[INFO] cloning repository exercism/rust-analyzer
[INFO] running `"git" "clone" "--bare" "git://github.com/exercism/rust-analyzer.git" "work/cache/sources/gh/exercism/rust-analyzer"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/exercism/rust-analyzer'...
[INFO] running `"git" "clone" "work/cache/sources/gh/exercism/rust-analyzer" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/exercism/rust-analyzer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/exercism/rust-analyzer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/exercism/rust-analyzer" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/exercism/rust-analyzer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/exercism/rust-analyzer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5b6d04d24d5163bbc5faf647cc20195d0e4da887
[INFO] sha for GitHub repo exercism/rust-analyzer: 5b6d04d24d5163bbc5faf647cc20195d0e4da887
[INFO] validating manifest of exercism/rust-analyzer 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 exercism/rust-analyzer 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 exercism/rust-analyzer
[INFO] finished frobbing exercism/rust-analyzer
[INFO] frobbed toml for exercism/rust-analyzer written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/exercism/rust-analyzer/Cargo.toml
[INFO] started frobbing exercism/rust-analyzer
[INFO] finished frobbing exercism/rust-analyzer
[INFO] frobbed toml for exercism/rust-analyzer written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/exercism/rust-analyzer/Cargo.toml
[INFO] crate exercism/rust-analyzer 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 exercism/rust-analyzer against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/exercism/rust-analyzer:/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] c9ee82431ad0285d86fb204725f69114f3a8df88361d6a7aedd66f1fe1644e6b
[INFO] running `"docker" "start" "-a" "c9ee82431ad0285d86fb204725f69114f3a8df88361d6a7aedd66f1fe1644e6b"`
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking syn v0.15.30
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde v1.0.91
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rust-analyzer v0.4.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.40s
[INFO] running `"docker" "inspect" "c9ee82431ad0285d86fb204725f69114f3a8df88361d6a7aedd66f1fe1644e6b"`
[INFO] running `"docker" "rm" "-f" "c9ee82431ad0285d86fb204725f69114f3a8df88361d6a7aedd66f1fe1644e6b"`
[INFO] [stdout] c9ee82431ad0285d86fb204725f69114f3a8df88361d6a7aedd66f1fe1644e6b