[INFO] updating cached repository asampley/project-euler-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/asampley/project-euler-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/asampley/project-euler-rust" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/asampley/project-euler-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/asampley/project-euler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/asampley/project-euler-rust" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/asampley/project-euler-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/asampley/project-euler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a5cb66573e0496e2c67931d950e764ade6bc58b6
[INFO] sha for GitHub repo asampley/project-euler-rust: a5cb66573e0496e2c67931d950e764ade6bc58b6
[INFO] validating manifest of asampley/project-euler-rust on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of asampley/project-euler-rust on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing asampley/project-euler-rust
[INFO] finished frobbing asampley/project-euler-rust
[INFO] frobbed toml for asampley/project-euler-rust written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/asampley/project-euler-rust/Cargo.toml
[INFO] started frobbing asampley/project-euler-rust
[INFO] finished frobbing asampley/project-euler-rust
[INFO] frobbed toml for asampley/project-euler-rust written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/asampley/project-euler-rust/Cargo.toml
[INFO] crate asampley/project-euler-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking asampley/project-euler-rust against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-2/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/asampley/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=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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 18e9b84502cd8a067e78afa01225e78e4dd10bdffa14fdf0dc6a5969af25f544
[INFO] running `"docker" "start" "-a" "18e9b84502cd8a067e78afa01225e78e4dd10bdffa14fdf0dc6a5969af25f544"`
[INFO] [stderr]     Checking project-euler-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]  --> src/macros.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / macro_rules! mods {
[INFO] [stderr] 3 | |     ( $( $x:ident ),* ) => ( $(mod $x;)* );
[INFO] [stderr] 4 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]  --> src/macros.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / macro_rules! mods {
[INFO] [stderr] 3 | |     ( $( $x:ident ),* ) => ( $(mod $x;)* );
[INFO] [stderr] 4 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_prime`
[INFO] [stderr]   --> src/numbers/prime.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn is_prime(&mut self, x: u64) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_prime`
[INFO] [stderr]   --> src/numbers/prime.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn is_prime(&mut self, x: u64) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "18e9b84502cd8a067e78afa01225e78e4dd10bdffa14fdf0dc6a5969af25f544"`
[INFO] running `"docker" "rm" "-f" "18e9b84502cd8a067e78afa01225e78e4dd10bdffa14fdf0dc6a5969af25f544"`
[INFO] [stdout] 18e9b84502cd8a067e78afa01225e78e4dd10bdffa14fdf0dc6a5969af25f544