[INFO] cloning repository https://github.com/Xymist/json_to_dot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xymist/json_to_dot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXymist%2Fjson_to_dot"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXymist%2Fjson_to_dot'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32a2898e157f9bf5bf9b9870ddbdb6beaf78aaeb
[INFO] checking Xymist/json_to_dot against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXymist%2Fjson_to_dot" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xymist/json_to_dot on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Xymist/json_to_dot
[INFO] finished tweaking git repo https://github.com/Xymist/json_to_dot
[INFO] tweaked toml for git repo https://github.com/Xymist/json_to_dot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Xymist/json_to_dot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59a18d2dd5f3adfed661c98490ac2e7edf4a17132cacb3d70c8b528ca2ff727d
[INFO] running `"docker" "start" "-a" "59a18d2dd5f3adfed661c98490ac2e7edf4a17132cacb3d70c8b528ca2ff727d"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking json_to_dot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |             0...99 => format!("{}", (((self.doneness as f32) + 1.0)/10.0).ceil() as i32),
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/main.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |             0...99 => format!("{}", (((self.doneness as f32) + 1.0)/10.0).ceil() as i32),
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.06s
[INFO] running `"docker" "inspect" "59a18d2dd5f3adfed661c98490ac2e7edf4a17132cacb3d70c8b528ca2ff727d"`
[INFO] running `"docker" "rm" "-f" "59a18d2dd5f3adfed661c98490ac2e7edf4a17132cacb3d70c8b528ca2ff727d"`
[INFO] [stdout] 59a18d2dd5f3adfed661c98490ac2e7edf4a17132cacb3d70c8b528ca2ff727d