Oct 31 17:40:28.359 INFO checking yberreby/benchmarks against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 17:40:28.361 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 31 17:40:28.872 INFO blam! 3a79048ad02321772216b018977bcace910ab8fc23b67f95e104819bafe742f4
Oct 31 17:40:28.892 INFO running `"docker" "start" "-a" "3a79048ad02321772216b018977bcace910ab8fc23b67f95e104819bafe742f4"`
Oct 31 17:40:30.727 INFO kablam! usermod: no changes
Oct 31 17:40:30.820 INFO kablam!     Checking libc v0.2.8
Oct 31 17:40:31.501 INFO kablam!     Checking rand v0.3.14
Oct 31 17:40:32.873 INFO kablam!     Checking chan v0.1.18
Oct 31 17:40:33.576 INFO kablam!     Checking benchmarks v0.1.0 (/source)
Oct 31 17:40:34.388 INFO kablam! warning: unused import: `std::sync::mpsc`
Oct 31 17:40:34.389 INFO kablam!  --> benches/channels.rs:9:5
Oct 31 17:40:34.390 INFO kablam!   |
Oct 31 17:40:34.391 INFO kablam! 9 | use std::sync::mpsc;
Oct 31 17:40:34.392 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 31 17:40:34.392 INFO kablam!   |
Oct 31 17:40:34.393 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 17:40:34.394 INFO kablam! 
Oct 31 17:40:34.416 INFO kablam! error[E0433]: failed to resolve. Could not find `heap` in `alloc`
Oct 31 17:40:34.417 INFO kablam!   --> benches/alloc.rs:11:14
Oct 31 17:40:34.418 INFO kablam!    |
Oct 31 17:40:34.419 INFO kablam! 11 |       alloc::heap::allocate(4, 64)
Oct 31 17:40:34.419 INFO kablam!    |              ^^^^ Could not find `heap` in `alloc`
Oct 31 17:40:34.420 INFO kablam! 
Oct 31 17:40:34.540 INFO kablam! warning: unused variable: `stdout`
Oct 31 17:40:34.541 INFO kablam!   --> benches/stdio.rs:24:9
Oct 31 17:40:34.542 INFO kablam!    |
Oct 31 17:40:34.543 INFO kablam! 24 |     let stdout = stdout.lock();
Oct 31 17:40:34.543 INFO kablam!    |         ^^^^^^ help: consider using `_stdout` instead
Oct 31 17:40:34.543 INFO kablam!    |
Oct 31 17:40:34.544 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 17:40:34.544 INFO kablam! 
Oct 31 17:40:34.554 INFO kablam! error: aborting due to previous error
Oct 31 17:40:34.560 INFO kablam! 
Oct 31 17:40:34.560 INFO kablam! For more information about this error, try `rustc --explain E0433`.
Oct 31 17:40:34.581 INFO kablam! error: Could not compile `benchmarks`.
Oct 31 17:40:34.581 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 31 17:40:34.593 INFO kablam! warning: variable does not need to be mutable
Oct 31 17:40:34.593 INFO kablam!   --> benches/stdio.rs:23:9
Oct 31 17:40:34.593 INFO kablam!    |
Oct 31 17:40:34.593 INFO kablam! 23 |     let mut stdout = std::io::stdout();
Oct 31 17:40:34.593 INFO kablam!    |         ----^^^^^^
Oct 31 17:40:34.593 INFO kablam!    |         |
Oct 31 17:40:34.593 INFO kablam!    |         help: remove this `mut`
Oct 31 17:40:34.594 INFO kablam!    |
Oct 31 17:40:34.595 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 31 17:40:34.595 INFO kablam! 
Oct 31 17:40:34.600 INFO kablam! warning: variable does not need to be mutable
Oct 31 17:40:34.600 INFO kablam!   --> benches/stdio.rs:43:9
Oct 31 17:40:34.600 INFO kablam!    |
Oct 31 17:40:34.600 INFO kablam! 43 |     let mut stdout = io::stdout();
Oct 31 17:40:34.600 INFO kablam!    |         ----^^^^^^
Oct 31 17:40:34.600 INFO kablam!    |         |
Oct 31 17:40:34.600 INFO kablam!    |         help: remove this `mut`
Oct 31 17:40:34.612 INFO kablam! 
Oct 31 17:40:34.613 INFO kablam! error[E0635]: unknown feature `str_char`
Oct 31 17:40:34.613 INFO kablam!  --> benches/stdio.rs:4:12
Oct 31 17:40:34.613 INFO kablam!   |
Oct 31 17:40:34.613 INFO kablam! 4 | #![feature(str_char)]
Oct 31 17:40:34.613 INFO kablam!   |            ^^^^^^^^
Oct 31 17:40:34.613 INFO kablam! 
Oct 31 17:40:34.615 INFO kablam! error[E0635]: unknown feature `str_char`
Oct 31 17:40:34.615 INFO kablam!  --> benches/char_at.rs:2:12
Oct 31 17:40:34.615 INFO kablam!   |
Oct 31 17:40:34.615 INFO kablam! 2 | #![feature(str_char)]
Oct 31 17:40:34.615 INFO kablam!   |            ^^^^^^^^
Oct 31 17:40:34.616 INFO kablam! 
Oct 31 17:40:34.619 INFO kablam! error: aborting due to previous error
Oct 31 17:40:34.628 INFO kablam! 
Oct 31 17:40:34.628 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 31 17:40:34.666 INFO kablam! error: Could not compile `benchmarks`.
Oct 31 17:40:34.666 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 31 17:40:34.688 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 17:40:34.688 INFO kablam!   --> benches/stdio.rs:35:9
Oct 31 17:40:34.688 INFO kablam!    |
Oct 31 17:40:34.688 INFO kablam! 35 |         stdout.write(TEST_STR.as_bytes());
Oct 31 17:40:34.688 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:40:34.688 INFO kablam!    |
Oct 31 17:40:34.688 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 31 17:40:34.688 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 17:40:34.688 INFO kablam! 
Oct 31 17:40:34.688 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 17:40:34.688 INFO kablam!   --> benches/stdio.rs:46:9
Oct 31 17:40:34.688 INFO kablam!    |
Oct 31 17:40:34.688 INFO kablam! 46 |         stdout.write(TEST_STR.as_bytes());
Oct 31 17:40:34.688 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:40:34.692 INFO kablam!    |
Oct 31 17:40:34.692 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 17:40:34.692 INFO kablam! 
Oct 31 17:40:34.699 INFO kablam! error: aborting due to previous error
Oct 31 17:40:34.699 INFO kablam! warning: unused variable: `sum`
Oct 31 17:40:34.699 INFO kablam!   --> benches/channels.rs:26:9
Oct 31 17:40:34.699 INFO kablam!    |
Oct 31 17:40:34.699 INFO kablam! 26 |     let sum = get_data_sum(data.iter().cloned());
Oct 31 17:40:34.699 INFO kablam!    |         ^^^ help: consider using `_sum` instead
Oct 31 17:40:34.699 INFO kablam!    |
Oct 31 17:40:34.699 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 17:40:34.700 INFO kablam! 
Oct 31 17:40:34.700 INFO kablam! warning: unused variable: `data`
Oct 31 17:40:34.700 INFO kablam!   --> benches/channels.rs:29:9
Oct 31 17:40:34.700 INFO kablam!    |
Oct 31 17:40:34.700 INFO kablam! 29 |     let data = data.clone();
Oct 31 17:40:34.700 INFO kablam!    |         ^^^^ help: consider using `_data` instead
Oct 31 17:40:34.700 INFO kablam! 
Oct 31 17:40:34.720 INFO kablam! 
Oct 31 17:40:34.720 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 31 17:40:34.757 INFO kablam! error: Could not compile `benchmarks`.
Oct 31 17:40:34.757 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 31 17:40:34.772 INFO kablam! error[E0635]: unknown feature `heap_api`
Oct 31 17:40:34.772 INFO kablam!  --> benches/channels.rs:1:25
Oct 31 17:40:34.772 INFO kablam!   |
Oct 31 17:40:34.772 INFO kablam! 1 | #![feature(test, alloc, heap_api)]
Oct 31 17:40:34.772 INFO kablam!   |                         ^^^^^^^^
Oct 31 17:40:34.772 INFO kablam! 
Oct 31 17:40:34.784 INFO kablam! error: aborting due to previous error
Oct 31 17:40:34.784 INFO kablam! 
Oct 31 17:40:34.784 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 31 17:40:34.796 INFO kablam! error: Could not compile `benchmarks`.
Oct 31 17:40:34.796 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 31 17:40:34.915 INFO kablam! error: build failed
Oct 31 17:40:34.925 INFO kablam! su: No module specific data is present
Oct 31 17:40:36.165 INFO running `"docker" "rm" "-f" "3a79048ad02321772216b018977bcace910ab8fc23b67f95e104819bafe742f4"`
Oct 31 17:40:36.425 INFO blam! 3a79048ad02321772216b018977bcace910ab8fc23b67f95e104819bafe742f4