[INFO] updating cached repository Jon-Davis/calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Jon-Davis/calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Jon-Davis/calc" "work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Jon-Davis/calc"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Jon-Davis/calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Jon-Davis/calc" "work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Jon-Davis/calc"`
[INFO] [stderr] Cloning into 'work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Jon-Davis/calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13b1de91d032ba24ca1775141210df957100ae33
[INFO] sha for GitHub repo Jon-Davis/calc: 13b1de91d032ba24ca1775141210df957100ae33
[INFO] validating manifest of Jon-Davis/calc on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Jon-Davis/calc on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Jon-Davis/calc
[INFO] finished frobbing Jon-Davis/calc
[INFO] frobbed toml for Jon-Davis/calc written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Jon-Davis/calc/Cargo.toml
[INFO] started frobbing Jon-Davis/calc
[INFO] finished frobbing Jon-Davis/calc
[INFO] frobbed toml for Jon-Davis/calc written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/Jon-Davis/calc/Cargo.toml
[INFO] crate Jon-Davis/calc has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Jon-Davis/calc against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 258c6b76885b3725831eee1818ebfe6334ae76f30fbd899e980e619a95e5650d
[INFO] running `"docker" "start" "-a" "258c6b76885b3725831eee1818ebfe6334ae76f30fbd899e980e619a95e5650d"`
[INFO] [stderr]     Checking calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Div`, `Rem`
[INFO] [stderr]   --> src/integer.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ops::{Add, Sub, Div, Mul, Rem, Neg};
[INFO] [stderr]    |                          ^^^       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/integer.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         if (other.negative) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Div`, `Rem`
[INFO] [stderr]   --> src/integer.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ops::{Add, Sub, Div, Mul, Rem, Neg};
[INFO] [stderr]    |                          ^^^       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/integer.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         if (other.negative) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "258c6b76885b3725831eee1818ebfe6334ae76f30fbd899e980e619a95e5650d"`
[INFO] running `"docker" "rm" "-f" "258c6b76885b3725831eee1818ebfe6334ae76f30fbd899e980e619a95e5650d"`
[INFO] [stdout] 258c6b76885b3725831eee1818ebfe6334ae76f30fbd899e980e619a95e5650d