Dec 18 16:25:59.646 INFO checking follow-0.1.5 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:25:59.646 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/follow/0.1.5:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:25:59.871 INFO [stdout] e5ada53cc61517d306f65c1ff4c057218d3f7f0768b1b556c2dd625e69ae2a65
Dec 18 16:25:59.873 INFO running `"docker" "start" "-a" "e5ada53cc61517d306f65c1ff4c057218d3f7f0768b1b556c2dd625e69ae2a65"`
Dec 18 16:26:00.526 INFO [stderr]     Checking fern v0.3.5
Dec 18 16:26:00.526 INFO [stderr]     Checking pulse v0.5.3
Dec 18 16:26:00.970 INFO [stderr]     Checking follow v0.1.5 (/opt/crater/workdir)
Dec 18 16:26:00.981 INFO [stderr]     Checking timebomb v0.1.2
Dec 18 16:26:01.597 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 16:26:01.597 INFO [stderr]    --> src/worker.rs:180:27
Dec 18 16:26:01.597 INFO [stderr]     |
Dec 18 16:26:01.597 INFO [stderr] 180 |                 return Ok((cursor..len));
Dec 18 16:26:01.597 INFO [stderr]     |                           ^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 16:26:01.597 INFO [stderr]     |
Dec 18 16:26:01.597 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 16:26:01.597 INFO [stderr] 
Dec 18 16:26:01.597 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 16:26:01.597 INFO [stderr]    --> src/worker.rs:189:27
Dec 18 16:26:01.597 INFO [stderr]     |
Dec 18 16:26:01.597 INFO [stderr] 189 |                 return Ok((0..len));
Dec 18 16:26:01.597 INFO [stderr]     |                           ^^^^^^^^ help: remove these parentheses
Dec 18 16:26:01.597 INFO [stderr] 
Dec 18 16:26:02.004 INFO [stderr] warning: method is never used: `is_verbose`
Dec 18 16:26:02.004 INFO [stderr]   --> src/args.rs:32:5
Dec 18 16:26:02.004 INFO [stderr]    |
Dec 18 16:26:02.004 INFO [stderr] 32 |     pub fn is_verbose(&self) -> bool {
Dec 18 16:26:02.004 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:26:02.004 INFO [stderr]    |
Dec 18 16:26:02.004 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 16:26:02.004 INFO [stderr] 
Dec 18 16:26:02.121 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 16:26:02.121 INFO [stderr]    --> src/worker.rs:180:27
Dec 18 16:26:02.121 INFO [stderr]     |
Dec 18 16:26:02.121 INFO [stderr] 180 |                 return Ok((cursor..len));
Dec 18 16:26:02.121 INFO [stderr]     |                           ^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 16:26:02.121 INFO [stderr]     |
Dec 18 16:26:02.121 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 16:26:02.121 INFO [stderr] 
Dec 18 16:26:02.121 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 16:26:02.121 INFO [stderr]    --> src/worker.rs:189:27
Dec 18 16:26:02.121 INFO [stderr]     |
Dec 18 16:26:02.121 INFO [stderr] 189 |                 return Ok((0..len));
Dec 18 16:26:02.121 INFO [stderr]     |                           ^^^^^^^^ help: remove these parentheses
Dec 18 16:26:02.121 INFO [stderr] 
Dec 18 16:26:02.121 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 16:26:02.121 INFO [stderr]    --> src/worker.rs:658:46
Dec 18 16:26:02.121 INFO [stderr]     |
Dec 18 16:26:02.121 INFO [stderr] 658 |             let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1));
Dec 18 16:26:02.121 INFO [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 16:26:02.121 INFO [stderr] 
Dec 18 16:26:02.660 INFO [stderr] warning: method is never used: `is_verbose`
Dec 18 16:26:02.660 INFO [stderr]   --> src/args.rs:32:5
Dec 18 16:26:02.660 INFO [stderr]    |
Dec 18 16:26:02.660 INFO [stderr] 32 |     pub fn is_verbose(&self) -> bool {
Dec 18 16:26:02.660 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:26:02.660 INFO [stderr]    |
Dec 18 16:26:02.660 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 16:26:02.660 INFO [stderr] 
Dec 18 16:26:02.723 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
Dec 18 16:26:03.270 INFO running `"docker" "inspect" "e5ada53cc61517d306f65c1ff4c057218d3f7f0768b1b556c2dd625e69ae2a65"`
Dec 18 16:26:03.378 INFO running `"docker" "rm" "-f" "e5ada53cc61517d306f65c1ff4c057218d3f7f0768b1b556c2dd625e69ae2a65"`
Dec 18 16:26:03.544 INFO [stdout] e5ada53cc61517d306f65c1ff4c057218d3f7f0768b1b556c2dd625e69ae2a65