[INFO] cloning repository kbfu/Rust-Learn
[INFO] running `"git" "clone" "--bare" "git://github.com/kbfu/Rust-Learn.git" "work/cache/sources/gh/kbfu/Rust-Learn"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kbfu/Rust-Learn'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kbfu/Rust-Learn" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kbfu/Rust-Learn"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kbfu/Rust-Learn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kbfu/Rust-Learn" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kbfu/Rust-Learn"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kbfu/Rust-Learn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 22990d2815c55708eb9908cec5702dd5526bba78
[INFO] sha for GitHub repo kbfu/Rust-Learn: 22990d2815c55708eb9908cec5702dd5526bba78
[INFO] validating manifest of kbfu/Rust-Learn 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 kbfu/Rust-Learn 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 kbfu/Rust-Learn
[INFO] finished frobbing kbfu/Rust-Learn
[INFO] frobbed toml for kbfu/Rust-Learn written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kbfu/Rust-Learn/Cargo.toml
[INFO] started frobbing kbfu/Rust-Learn
[INFO] finished frobbing kbfu/Rust-Learn
[INFO] frobbed toml for kbfu/Rust-Learn written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kbfu/Rust-Learn/Cargo.toml
[INFO] crate kbfu/Rust-Learn 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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking kbfu/Rust-Learn against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kbfu/Rust-Learn:/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] 48054c8aa3bd2267d4fc9c21f425c18ad791681d9262be9a25cd0a8c876a15ab
[INFO] running `"docker" "start" "-a" "48054c8aa3bd2267d4fc9c21f425c18ad791681d9262be9a25cd0a8c876a15ab"`
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: couldn't read src/main.rs: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: couldn't read src/main.rs: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "48054c8aa3bd2267d4fc9c21f425c18ad791681d9262be9a25cd0a8c876a15ab"`
[INFO] running `"docker" "rm" "-f" "48054c8aa3bd2267d4fc9c21f425c18ad791681d9262be9a25cd0a8c876a15ab"`
[INFO] [stdout] 48054c8aa3bd2267d4fc9c21f425c18ad791681d9262be9a25cd0a8c876a15ab