[INFO] cloning repository https://github.com/TrueDoughnut/ProjectEuler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrueDoughnut/ProjectEuler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueDoughnut%2FProjectEuler"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueDoughnut%2FProjectEuler'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8152c9f02c8a7494a10c82b0c067668de42c4dc
[INFO] checking TrueDoughnut/ProjectEuler against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrueDoughnut%2FProjectEuler" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrueDoughnut/ProjectEuler on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TrueDoughnut/ProjectEuler
[INFO] finished tweaking git repo https://github.com/TrueDoughnut/ProjectEuler
[INFO] tweaked toml for git repo https://github.com/TrueDoughnut/ProjectEuler written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/TrueDoughnut/ProjectEuler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d66264b0ffaf9d6a791d38e36ba9a98b058fa48010d114b6d6a93c16817f2c2c
[INFO] running `"docker" "start" "-a" "d66264b0ffaf9d6a791d38e36ba9a98b058fa48010d114b6d6a93c16817f2c2c"`
[INFO] [stderr]     Checking ProjectEuler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0106]: missing lifetime specifier
[INFO] [stderr]   --> src/harder_problems/mod.rs:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn positive_integers(n: BigInt) -> Vec<&BigInt> {
[INFO] [stderr]    |                                        ^ help: consider giving it an explicit bounded or 'static lifetime: `&'static`
[INFO] [stderr]    |
[INFO] [stderr]    = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0106`.
[INFO] [stderr] error: could not compile `ProjectEuler`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0106]: missing lifetime specifier
[INFO] [stderr]   --> src/harder_problems/mod.rs:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn positive_integers(n: BigInt) -> Vec<&BigInt> {
[INFO] [stderr]    |                                        ^ help: consider giving it an explicit bounded or 'static lifetime: `&'static`
[INFO] [stderr]    |
[INFO] [stderr]    = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0106`.
[INFO] [stderr] error: could not compile `ProjectEuler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d66264b0ffaf9d6a791d38e36ba9a98b058fa48010d114b6d6a93c16817f2c2c"`
[INFO] running `"docker" "rm" "-f" "d66264b0ffaf9d6a791d38e36ba9a98b058fa48010d114b6d6a93c16817f2c2c"`
[INFO] [stdout] d66264b0ffaf9d6a791d38e36ba9a98b058fa48010d114b6d6a93c16817f2c2c