[INFO] cloning repository Raeltik/DGTProject1
[INFO] running `"git" "clone" "--bare" "git://github.com/Raeltik/DGTProject1.git" "work/cache/sources/gh/Raeltik/DGTProject1"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Raeltik/DGTProject1'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Raeltik/DGTProject1" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Raeltik/DGTProject1"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Raeltik/DGTProject1'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Raeltik/DGTProject1" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Raeltik/DGTProject1"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Raeltik/DGTProject1'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f5252a0201ebee5802d5f711b5e2cfc18b07e9f
[INFO] sha for GitHub repo Raeltik/DGTProject1: 3f5252a0201ebee5802d5f711b5e2cfc18b07e9f
[INFO] validating manifest of Raeltik/DGTProject1 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 Raeltik/DGTProject1 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 Raeltik/DGTProject1
[INFO] finished frobbing Raeltik/DGTProject1
[INFO] frobbed toml for Raeltik/DGTProject1 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Raeltik/DGTProject1/Cargo.toml
[INFO] started frobbing Raeltik/DGTProject1
[INFO] finished frobbing Raeltik/DGTProject1
[INFO] frobbed toml for Raeltik/DGTProject1 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Raeltik/DGTProject1/Cargo.toml
[INFO] crate Raeltik/DGTProject1 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 Raeltik/DGTProject1 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Raeltik/DGTProject1:/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 60a82bb83a0b07e92fb37e9339522195023bbab860255f4e6c10e69aaf6142cf
[INFO] running `"docker" "start" "-a" "60a82bb83a0b07e92fb37e9339522195023bbab860255f4e6c10e69aaf6142cf"`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking serde_json v1.0.10
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking DGTProject1 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Error`, `Value`
[INFO] [stderr]   --> src/main.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 | use serde_json::{Value, Error};
[INFO] [stderr]    |                  ^^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Value`
[INFO] [stderr]   --> src/main.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 | use serde_json::{Value, Error};
[INFO] [stderr]    |                  ^^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `DGTProject1` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `dgtproject1`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `DGTProject1` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `dgtproject1`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `"docker" "inspect" "60a82bb83a0b07e92fb37e9339522195023bbab860255f4e6c10e69aaf6142cf"`
[INFO] running `"docker" "rm" "-f" "60a82bb83a0b07e92fb37e9339522195023bbab860255f4e6c10e69aaf6142cf"`
[INFO] [stdout] 60a82bb83a0b07e92fb37e9339522195023bbab860255f4e6c10e69aaf6142cf