Dec 12 18:17:00.865 INFO checking amber-0.5.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 18:17:00.865 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 18:17:01.371 INFO [stdout] 22336467af9703f2f9a2fd2500a2b5538abbabe409b2b83fb5feff4ca63e07db
Dec 12 18:17:01.373 INFO running `"docker" "start" "-a" "22336467af9703f2f9a2fd2500a2b5538abbabe409b2b83fb5feff4ca63e07db"`
Dec 12 18:17:03.796 INFO [stderr] usermod: no changes
Dec 12 18:17:04.066 INFO [stderr]    Compiling semver-parser v0.7.0
Dec 12 18:17:04.066 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 12 18:17:04.076 INFO [stderr]    Compiling libc v0.2.45
Dec 12 18:17:04.076 INFO [stderr]    Compiling version_check v0.1.5
Dec 12 18:17:04.104 INFO [stderr]     Checking void v1.0.2
Dec 12 18:17:04.104 INFO [stderr]    Compiling unicode-xid v0.1.0
Dec 12 18:17:04.104 INFO [stderr]     Checking nodrop v0.1.13
Dec 12 18:17:04.104 INFO [stderr]    Compiling nix v0.11.0
Dec 12 18:17:04.957 INFO [stderr]     Checking rand_core v0.3.0
Dec 12 18:17:05.420 INFO [stderr]     Checking cfg-if v0.1.6
Dec 12 18:17:06.094 INFO [stderr]     Checking stable_deref_trait v1.1.1
Dec 12 18:17:07.817 INFO [stderr]    Compiling unicode-segmentation v1.2.1
Dec 12 18:17:08.153 INFO [stderr]     Checking scopeguard v0.3.3
Dec 12 18:17:08.733 INFO [stderr]     Checking memoffset v0.2.1
Dec 12 18:17:08.901 INFO [stderr]     Checking ucd-util v0.1.3
Dec 12 18:17:09.068 INFO [stderr]     Checking lazy_static v1.2.0
Dec 12 18:17:09.928 INFO [stderr]    Compiling regex v1.1.0
Dec 12 18:17:10.084 INFO [stderr]     Checking bitflags v1.0.4
Dec 12 18:17:10.098 INFO [stderr]     Checking utf8-ranges v1.0.2
Dec 12 18:17:10.105 INFO [stderr]     Checking remove_dir_all v0.5.1
Dec 12 18:17:10.812 INFO [stderr]     Checking byteorder v1.2.7
Dec 12 18:17:11.557 INFO [stderr]     Checking rlibc v1.0.0
Dec 12 18:17:12.449 INFO [stderr]     Checking scoped_threadpool v0.1.9
Dec 12 18:17:12.502 INFO [stderr]     Checking rustc-serialize v0.3.24
Dec 12 18:17:13.272 INFO [stderr]     Checking glob v0.2.11
Dec 12 18:17:14.054 INFO [stderr]     Checking arrayvec v0.4.8
Dec 12 18:17:14.481 INFO [stderr]     Checking crossbeam-utils v0.3.2
Dec 12 18:17:14.702 INFO [stderr]     Checking owning_ref v0.3.3
Dec 12 18:17:17.201 INFO [stderr]     Checking unreachable v1.0.0
Dec 12 18:17:18.692 INFO [stderr]    Compiling semver v0.9.0
Dec 12 18:17:19.028 INFO [stderr]     Checking rand_xorshift v0.1.0
Dec 12 18:17:19.178 INFO [stderr]     Checking rand_hc v0.1.0
Dec 12 18:17:19.509 INFO [stderr]     Checking rand_isaac v0.1.1
Dec 12 18:17:19.708 INFO [stderr]     Checking thread_local v0.3.6
Dec 12 18:17:19.948 INFO [stderr]    Compiling heck v0.3.0
Dec 12 18:17:20.704 INFO [stderr]    Compiling memchr v2.1.2
Dec 12 18:17:22.614 INFO [stderr]     Checking regex-syntax v0.6.4
Dec 12 18:17:23.022 INFO [stderr]     Checking term v0.5.1
Dec 12 18:17:26.313 INFO [stderr]     Checking crossbeam-epoch v0.4.3
Dec 12 18:17:27.594 INFO [stderr]     Checking smallvec v0.6.7
Dec 12 18:17:28.818 INFO [stderr]    Compiling rustc_version v0.2.3
Dec 12 18:17:35.261 INFO [stderr]     Checking rand v0.4.3
Dec 12 18:17:35.261 INFO [stderr]     Checking atty v0.2.11
Dec 12 18:17:35.261 INFO [stderr]     Checking termios v0.2.2
Dec 12 18:17:39.453 INFO [stderr]     Checking num_cpus v1.9.0
Dec 12 18:17:40.512 INFO [stderr]     Checking time v0.1.40
Dec 12 18:17:44.104 INFO [stderr]     Checking memmap v0.6.2
Dec 12 18:17:44.341 INFO [stderr]    Compiling rand_pcg v0.1.1
Dec 12 18:17:45.878 INFO [stderr]    Compiling rand_chacha v0.1.0
Dec 12 18:17:46.024 INFO [stderr]    Compiling rand v0.6.1
Dec 12 18:17:48.774 INFO [stderr]     Checking clap v2.32.0
Dec 12 18:17:49.582 INFO [stderr]     Checking getch v0.2.0
Dec 12 18:17:49.741 INFO [stderr]     Checking aho-corasick v0.6.9
Dec 12 18:17:52.244 INFO [stderr]    Compiling quote v0.6.10
Dec 12 18:17:53.122 INFO [stderr]     Checking parking_lot_core v0.2.14
Dec 12 18:17:57.652 INFO [stderr]     Checking parking_lot v0.5.5
Dec 12 18:18:00.368 INFO [stderr]    Compiling syn v0.15.22
Dec 12 18:18:04.099 INFO [stderr]     Checking crossbeam-channel v0.1.3
Dec 12 18:18:09.961 INFO [stderr]     Checking tempfile v3.0.5
Dec 12 18:18:10.688 INFO [stderr]     Checking ctrlc v3.1.1
Dec 12 18:18:22.657 INFO [stderr]    Compiling structopt-derive v0.2.14
Dec 12 18:18:26.458 INFO [stderr]     Checking structopt v0.2.14
Dec 12 18:18:27.740 INFO [stderr]     Checking amber v0.5.1 (/source)
Dec 12 18:18:44.840 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 18:18:44.840 INFO [stderr]  --> src/ambr.rs:7:1
Dec 12 18:18:44.840 INFO [stderr]   |
Dec 12 18:18:44.840 INFO [stderr] 7 | #[macro_use]
Dec 12 18:18:44.840 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 18:18:44.840 INFO [stderr]   |
Dec 12 18:18:44.840 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 18:18:44.840 INFO [stderr] 
Dec 12 18:18:47.017 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 12 18:18:47.018 INFO [stderr]  --> benches/path_finder.rs:7:5
Dec 12 18:18:47.018 INFO [stderr]   |
Dec 12 18:18:47.018 INFO [stderr] 7 | use std::path::PathBuf;
Dec 12 18:18:47.018 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 12 18:18:47.018 INFO [stderr]   |
Dec 12 18:18:47.024 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 18:18:47.024 INFO [stderr] 
Dec 12 18:18:47.024 INFO [stderr] warning: unused import: `test::Bencher`
Dec 12 18:18:47.024 INFO [stderr]  --> benches/path_finder.rs:8:5
Dec 12 18:18:47.024 INFO [stderr]   |
Dec 12 18:18:47.024 INFO [stderr] 8 | use test::Bencher;
Dec 12 18:18:47.024 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 18:18:47.024 INFO [stderr] 
Dec 12 18:18:47.996 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 18:18:47.996 INFO [stderr]  --> src/ambr.rs:7:1
Dec 12 18:18:47.996 INFO [stderr]   |
Dec 12 18:18:47.996 INFO [stderr] 7 | #[macro_use]
Dec 12 18:18:47.996 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 18:18:47.996 INFO [stderr]   |
Dec 12 18:18:47.996 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 18:18:47.996 INFO [stderr] 
Dec 12 18:18:48.661 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 18:18:48.661 INFO [stderr]  --> src/ambs.rs:7:1
Dec 12 18:18:48.661 INFO [stderr]   |
Dec 12 18:18:48.661 INFO [stderr] 7 | #[macro_use]
Dec 12 18:18:48.661 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 18:18:48.661 INFO [stderr]   |
Dec 12 18:18:48.661 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 18:18:48.661 INFO [stderr] 
Dec 12 18:18:49.392 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 18:18:49.392 INFO [stderr]  --> src/ambs.rs:7:1
Dec 12 18:18:49.393 INFO [stderr]   |
Dec 12 18:18:49.393 INFO [stderr] 7 | #[macro_use]
Dec 12 18:18:49.393 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 18:18:49.393 INFO [stderr]   |
Dec 12 18:18:49.393 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 18:18:49.393 INFO [stderr] 
Dec 12 18:18:49.605 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
Dec 12 18:18:49.615 INFO [stderr] su: No module specific data is present
Dec 12 18:18:50.011 INFO running `"docker" "inspect" "22336467af9703f2f9a2fd2500a2b5538abbabe409b2b83fb5feff4ca63e07db"`
Dec 12 18:18:50.134 INFO running `"docker" "rm" "-f" "22336467af9703f2f9a2fd2500a2b5538abbabe409b2b83fb5feff4ca63e07db"`
Dec 12 18:18:50.250 INFO [stdout] 22336467af9703f2f9a2fd2500a2b5538abbabe409b2b83fb5feff4ca63e07db