[INFO] updating cached repository rockisch/project-euler-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rockisch/project-euler-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rockisch/project-euler-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/rockisch/project-euler-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/rockisch/project-euler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rockisch/project-euler-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rockisch/project-euler-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rockisch/project-euler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5b307d61eed68c012889e32498e10fba7d801f25
[INFO] sha for GitHub repo rockisch/project-euler-rust: 5b307d61eed68c012889e32498e10fba7d801f25
[INFO] validating manifest of rockisch/project-euler-rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rockisch/project-euler-rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rockisch/project-euler-rust
[INFO] finished frobbing rockisch/project-euler-rust
[INFO] frobbed toml for rockisch/project-euler-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/rockisch/project-euler-rust/Cargo.toml
[INFO] started frobbing rockisch/project-euler-rust
[INFO] finished frobbing rockisch/project-euler-rust
[INFO] frobbed toml for rockisch/project-euler-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rockisch/project-euler-rust/Cargo.toml
[INFO] crate rockisch/project-euler-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rockisch/project-euler-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing rockisch/project-euler-rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rockisch/project-euler-rust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 83d4411edfe494578fe55af3f474df5d5d6b16a4afc2a9549ada2d4de10b4f11
[INFO] running `"docker" "start" "-a" "83d4411edfe494578fe55af3f474df5d5d6b16a4afc2a9549ada2d4de10b4f11"`
[INFO] [stderr]    Compiling rust-euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `primes_until`
[INFO] [stderr]   --> src/lib.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / pub fn primes_until<T>(n: T) -> Result<Vec<T>, Box<Error>>
[INFO] [stderr] 32 | | where
[INFO] [stderr] 33 | |     T: Integer + Copy + std::fmt::Debug + TryFrom<i32>,
[INFO] [stderr] 34 | |     u8: Into<T>,
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |     Ok(primes)
[INFO] [stderr] 50 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `"docker" "inspect" "83d4411edfe494578fe55af3f474df5d5d6b16a4afc2a9549ada2d4de10b4f11"`
[INFO] running `"docker" "rm" "-f" "83d4411edfe494578fe55af3f474df5d5d6b16a4afc2a9549ada2d4de10b4f11"`
[INFO] [stdout] 83d4411edfe494578fe55af3f474df5d5d6b16a4afc2a9549ada2d4de10b4f11
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rockisch/project-euler-rust:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8675fd77aa00c1e388997d97aed8ccdd0ea5be9ae34e107265aec0fd01be3a26
[INFO] running `"docker" "start" "-a" "8675fd77aa00c1e388997d97aed8ccdd0ea5be9ae34e107265aec0fd01be3a26"`
[INFO] [stderr]    Compiling rust-euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `primes_until`
[INFO] [stderr]   --> src/lib.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / pub fn primes_until<T>(n: T) -> Result<Vec<T>, Box<Error>>
[INFO] [stderr] 32 | | where
[INFO] [stderr] 33 | |     T: Integer + Copy + std::fmt::Debug + TryFrom<i32>,
[INFO] [stderr] 34 | |     u8: Into<T>,
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |     Ok(primes)
[INFO] [stderr] 50 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "8675fd77aa00c1e388997d97aed8ccdd0ea5be9ae34e107265aec0fd01be3a26"`
[INFO] running `"docker" "rm" "-f" "8675fd77aa00c1e388997d97aed8ccdd0ea5be9ae34e107265aec0fd01be3a26"`
[INFO] [stdout] 8675fd77aa00c1e388997d97aed8ccdd0ea5be9ae34e107265aec0fd01be3a26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rockisch/project-euler-rust:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c53e0243e5bdf7ded33838da8c6fa8d222aba311791831feeab2502a511f6f55
[INFO] running `"docker" "start" "-a" "c53e0243e5bdf7ded33838da8c6fa8d222aba311791831feeab2502a511f6f55"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_euler-4194f337c2998cf1
[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] [stderr]      Running /opt/crater/target/debug/deps/rust_euler-fd97b2eec0fd5ca1
[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] [stderr]    Doc-tests rust-euler
[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" "c53e0243e5bdf7ded33838da8c6fa8d222aba311791831feeab2502a511f6f55"`
[INFO] running `"docker" "rm" "-f" "c53e0243e5bdf7ded33838da8c6fa8d222aba311791831feeab2502a511f6f55"`
[INFO] [stdout] c53e0243e5bdf7ded33838da8c6fa8d222aba311791831feeab2502a511f6f55