[INFO] cloning repository https://github.com/dominikus1993/rust-project-euler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dominikus1993/rust-project-euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominikus1993%2Frust-project-euler"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominikus1993%2Frust-project-euler'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4dc5d2232a5d0028a1a4a96263da463d676f7cdd
[INFO] testing dominikus1993/rust-project-euler against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdominikus1993%2Frust-project-euler" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dominikus1993/rust-project-euler on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dominikus1993/rust-project-euler
[INFO] finished tweaking git repo https://github.com/dominikus1993/rust-project-euler
[INFO] tweaked toml for git repo https://github.com/dominikus1993/rust-project-euler written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dominikus1993/rust-project-euler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 65085d59a4b3e699337816c48c9dc053e800ac1c1faa184ce7c89ce345672ca2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "65085d59a4b3e699337816c48c9dc053e800ac1c1faa184ce7c89ce345672ca2"`
[INFO] [stderr]    Compiling rust-project-euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `rem`
[INFO] [stderr]  --> src/euler2.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fn rem(a: i32, b: i32) -> i32 {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `produce_fib`
[INFO] [stderr]  --> src/euler2.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn produce_fib() -> Vec<i32> {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]   --> src/euler2.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn solve() -> i32 {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rem`
[INFO] [stderr]  --> src/euler3.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn rem(a: i64, b: i64) -> i64 {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_prime`
[INFO] [stderr]  --> src/euler3.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn is_prime(num: i64) -> bool {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]   --> src/euler3.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn solve (num:i64) -> Option<i64> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "65085d59a4b3e699337816c48c9dc053e800ac1c1faa184ce7c89ce345672ca2"`
[INFO] running `"docker" "rm" "-f" "65085d59a4b3e699337816c48c9dc053e800ac1c1faa184ce7c89ce345672ca2"`
[INFO] [stdout] 65085d59a4b3e699337816c48c9dc053e800ac1c1faa184ce7c89ce345672ca2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32ed3becadfc4397fc6f9fef041b5488e6e5fbd8d3985ffbe85831e5edbf60b7
[INFO] running `"docker" "start" "-a" "32ed3becadfc4397fc6f9fef041b5488e6e5fbd8d3985ffbe85831e5edbf60b7"`
[INFO] [stderr]    Compiling rust-project-euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "32ed3becadfc4397fc6f9fef041b5488e6e5fbd8d3985ffbe85831e5edbf60b7"`
[INFO] running `"docker" "rm" "-f" "32ed3becadfc4397fc6f9fef041b5488e6e5fbd8d3985ffbe85831e5edbf60b7"`
[INFO] [stdout] 32ed3becadfc4397fc6f9fef041b5488e6e5fbd8d3985ffbe85831e5edbf60b7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8c560d20fd335a6d42d28955bf1d9e3c4a2973db3380287c645cf7ffeab91fd
[INFO] running `"docker" "start" "-a" "f8c560d20fd335a6d42d28955bf1d9e3c4a2973db3380287c645cf7ffeab91fd"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_project_euler-427cc8b900417c84
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test euler2::tests::test_solution ... ok
[INFO] [stdout] test euler1::tests::test_solution ... ok
[INFO] [stdout] test euler3::tests::test_solution ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f8c560d20fd335a6d42d28955bf1d9e3c4a2973db3380287c645cf7ffeab91fd"`
[INFO] running `"docker" "rm" "-f" "f8c560d20fd335a6d42d28955bf1d9e3c4a2973db3380287c645cf7ffeab91fd"`
[INFO] [stdout] f8c560d20fd335a6d42d28955bf1d9e3c4a2973db3380287c645cf7ffeab91fd