[INFO] cloning repository jeffsmith82/strings_lists
[INFO] running `"git" "clone" "--bare" "git://github.com/jeffsmith82/strings_lists.git" "work/cache/sources/gh/jeffsmith82/strings_lists"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jeffsmith82/strings_lists'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jeffsmith82/strings_lists" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jeffsmith82/strings_lists"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jeffsmith82/strings_lists'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeffsmith82/strings_lists" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jeffsmith82/strings_lists"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jeffsmith82/strings_lists'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 938199e92d4e5336e3510e10d793f1f23fa1a19a
[INFO] sha for GitHub repo jeffsmith82/strings_lists: 938199e92d4e5336e3510e10d793f1f23fa1a19a
[INFO] validating manifest of jeffsmith82/strings_lists on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jeffsmith82/strings_lists on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jeffsmith82/strings_lists
[INFO] finished frobbing jeffsmith82/strings_lists
[INFO] frobbed toml for jeffsmith82/strings_lists written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jeffsmith82/strings_lists/Cargo.toml
[INFO] started frobbing jeffsmith82/strings_lists
[INFO] finished frobbing jeffsmith82/strings_lists
[INFO] frobbed toml for jeffsmith82/strings_lists written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jeffsmith82/strings_lists/Cargo.toml
[INFO] crate jeffsmith82/strings_lists already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jeffsmith82/strings_lists against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jeffsmith82/strings_lists:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 10715a6adb7a2574bc1de597173c5ae5f2dce6e7deccae94bfbf88d4cbe0de35
[INFO] running `"docker" "start" "-a" "10715a6adb7a2574bc1de597173c5ae5f2dce6e7deccae94bfbf88d4cbe0de35"`
[INFO] [stderr]    Compiling strings_lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut numbers2 = vec![2, 0, 16, -14, 13, 2];
[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 0.68s
[INFO] running `"docker" "inspect" "10715a6adb7a2574bc1de597173c5ae5f2dce6e7deccae94bfbf88d4cbe0de35"`
[INFO] running `"docker" "rm" "-f" "10715a6adb7a2574bc1de597173c5ae5f2dce6e7deccae94bfbf88d4cbe0de35"`
[INFO] [stdout] 10715a6adb7a2574bc1de597173c5ae5f2dce6e7deccae94bfbf88d4cbe0de35
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jeffsmith82/strings_lists:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 243e10d02a791129d9539ba3bb44319df0122d454c10fd4d24e46c2a0fe82112
[INFO] running `"docker" "start" "-a" "243e10d02a791129d9539ba3bb44319df0122d454c10fd4d24e46c2a0fe82112"`
[INFO] [stderr]    Compiling strings_lists v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut numbers2 = vec![2, 0, 16, -14, 13, 2];
[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 0.61s
[INFO] running `"docker" "inspect" "243e10d02a791129d9539ba3bb44319df0122d454c10fd4d24e46c2a0fe82112"`
[INFO] running `"docker" "rm" "-f" "243e10d02a791129d9539ba3bb44319df0122d454c10fd4d24e46c2a0fe82112"`
[INFO] [stdout] 243e10d02a791129d9539ba3bb44319df0122d454c10fd4d24e46c2a0fe82112
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jeffsmith82/strings_lists:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 18963ee460c531d4223b938c3fcd16966b09e64b2e5cb3969486769d61efc614
[INFO] running `"docker" "start" "-a" "18963ee460c531d4223b938c3fcd16966b09e64b2e5cb3969486769d61efc614"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strings_lists-3e210ab2d6efe0f0
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_largest_element ... ok
[INFO] [stdout] test tests::test_smallest_element ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "18963ee460c531d4223b938c3fcd16966b09e64b2e5cb3969486769d61efc614"`
[INFO] running `"docker" "rm" "-f" "18963ee460c531d4223b938c3fcd16966b09e64b2e5cb3969486769d61efc614"`
[INFO] [stdout] 18963ee460c531d4223b938c3fcd16966b09e64b2e5cb3969486769d61efc614