Nov 28 09:16:08.233 INFO checking arthurprs/burst-trie against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 09:16:08.233 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 09:16:08.681 INFO [stdout] cebc13c20ef3d63536fee3d408c559f10776e1c84fd5dd098302f20cc3c03ec5
Nov 28 09:16:08.686 INFO running `"docker" "start" "-a" "cebc13c20ef3d63536fee3d408c559f10776e1c84fd5dd098302f20cc3c03ec5"`
Nov 28 09:16:10.452 INFO [stderr] usermod: no changes
Nov 28 09:16:10.546 INFO [stderr]     Checking burst_trie v0.0.1 (/source)
Nov 28 09:16:11.140 INFO [stderr] warning: unused import: `std::fmt`
Nov 28 09:16:11.140 INFO [stderr]   --> src/map.rs:19:5
Nov 28 09:16:11.140 INFO [stderr]    |
Nov 28 09:16:11.140 INFO [stderr] 19 | use std::fmt;
Nov 28 09:16:11.140 INFO [stderr]    |     ^^^^^^^^
Nov 28 09:16:11.140 INFO [stderr]    |
Nov 28 09:16:11.140 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 09:16:11.140 INFO [stderr] 
Nov 28 09:16:11.349 INFO [stderr] warning: unused macro definition
Nov 28 09:16:11.349 INFO [stderr]    --> src/bench_macros.rs:130:1
Nov 28 09:16:11.349 INFO [stderr]     |
Nov 28 09:16:11.349 INFO [stderr] 130 | / macro_rules! map_iter_bench {
Nov 28 09:16:11.349 INFO [stderr] 131 | |     ($name: ident, $min_len: expr, $max_len: expr, $map_len: expr, $map_type: ident, $key_prefix: expr) => (
Nov 28 09:16:11.349 INFO [stderr] 132 | |         #[bench]
Nov 28 09:16:11.349 INFO [stderr] 133 | |         fn $name(b: &mut test::Bencher) {
Nov 28 09:16:11.349 INFO [stderr] ...   |
Nov 28 09:16:11.349 INFO [stderr] 156 | |     );
Nov 28 09:16:11.349 INFO [stderr] 157 | | }
Nov 28 09:16:11.349 INFO [stderr]     | |_^
Nov 28 09:16:11.349 INFO [stderr]     |
Nov 28 09:16:11.349 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Nov 28 09:16:11.349 INFO [stderr] 
Nov 28 09:16:11.349 INFO [stderr] warning: unused macro definition
Nov 28 09:16:11.349 INFO [stderr]    --> src/bench_macros.rs:159:1
Nov 28 09:16:11.349 INFO [stderr]     |
Nov 28 09:16:11.349 INFO [stderr] 159 | / macro_rules! map_range_bench {
Nov 28 09:16:11.349 INFO [stderr] 160 | |     ($name: ident, $min_len: expr, $max_len: expr, $map_len: expr, $map_type: ident, $key_prefix: expr) => (
Nov 28 09:16:11.349 INFO [stderr] 161 | |         #[bench]
Nov 28 09:16:11.349 INFO [stderr] 162 | |         fn $name(b: &mut test::Bencher) {
Nov 28 09:16:11.349 INFO [stderr] ...   |
Nov 28 09:16:11.349 INFO [stderr] 191 | |     );
Nov 28 09:16:11.349 INFO [stderr] 192 | | }
Nov 28 09:16:11.349 INFO [stderr]     | |_^
Nov 28 09:16:11.349 INFO [stderr] 
Nov 28 09:16:11.349 INFO [stderr] warning: unused import: `std::fmt`
Nov 28 09:16:11.349 INFO [stderr]   --> src/map.rs:19:5
Nov 28 09:16:11.349 INFO [stderr]    |
Nov 28 09:16:11.350 INFO [stderr] 19 | use std::fmt;
Nov 28 09:16:11.350 INFO [stderr]    |     ^^^^^^^^
Nov 28 09:16:11.350 INFO [stderr]    |
Nov 28 09:16:11.350 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 09:16:11.350 INFO [stderr] 
Nov 28 09:16:11.356 INFO [stderr] warning: unused import: `BurstTrieNode`
Nov 28 09:16:11.356 INFO [stderr]     --> src/map.rs:1159:31
Nov 28 09:16:11.356 INFO [stderr]      |
Nov 28 09:16:11.356 INFO [stderr] 1159 |     use super::{BurstTrieMap, BurstTrieNode};
Nov 28 09:16:11.357 INFO [stderr]      |                               ^^^^^^^^^^^^^
Nov 28 09:16:11.357 INFO [stderr] 
Nov 28 09:16:11.357 INFO [stderr] warning: unused import: `std::collections::Bound`
Nov 28 09:16:11.357 INFO [stderr]     --> src/map.rs:1160:9
Nov 28 09:16:11.357 INFO [stderr]      |
Nov 28 09:16:11.357 INFO [stderr] 1160 |     use std::collections::Bound;
Nov 28 09:16:11.357 INFO [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 09:16:11.357 INFO [stderr] 
Nov 28 09:16:13.001 INFO [stderr] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 28 09:16:13.001 INFO [stderr]  --> src/lib.rs:3:27
Nov 28 09:16:13.002 INFO [stderr]   |
Nov 28 09:16:13.002 INFO [stderr] 3 | #![cfg_attr(test, feature(collections_bound))]
Nov 28 09:16:13.002 INFO [stderr]   |                           ^^^^^^^^^^^^^^^^^
Nov 28 09:16:13.003 INFO [stderr]   |
Nov 28 09:16:13.003 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 28 09:16:13.003 INFO [stderr] 
Nov 28 09:16:13.004 INFO [stderr] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 28 09:16:13.004 INFO [stderr]  --> src/lib.rs:4:27
Nov 28 09:16:13.004 INFO [stderr]   |
Nov 28 09:16:13.005 INFO [stderr] 4 | #![cfg_attr(test, feature(btree_range))]
Nov 28 09:16:13.005 INFO [stderr]   |                           ^^^^^^^^^^^
Nov 28 09:16:13.005 INFO [stderr] 
Nov 28 09:16:13.063 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
Nov 28 09:16:13.075 INFO [stderr] su: No module specific data is present
Nov 28 09:16:14.096 INFO running `"docker" "inspect" "cebc13c20ef3d63536fee3d408c559f10776e1c84fd5dd098302f20cc3c03ec5"`
Nov 28 09:16:14.317 INFO running `"docker" "rm" "-f" "cebc13c20ef3d63536fee3d408c559f10776e1c84fd5dd098302f20cc3c03ec5"`
Nov 28 09:16:14.565 INFO [stdout] cebc13c20ef3d63536fee3d408c559f10776e1c84fd5dd098302f20cc3c03ec5