Dec 11 05:42:10.497 INFO checking yberreby/benchmarks against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 05:42:10.497 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 05:42:10.970 INFO [stdout] 98ad718bdf9a5cd4b4b0c6ca49404ce236abe9f2d98b86ed86640244d4ae0dd4
Dec 11 05:42:10.976 INFO running `"docker" "start" "-a" "98ad718bdf9a5cd4b4b0c6ca49404ce236abe9f2d98b86ed86640244d4ae0dd4"`
Dec 11 05:42:12.852 INFO [stderr] usermod: no changes
Dec 11 05:42:12.988 INFO [stderr]     Checking libc v0.2.8
Dec 11 05:42:12.988 INFO [stderr]     Checking crossbeam v0.2.10
Dec 11 05:42:13.982 INFO [stderr]     Checking rand v0.3.14
Dec 11 05:42:15.277 INFO [stderr]     Checking chan v0.1.18
Dec 11 05:42:15.824 INFO [stderr]     Checking benchmarks v0.1.0 (/source)
Dec 11 05:42:16.708 INFO [stderr] error[E0433]: failed to resolve: could not find `heap` in `alloc`
Dec 11 05:42:16.708 INFO [stderr]   --> benches/alloc.rs:11:14
Dec 11 05:42:16.708 INFO [stderr]    |
Dec 11 05:42:16.708 INFO [stderr] 11 |       alloc::heap::allocate(4, 64)
Dec 11 05:42:16.708 INFO [stderr]    |              ^^^^ could not find `heap` in `alloc`
Dec 11 05:42:16.728 INFO [stderr] 
Dec 11 05:42:16.828 INFO [stderr] error: aborting due to previous error
Dec 11 05:42:16.864 INFO [stderr] 
Dec 11 05:42:16.864 INFO [stderr] For more information about this error, try `rustc --explain E0433`.
Dec 11 05:42:16.945 INFO [stderr] error: Could not compile `benchmarks`.
Dec 11 05:42:16.945 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 05:42:16.996 INFO [stderr] warning: unused variable: `i`
Dec 11 05:42:16.996 INFO [stderr]   --> benches/bnned.rs:14:13
Dec 11 05:42:16.996 INFO [stderr]    |
Dec 11 05:42:16.996 INFO [stderr] 14 |         for i in 0..1_000_000 {
Dec 11 05:42:16.996 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 11 05:42:16.996 INFO [stderr]    |
Dec 11 05:42:16.996 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 05:42:16.996 INFO [stderr] 
Dec 11 05:42:16.996 INFO [stderr] error[E0635]: unknown feature `str_char`
Dec 11 05:42:16.996 INFO [stderr]  --> benches/char_at.rs:2:12
Dec 11 05:42:16.996 INFO [stderr]   |
Dec 11 05:42:16.996 INFO [stderr] 2 | #![feature(str_char)]
Dec 11 05:42:16.996 INFO [stderr]   |            ^^^^^^^^
Dec 11 05:42:16.996 INFO [stderr] 
Dec 11 05:42:16.996 INFO [stderr] error: aborting due to previous error
Dec 11 05:42:16.996 INFO [stderr] 
Dec 11 05:42:16.996 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 11 05:42:17.026 INFO [stderr] error[E0635]: unknown feature `str_char`
Dec 11 05:42:17.026 INFO [stderr]  --> benches/bnned.rs:2:12
Dec 11 05:42:17.026 INFO [stderr]   |
Dec 11 05:42:17.026 INFO [stderr] 2 | #![feature(str_char)]
Dec 11 05:42:17.026 INFO [stderr]   |            ^^^^^^^^
Dec 11 05:42:17.026 INFO [stderr] 
Dec 11 05:42:17.026 INFO [stderr] error: Could not compile `benchmarks`.
Dec 11 05:42:17.026 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 05:42:17.032 INFO [stderr] error: aborting due to previous error
Dec 11 05:42:17.032 INFO [stderr] 
Dec 11 05:42:17.032 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 11 05:42:17.056 INFO [stderr] error: Could not compile `benchmarks`.
Dec 11 05:42:17.056 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 05:42:17.168 INFO [stderr] warning: unused variable: `stdout`
Dec 11 05:42:17.168 INFO [stderr]   --> benches/stdio.rs:24:9
Dec 11 05:42:17.168 INFO [stderr]    |
Dec 11 05:42:17.168 INFO [stderr] 24 |     let stdout = stdout.lock();
Dec 11 05:42:17.168 INFO [stderr]    |         ^^^^^^ help: consider using `_stdout` instead
Dec 11 05:42:17.168 INFO [stderr]    |
Dec 11 05:42:17.168 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 05:42:17.168 INFO [stderr] 
Dec 11 05:42:17.184 INFO [stderr] warning: variable does not need to be mutable
Dec 11 05:42:17.184 INFO [stderr]   --> benches/stdio.rs:23:9
Dec 11 05:42:17.184 INFO [stderr]    |
Dec 11 05:42:17.184 INFO [stderr] 23 |     let mut stdout = std::io::stdout();
Dec 11 05:42:17.184 INFO [stderr]    |         ----^^^^^^
Dec 11 05:42:17.184 INFO [stderr]    |         |
Dec 11 05:42:17.184 INFO [stderr]    |         help: remove this `mut`
Dec 11 05:42:17.184 INFO [stderr]    |
Dec 11 05:42:17.184 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 05:42:17.184 INFO [stderr] 
Dec 11 05:42:17.188 INFO [stderr] warning: variable does not need to be mutable
Dec 11 05:42:17.188 INFO [stderr]   --> benches/stdio.rs:43:9
Dec 11 05:42:17.188 INFO [stderr]    |
Dec 11 05:42:17.188 INFO [stderr] 43 |     let mut stdout = io::stdout();
Dec 11 05:42:17.188 INFO [stderr]    |         ----^^^^^^
Dec 11 05:42:17.188 INFO [stderr]    |         |
Dec 11 05:42:17.188 INFO [stderr]    |         help: remove this `mut`
Dec 11 05:42:17.188 INFO [stderr] 
Dec 11 05:42:17.188 INFO [stderr] error[E0635]: unknown feature `str_char`
Dec 11 05:42:17.188 INFO [stderr]  --> benches/stdio.rs:4:12
Dec 11 05:42:17.188 INFO [stderr]   |
Dec 11 05:42:17.188 INFO [stderr] 4 | #![feature(str_char)]
Dec 11 05:42:17.188 INFO [stderr]   |            ^^^^^^^^
Dec 11 05:42:17.188 INFO [stderr] 
Dec 11 05:42:17.220 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 05:42:17.220 INFO [stderr]   --> benches/stdio.rs:35:9
Dec 11 05:42:17.220 INFO [stderr]    |
Dec 11 05:42:17.220 INFO [stderr] 35 |         stdout.write(TEST_STR.as_bytes());
Dec 11 05:42:17.220 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 05:42:17.220 INFO [stderr]    |
Dec 11 05:42:17.220 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 05:42:17.220 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 05:42:17.220 INFO [stderr] 
Dec 11 05:42:17.220 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 05:42:17.220 INFO [stderr]   --> benches/stdio.rs:46:9
Dec 11 05:42:17.220 INFO [stderr]    |
Dec 11 05:42:17.220 INFO [stderr] 46 |         stdout.write(TEST_STR.as_bytes());
Dec 11 05:42:17.220 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 05:42:17.220 INFO [stderr]    |
Dec 11 05:42:17.220 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 05:42:17.220 INFO [stderr] 
Dec 11 05:42:17.240 INFO [stderr] error: aborting due to previous error
Dec 11 05:42:17.240 INFO [stderr] 
Dec 11 05:42:17.240 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 11 05:42:17.252 INFO [stderr] error: Could not compile `benchmarks`.
Dec 11 05:42:17.252 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 11 05:42:17.286 INFO [stderr] error: build failed
Dec 11 05:42:17.287 INFO [stderr] su: No module specific data is present
Dec 11 05:42:18.686 INFO running `"docker" "inspect" "98ad718bdf9a5cd4b4b0c6ca49404ce236abe9f2d98b86ed86640244d4ae0dd4"`
Dec 11 05:42:19.018 INFO running `"docker" "rm" "-f" "98ad718bdf9a5cd4b4b0c6ca49404ce236abe9f2d98b86ed86640244d4ae0dd4"`
Dec 11 05:42:19.340 INFO [stdout] 98ad718bdf9a5cd4b4b0c6ca49404ce236abe9f2d98b86ed86640244d4ae0dd4