Dec 18 07:04:19.470 INFO checking Jon-Davis/calc against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:04:19.470 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Jon-Davis/calc:/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 07:04:20.062 INFO [stdout] 6db0d80aeb569740c34f8b67fcafd7b69cc56a11aab06a5a57b9dc25edb436df
Dec 18 07:04:20.064 INFO running `"docker" "start" "-a" "6db0d80aeb569740c34f8b67fcafd7b69cc56a11aab06a5a57b9dc25edb436df"`
Dec 18 07:04:21.568 INFO [stderr]     Checking calc v0.1.0 (/opt/crater/workdir)
Dec 18 07:04:21.876 INFO [stderr] warning: unused imports: `Div`, `Rem`
Dec 18 07:04:21.876 INFO [stderr]   --> src/integer.rs:12:26
Dec 18 07:04:21.876 INFO [stderr]    |
Dec 18 07:04:21.876 INFO [stderr] 12 | use std::ops::{Add, Sub, Div, Mul, Rem, Neg};
Dec 18 07:04:21.876 INFO [stderr]    |                          ^^^       ^^^
Dec 18 07:04:21.876 INFO [stderr]    |
Dec 18 07:04:21.876 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 07:04:21.876 INFO [stderr] 
Dec 18 07:04:21.876 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 07:04:21.876 INFO [stderr]   --> src/integer.rs:90:12
Dec 18 07:04:21.876 INFO [stderr]    |
Dec 18 07:04:21.876 INFO [stderr] 90 |         if (other.negative) {
Dec 18 07:04:21.876 INFO [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 07:04:21.876 INFO [stderr]    |
Dec 18 07:04:21.876 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 07:04:21.877 INFO [stderr] 
Dec 18 07:04:21.940 INFO [stderr] warning: unused imports: `Div`, `Rem`
Dec 18 07:04:21.940 INFO [stderr]   --> src/integer.rs:12:26
Dec 18 07:04:21.940 INFO [stderr]    |
Dec 18 07:04:21.940 INFO [stderr] 12 | use std::ops::{Add, Sub, Div, Mul, Rem, Neg};
Dec 18 07:04:21.940 INFO [stderr]    |                          ^^^       ^^^
Dec 18 07:04:21.940 INFO [stderr]    |
Dec 18 07:04:21.940 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 07:04:21.940 INFO [stderr] 
Dec 18 07:04:21.940 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 07:04:21.940 INFO [stderr]   --> src/integer.rs:90:12
Dec 18 07:04:21.940 INFO [stderr]    |
Dec 18 07:04:21.940 INFO [stderr] 90 |         if (other.negative) {
Dec 18 07:04:21.940 INFO [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 07:04:21.940 INFO [stderr]    |
Dec 18 07:04:21.940 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 07:04:21.940 INFO [stderr] 
Dec 18 07:04:22.188 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 18 07:04:22.474 INFO running `"docker" "inspect" "6db0d80aeb569740c34f8b67fcafd7b69cc56a11aab06a5a57b9dc25edb436df"`
Dec 18 07:04:22.562 INFO running `"docker" "rm" "-f" "6db0d80aeb569740c34f8b67fcafd7b69cc56a11aab06a5a57b9dc25edb436df"`
Dec 18 07:04:22.682 INFO [stdout] 6db0d80aeb569740c34f8b67fcafd7b69cc56a11aab06a5a57b9dc25edb436df