Dec 18 03:49:53.766 INFO checking arthurprs/burst-trie against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:49:53.766 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/arthurprs/burst-trie:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:49:53.964 INFO [stdout] 3b0931ae2c6765f1aae55920d6a942b965bc90e601c5f74c3d38597edfeb98b0
Dec 18 03:49:53.966 INFO running `"docker" "start" "-a" "3b0931ae2c6765f1aae55920d6a942b965bc90e601c5f74c3d38597edfeb98b0"`
Dec 18 03:49:54.549 INFO [stderr]     Checking burst_trie v0.0.1 (/opt/crater/workdir)
Dec 18 03:49:54.944 INFO [stderr] warning: unused import: `std::fmt`
Dec 18 03:49:54.944 INFO [stderr]   --> src/map.rs:19:5
Dec 18 03:49:54.944 INFO [stderr]    |
Dec 18 03:49:54.944 INFO [stderr] 19 | use std::fmt;
Dec 18 03:49:54.944 INFO [stderr]    |     ^^^^^^^^
Dec 18 03:49:54.944 INFO [stderr]    |
Dec 18 03:49:54.944 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 03:49:54.944 INFO [stderr] 
Dec 18 03:49:55.136 INFO [stderr] warning: unused macro definition
Dec 18 03:49:55.136 INFO [stderr]    --> src/bench_macros.rs:130:1
Dec 18 03:49:55.136 INFO [stderr]     |
Dec 18 03:49:55.136 INFO [stderr] 130 | / macro_rules! map_iter_bench {
Dec 18 03:49:55.136 INFO [stderr] 131 | |     ($name: ident, $min_len: expr, $max_len: expr, $map_len: expr, $map_type: ident, $key_prefix: expr) => (
Dec 18 03:49:55.136 INFO [stderr] 132 | |         #[bench]
Dec 18 03:49:55.136 INFO [stderr] 133 | |         fn $name(b: &mut test::Bencher) {
Dec 18 03:49:55.136 INFO [stderr] ...   |
Dec 18 03:49:55.136 INFO [stderr] 156 | |     );
Dec 18 03:49:55.136 INFO [stderr] 157 | | }
Dec 18 03:49:55.136 INFO [stderr]     | |_^
Dec 18 03:49:55.136 INFO [stderr]     |
Dec 18 03:49:55.136 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 18 03:49:55.136 INFO [stderr] 
Dec 18 03:49:55.136 INFO [stderr] warning: unused macro definition
Dec 18 03:49:55.136 INFO [stderr]    --> src/bench_macros.rs:159:1
Dec 18 03:49:55.136 INFO [stderr]     |
Dec 18 03:49:55.136 INFO [stderr] 159 | / macro_rules! map_range_bench {
Dec 18 03:49:55.136 INFO [stderr] 160 | |     ($name: ident, $min_len: expr, $max_len: expr, $map_len: expr, $map_type: ident, $key_prefix: expr) => (
Dec 18 03:49:55.136 INFO [stderr] 161 | |         #[bench]
Dec 18 03:49:55.136 INFO [stderr] 162 | |         fn $name(b: &mut test::Bencher) {
Dec 18 03:49:55.136 INFO [stderr] ...   |
Dec 18 03:49:55.136 INFO [stderr] 191 | |     );
Dec 18 03:49:55.136 INFO [stderr] 192 | | }
Dec 18 03:49:55.136 INFO [stderr]     | |_^
Dec 18 03:49:55.136 INFO [stderr] 
Dec 18 03:49:55.136 INFO [stderr] warning: unused import: `std::fmt`
Dec 18 03:49:55.136 INFO [stderr]   --> src/map.rs:19:5
Dec 18 03:49:55.136 INFO [stderr]    |
Dec 18 03:49:55.136 INFO [stderr] 19 | use std::fmt;
Dec 18 03:49:55.136 INFO [stderr]    |     ^^^^^^^^
Dec 18 03:49:55.136 INFO [stderr]    |
Dec 18 03:49:55.136 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 03:49:55.136 INFO [stderr] 
Dec 18 03:49:55.136 INFO [stderr] warning: unused import: `BurstTrieNode`
Dec 18 03:49:55.136 INFO [stderr]     --> src/map.rs:1159:31
Dec 18 03:49:55.136 INFO [stderr]      |
Dec 18 03:49:55.136 INFO [stderr] 1159 |     use super::{BurstTrieMap, BurstTrieNode};
Dec 18 03:49:55.136 INFO [stderr]      |                               ^^^^^^^^^^^^^
Dec 18 03:49:55.136 INFO [stderr] 
Dec 18 03:49:55.136 INFO [stderr] warning: unused import: `std::collections::Bound`
Dec 18 03:49:55.136 INFO [stderr]     --> src/map.rs:1160:9
Dec 18 03:49:55.136 INFO [stderr]      |
Dec 18 03:49:55.136 INFO [stderr] 1160 |     use std::collections::Bound;
Dec 18 03:49:55.136 INFO [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:49:55.137 INFO [stderr] 
Dec 18 03:49:55.701 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 03:49:55.701 INFO [stderr]  --> src/bin/mem.rs:5:1
Dec 18 03:49:55.701 INFO [stderr]   |
Dec 18 03:49:55.701 INFO [stderr] 5 | extern crate libc;
Dec 18 03:49:55.701 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 18 03:49:55.701 INFO [stderr]   |
Dec 18 03:49:55.701 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 03:49:55.701 INFO [stderr] 
Dec 18 03:49:55.701 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 03:49:55.701 INFO [stderr]   --> src/bin/mem.rs:14:5
Dec 18 03:49:55.701 INFO [stderr]    |
Dec 18 03:49:55.701 INFO [stderr] 14 | use libc::*;
Dec 18 03:49:55.701 INFO [stderr]    |     ^^^^
Dec 18 03:49:55.701 INFO [stderr]    |
Dec 18 03:49:55.701 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 03:49:55.701 INFO [stderr] 
Dec 18 03:49:55.701 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 03:49:55.701 INFO [stderr]   --> src/bin/mem.rs:16:71
Dec 18 03:49:55.701 INFO [stderr]    |
Dec 18 03:49:55.701 INFO [stderr] 16 | extern {fn je_stats_print (write_cb: extern fn (*const c_void, *const c_char), cbopaque: *const c_void, opts: *const c_char);}
Dec 18 03:49:55.701 INFO [stderr]    |                                                                       ^^^^^^
Dec 18 03:49:55.701 INFO [stderr]    |
Dec 18 03:49:55.701 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 03:49:55.701 INFO [stderr] 
Dec 18 03:49:55.701 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 03:49:55.701 INFO [stderr]   --> src/bin/mem.rs:16:118
Dec 18 03:49:55.701 INFO [stderr]    |
Dec 18 03:49:55.701 INFO [stderr] 16 | extern {fn je_stats_print (write_cb: extern fn (*const c_void, *const c_char), cbopaque: *const c_void, opts: *const c_char);}
Dec 18 03:49:55.701 INFO [stderr]    |                                                                                                                      ^^^^^^
Dec 18 03:49:55.701 INFO [stderr]    |
Dec 18 03:49:55.701 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 03:49:55.701 INFO [stderr] 
Dec 18 03:49:55.701 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 03:49:55.701 INFO [stderr]   --> src/bin/mem.rs:17:55
Dec 18 03:49:55.701 INFO [stderr]    |
Dec 18 03:49:55.701 INFO [stderr] 17 | extern fn write_cb (_: *const c_void, message: *const c_char) {
Dec 18 03:49:55.701 INFO [stderr]    |                                                       ^^^^^^
Dec 18 03:49:55.701 INFO [stderr]    |
Dec 18 03:49:55.701 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 03:49:55.701 INFO [stderr] 
Dec 18 03:49:55.718 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 03:49:55.718 INFO [stderr]  --> src/bin/mem.rs:5:1
Dec 18 03:49:55.718 INFO [stderr]   |
Dec 18 03:49:55.719 INFO [stderr] 5 | extern crate libc;
Dec 18 03:49:55.719 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 18 03:49:55.719 INFO [stderr]   |
Dec 18 03:49:55.719 INFO [stderr]   = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 03:49:55.719 INFO [stderr] 
Dec 18 03:49:55.719 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 03:49:55.719 INFO [stderr]   --> src/bin/mem.rs:14:5
Dec 18 03:49:55.719 INFO [stderr]    |
Dec 18 03:49:55.719 INFO [stderr] 14 | use libc::*;
Dec 18 03:49:55.719 INFO [stderr]    |     ^^^^
Dec 18 03:49:55.719 INFO [stderr]    |
Dec 18 03:49:55.719 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 03:49:55.719 INFO [stderr] 
Dec 18 03:49:55.719 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 03:49:55.719 INFO [stderr]   --> src/bin/mem.rs:16:71
Dec 18 03:49:55.719 INFO [stderr]    |
Dec 18 03:49:55.719 INFO [stderr] 16 | extern {fn je_stats_print (write_cb: extern fn (*const c_void, *const c_char), cbopaque: *const c_void, opts: *const c_char);}
Dec 18 03:49:55.719 INFO [stderr]    |                                                                       ^^^^^^
Dec 18 03:49:55.720 INFO [stderr]    |
Dec 18 03:49:55.720 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 03:49:55.720 INFO [stderr] 
Dec 18 03:49:55.720 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 03:49:55.720 INFO [stderr]   --> src/bin/mem.rs:16:118
Dec 18 03:49:55.720 INFO [stderr]    |
Dec 18 03:49:55.720 INFO [stderr] 16 | extern {fn je_stats_print (write_cb: extern fn (*const c_void, *const c_char), cbopaque: *const c_void, opts: *const c_char);}
Dec 18 03:49:55.720 INFO [stderr]    |                                                                                                                      ^^^^^^
Dec 18 03:49:55.720 INFO [stderr]    |
Dec 18 03:49:55.720 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 03:49:55.720 INFO [stderr] 
Dec 18 03:49:55.720 INFO [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead? (see issue #27812)
Dec 18 03:49:55.720 INFO [stderr]   --> src/bin/mem.rs:17:55
Dec 18 03:49:55.720 INFO [stderr]    |
Dec 18 03:49:55.724 INFO [stderr] 17 | extern fn write_cb (_: *const c_void, message: *const c_char) {
Dec 18 03:49:55.724 INFO [stderr]    |                                                       ^^^^^^
Dec 18 03:49:55.724 INFO [stderr]    |
Dec 18 03:49:55.724 INFO [stderr]    = help: add #![feature(rustc_private)] to the crate attributes to enable
Dec 18 03:49:55.724 INFO [stderr] 
Dec 18 03:49:55.841 INFO [stderr] error: aborting due to 5 previous errors
Dec 18 03:49:55.841 INFO [stderr] 
Dec 18 03:49:55.841 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 03:49:55.855 INFO [stderr] error: aborting due to 5 previous errors
Dec 18 03:49:55.855 INFO [stderr] 
Dec 18 03:49:55.855 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 03:49:55.865 INFO [stderr] error: Could not compile `burst_trie`.
Dec 18 03:49:55.865 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 03:49:55.865 INFO [stderr] error: Could not compile `burst_trie`.
Dec 18 03:49:55.865 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 03:49:56.322 INFO [stderr] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 18 03:49:56.322 INFO [stderr]  --> src/lib.rs:3:27
Dec 18 03:49:56.328 INFO [stderr]   |
Dec 18 03:49:56.328 INFO [stderr] 3 | #![cfg_attr(test, feature(collections_bound))]
Dec 18 03:49:56.328 INFO [stderr]   |                           ^^^^^^^^^^^^^^^^^
Dec 18 03:49:56.328 INFO [stderr]   |
Dec 18 03:49:56.328 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 03:49:56.328 INFO [stderr] 
Dec 18 03:49:56.328 INFO [stderr] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 18 03:49:56.328 INFO [stderr]  --> src/lib.rs:4:27
Dec 18 03:49:56.328 INFO [stderr]   |
Dec 18 03:49:56.328 INFO [stderr] 4 | #![cfg_attr(test, feature(btree_range))]
Dec 18 03:49:56.328 INFO [stderr]   |                           ^^^^^^^^^^^
Dec 18 03:49:56.328 INFO [stderr] 
Dec 18 03:49:56.393 INFO [stderr] error: build failed
Dec 18 03:49:56.770 INFO running `"docker" "inspect" "3b0931ae2c6765f1aae55920d6a942b965bc90e601c5f74c3d38597edfeb98b0"`
Dec 18 03:49:56.869 INFO running `"docker" "rm" "-f" "3b0931ae2c6765f1aae55920d6a942b965bc90e601c5f74c3d38597edfeb98b0"`
Dec 18 03:49:56.988 INFO [stdout] 3b0931ae2c6765f1aae55920d6a942b965bc90e601c5f74c3d38597edfeb98b0