[INFO] cloning repository matthewa150/rusty_euler
[INFO] running `"git" "clone" "--bare" "git://github.com/matthewa150/rusty_euler.git" "work/cache/sources/gh/matthewa150/rusty_euler"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/matthewa150/rusty_euler'...
[INFO] running `"git" "clone" "work/cache/sources/gh/matthewa150/rusty_euler" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/matthewa150/rusty_euler"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/matthewa150/rusty_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matthewa150/rusty_euler" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/matthewa150/rusty_euler"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/matthewa150/rusty_euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b881b96e770cf7d5afd500e68e2561dbc1895306
[INFO] sha for GitHub repo matthewa150/rusty_euler: b881b96e770cf7d5afd500e68e2561dbc1895306
[INFO] validating manifest of matthewa150/rusty_euler 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 matthewa150/rusty_euler 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 matthewa150/rusty_euler
[INFO] finished frobbing matthewa150/rusty_euler
[INFO] frobbed toml for matthewa150/rusty_euler written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/matthewa150/rusty_euler/Cargo.toml
[INFO] started frobbing matthewa150/rusty_euler
[INFO] finished frobbing matthewa150/rusty_euler
[INFO] frobbed toml for matthewa150/rusty_euler written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/matthewa150/rusty_euler/Cargo.toml
[INFO] crate matthewa150/rusty_euler 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primes v0.2.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing matthewa150/rusty_euler against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/matthewa150/rusty_euler:/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] 3966c1e8ad75b43908ef91ac99e370ddd3d794ec11791a6bc8ad9c93b705a067
[INFO] running `"docker" "start" "-a" "3966c1e8ad75b43908ef91ac99e370ddd3d794ec11791a6bc8ad9c93b705a067"`
[INFO] [stderr]    Compiling primes v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling rusty_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/question/one_ten.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 let mut flip = flip.as_mut_vec();
[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 6.28s
[INFO] running `"docker" "inspect" "3966c1e8ad75b43908ef91ac99e370ddd3d794ec11791a6bc8ad9c93b705a067"`
[INFO] running `"docker" "rm" "-f" "3966c1e8ad75b43908ef91ac99e370ddd3d794ec11791a6bc8ad9c93b705a067"`
[INFO] [stdout] 3966c1e8ad75b43908ef91ac99e370ddd3d794ec11791a6bc8ad9c93b705a067
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/matthewa150/rusty_euler:/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] c1198db0038edc7b5e4ae324ebc713d657fdb492a8ca30792854788c880e014e
[INFO] running `"docker" "start" "-a" "c1198db0038edc7b5e4ae324ebc713d657fdb492a8ca30792854788c880e014e"`
[INFO] [stderr]    Compiling rusty_euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/question/one_ten.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 let mut flip = flip.as_mut_vec();
[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 1.07s
[INFO] running `"docker" "inspect" "c1198db0038edc7b5e4ae324ebc713d657fdb492a8ca30792854788c880e014e"`
[INFO] running `"docker" "rm" "-f" "c1198db0038edc7b5e4ae324ebc713d657fdb492a8ca30792854788c880e014e"`
[INFO] [stdout] c1198db0038edc7b5e4ae324ebc713d657fdb492a8ca30792854788c880e014e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/matthewa150/rusty_euler:/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] d78cd41838d5d6105fb52dba37f96a33e4ce9f31c3d7ba33e4244c5db6c815ae
[INFO] running `"docker" "start" "-a" "d78cd41838d5d6105fb52dba37f96a33e4ce9f31c3d7ba33e4244c5db6c815ae"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty_euler-bcd1959b333cfee9
[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" "d78cd41838d5d6105fb52dba37f96a33e4ce9f31c3d7ba33e4244c5db6c815ae"`
[INFO] running `"docker" "rm" "-f" "d78cd41838d5d6105fb52dba37f96a33e4ce9f31c3d7ba33e4244c5db6c815ae"`
[INFO] [stdout] d78cd41838d5d6105fb52dba37f96a33e4ce9f31c3d7ba33e4244c5db6c815ae