Dec 15 02:37:52.735 INFO testing oursh-0.2.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 02:37:52.735 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 02:37:53.065 INFO [stdout] e05e3a24a0320451c7f499b11788234bd478a48070973e16d892ba64279e9fd8
Dec 15 02:37:53.071 INFO running `"docker" "start" "-a" "e05e3a24a0320451c7f499b11788234bd478a48070973e16d892ba64279e9fd8"`
Dec 15 02:37:53.640 INFO [stderr] usermod: no changes
Dec 15 02:37:53.835 INFO [stderr]    Compiling utf8 v0.0.2
Dec 15 02:37:53.835 INFO [stderr]    Compiling new_debug_unreachable v1.0.1
Dec 15 02:37:53.835 INFO [stderr]    Compiling docopt v0.8.3
Dec 15 02:37:53.843 INFO [stderr]    Compiling pwd v1.3.0
Dec 15 02:37:55.035 INFO [stderr]    Compiling string_cache v0.7.3
Dec 15 02:37:57.667 INFO [stderr]    Compiling lalrpop v0.16.2
Dec 15 02:38:48.880 INFO [stderr]    Compiling oursh v0.2.0 (/source)
Dec 15 02:38:58.343 INFO [stderr] warning: method is never used: `fork`
Dec 15 02:38:58.343 INFO [stderr]   --> src/job.rs:49:5
Dec 15 02:38:58.343 INFO [stderr]    |
Dec 15 02:38:58.343 INFO [stderr] 49 |     fn fork(&mut self) {
Dec 15 02:38:58.343 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 15 02:38:58.343 INFO [stderr]    |
Dec 15 02:38:58.343 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 02:38:58.343 INFO [stderr] 
Dec 15 02:38:58.347 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Dec 15 02:38:58.347 INFO [stderr]   --> src/lib.rs:77:12
Dec 15 02:38:58.347 INFO [stderr]    |
Dec 15 02:38:58.347 INFO [stderr] 77 | #![feature(alloc_system, box_syntax, box_patterns)]
Dec 15 02:38:58.347 INFO [stderr]    |            ^^^^^^^^^^^^
Dec 15 02:38:58.347 INFO [stderr] 
Dec 15 02:38:58.366 INFO [stderr] error: aborting due to previous error
Dec 15 02:38:58.367 INFO [stderr] 
Dec 15 02:38:58.367 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 15 02:38:58.379 INFO [stderr] error: Could not compile `oursh`.
Dec 15 02:38:58.379 INFO [stderr] 
Dec 15 02:38:58.379 INFO [stderr] To learn more, run the command again with --verbose.
Dec 15 02:38:58.380 INFO [stderr] su: No module specific data is present
Dec 15 02:38:59.343 INFO running `"docker" "inspect" "e05e3a24a0320451c7f499b11788234bd478a48070973e16d892ba64279e9fd8"`
Dec 15 02:38:59.576 INFO running `"docker" "rm" "-f" "e05e3a24a0320451c7f499b11788234bd478a48070973e16d892ba64279e9fd8"`
Dec 15 02:38:59.790 INFO [stdout] e05e3a24a0320451c7f499b11788234bd478a48070973e16d892ba64279e9fd8