Nov 03 06:31:52.022 INFO checking ixlist-0.1.0 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 06:31:52.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-4/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 06:31:52.204 INFO blam! 1a5b64d001939f6406c7cb557d5798323ef96a83b44fd9070afcffdccee8629a
Nov 03 06:31:52.207 INFO running `"docker" "start" "-a" "1a5b64d001939f6406c7cb557d5798323ef96a83b44fd9070afcffdccee8629a"`
Nov 03 06:31:52.816 INFO kablam! usermod: no changes
Nov 03 06:31:52.884 INFO kablam!     Checking ixlist v0.1.0 (/source)
Nov 03 06:31:55.504 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 03 06:31:55.505 INFO kablam!   --> benches/bench1.rs:26:18
Nov 03 06:31:55.505 INFO kablam!    |
Nov 03 06:31:55.505 INFO kablam! 26 |         for _ in (0..n) {
Nov 03 06:31:55.506 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Nov 03 06:31:55.506 INFO kablam!    |
Nov 03 06:31:55.506 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 03 06:31:55.507 INFO kablam! 
Nov 03 06:31:55.507 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 03 06:31:55.507 INFO kablam!   --> benches/bench1.rs:38:18
Nov 03 06:31:55.508 INFO kablam!    |
Nov 03 06:31:55.508 INFO kablam! 38 |         for _ in (0..n) {
Nov 03 06:31:55.508 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Nov 03 06:31:55.509 INFO kablam! 
Nov 03 06:31:55.509 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 03 06:31:55.509 INFO kablam!   --> benches/bench1.rs:66:18
Nov 03 06:31:55.510 INFO kablam!    |
Nov 03 06:31:55.510 INFO kablam! 66 |         for _ in (0..n) {
Nov 03 06:31:55.510 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Nov 03 06:31:55.511 INFO kablam! 
Nov 03 06:31:55.511 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 03 06:31:55.511 INFO kablam!   --> benches/bench1.rs:78:18
Nov 03 06:31:55.512 INFO kablam!    |
Nov 03 06:31:55.512 INFO kablam! 78 |         for _ in (0..n) {
Nov 03 06:31:55.512 INFO kablam!    |                  ^^^^^^ help: remove these parentheses
Nov 03 06:31:55.513 INFO kablam! 
Nov 03 06:31:55.513 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 03 06:31:55.513 INFO kablam!   --> benches/bench1.rs:90:14
Nov 03 06:31:55.514 INFO kablam!    |
Nov 03 06:31:55.514 INFO kablam! 90 |     for _ in (0..n) {
Nov 03 06:31:55.514 INFO kablam!    |              ^^^^^^ help: remove these parentheses
Nov 03 06:31:55.515 INFO kablam! 
Nov 03 06:31:55.515 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 03 06:31:55.515 INFO kablam!    --> benches/bench1.rs:110:14
Nov 03 06:31:55.516 INFO kablam!     |
Nov 03 06:31:55.516 INFO kablam! 110 |     for _ in (0..n) {
Nov 03 06:31:55.516 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Nov 03 06:31:55.516 INFO kablam! 
Nov 03 06:31:55.517 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 03 06:31:55.517 INFO kablam!    --> benches/bench1.rs:131:14
Nov 03 06:31:55.517 INFO kablam!     |
Nov 03 06:31:55.518 INFO kablam! 131 |     for _ in (0..n) {
Nov 03 06:31:55.518 INFO kablam!     |              ^^^^^^ help: remove these parentheses
Nov 03 06:31:55.518 INFO kablam! 
Nov 03 06:31:55.932 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
Nov 03 06:31:55.944 INFO kablam! su: No module specific data is present
Nov 03 06:31:56.864 INFO running `"docker" "rm" "-f" "1a5b64d001939f6406c7cb557d5798323ef96a83b44fd9070afcffdccee8629a"`
Nov 03 06:31:57.132 INFO blam! 1a5b64d001939f6406c7cb557d5798323ef96a83b44fd9070afcffdccee8629a