Dec 03 16:41:28.688 INFO testing casing-0.1.0 against 1.30.1 for beta-1.31-5
Dec 03 16:41:28.688 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 16:41:29.091 INFO [stdout] e53e8268d2759364f725f61cde2fed4dd86d950d57b66eb656f0f76c79e782aa
Dec 03 16:41:29.099 INFO running `"docker" "start" "-a" "e53e8268d2759364f725f61cde2fed4dd86d950d57b66eb656f0f76c79e782aa"`
Dec 03 16:41:29.781 INFO [stderr] usermod: no changes
Dec 03 16:41:29.821 INFO [stderr]    Compiling casing v0.1.0 (/source)
Dec 03 16:41:30.523 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 03 16:41:30.523 INFO [stderr]  --> src/ascii.rs:3:5
Dec 03 16:41:30.523 INFO [stderr]   |
Dec 03 16:41:30.523 INFO [stderr] 3 | use std::ascii::AsciiExt;
Dec 03 16:41:30.523 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 03 16:41:30.523 INFO [stderr]   |
Dec 03 16:41:30.523 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 03 16:41:30.523 INFO [stderr] 
Dec 03 16:41:30.631 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 03 16:41:30.631 INFO [stderr]  --> src/ascii.rs:3:5
Dec 03 16:41:30.631 INFO [stderr]   |
Dec 03 16:41:30.631 INFO [stderr] 3 | use std::ascii::AsciiExt;
Dec 03 16:41:30.631 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 03 16:41:30.631 INFO [stderr]   |
Dec 03 16:41:30.631 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 03 16:41:30.631 INFO [stderr] 
Dec 03 16:41:31.136 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Dec 03 16:41:31.136 INFO [stderr] su: No module specific data is present
Dec 03 16:41:31.840 INFO running `"docker" "inspect" "e53e8268d2759364f725f61cde2fed4dd86d950d57b66eb656f0f76c79e782aa"`
Dec 03 16:41:32.079 INFO running `"docker" "rm" "-f" "e53e8268d2759364f725f61cde2fed4dd86d950d57b66eb656f0f76c79e782aa"`
Dec 03 16:41:32.523 INFO [stdout] e53e8268d2759364f725f61cde2fed4dd86d950d57b66eb656f0f76c79e782aa
Dec 03 16:41:32.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 16:41:33.103 INFO [stdout] 3ab937a4c936056ea3ee76a1365d3457934c245b7171272ca7d98f62165dc0e3
Dec 03 16:41:33.111 INFO running `"docker" "start" "-a" "3ab937a4c936056ea3ee76a1365d3457934c245b7171272ca7d98f62165dc0e3"`
Dec 03 16:41:34.112 INFO [stderr] usermod: no changes
Dec 03 16:41:34.154 INFO [stderr]    Compiling casing v0.1.0 (/source)
Dec 03 16:41:35.026 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:41:35.027 INFO [stderr]  --> src/lib.rs:1:19
Dec 03 16:41:35.027 INFO [stderr]   |
Dec 03 16:41:35.027 INFO [stderr] 1 | #![cfg_attr(test, feature(test))]
Dec 03 16:41:35.027 INFO [stderr]   |                   ^^^^^^^^^^^^^^
Dec 03 16:41:35.027 INFO [stderr] 
Dec 03 16:41:35.030 INFO [stderr] error: aborting due to previous error
Dec 03 16:41:35.030 INFO [stderr] 
Dec 03 16:41:35.030 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:41:35.037 INFO [stderr] error: Could not compile `casing`.
Dec 03 16:41:35.037 INFO [stderr] 
Dec 03 16:41:35.037 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 16:41:35.039 INFO [stderr] su: No module specific data is present
Dec 03 16:41:35.489 INFO running `"docker" "inspect" "3ab937a4c936056ea3ee76a1365d3457934c245b7171272ca7d98f62165dc0e3"`
Dec 03 16:41:35.749 INFO running `"docker" "rm" "-f" "3ab937a4c936056ea3ee76a1365d3457934c245b7171272ca7d98f62165dc0e3"`
Dec 03 16:41:35.935 INFO [stdout] 3ab937a4c936056ea3ee76a1365d3457934c245b7171272ca7d98f62165dc0e3