[INFO] updating cached repository https://github.com/benaryorg/rust-prime_generator
[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] 778eaa6f6afe9d3e2c23d67668864ecf9f8afa11
[INFO] testing benaryorg/rust-prime_generator against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenaryorg%2Frust-prime_generator" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benaryorg/rust-prime_generator on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/benaryorg/rust-prime_generator
[INFO] finished tweaking git repo https://github.com/benaryorg/rust-prime_generator
[INFO] tweaked toml for git repo https://github.com/benaryorg/rust-prime_generator written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/benaryorg/rust-prime_generator already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 33a4e366d0a67c141c3c8f83040ad5a422335de4d3912d50d2d4c51ecc52d9ce
[INFO] running `"docker" "start" "-a" "33a4e366d0a67c141c3c8f83040ad5a422335de4d3912d50d2d4c51ecc52d9ce"`
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/main.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     'outer: for i in (3..LIMIT)
[INFO] [stderr]   |                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "33a4e366d0a67c141c3c8f83040ad5a422335de4d3912d50d2d4c51ecc52d9ce"`
[INFO] running `"docker" "rm" "-f" "33a4e366d0a67c141c3c8f83040ad5a422335de4d3912d50d2d4c51ecc52d9ce"`
[INFO] [stdout] 33a4e366d0a67c141c3c8f83040ad5a422335de4d3912d50d2d4c51ecc52d9ce
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6c76172fceb9e5f2ebc868331ea21604192839d2bf74c5bd11e62555ac572931
[INFO] running `"docker" "start" "-a" "6c76172fceb9e5f2ebc868331ea21604192839d2bf74c5bd11e62555ac572931"`
[INFO] [stderr]    Compiling primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/main.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     'outer: for i in (3..LIMIT)
[INFO] [stderr]   |                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "6c76172fceb9e5f2ebc868331ea21604192839d2bf74c5bd11e62555ac572931"`
[INFO] running `"docker" "rm" "-f" "6c76172fceb9e5f2ebc868331ea21604192839d2bf74c5bd11e62555ac572931"`
[INFO] [stdout] 6c76172fceb9e5f2ebc868331ea21604192839d2bf74c5bd11e62555ac572931
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 3cb33b4d9cdc9b1f9f10b2ee708e3d0e9413f50a86567363561af3fc7d5487d6
[INFO] running `"docker" "start" "-a" "3cb33b4d9cdc9b1f9f10b2ee708e3d0e9413f50a86567363561af3fc7d5487d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/primes-91db5f021085201a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3cb33b4d9cdc9b1f9f10b2ee708e3d0e9413f50a86567363561af3fc7d5487d6"`
[INFO] running `"docker" "rm" "-f" "3cb33b4d9cdc9b1f9f10b2ee708e3d0e9413f50a86567363561af3fc7d5487d6"`
[INFO] [stdout] 3cb33b4d9cdc9b1f9f10b2ee708e3d0e9413f50a86567363561af3fc7d5487d6