[INFO] updating cached repository https://github.com/jaspajjr/rust_learning
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd5d70acf58db1cba48b6b5158bc769188ac031c
[INFO] testing jaspajjr/rust_learning against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaspajjr%2Frust_learning" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaspajjr/rust_learning on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jaspajjr/rust_learning
[INFO] finished tweaking git repo https://github.com/jaspajjr/rust_learning
[INFO] tweaked toml for git repo https://github.com/jaspajjr/rust_learning written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jaspajjr/rust_learning already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 14e4085f7de4c1db8d0bf180f84a898635441b7aabb308d58dff9ef0ba2de2c4
[INFO] running `"docker" "start" "-a" "14e4085f7de4c1db8d0bf180f84a898635441b7aabb308d58dff9ef0ba2de2c4"`
[INFO] [stderr]    Compiling sieve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: can't compare `&bool` with `bool`
[INFO] [stderr]   --> src/main.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |         if item == true {
[INFO] [stderr]    |                 ^^ no implementation for `&bool == bool`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::cmp::PartialEq<bool>` is not implemented for `&bool`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 |             for n in (i*i..num).step_by(i) {
[INFO] [stderr]    |                            ^^^ expected usize, found i32
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `sieve`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "14e4085f7de4c1db8d0bf180f84a898635441b7aabb308d58dff9ef0ba2de2c4"`
[INFO] running `"docker" "rm" "-f" "14e4085f7de4c1db8d0bf180f84a898635441b7aabb308d58dff9ef0ba2de2c4"`
[INFO] [stdout] 14e4085f7de4c1db8d0bf180f84a898635441b7aabb308d58dff9ef0ba2de2c4