Dec 19 05:06:38.881 INFO checking yberreby/benchmarks against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:06:38.881 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/yberreby/benchmarks:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:06:39.387 INFO [stdout] 6b7283b21e3b389b5cafd361a98cfe6901cd6bea6e7e1c5258f9f2ea2c107226
Dec 19 05:06:39.389 INFO running `"docker" "start" "-a" "6b7283b21e3b389b5cafd361a98cfe6901cd6bea6e7e1c5258f9f2ea2c107226"`
Dec 19 05:06:41.632 INFO [stderr]     Checking libc v0.2.8
Dec 19 05:06:41.632 INFO [stderr]     Checking crossbeam v0.2.10
Dec 19 05:06:42.586 INFO [stderr]     Checking rand v0.3.14
Dec 19 05:06:43.898 INFO [stderr]     Checking chan v0.1.18
Dec 19 05:06:44.426 INFO [stderr]     Checking benchmarks v0.1.0 (/opt/crater/workdir)
Dec 19 05:06:44.994 INFO [stderr] warning: unused variable: `i`
Dec 19 05:06:44.995 INFO [stderr]   --> benches/bnned.rs:14:13
Dec 19 05:06:44.995 INFO [stderr]    |
Dec 19 05:06:44.995 INFO [stderr] 14 |         for i in 0..1_000_000 {
Dec 19 05:06:44.995 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 19 05:06:44.995 INFO [stderr]    |
Dec 19 05:06:44.995 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 05:06:44.995 INFO [stderr] 
Dec 19 05:06:45.004 INFO [stderr] error[E0635]: unknown feature `str_char`
Dec 19 05:06:45.004 INFO [stderr]  --> benches/bnned.rs:2:12
Dec 19 05:06:45.005 INFO [stderr]   |
Dec 19 05:06:45.005 INFO [stderr] 2 | #![feature(str_char)]
Dec 19 05:06:45.005 INFO [stderr]   |            ^^^^^^^^
Dec 19 05:06:45.012 INFO [stderr] error[E0433]: failed to resolve: could not find `heap` in `alloc`
Dec 19 05:06:45.012 INFO [stderr]   --> benches/alloc.rs:11:14
Dec 19 05:06:45.012 INFO [stderr]    |
Dec 19 05:06:45.012 INFO [stderr] 11 |       alloc::heap::allocate(4, 64)
Dec 19 05:06:45.012 INFO [stderr]    |              ^^^^ could not find `heap` in `alloc`
Dec 19 05:06:45.024 INFO [stderr] 
Dec 19 05:06:45.027 INFO [stderr] error: aborting due to previous error
Dec 19 05:06:45.027 INFO [stderr] 
Dec 19 05:06:45.043 INFO [stderr] warning: unused import: `std::sync::mpsc`
Dec 19 05:06:45.043 INFO [stderr]  --> benches/channels.rs:9:5
Dec 19 05:06:45.043 INFO [stderr]   |
Dec 19 05:06:45.043 INFO [stderr] 9 | use std::sync::mpsc;
Dec 19 05:06:45.043 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 05:06:45.043 INFO [stderr]   |
Dec 19 05:06:45.060 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 05:06:45.060 INFO [stderr] 
Dec 19 05:06:45.060 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 19 05:06:45.060 INFO [stderr] 
Dec 19 05:06:45.085 INFO [stderr] error: Could not compile `benchmarks`.
Dec 19 05:06:45.085 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 05:06:45.120 INFO [stderr] error: aborting due to previous error
Dec 19 05:06:45.120 INFO [stderr] 
Dec 19 05:06:45.120 INFO [stderr] For more information about this error, try `rustc --explain E0433`.
Dec 19 05:06:45.149 INFO [stderr] error: Could not compile `benchmarks`.
Dec 19 05:06:45.149 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 05:06:45.248 INFO [stderr] warning: unused variable: `sum`
Dec 19 05:06:45.248 INFO [stderr]   --> benches/channels.rs:26:9
Dec 19 05:06:45.248 INFO [stderr]    |
Dec 19 05:06:45.248 INFO [stderr] 26 |     let sum = get_data_sum(data.iter().cloned());
Dec 19 05:06:45.249 INFO [stderr]    |         ^^^ help: consider using `_sum` instead
Dec 19 05:06:45.249 INFO [stderr]    |
Dec 19 05:06:45.249 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 05:06:45.249 INFO [stderr] 
Dec 19 05:06:45.260 INFO [stderr] warning: unused variable: `data`
Dec 19 05:06:45.260 INFO [stderr]   --> benches/channels.rs:29:9
Dec 19 05:06:45.260 INFO [stderr]    |
Dec 19 05:06:45.260 INFO [stderr] 29 |     let data = data.clone();
Dec 19 05:06:45.260 INFO [stderr]    |         ^^^^ help: consider using `_data` instead
Dec 19 05:06:45.260 INFO [stderr] 
Dec 19 05:06:45.288 INFO [stderr] error[E0635]: unknown feature `heap_api`
Dec 19 05:06:45.288 INFO [stderr]  --> benches/channels.rs:1:25
Dec 19 05:06:45.288 INFO [stderr]   |
Dec 19 05:06:45.288 INFO [stderr] 1 | #![feature(test, alloc, heap_api)]
Dec 19 05:06:45.288 INFO [stderr]   |                         ^^^^^^^^
Dec 19 05:06:45.288 INFO [stderr] 
Dec 19 05:06:45.307 INFO [stderr] error: aborting due to previous error
Dec 19 05:06:45.307 INFO [stderr] 
Dec 19 05:06:45.308 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 19 05:06:45.348 INFO [stderr] error: Could not compile `benchmarks`.
Dec 19 05:06:45.348 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 19 05:06:45.497 INFO [stderr] error: build failed
Dec 19 05:06:47.036 INFO running `"docker" "inspect" "6b7283b21e3b389b5cafd361a98cfe6901cd6bea6e7e1c5258f9f2ea2c107226"`
Dec 19 05:06:47.282 INFO running `"docker" "rm" "-f" "6b7283b21e3b389b5cafd361a98cfe6901cd6bea6e7e1c5258f9f2ea2c107226"`
Dec 19 05:06:47.624 INFO [stdout] 6b7283b21e3b389b5cafd361a98cfe6901cd6bea6e7e1c5258f9f2ea2c107226