[INFO] cloning repository Cyclic3/primefinder
[INFO] running `"git" "clone" "--bare" "git://github.com/Cyclic3/primefinder.git" "work/cache/sources/gh/Cyclic3/primefinder"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Cyclic3/primefinder'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Cyclic3/primefinder" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Cyclic3/primefinder"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Cyclic3/primefinder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Cyclic3/primefinder" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Cyclic3/primefinder"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Cyclic3/primefinder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6058b00766fb672b1fb866bfa408ac40dcfa28da
[INFO] sha for GitHub repo Cyclic3/primefinder: 6058b00766fb672b1fb866bfa408ac40dcfa28da
[INFO] validating manifest of Cyclic3/primefinder 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 Cyclic3/primefinder 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 Cyclic3/primefinder
[INFO] finished frobbing Cyclic3/primefinder
[INFO] frobbed toml for Cyclic3/primefinder written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Cyclic3/primefinder/Cargo.toml
[INFO] started frobbing Cyclic3/primefinder
[INFO] finished frobbing Cyclic3/primefinder
[INFO] frobbed toml for Cyclic3/primefinder written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Cyclic3/primefinder/Cargo.toml
[INFO] crate Cyclic3/primefinder 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 Cyclic3/primefinder against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Cyclic3/primefinder:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] c10f820070e1aa20603a91023d30f76711d40c7b4b7cabb2738754ff4634c519
[INFO] running `"docker" "start" "-a" "c10f820070e1aa20603a91023d30f76711d40c7b4b7cabb2738754ff4634c519"`
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]    Compiling openssl v0.9.17
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]    Compiling primefinder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut n = match BigNum::from_dec_str(&n) { Ok(bn) => bn, _ => { println!("Bad number: {}", n); return }};
[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 8.92s
[INFO] running `"docker" "inspect" "c10f820070e1aa20603a91023d30f76711d40c7b4b7cabb2738754ff4634c519"`
[INFO] running `"docker" "rm" "-f" "c10f820070e1aa20603a91023d30f76711d40c7b4b7cabb2738754ff4634c519"`
[INFO] [stdout] c10f820070e1aa20603a91023d30f76711d40c7b4b7cabb2738754ff4634c519
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Cyclic3/primefinder:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e91e865c1ef785351b2b344496149cf2dc11cacd17264769bf3347a677e4d311
[INFO] running `"docker" "start" "-a" "e91e865c1ef785351b2b344496149cf2dc11cacd17264769bf3347a677e4d311"`
[INFO] [stderr]    Compiling primefinder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut n = match BigNum::from_dec_str(&n) { Ok(bn) => bn, _ => { println!("Bad number: {}", n); return }};
[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 0.38s
[INFO] running `"docker" "inspect" "e91e865c1ef785351b2b344496149cf2dc11cacd17264769bf3347a677e4d311"`
[INFO] running `"docker" "rm" "-f" "e91e865c1ef785351b2b344496149cf2dc11cacd17264769bf3347a677e4d311"`
[INFO] [stdout] e91e865c1ef785351b2b344496149cf2dc11cacd17264769bf3347a677e4d311
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Cyclic3/primefinder:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 43d6d5a57822c6cb2bce295377014686559e935063edde5d69ce2c02db974346
[INFO] running `"docker" "start" "-a" "43d6d5a57822c6cb2bce295377014686559e935063edde5d69ce2c02db974346"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/primefinder-574f23a276c711cc
[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" "43d6d5a57822c6cb2bce295377014686559e935063edde5d69ce2c02db974346"`
[INFO] running `"docker" "rm" "-f" "43d6d5a57822c6cb2bce295377014686559e935063edde5d69ce2c02db974346"`
[INFO] [stdout] 43d6d5a57822c6cb2bce295377014686559e935063edde5d69ce2c02db974346