[INFO] updating cached repository camccar/Euler11
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/camccar/Euler11
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/camccar/Euler11" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/camccar/Euler11"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/camccar/Euler11'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/camccar/Euler11" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/camccar/Euler11"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/camccar/Euler11'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 150f98cced1e3bc28692522d9dbd1f4c501230f9
[INFO] sha for GitHub repo camccar/Euler11: 150f98cced1e3bc28692522d9dbd1f4c501230f9
[INFO] validating manifest of camccar/Euler11 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of camccar/Euler11 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing camccar/Euler11
[INFO] finished frobbing camccar/Euler11
[INFO] frobbed toml for camccar/Euler11 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/camccar/Euler11/Cargo.toml
[INFO] started frobbing camccar/Euler11
[INFO] finished frobbing camccar/Euler11
[INFO] frobbed toml for camccar/Euler11 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/camccar/Euler11/Cargo.toml
[INFO] crate camccar/Euler11 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking camccar/Euler11 against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-2/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/camccar/Euler11:/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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9816afc7b452e5b225aa8df7c29d2961ccc1f6c272a5fbf0857128817c3cf50a
[INFO] running `"docker" "start" "-a" "9816afc7b452e5b225aa8df7c29d2961ccc1f6c272a5fbf0857128817c3cf50a"`
[INFO] [stderr]     Checking problem11 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `largest`
[INFO] [stderr]  --> src/main.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut largest = 0;
[INFO] [stderr]   |             ^^^^^^^ help: consider using `_largest` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread1`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let thread1 = thread::spawn(move|| {
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_thread1` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread2`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let thread2 = thread::spawn(move|| {
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_thread2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread3`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let thread3 = thread::spawn(move|| {
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_thread3` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread4`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let thread4 = thread::spawn(move|| {
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_thread4` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut largest = 0;
[INFO] [stderr]   |         ----^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `largest`
[INFO] [stderr]  --> src/main.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut largest = 0;
[INFO] [stderr]   |             ^^^^^^^ help: consider using `_largest` instead
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread1`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let thread1 = thread::spawn(move|| {
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_thread1` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread2`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let thread2 = thread::spawn(move|| {
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_thread2` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread3`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let thread3 = thread::spawn(move|| {
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_thread3` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread4`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let thread4 = thread::spawn(move|| {
[INFO] [stderr]    |         ^^^^^^^ help: consider using `_thread4` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut largest = 0;
[INFO] [stderr]   |         ----^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "9816afc7b452e5b225aa8df7c29d2961ccc1f6c272a5fbf0857128817c3cf50a"`
[INFO] running `"docker" "rm" "-f" "9816afc7b452e5b225aa8df7c29d2961ccc1f6c272a5fbf0857128817c3cf50a"`
[INFO] [stdout] 9816afc7b452e5b225aa8df7c29d2961ccc1f6c272a5fbf0857128817c3cf50a