[INFO] updating cached repository ristew/euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ristew/euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ristew/euler" "work/ex/beta-1.38-1/sources/1.37.0/gh/ristew/euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ristew/euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ristew/euler" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ristew/euler"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ristew/euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 045a19f67e988b09440838fbfe6dea32ad83f975
[INFO] sha for GitHub repo ristew/euler: 045a19f67e988b09440838fbfe6dea32ad83f975
[INFO] validating manifest of ristew/euler on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ristew/euler on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ristew/euler
[INFO] finished frobbing ristew/euler
[INFO] frobbed toml for ristew/euler written to work/ex/beta-1.38-1/sources/1.37.0/gh/ristew/euler/Cargo.toml
[INFO] started frobbing ristew/euler
[INFO] finished frobbing ristew/euler
[INFO] frobbed toml for ristew/euler written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ristew/euler/Cargo.toml
[INFO] crate ristew/euler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ristew/euler against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ristew/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ee0e2ea92879d60ef7f14832ccf703665281e21606812c3728ca8f39876e5c0b
[INFO] running `"docker" "start" "-a" "ee0e2ea92879d60ef7f14832ccf703665281e21606812c3728ca8f39876e5c0b"`
[INFO] [stderr]    Compiling euler v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]  --> src/p12.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 |     while(numdivisors(tri) < 500) {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "ee0e2ea92879d60ef7f14832ccf703665281e21606812c3728ca8f39876e5c0b"`
[INFO] running `"docker" "rm" "-f" "ee0e2ea92879d60ef7f14832ccf703665281e21606812c3728ca8f39876e5c0b"`
[INFO] [stdout] ee0e2ea92879d60ef7f14832ccf703665281e21606812c3728ca8f39876e5c0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ristew/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 721b3bb908fbfbd7ab09bbd42228135cb4b5eb2dca94181b641fb8454abb8540
[INFO] running `"docker" "start" "-a" "721b3bb908fbfbd7ab09bbd42228135cb4b5eb2dca94181b641fb8454abb8540"`
[INFO] [stderr]    Compiling euler v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]  --> src/p12.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 |     while(numdivisors(tri) < 500) {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "721b3bb908fbfbd7ab09bbd42228135cb4b5eb2dca94181b641fb8454abb8540"`
[INFO] running `"docker" "rm" "-f" "721b3bb908fbfbd7ab09bbd42228135cb4b5eb2dca94181b641fb8454abb8540"`
[INFO] [stdout] 721b3bb908fbfbd7ab09bbd42228135cb4b5eb2dca94181b641fb8454abb8540
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ristew/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 10218433ae510f090faea4449190fa5c53402bd0785b9f2711fd26f5cbcc52e4
[INFO] running `"docker" "start" "-a" "10218433ae510f090faea4449190fa5c53402bd0785b9f2711fd26f5cbcc52e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/euler-5e14437cc62c6244
[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" "10218433ae510f090faea4449190fa5c53402bd0785b9f2711fd26f5cbcc52e4"`
[INFO] running `"docker" "rm" "-f" "10218433ae510f090faea4449190fa5c53402bd0785b9f2711fd26f5cbcc52e4"`
[INFO] [stdout] 10218433ae510f090faea4449190fa5c53402bd0785b9f2711fd26f5cbcc52e4