[INFO] cloning repository AlexVPopov/rust_in_other_languages
[INFO] running `"git" "clone" "--bare" "git://github.com/AlexVPopov/rust_in_other_languages.git" "work/cache/sources/gh/AlexVPopov/rust_in_other_languages"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/AlexVPopov/rust_in_other_languages'...
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexVPopov/rust_in_other_languages" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/AlexVPopov/rust_in_other_languages"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/AlexVPopov/rust_in_other_languages'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AlexVPopov/rust_in_other_languages" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/AlexVPopov/rust_in_other_languages"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/AlexVPopov/rust_in_other_languages'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd0c169e64ac1ba7e8194665d8f1dd006a551c45
[INFO] sha for GitHub repo AlexVPopov/rust_in_other_languages: bd0c169e64ac1ba7e8194665d8f1dd006a551c45
[INFO] validating manifest of AlexVPopov/rust_in_other_languages on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AlexVPopov/rust_in_other_languages on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AlexVPopov/rust_in_other_languages
[INFO] finished frobbing AlexVPopov/rust_in_other_languages
[INFO] frobbed toml for AlexVPopov/rust_in_other_languages written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/AlexVPopov/rust_in_other_languages/Cargo.toml
[INFO] started frobbing AlexVPopov/rust_in_other_languages
[INFO] finished frobbing AlexVPopov/rust_in_other_languages
[INFO] frobbed toml for AlexVPopov/rust_in_other_languages written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/AlexVPopov/rust_in_other_languages/Cargo.toml
[INFO] crate AlexVPopov/rust_in_other_languages already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking AlexVPopov/rust_in_other_languages against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/AlexVPopov/rust_in_other_languages:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d45bb96a5671d3fd1846927eba3cfd981b77511c4a719b8bec576bb2309e9a15
[INFO] running `"docker" "start" "-a" "d45bb96a5671d3fd1846927eba3cfd981b77511c4a719b8bec576bb2309e9a15"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/embed.rs` was erroneously implicitly accepted for library `embed`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]     Checking rust_in_other_languages v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/embed.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 |             for _ in (0..5_000_000) {
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]  --> src/embed.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 |             for _ in (0..5_000_000) {
[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 0.95s
[INFO] running `"docker" "inspect" "d45bb96a5671d3fd1846927eba3cfd981b77511c4a719b8bec576bb2309e9a15"`
[INFO] running `"docker" "rm" "-f" "d45bb96a5671d3fd1846927eba3cfd981b77511c4a719b8bec576bb2309e9a15"`
[INFO] [stdout] d45bb96a5671d3fd1846927eba3cfd981b77511c4a719b8bec576bb2309e9a15