Oct 12 10:22:53.726 INFO checking yberreby/benchmarks against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 10:22:53.728 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 10:22:54.310 INFO blam! 57824af05debc596f62ab3e7a534e67b9f0f19e29a31ffcde4652d11f5e2fa46
Oct 12 10:22:54.312 INFO running `"docker" "start" "-a" "57824af05debc596f62ab3e7a534e67b9f0f19e29a31ffcde4652d11f5e2fa46"`
Oct 12 10:22:56.104 INFO kablam! usermod: no changes
Oct 12 10:22:56.147 INFO kablam!     Checking libc v0.2.8
Oct 12 10:22:56.152 INFO kablam!     Checking crossbeam v0.2.10
Oct 12 10:22:57.405 INFO kablam!     Checking rand v0.3.14
Oct 12 10:22:58.732 INFO kablam!     Checking chan v0.1.18
Oct 12 10:22:59.437 INFO kablam!     Checking benchmarks v0.1.0 (/source)
Oct 12 10:23:00.069 INFO kablam! error[E0433]: failed to resolve. Could not find `heap` in `alloc`
Oct 12 10:23:00.069 INFO kablam!   --> benches/alloc.rs:11:14
Oct 12 10:23:00.069 INFO kablam!    |
Oct 12 10:23:00.069 INFO kablam! 11 |       alloc::heap::allocate(4, 64)
Oct 12 10:23:00.069 INFO kablam!    |              ^^^^ Could not find `heap` in `alloc`
Oct 12 10:23:00.069 INFO kablam! 
Oct 12 10:23:00.208 INFO kablam! error: aborting due to previous error
Oct 12 10:23:00.209 INFO kablam! 
Oct 12 10:23:00.212 INFO kablam! For more information about this error, try `rustc --explain E0433`.
Oct 12 10:23:00.273 INFO kablam! error: Could not compile `benchmarks`.
Oct 12 10:23:00.273 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 12 10:23:00.404 INFO kablam! error[E0635]: unknown feature `str_char`
Oct 12 10:23:00.404 INFO kablam!  --> benches/char_at.rs:2:12
Oct 12 10:23:00.404 INFO kablam!   |
Oct 12 10:23:00.404 INFO kablam! 2 | #![feature(str_char)]
Oct 12 10:23:00.404 INFO kablam!   |            ^^^^^^^^
Oct 12 10:23:00.404 INFO kablam! 
Oct 12 10:23:00.428 INFO kablam! warning: unused variable: `i`
Oct 12 10:23:00.428 INFO kablam!   --> benches/bnned.rs:14:13
Oct 12 10:23:00.428 INFO kablam!    |
Oct 12 10:23:00.428 INFO kablam! 14 |         for i in 0..1_000_000 {
Oct 12 10:23:00.429 INFO kablam!    |             ^ help: consider using `_i` instead
Oct 12 10:23:00.429 INFO kablam!    |
Oct 12 10:23:00.429 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:23:00.429 INFO kablam! 
Oct 12 10:23:00.445 INFO kablam! error[E0635]: unknown feature `str_char`
Oct 12 10:23:00.445 INFO kablam!  --> benches/bnned.rs:2:12
Oct 12 10:23:00.445 INFO kablam!   |
Oct 12 10:23:00.445 INFO kablam! 2 | #![feature(str_char)]
Oct 12 10:23:00.445 INFO kablam!   |            ^^^^^^^^
Oct 12 10:23:00.445 INFO kablam! 
Oct 12 10:23:00.447 INFO kablam! error: aborting due to previous error
Oct 12 10:23:00.447 INFO kablam! 
Oct 12 10:23:00.447 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 12 10:23:00.456 INFO kablam! error: aborting due to previous error
Oct 12 10:23:00.456 INFO kablam! 
Oct 12 10:23:00.456 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 12 10:23:00.482 INFO kablam! error: Could not compile `benchmarks`.
Oct 12 10:23:00.482 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 12 10:23:00.483 INFO kablam! error: Could not compile `benchmarks`.
Oct 12 10:23:00.483 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 12 10:23:00.489 INFO kablam! warning: unused variable: `stdout`
Oct 12 10:23:00.489 INFO kablam!   --> benches/stdio.rs:24:9
Oct 12 10:23:00.489 INFO kablam!    |
Oct 12 10:23:00.489 INFO kablam! 24 |     let stdout = stdout.lock();
Oct 12 10:23:00.489 INFO kablam!    |         ^^^^^^ help: consider using `_stdout` instead
Oct 12 10:23:00.490 INFO kablam!    |
Oct 12 10:23:00.490 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 10:23:00.490 INFO kablam! 
Oct 12 10:23:00.497 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:23:00.498 INFO kablam!   --> benches/stdio.rs:23:9
Oct 12 10:23:00.498 INFO kablam!    |
Oct 12 10:23:00.498 INFO kablam! 23 |     let mut stdout = std::io::stdout();
Oct 12 10:23:00.498 INFO kablam!    |         ----^^^^^^
Oct 12 10:23:00.498 INFO kablam!    |         |
Oct 12 10:23:00.498 INFO kablam!    |         help: remove this `mut`
Oct 12 10:23:00.509 INFO kablam!    |
Oct 12 10:23:00.509 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 10:23:00.509 INFO kablam! 
Oct 12 10:23:00.511 INFO kablam! warning: variable does not need to be mutable
Oct 12 10:23:00.512 INFO kablam!   --> benches/stdio.rs:43:9
Oct 12 10:23:00.512 INFO kablam!    |
Oct 12 10:23:00.512 INFO kablam! 43 |     let mut stdout = io::stdout();
Oct 12 10:23:00.512 INFO kablam!    |         ----^^^^^^
Oct 12 10:23:00.512 INFO kablam!    |         |
Oct 12 10:23:00.512 INFO kablam!    |         help: remove this `mut`
Oct 12 10:23:00.512 INFO kablam! 
Oct 12 10:23:00.513 INFO kablam! error[E0635]: unknown feature `str_char`
Oct 12 10:23:00.513 INFO kablam!  --> benches/stdio.rs:4:12
Oct 12 10:23:00.513 INFO kablam!   |
Oct 12 10:23:00.513 INFO kablam! 4 | #![feature(str_char)]
Oct 12 10:23:00.513 INFO kablam!   |            ^^^^^^^^
Oct 12 10:23:00.513 INFO kablam! 
Oct 12 10:23:00.540 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 10:23:00.540 INFO kablam!   --> benches/stdio.rs:35:9
Oct 12 10:23:00.540 INFO kablam!    |
Oct 12 10:23:00.540 INFO kablam! 35 |         stdout.write(TEST_STR.as_bytes());
Oct 12 10:23:00.540 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:23:00.558 INFO kablam!    |
Oct 12 10:23:00.558 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 10:23:00.559 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 10:23:00.559 INFO kablam! 
Oct 12 10:23:00.576 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 10:23:00.576 INFO kablam!   --> benches/stdio.rs:46:9
Oct 12 10:23:00.576 INFO kablam!    |
Oct 12 10:23:00.577 INFO kablam! 46 |         stdout.write(TEST_STR.as_bytes());
Oct 12 10:23:00.577 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:23:00.577 INFO kablam!    |
Oct 12 10:23:00.577 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 10:23:00.577 INFO kablam! 
Oct 12 10:23:00.580 INFO kablam! error: aborting due to previous error
Oct 12 10:23:00.581 INFO kablam! 
Oct 12 10:23:00.581 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 12 10:23:00.601 INFO kablam! error: Could not compile `benchmarks`.
Oct 12 10:23:00.601 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 12 10:23:00.842 INFO kablam! error: build failed
Oct 12 10:23:00.843 INFO kablam! su: No module specific data is present
Oct 12 10:23:01.825 INFO running `"docker" "rm" "-f" "57824af05debc596f62ab3e7a534e67b9f0f19e29a31ffcde4652d11f5e2fa46"`
Oct 12 10:23:02.169 INFO blam! 57824af05debc596f62ab3e7a534e67b9f0f19e29a31ffcde4652d11f5e2fa46