Nov 27 16:37:42.823 INFO checking yberreby/benchmarks against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 16:37:42.825 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 27 16:37:43.251 INFO [stdout] 200f202c647b6a0ed3fe3ee456da76e1edf501e12cb4eeefc5a0081e5aa1f6d2
Nov 27 16:37:43.261 INFO running `"docker" "start" "-a" "200f202c647b6a0ed3fe3ee456da76e1edf501e12cb4eeefc5a0081e5aa1f6d2"`
Nov 27 16:37:45.051 INFO [stderr] usermod: no changes
Nov 27 16:37:45.127 INFO [stderr]     Checking libc v0.2.8
Nov 27 16:37:45.128 INFO [stderr]     Checking crossbeam v0.2.10
Nov 27 16:37:46.200 INFO [stderr]     Checking rand v0.3.14
Nov 27 16:37:47.453 INFO [stderr]     Checking chan v0.1.18
Nov 27 16:37:48.098 INFO [stderr]     Checking benchmarks v0.1.0 (/source)
Nov 27 16:37:48.836 INFO [stderr] error[E0433]: failed to resolve: could not find `heap` in `alloc`
Nov 27 16:37:48.837 INFO [stderr]   --> benches/alloc.rs:11:14
Nov 27 16:37:48.838 INFO [stderr]    |
Nov 27 16:37:48.838 INFO [stderr] 11 |       alloc::heap::allocate(4, 64)
Nov 27 16:37:48.838 INFO [stderr]    |              ^^^^ could not find `heap` in `alloc`
Nov 27 16:37:48.838 INFO [stderr] 
Nov 27 16:37:48.907 INFO [stderr] warning: unused import: `std::sync::mpsc`
Nov 27 16:37:48.907 INFO [stderr]  --> benches/channels.rs:9:5
Nov 27 16:37:48.907 INFO [stderr]   |
Nov 27 16:37:48.908 INFO [stderr] 9 | use std::sync::mpsc;
Nov 27 16:37:48.908 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 27 16:37:48.908 INFO [stderr]   |
Nov 27 16:37:48.908 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 27 16:37:48.908 INFO [stderr] 
Nov 27 16:37:48.960 INFO [stderr] error: aborting due to previous error
Nov 27 16:37:48.961 INFO [stderr] 
Nov 27 16:37:48.961 INFO [stderr] For more information about this error, try `rustc --explain E0433`.
Nov 27 16:37:48.989 INFO [stderr] error: Could not compile `benchmarks`.
Nov 27 16:37:48.990 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 27 16:37:49.040 INFO [stderr] warning: unused variable: `stdout`
Nov 27 16:37:49.040 INFO [stderr]   --> benches/stdio.rs:24:9
Nov 27 16:37:49.040 INFO [stderr]    |
Nov 27 16:37:49.040 INFO [stderr] 24 |     let stdout = stdout.lock();
Nov 27 16:37:49.040 INFO [stderr]    |         ^^^^^^ help: consider using `_stdout` instead
Nov 27 16:37:49.040 INFO [stderr]    |
Nov 27 16:37:49.040 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 16:37:49.040 INFO [stderr] 
Nov 27 16:37:49.144 INFO [stderr] warning: variable does not need to be mutable
Nov 27 16:37:49.144 INFO [stderr]   --> benches/stdio.rs:23:9
Nov 27 16:37:49.144 INFO [stderr]    |
Nov 27 16:37:49.144 INFO [stderr] 23 |     let mut stdout = std::io::stdout();
Nov 27 16:37:49.144 INFO [stderr]    |         ----^^^^^^
Nov 27 16:37:49.144 INFO [stderr]    |         |
Nov 27 16:37:49.144 INFO [stderr]    |         help: remove this `mut`
Nov 27 16:37:49.144 INFO [stderr]    |
Nov 27 16:37:49.144 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 16:37:49.144 INFO [stderr] 
Nov 27 16:37:49.144 INFO [stderr] warning: variable does not need to be mutable
Nov 27 16:37:49.144 INFO [stderr]   --> benches/stdio.rs:43:9
Nov 27 16:37:49.144 INFO [stderr]    |
Nov 27 16:37:49.144 INFO [stderr] 43 |     let mut stdout = io::stdout();
Nov 27 16:37:49.144 INFO [stderr]    |         ----^^^^^^
Nov 27 16:37:49.144 INFO [stderr]    |         |
Nov 27 16:37:49.144 INFO [stderr]    |         help: remove this `mut`
Nov 27 16:37:49.144 INFO [stderr] 
Nov 27 16:37:49.144 INFO [stderr] error[E0635]: unknown feature `str_char`
Nov 27 16:37:49.144 INFO [stderr]  --> benches/stdio.rs:4:12
Nov 27 16:37:49.144 INFO [stderr]   |
Nov 27 16:37:49.145 INFO [stderr] 4 | #![feature(str_char)]
Nov 27 16:37:49.145 INFO [stderr]   |            ^^^^^^^^
Nov 27 16:37:49.145 INFO [stderr] 
Nov 27 16:37:49.282 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 16:37:49.282 INFO [stderr]   --> benches/stdio.rs:35:9
Nov 27 16:37:49.282 INFO [stderr]    |
Nov 27 16:37:49.282 INFO [stderr] 35 |         stdout.write(TEST_STR.as_bytes());
Nov 27 16:37:49.282 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:37:49.296 INFO [stderr] warning: unused variable: `sum`
Nov 27 16:37:49.296 INFO [stderr]   --> benches/channels.rs:26:9
Nov 27 16:37:49.296 INFO [stderr]    |
Nov 27 16:37:49.296 INFO [stderr] 26 |     let sum = get_data_sum(data.iter().cloned());
Nov 27 16:37:49.296 INFO [stderr]    |         ^^^ help: consider using `_sum` instead
Nov 27 16:37:49.316 INFO [stderr]    |
Nov 27 16:37:49.316 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 27 16:37:49.316 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 16:37:49.316 INFO [stderr] 
Nov 27 16:37:49.316 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 27 16:37:49.316 INFO [stderr]   --> benches/stdio.rs:46:9
Nov 27 16:37:49.316 INFO [stderr]    |
Nov 27 16:37:49.316 INFO [stderr] 46 |         stdout.write(TEST_STR.as_bytes());
Nov 27 16:37:49.316 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 16:37:49.316 INFO [stderr]    |
Nov 27 16:37:49.316 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 27 16:37:49.316 INFO [stderr] 
Nov 27 16:37:49.316 INFO [stderr] error: aborting due to previous error
Nov 27 16:37:49.328 INFO [stderr] 
Nov 27 16:37:49.328 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Nov 27 16:37:49.340 INFO [stderr]    |
Nov 27 16:37:49.340 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 27 16:37:49.340 INFO [stderr] 
Nov 27 16:37:49.340 INFO [stderr] warning: unused variable: `data`
Nov 27 16:37:49.340 INFO [stderr]   --> benches/channels.rs:29:9
Nov 27 16:37:49.340 INFO [stderr]    |
Nov 27 16:37:49.340 INFO [stderr] 29 |     let data = data.clone();
Nov 27 16:37:49.340 INFO [stderr]    |         ^^^^ help: consider using `_data` instead
Nov 27 16:37:49.340 INFO [stderr] 
Nov 27 16:37:49.384 INFO [stderr] error: Could not compile `benchmarks`.
Nov 27 16:37:49.384 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 27 16:37:49.400 INFO [stderr] error[E0635]: unknown feature `heap_api`
Nov 27 16:37:49.400 INFO [stderr]  --> benches/channels.rs:1:25
Nov 27 16:37:49.400 INFO [stderr]   |
Nov 27 16:37:49.400 INFO [stderr] 1 | #![feature(test, alloc, heap_api)]
Nov 27 16:37:49.400 INFO [stderr]   |                         ^^^^^^^^
Nov 27 16:37:49.416 INFO [stderr] 
Nov 27 16:37:49.416 INFO [stderr] error: aborting due to previous error
Nov 27 16:37:49.432 INFO [stderr] 
Nov 27 16:37:49.432 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Nov 27 16:37:49.440 INFO [stderr] error: Could not compile `benchmarks`.
Nov 27 16:37:49.440 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Nov 27 16:37:49.484 INFO [stderr] error[E0635]: unknown feature `str_char`
Nov 27 16:37:49.484 INFO [stderr]  --> benches/char_at.rs:2:12
Nov 27 16:37:49.484 INFO [stderr]   |
Nov 27 16:37:49.484 INFO [stderr] 2 | #![feature(str_char)]
Nov 27 16:37:49.484 INFO [stderr]   |            ^^^^^^^^
Nov 27 16:37:49.484 INFO [stderr] 
Nov 27 16:37:49.484 INFO [stderr] error: aborting due to previous error
Nov 27 16:37:49.484 INFO [stderr] 
Nov 27 16:37:49.484 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Nov 27 16:37:49.499 INFO [stderr] error: Could not compile `benchmarks`.
Nov 27 16:37:49.499 INFO [stderr] 
Nov 27 16:37:49.499 INFO [stderr] To learn more, run the command again with --verbose.
Nov 27 16:37:49.501 INFO [stderr] su: No module specific data is present
Nov 27 16:37:50.511 INFO running `"docker" "inspect" "200f202c647b6a0ed3fe3ee456da76e1edf501e12cb4eeefc5a0081e5aa1f6d2"`
Nov 27 16:37:50.844 INFO running `"docker" "rm" "-f" "200f202c647b6a0ed3fe3ee456da76e1edf501e12cb4eeefc5a0081e5aa1f6d2"`
Nov 27 16:37:51.172 INFO [stdout] 200f202c647b6a0ed3fe3ee456da76e1edf501e12cb4eeefc5a0081e5aa1f6d2