Dec 03 16:41:26.299 INFO testing casing-0.1.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 16:41:26.299 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 16:41:26.496 INFO [stdout] 90cc6c9f1ae318c67a87f24fb77a9eb378d9d828dd772cdb0a3a90b687caca4d
Dec 03 16:41:26.505 INFO running `"docker" "start" "-a" "90cc6c9f1ae318c67a87f24fb77a9eb378d9d828dd772cdb0a3a90b687caca4d"`
Dec 03 16:41:27.250 INFO [stderr] usermod: no changes
Dec 03 16:41:27.276 INFO [stderr]    Compiling casing v0.1.0 (/source)
Dec 03 16:41:27.915 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 03 16:41:27.915 INFO [stderr]  --> src/ascii.rs:3:5
Dec 03 16:41:27.915 INFO [stderr]   |
Dec 03 16:41:27.915 INFO [stderr] 3 | use std::ascii::AsciiExt;
Dec 03 16:41:27.915 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 03 16:41:27.915 INFO [stderr]   |
Dec 03 16:41:27.915 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 03 16:41:27.915 INFO [stderr] 
Dec 03 16:41:28.018 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 03 16:41:28.018 INFO [stderr]  --> src/ascii.rs:3:5
Dec 03 16:41:28.018 INFO [stderr]   |
Dec 03 16:41:28.018 INFO [stderr] 3 | use std::ascii::AsciiExt;
Dec 03 16:41:28.018 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 03 16:41:28.019 INFO [stderr]   |
Dec 03 16:41:28.019 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 03 16:41:28.019 INFO [stderr] 
Dec 03 16:41:28.536 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Dec 03 16:41:28.538 INFO [stderr] su: No module specific data is present
Dec 03 16:41:29.059 INFO running `"docker" "inspect" "90cc6c9f1ae318c67a87f24fb77a9eb378d9d828dd772cdb0a3a90b687caca4d"`
Dec 03 16:41:29.297 INFO running `"docker" "rm" "-f" "90cc6c9f1ae318c67a87f24fb77a9eb378d9d828dd772cdb0a3a90b687caca4d"`
Dec 03 16:41:29.434 INFO [stdout] 90cc6c9f1ae318c67a87f24fb77a9eb378d9d828dd772cdb0a3a90b687caca4d
Dec 03 16:41:29.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 16:41:29.712 INFO [stdout] b1769f09f69be4467524765557d448b8d12572a2ef5b8b46733b1b3f61d2ef49
Dec 03 16:41:29.714 INFO running `"docker" "start" "-a" "b1769f09f69be4467524765557d448b8d12572a2ef5b8b46733b1b3f61d2ef49"`
Dec 03 16:41:30.457 INFO [stderr] usermod: no changes
Dec 03 16:41:30.527 INFO [stderr]    Compiling casing v0.1.0 (/source)
Dec 03 16:41:31.396 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 16:41:31.396 INFO [stderr]  --> src/lib.rs:1:19
Dec 03 16:41:31.396 INFO [stderr]   |
Dec 03 16:41:31.396 INFO [stderr] 1 | #![cfg_attr(test, feature(test))]
Dec 03 16:41:31.396 INFO [stderr]   |                   ^^^^^^^^^^^^^
Dec 03 16:41:31.396 INFO [stderr] 
Dec 03 16:41:31.396 INFO [stderr] error: aborting due to previous error
Dec 03 16:41:31.396 INFO [stderr] 
Dec 03 16:41:31.396 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:41:31.407 INFO [stderr] error: Could not compile `casing`.
Dec 03 16:41:31.407 INFO [stderr] 
Dec 03 16:41:31.407 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 16:41:31.410 INFO [stderr] su: No module specific data is present
Dec 03 16:41:31.946 INFO running `"docker" "inspect" "b1769f09f69be4467524765557d448b8d12572a2ef5b8b46733b1b3f61d2ef49"`
Dec 03 16:41:32.207 INFO running `"docker" "rm" "-f" "b1769f09f69be4467524765557d448b8d12572a2ef5b8b46733b1b3f61d2ef49"`
Dec 03 16:41:32.471 INFO [stdout] b1769f09f69be4467524765557d448b8d12572a2ef5b8b46733b1b3f61d2ef49