[INFO] updating cached repository https://github.com/jchevertonwynne/euler_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/jchevertonwynne/euler_rust
[INFO] [stderr]    93ba640..d3cec6c  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3cec6ca682bdbcea11c09e283687d25f13db389
[INFO] testing jchevertonwynne/euler_rust against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchevertonwynne%2Feuler_rust" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jchevertonwynne/euler_rust on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jchevertonwynne/euler_rust
[INFO] finished tweaking git repo https://github.com/jchevertonwynne/euler_rust
[INFO] tweaked toml for git repo https://github.com/jchevertonwynne/euler_rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jchevertonwynne/euler_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffc3ddcf4f0f2bb929bacecdbdc2a5c1a0644936f95a940e58ad6b13f3283731
[INFO] running `"docker" "start" "-a" "ffc3ddcf4f0f2bb929bacecdbdc2a5c1a0644936f95a940e58ad6b13f3283731"`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling euler_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `DateTime`, `NaiveDate`
[INFO] [stderr]  --> src/main.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 | use chrono::{DateTime, NaiveDate};
[INFO] [stderr]   |              ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.23s
[INFO] running `"docker" "inspect" "ffc3ddcf4f0f2bb929bacecdbdc2a5c1a0644936f95a940e58ad6b13f3283731"`
[INFO] running `"docker" "rm" "-f" "ffc3ddcf4f0f2bb929bacecdbdc2a5c1a0644936f95a940e58ad6b13f3283731"`
[INFO] [stdout] ffc3ddcf4f0f2bb929bacecdbdc2a5c1a0644936f95a940e58ad6b13f3283731
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] c4214c6088b6e6c117ff475687b33a7b239fb7b06092df6d546fe2f4e0fe05a1
[INFO] running `"docker" "start" "-a" "c4214c6088b6e6c117ff475687b33a7b239fb7b06092df6d546fe2f4e0fe05a1"`
[INFO] [stderr]    Compiling euler_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `DateTime`, `NaiveDate`
[INFO] [stderr]  --> src/main.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 | use chrono::{DateTime, NaiveDate};
[INFO] [stderr]   |              ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "c4214c6088b6e6c117ff475687b33a7b239fb7b06092df6d546fe2f4e0fe05a1"`
[INFO] running `"docker" "rm" "-f" "c4214c6088b6e6c117ff475687b33a7b239fb7b06092df6d546fe2f4e0fe05a1"`
[INFO] [stdout] c4214c6088b6e6c117ff475687b33a7b239fb7b06092df6d546fe2f4e0fe05a1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 215a94ff8f6672072c7a6176d935a2a95df4c93493c6445258b9b742db149a4d
[INFO] running `"docker" "start" "-a" "215a94ff8f6672072c7a6176d935a2a95df4c93493c6445258b9b742db149a4d"`
[INFO] [stderr] warning: unused imports: `DateTime`, `NaiveDate`
[INFO] [stderr]  --> src/main.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 | use chrono::{DateTime, NaiveDate};
[INFO] [stderr]   |              ^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euler_rust-3afa591a766ba560
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test primes::tests::should_be_able_to_add ... ok
[INFO] [stdout] test primes::tests::should_be_able_to_check_equality ... ok
[INFO] [stdout] test primes::tests::should_be_able_to_convert_back ... ok
[INFO] [stdout] test collatz::tests::builds_collatz_with_cache ... ok
[INFO] [stdout] test primes::tests::should_be_able_to_multiply ... ok
[INFO] [stdout] test primes::tests::should_be_able_to_divide ... ok
[INFO] [stdout] test utils::tests::gets_proper_divisors ... ok
[INFO] [stdout] test utils::tests::reverses_numbers ... ok
[INFO] [stdout] test primes::tests::should_build_prime_factor_set ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "215a94ff8f6672072c7a6176d935a2a95df4c93493c6445258b9b742db149a4d"`
[INFO] running `"docker" "rm" "-f" "215a94ff8f6672072c7a6176d935a2a95df4c93493c6445258b9b742db149a4d"`
[INFO] [stdout] 215a94ff8f6672072c7a6176d935a2a95df4c93493c6445258b9b742db149a4d