Oct 26 17:35:32.920 INFO checking yberreby/benchmarks against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 26 17:35:32.920 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-7/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-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"`
Oct 26 17:35:33.483 INFO blam! 8119dbc1da7e4a1bd20ac0d8eb5ab2d45a1fa218e13d2f8b888fec5e853c85a9
Oct 26 17:35:33.485 INFO running `"docker" "start" "-a" "8119dbc1da7e4a1bd20ac0d8eb5ab2d45a1fa218e13d2f8b888fec5e853c85a9"`
Oct 26 17:35:35.910 INFO kablam! usermod: no changes
Oct 26 17:35:35.995 INFO kablam!     Checking libc v0.2.8
Oct 26 17:35:36.647 INFO kablam!     Checking rand v0.3.14
Oct 26 17:35:37.956 INFO kablam!     Checking chan v0.1.18
Oct 26 17:35:38.535 INFO kablam!     Checking benchmarks v0.1.0 (/source)
Oct 26 17:35:39.135 INFO kablam! error[E0433]: failed to resolve. Could not find `heap` in `alloc`
Oct 26 17:35:39.135 INFO kablam!   --> benches/alloc.rs:11:14
Oct 26 17:35:39.135 INFO kablam!    |
Oct 26 17:35:39.135 INFO kablam! 11 |       alloc::heap::allocate(4, 64)
Oct 26 17:35:39.135 INFO kablam!    |              ^^^^ Could not find `heap` in `alloc`
Oct 26 17:35:39.135 INFO kablam! 
Oct 26 17:35:39.335 INFO kablam! error: aborting due to previous error
Oct 26 17:35:39.351 INFO kablam! 
Oct 26 17:35:39.351 INFO kablam! For more information about this error, try `rustc --explain E0433`.
Oct 26 17:35:39.427 INFO kablam! error: Could not compile `benchmarks`.
Oct 26 17:35:39.427 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 26 17:35:39.479 INFO kablam! warning: unused variable: `stdout`
Oct 26 17:35:39.479 INFO kablam!   --> benches/stdio.rs:24:9
Oct 26 17:35:39.479 INFO kablam!    |
Oct 26 17:35:39.479 INFO kablam! 24 |     let stdout = stdout.lock();
Oct 26 17:35:39.479 INFO kablam!    |         ^^^^^^ help: consider using `_stdout` instead
Oct 26 17:35:39.496 INFO kablam!    |
Oct 26 17:35:39.496 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 26 17:35:39.496 INFO kablam! 
Oct 26 17:35:39.511 INFO kablam! warning: variable does not need to be mutable
Oct 26 17:35:39.511 INFO kablam!   --> benches/stdio.rs:23:9
Oct 26 17:35:39.511 INFO kablam!    |
Oct 26 17:35:39.511 INFO kablam! 23 |     let mut stdout = std::io::stdout();
Oct 26 17:35:39.511 INFO kablam!    |         ----^^^^^^
Oct 26 17:35:39.511 INFO kablam!    |         |
Oct 26 17:35:39.511 INFO kablam!    |         help: remove this `mut`
Oct 26 17:35:39.515 INFO kablam!    |
Oct 26 17:35:39.515 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 26 17:35:39.516 INFO kablam! 
Oct 26 17:35:39.526 INFO kablam! warning: variable does not need to be mutable
Oct 26 17:35:39.526 INFO kablam!   --> benches/stdio.rs:43:9
Oct 26 17:35:39.526 INFO kablam!    |
Oct 26 17:35:39.526 INFO kablam! 43 |     let mut stdout = io::stdout();
Oct 26 17:35:39.526 INFO kablam!    |         ----^^^^^^
Oct 26 17:35:39.526 INFO kablam!    |         |
Oct 26 17:35:39.526 INFO kablam!    |         help: remove this `mut`
Oct 26 17:35:39.543 INFO kablam! 
Oct 26 17:35:39.543 INFO kablam! error[E0635]: unknown feature `str_char`
Oct 26 17:35:39.543 INFO kablam!  --> benches/stdio.rs:4:12
Oct 26 17:35:39.543 INFO kablam!   |
Oct 26 17:35:39.543 INFO kablam! 4 | #![feature(str_char)]
Oct 26 17:35:39.543 INFO kablam!   |            ^^^^^^^^
Oct 26 17:35:39.543 INFO kablam! 
Oct 26 17:35:39.603 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 26 17:35:39.603 INFO kablam!   --> benches/stdio.rs:35:9
Oct 26 17:35:39.603 INFO kablam!    |
Oct 26 17:35:39.603 INFO kablam! 35 |         stdout.write(TEST_STR.as_bytes());
Oct 26 17:35:39.603 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 17:35:39.603 INFO kablam!    |
Oct 26 17:35:39.603 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 26 17:35:39.603 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 26 17:35:39.603 INFO kablam! 
Oct 26 17:35:39.603 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 26 17:35:39.603 INFO kablam!   --> benches/stdio.rs:46:9
Oct 26 17:35:39.603 INFO kablam!    |
Oct 26 17:35:39.603 INFO kablam! 46 |         stdout.write(TEST_STR.as_bytes());
Oct 26 17:35:39.603 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 26 17:35:39.611 INFO kablam!    |
Oct 26 17:35:39.611 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 26 17:35:39.611 INFO kablam! 
Oct 26 17:35:39.611 INFO kablam! error: aborting due to previous error
Oct 26 17:35:39.631 INFO kablam! 
Oct 26 17:35:39.631 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 26 17:35:39.643 INFO kablam! error[E0635]: unknown feature `str_char`
Oct 26 17:35:39.643 INFO kablam!  --> benches/char_at.rs:2:12
Oct 26 17:35:39.643 INFO kablam!   |
Oct 26 17:35:39.643 INFO kablam! 2 | #![feature(str_char)]
Oct 26 17:35:39.643 INFO kablam!   |            ^^^^^^^^
Oct 26 17:35:39.667 INFO kablam! 
Oct 26 17:35:39.675 INFO kablam! error: aborting due to previous error
Oct 26 17:35:39.683 INFO kablam! error: Could not compile `benchmarks`.
Oct 26 17:35:39.683 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 26 17:35:39.684 INFO kablam! 
Oct 26 17:35:39.684 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 26 17:35:39.719 INFO kablam! error: Could not compile `benchmarks`.
Oct 26 17:35:39.719 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 26 17:35:39.868 INFO kablam! error: build failed
Oct 26 17:35:39.869 INFO kablam! su: No module specific data is present
Oct 26 17:35:40.995 INFO running `"docker" "rm" "-f" "8119dbc1da7e4a1bd20ac0d8eb5ab2d45a1fa218e13d2f8b888fec5e853c85a9"`
Oct 26 17:35:41.387 INFO blam! 8119dbc1da7e4a1bd20ac0d8eb5ab2d45a1fa218e13d2f8b888fec5e853c85a9