[INFO] cloning repository DNABigBoss/rustlings-solutions
[INFO] running `"git" "clone" "--bare" "git://github.com/DNABigBoss/rustlings-solutions.git" "work/cache/sources/gh/DNABigBoss/rustlings-solutions"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/DNABigBoss/rustlings-solutions'...
[INFO] running `"git" "clone" "work/cache/sources/gh/DNABigBoss/rustlings-solutions" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/DNABigBoss/rustlings-solutions"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/DNABigBoss/rustlings-solutions'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DNABigBoss/rustlings-solutions" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/DNABigBoss/rustlings-solutions"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/DNABigBoss/rustlings-solutions'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7f2d6c3f5bea0ff0dbecf87f4e4c6d3282cebe1
[INFO] sha for GitHub repo DNABigBoss/rustlings-solutions: e7f2d6c3f5bea0ff0dbecf87f4e4c6d3282cebe1
[INFO] validating manifest of DNABigBoss/rustlings-solutions 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 DNABigBoss/rustlings-solutions 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 DNABigBoss/rustlings-solutions
[INFO] finished frobbing DNABigBoss/rustlings-solutions
[INFO] frobbed toml for DNABigBoss/rustlings-solutions written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/DNABigBoss/rustlings-solutions/Cargo.toml
[INFO] started frobbing DNABigBoss/rustlings-solutions
[INFO] finished frobbing DNABigBoss/rustlings-solutions
[INFO] frobbed toml for DNABigBoss/rustlings-solutions written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/DNABigBoss/rustlings-solutions/Cargo.toml
[INFO] crate DNABigBoss/rustlings-solutions 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] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DNABigBoss/rustlings-solutions 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/DNABigBoss/rustlings-solutions:/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] ba20e3a5410ad5ec47deeb27f87b6185585c055ec7a96d423d6439ce1de1e25a
[INFO] running `"docker" "start" "-a" "ba20e3a5410ad5ec47deeb27f87b6185585c055ec7a96d423d6439ce1de1e25a"`
[INFO] [stderr]    Compiling onig_sys v69.1.0
[INFO] [stderr]     Checking plist v0.4.1
[INFO] [stderr]     Checking bincode v1.1.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking indicatif v0.9.0
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking onig v4.3.2
[INFO] [stderr]     Checking syntect v3.2.0
[INFO] [stderr]     Checking rustlings v1.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.97s
[INFO] running `"docker" "inspect" "ba20e3a5410ad5ec47deeb27f87b6185585c055ec7a96d423d6439ce1de1e25a"`
[INFO] running `"docker" "rm" "-f" "ba20e3a5410ad5ec47deeb27f87b6185585c055ec7a96d423d6439ce1de1e25a"`
[INFO] [stdout] ba20e3a5410ad5ec47deeb27f87b6185585c055ec7a96d423d6439ce1de1e25a