[INFO] updating cached repository https://github.com/JackDallas/roverr
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c0dfc9186bc685b7ab64aa953956515b4a3a60b9
[INFO] checking JackDallas/roverr against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackDallas%2Froverr" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JackDallas/roverr on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JackDallas/roverr
[INFO] finished tweaking git repo https://github.com/JackDallas/roverr
[INFO] tweaked toml for git repo https://github.com/JackDallas/roverr written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 4eb79d94a6fba022c13a2dffcc64b4082110157c18a6496c4ad1066810a5e11d
[INFO] running `"docker" "start" "-a" "4eb79d94a6fba022c13a2dffcc64b4082110157c18a6496c4ad1066810a5e11d"`
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking roverr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/downloaders/http.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let res = reqwest::blocking::get("https://httpbin.org/ip");
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `url`
[INFO] [stderr]  --> src/downloaders/http.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   url : String,
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `res`
[INFO] [stderr]   --> src/downloaders/http.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let res = reqwest::blocking::get("https://httpbin.org/ip");
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_res`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `url`
[INFO] [stderr]  --> src/downloaders/http.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   url : String,
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.52s
[INFO] running `"docker" "inspect" "4eb79d94a6fba022c13a2dffcc64b4082110157c18a6496c4ad1066810a5e11d"`
[INFO] running `"docker" "rm" "-f" "4eb79d94a6fba022c13a2dffcc64b4082110157c18a6496c4ad1066810a5e11d"`
[INFO] [stdout] 4eb79d94a6fba022c13a2dffcc64b4082110157c18a6496c4ad1066810a5e11d