Dec 03 16:58:45.601 INFO testing cargo-outofdate-0.2.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 03 16:58:45.601 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 16:58:45.822 INFO [stdout] cbc05b1c48e7715f0f0f1764fefa4723690aa1484f869a7cb9da1b8adecaf0f7
Dec 03 16:58:45.823 INFO running `"docker" "start" "-a" "cbc05b1c48e7715f0f0f1764fefa4723690aa1484f869a7cb9da1b8adecaf0f7"`
Dec 03 16:58:46.173 INFO [stderr] usermod: no changes
Dec 03 16:58:46.398 INFO [stderr]    Compiling serde_ignored v0.0.2
Dec 03 16:58:46.401 INFO [stderr]    Compiling structopt-derive v0.0.5
Dec 03 16:58:46.404 INFO [stderr]    Compiling crates-io v0.8.0
Dec 03 16:58:53.174 INFO [stderr]    Compiling cargo v0.19.0
Dec 03 16:59:47.966 INFO [stderr]    Compiling cargo-outofdate v0.2.1 (/source)
Dec 03 16:59:55.419 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 03 16:59:55.419 INFO [stderr]  --> src/main.rs:1:1
Dec 03 16:59:55.419 INFO [stderr]   |
Dec 03 16:59:55.419 INFO [stderr] 1 | #![feature(attr_literals)]
Dec 03 16:59:55.419 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:59:55.419 INFO [stderr] 
Dec 03 16:59:55.419 INFO [stderr] error: aborting due to previous error
Dec 03 16:59:55.419 INFO [stderr] 
Dec 03 16:59:55.419 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:59:55.445 INFO [stderr] error: Could not compile `cargo-outofdate`.
Dec 03 16:59:55.445 INFO [stderr] 
Dec 03 16:59:55.445 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 16:59:55.446 INFO [stderr] su: No module specific data is present
Dec 03 16:59:56.824 INFO running `"docker" "inspect" "cbc05b1c48e7715f0f0f1764fefa4723690aa1484f869a7cb9da1b8adecaf0f7"`
Dec 03 16:59:57.227 INFO running `"docker" "rm" "-f" "cbc05b1c48e7715f0f0f1764fefa4723690aa1484f869a7cb9da1b8adecaf0f7"`
Dec 03 16:59:57.591 INFO [stdout] cbc05b1c48e7715f0f0f1764fefa4723690aa1484f869a7cb9da1b8adecaf0f7