Dec 15 02:37:53.039 INFO testing oursh-0.2.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 02:37:53.039 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 15 02:37:53.317 INFO [stdout] f8371ba1baaf836d0fd157f516b15ad6fabe5e3ce7f7fe95f418c4d28c925c8c
Dec 15 02:37:53.321 INFO running `"docker" "start" "-a" "f8371ba1baaf836d0fd157f516b15ad6fabe5e3ce7f7fe95f418c4d28c925c8c"`
Dec 15 02:37:53.774 INFO [stderr] usermod: no changes
Dec 15 02:37:54.019 INFO [stderr]    Compiling utf8 v0.0.2
Dec 15 02:37:54.019 INFO [stderr]    Compiling docopt v0.8.3
Dec 15 02:37:54.043 INFO [stderr]    Compiling string_cache v0.7.3
Dec 15 02:37:54.043 INFO [stderr]    Compiling pwd v1.3.0
Dec 15 02:37:56.667 INFO [stderr]    Compiling lalrpop v0.16.2
Dec 15 02:38:49.570 INFO [stderr]    Compiling oursh v0.2.0 (/source)
Dec 15 02:38:58.923 INFO [stderr] warning: method is never used: `fork`
Dec 15 02:38:58.923 INFO [stderr]   --> src/job.rs:49:5
Dec 15 02:38:58.923 INFO [stderr]    |
Dec 15 02:38:58.923 INFO [stderr] 49 |     fn fork(&mut self) {
Dec 15 02:38:58.923 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 15 02:38:58.923 INFO [stderr]    |
Dec 15 02:38:58.923 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 02:38:58.923 INFO [stderr] 
Dec 15 02:38:58.923 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Dec 15 02:38:58.923 INFO [stderr]   --> src/lib.rs:77:12
Dec 15 02:38:58.923 INFO [stderr]    |
Dec 15 02:38:58.923 INFO [stderr] 77 | #![feature(alloc_system, box_syntax, box_patterns)]
Dec 15 02:38:58.923 INFO [stderr]    |            ^^^^^^^^^^^^
Dec 15 02:38:58.923 INFO [stderr] 
Dec 15 02:38:58.923 INFO [stderr] error: aborting due to previous error
Dec 15 02:38:58.923 INFO [stderr] 
Dec 15 02:38:58.923 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 15 02:38:58.963 INFO [stderr] error: Could not compile `oursh`.
Dec 15 02:38:58.963 INFO [stderr] 
Dec 15 02:38:58.963 INFO [stderr] To learn more, run the command again with --verbose.
Dec 15 02:38:58.964 INFO [stderr] su: No module specific data is present
Dec 15 02:38:59.499 INFO running `"docker" "inspect" "f8371ba1baaf836d0fd157f516b15ad6fabe5e3ce7f7fe95f418c4d28c925c8c"`
Dec 15 02:38:59.796 INFO running `"docker" "rm" "-f" "f8371ba1baaf836d0fd157f516b15ad6fabe5e3ce7f7fe95f418c4d28c925c8c"`
Dec 15 02:39:00.094 INFO [stdout] f8371ba1baaf836d0fd157f516b15ad6fabe5e3ce7f7fe95f418c4d28c925c8c