[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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/camccar/Euler11"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/camccar/Euler11'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/camccar/Euler11" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/camccar/Euler11"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of camccar/Euler11 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/camccar/Euler11/Cargo.toml
[INFO] crate camccar/Euler11 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing camccar/Euler11 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 782a3bb5ef1fba53f8f262a6e6549d6a5d5b99c259099b3c1ee259e854a2aef8
[INFO] running `"docker" "start" "-a" "782a3bb5ef1fba53f8f262a6e6549d6a5d5b99c259099b3c1ee259e854a2aef8"`
[INFO] [stderr]    Compiling 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 prefixing with an underscore: `_largest`
[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 prefixing with an underscore: `_thread1`
[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 prefixing with an underscore: `_thread2`
[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 prefixing with an underscore: `_thread3`
[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 prefixing with an underscore: `_thread4`
[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 1.16s
[INFO] running `"docker" "inspect" "782a3bb5ef1fba53f8f262a6e6549d6a5d5b99c259099b3c1ee259e854a2aef8"`
[INFO] running `"docker" "rm" "-f" "782a3bb5ef1fba53f8f262a6e6549d6a5d5b99c259099b3c1ee259e854a2aef8"`
[INFO] [stdout] 782a3bb5ef1fba53f8f262a6e6549d6a5d5b99c259099b3c1ee259e854a2aef8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3e8075f968739b723451bdc71e11a60c565e52a4c930178fa414d227d8845432
[INFO] running `"docker" "start" "-a" "3e8075f968739b723451bdc71e11a60c565e52a4c930178fa414d227d8845432"`
[INFO] [stderr]    Compiling 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 prefixing with an underscore: `_largest`
[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 prefixing with an underscore: `_thread1`
[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 prefixing with an underscore: `_thread2`
[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 prefixing with an underscore: `_thread3`
[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 prefixing with an underscore: `_thread4`
[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 0.51s
[INFO] running `"docker" "inspect" "3e8075f968739b723451bdc71e11a60c565e52a4c930178fa414d227d8845432"`
[INFO] running `"docker" "rm" "-f" "3e8075f968739b723451bdc71e11a60c565e52a4c930178fa414d227d8845432"`
[INFO] [stdout] 3e8075f968739b723451bdc71e11a60c565e52a4c930178fa414d227d8845432
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 1b4760d285ba1ad2f652690710da6e59f29460c0301df1c8a1e75f3a7b052379
[INFO] running `"docker" "start" "-a" "1b4760d285ba1ad2f652690710da6e59f29460c0301df1c8a1e75f3a7b052379"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/problem11-906cd2c1ff7330e0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1b4760d285ba1ad2f652690710da6e59f29460c0301df1c8a1e75f3a7b052379"`
[INFO] running `"docker" "rm" "-f" "1b4760d285ba1ad2f652690710da6e59f29460c0301df1c8a1e75f3a7b052379"`
[INFO] [stdout] 1b4760d285ba1ad2f652690710da6e59f29460c0301df1c8a1e75f3a7b052379