderr] 
Nov 30 06:48:44.829 INFO [stderr] warning: unused import: `std::collections::Bound`
Nov 30 06:48:44.829 INFO [stderr]     --> src/map.rs:1160:9
Nov 30 06:48:44.829 INFO [stderr]      |
Nov 30 06:48:44.829 INFO [stderr] 1160 |     use std::collections::Bound;
Nov 30 06:48:44.829 INFO [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:48:44.829 INFO [stderr] 
Nov 30 06:48:45.580 INFO [stderr] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 30 06:48:45.580 INFO [stderr]  --> src/lib.rs:3:27
Nov 30 06:48:45.580 INFO [stderr]   |
Nov 30 06:48:45.580 INFO [stderr] 3 | #![cfg_attr(test, feature(collections_bound))]
Nov 30 06:48:45.580 INFO [stderr]   |                           ^^^^^^^^^^^^^^^^^
Nov 30 06:48:45.580 INFO [stderr]   |
Nov 30 06:48:45.580 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 06:48:45.580 INFO [stderr] 
Nov 30 06:48:45.580 INFO [stderr] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 30 06:48:45.580 INFO [stderr]  --> src/lib.rs:4:27
Nov 30 06:48:45.580 INFO [stderr]   |
Nov 30 06:48:45.580 INFO [stderr] 4 | #![cfg_attr(test, feature(btree_range))]
Nov 30 06:48:45.580 INFO [stderr]   |                           ^^^^^^^^^^^
Nov 30 06:48:45.580 INFO [stderr] 
Nov 30 06:48:46.244 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
Nov 30 06:48:46.252 INFO [stderr] su: No module specific data is present
Nov 30 06:48:46.688 INFO running `"docker" "inspect" "77ad613417fdd1b3f460b39f552a4b23356fc389bccf0bea5c947b55367fed75"`
Nov 30 06:48:46.812 INFO running `"docker" "rm" "-f" "77ad613417fdd1b3f460b39f552a4b23356fc389bccf0bea5c947b55367fed75"`
Nov 30 06:48:46.932 INFO [stdout] 77ad613417fdd1b3f460b39f552a4b23356fc389bccf0bea5c947b55367fed75