Oct 21 12:03:07.860 INFO checking yberreby/benchmarks against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 12:03:07.862 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-1/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192/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 21 12:03:08.260 INFO blam! 36963c48b7e4578b2280a042f464b7a88b064da746c4cef8033dceba002f87bd
Oct 21 12:03:08.272 INFO running `"docker" "start" "-a" "36963c48b7e4578b2280a042f464b7a88b064da746c4cef8033dceba002f87bd"`
Oct 21 12:03:09.776 INFO kablam! usermod: no changes
Oct 21 12:03:09.856 INFO kablam!     Checking libc v0.2.8
Oct 21 12:03:09.872 INFO kablam!     Checking crossbeam v0.2.10
Oct 21 12:03:11.155 INFO kablam!     Checking rand v0.3.14
Oct 21 12:03:12.685 INFO kablam!     Checking chan v0.1.18
Oct 21 12:03:13.281 INFO kablam!     Checking benchmarks v0.1.0 (/source)
Oct 21 12:03:14.081 INFO kablam! error[E0635]: unknown feature `str_char`
Oct 21 12:03:14.082 INFO kablam!  --> benches/char_at.rs:2:12
Oct 21 12:03:14.082 INFO kablam!   |
Oct 21 12:03:14.083 INFO kablam! 2 | #![feature(str_char)]
Oct 21 12:03:14.083 INFO kablam!   |            ^^^^^^^^
Oct 21 12:03:14.084 INFO kablam! 
Oct 21 12:03:14.092 INFO kablam! error: aborting due to previous error
Oct 21 12:03:14.093 INFO kablam! 
Oct 21 12:03:14.094 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 21 12:03:14.145 INFO kablam! warning: unused import: `std::sync::mpsc`
Oct 21 12:03:14.146 INFO kablam!  --> benches/channels.rs:9:5
Oct 21 12:03:14.146 INFO kablam!   |
Oct 21 12:03:14.148 INFO kablam! 9 | use std::sync::mpsc;
Oct 21 12:03:14.149 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 21 12:03:14.173 INFO kablam! warning: unused variable: `stdout`
Oct 21 12:03:14.173 INFO kablam!   --> benches/stdio.rs:24:9
Oct 21 12:03:14.173 INFO kablam!    |
Oct 21 12:03:14.174 INFO kablam! 24 |     let stdout = stdout.lock();
Oct 21 12:03:14.174 INFO kablam!    |         ^^^^^^ help: consider using `_stdout` instead
Oct 21 12:03:14.174 INFO kablam!   |
Oct 21 12:03:14.175 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 12:03:14.175 INFO kablam! 
Oct 21 12:03:14.176 INFO kablam!    |
Oct 21 12:03:14.176 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 12:03:14.176 INFO kablam! 
Oct 21 12:03:14.188 INFO kablam! warning: variable does not need to be mutable
Oct 21 12:03:14.189 INFO kablam!   --> benches/stdio.rs:23:9
Oct 21 12:03:14.189 INFO kablam!    |
Oct 21 12:03:14.189 INFO kablam! 23 |     let mut stdout = std::io::stdout();
Oct 21 12:03:14.189 INFO kablam!    |         ----^^^^^^
Oct 21 12:03:14.190 INFO kablam!    |         |
Oct 21 12:03:14.190 INFO kablam!    |         help: remove this `mut`
Oct 21 12:03:14.200 INFO kablam!    |
Oct 21 12:03:14.201 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 21 12:03:14.201 INFO kablam! 
Oct 21 12:03:14.204 INFO kablam! warning: variable does not need to be mutable
Oct 21 12:03:14.205 INFO kablam!   --> benches/stdio.rs:43:9
Oct 21 12:03:14.205 INFO kablam!    |
Oct 21 12:03:14.205 INFO kablam! 43 |     let mut stdout = io::stdout();
Oct 21 12:03:14.205 INFO kablam!    |         ----^^^^^^
Oct 21 12:03:14.206 INFO kablam!    |         |
Oct 21 12:03:14.206 INFO kablam!    |         help: remove this `mut`
Oct 21 12:03:14.206 INFO kablam! 
Oct 21 12:03:14.207 INFO kablam! error[E0635]: unknown feature `str_char`
Oct 21 12:03:14.207 INFO kablam!  --> benches/stdio.rs:4:12
Oct 21 12:03:14.207 INFO kablam!   |
Oct 21 12:03:14.208 INFO kablam! 4 | #![feature(str_char)]
Oct 21 12:03:14.208 INFO kablam!   |            ^^^^^^^^
Oct 21 12:03:14.216 INFO kablam! 
Oct 21 12:03:14.217 INFO kablam! error: Could not compile `benchmarks`.
Oct 21 12:03:14.217 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 21 12:03:14.265 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 21 12:03:14.265 INFO kablam!   --> benches/stdio.rs:35:9
Oct 21 12:03:14.265 INFO kablam!    |
Oct 21 12:03:14.265 INFO kablam! 35 |         stdout.write(TEST_STR.as_bytes());
Oct 21 12:03:14.265 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 12:03:14.271 INFO kablam!    |
Oct 21 12:03:14.271 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 21 12:03:14.271 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 21 12:03:14.271 INFO kablam! 
Oct 21 12:03:14.271 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 21 12:03:14.271 INFO kablam!   --> benches/stdio.rs:46:9
Oct 21 12:03:14.271 INFO kablam!    |
Oct 21 12:03:14.271 INFO kablam! 46 |         stdout.write(TEST_STR.as_bytes());
Oct 21 12:03:14.271 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 12:03:14.271 INFO kablam!    |
Oct 21 12:03:14.272 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 21 12:03:14.272 INFO kablam! 
Oct 21 12:03:14.280 INFO kablam! error: aborting due to previous error
Oct 21 12:03:14.280 INFO kablam! 
Oct 21 12:03:14.280 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 21 12:03:14.300 INFO kablam! error: Could not compile `benchmarks`.
Oct 21 12:03:14.300 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 21 12:03:14.364 INFO kablam! warning: unused variable: `i`
Oct 21 12:03:14.364 INFO kablam!   --> benches/bnned.rs:14:13
Oct 21 12:03:14.364 INFO kablam!    |
Oct 21 12:03:14.364 INFO kablam! 14 |         for i in 0..1_000_000 {
Oct 21 12:03:14.364 INFO kablam!    |             ^ help: consider using `_i` instead
Oct 21 12:03:14.364 INFO kablam!    |
Oct 21 12:03:14.364 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 12:03:14.364 INFO kablam! 
Oct 21 12:03:14.368 INFO kablam! error[E0635]: unknown feature `str_char`
Oct 21 12:03:14.368 INFO kablam!  --> benches/bnned.rs:2:12
Oct 21 12:03:14.368 INFO kablam!   |
Oct 21 12:03:14.368 INFO kablam! 2 | #![feature(str_char)]
Oct 21 12:03:14.368 INFO kablam!   |            ^^^^^^^^
Oct 21 12:03:14.368 INFO kablam! 
Oct 21 12:03:14.369 INFO kablam! error: aborting due to previous error
Oct 21 12:03:14.369 INFO kablam! 
Oct 21 12:03:14.369 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 21 12:03:14.376 INFO kablam! error: Could not compile `benchmarks`.
Oct 21 12:03:14.376 INFO kablam! warning: build failed, waiting for other jobs to finish...
Oct 21 12:03:14.400 INFO kablam! warning: unused variable: `sum`
Oct 21 12:03:14.400 INFO kablam!   --> benches/channels.rs:26:9
Oct 21 12:03:14.400 INFO kablam!    |
Oct 21 12:03:14.400 INFO kablam! 26 |     let sum = get_data_sum(data.iter().cloned());
Oct 21 12:03:14.400 INFO kablam!    |         ^^^ help: consider using `_sum` instead
Oct 21 12:03:14.400 INFO kablam!    |
Oct 21 12:03:14.400 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 12:03:14.400 INFO kablam! 
Oct 21 12:03:14.400 INFO kablam! warning: unused variable: `data`
Oct 21 12:03:14.400 INFO kablam!   --> benches/channels.rs:29:9
Oct 21 12:03:14.400 INFO kablam!    |
Oct 21 12:03:14.400 INFO kablam! 29 |     let data = data.clone();
Oct 21 12:03:14.400 INFO kablam!    |         ^^^^ help: consider using `_data` instead
Oct 21 12:03:14.400 INFO kablam! 
Oct 21 12:03:14.413 INFO kablam! error[E0635]: unknown feature `heap_api`
Oct 21 12:03:14.413 INFO kablam!  --> benches/channels.rs:1:25
Oct 21 12:03:14.413 INFO kablam!   |
Oct 21 12:03:14.413 INFO kablam! 1 | #![feature(test, alloc, heap_api)]
Oct 21 12:03:14.413 INFO kablam!   |                         ^^^^^^^^
Oct 21 12:03:14.413 INFO kablam! 
Oct 21 12:03:14.420 INFO kablam! error: aborting due to previous error
Oct 21 12:03:14.420 INFO kablam! 
Oct 21 12:03:14.420 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Oct 21 12:03:14.441 INFO kablam! error: Could not compile `benchmarks`.
Oct 21 12:03:14.441 INFO kablam! 
Oct 21 12:03:14.441 INFO kablam! To learn more, run the command again with --verbose.
Oct 21 12:03:14.445 INFO kablam! su: No module specific data is present
Oct 21 12:03:15.508 INFO running `"docker" "rm" "-f" "36963c48b7e4578b2280a042f464b7a88b064da746c4cef8033dceba002f87bd"`
Oct 21 12:03:15.972 INFO blam! 36963c48b7e4578b2280a042f464b7a88b064da746c4cef8033dceba002f87bd