[INFO] updating cached repository https://github.com/dethos/rusty-hub
[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] [stderr] From https://github.com/dethos/rusty-hub
[INFO] [stderr]    a143046..bb78d4f  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb78d4fc8083c91fe14af3ff6c6b0d765264a18f
[INFO] checking dethos/rusty-hub against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdethos%2Frusty-hub" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dethos/rusty-hub 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/dethos/rusty-hub
[INFO] finished tweaking git repo https://github.com/dethos/rusty-hub
[INFO] tweaked toml for git repo https://github.com/dethos/rusty-hub written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dethos/rusty-hub already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 37746c21e8530b677533bf2b7ab335729d1f38fff6f953fec6616125185c614f
[INFO] running `"docker" "start" "-a" "37746c21e8530b677533bf2b7ab335729d1f38fff6f953fec6616125185c614f"`
[INFO] [stderr]    Compiling syn v1.0.11
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[INFO] [stderr] warning: unused variable: `db`
[INFO] [stderr]   --> src/actions.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn handle_publication(db: &Pool, data: &HashMap<String, String>) -> bool {
[INFO] [stderr]    |                           ^^ help: consider prefixing with an underscore: `_db`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/actions.rs:64:38
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn handle_publication(db: &Pool, data: &HashMap<String, String>) -> bool {
[INFO] [stderr]    |                                      ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `db`
[INFO] [stderr]   --> src/actions.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn handle_publication(db: &Pool, data: &HashMap<String, String>) -> bool {
[INFO] [stderr]    |                           ^^ help: consider prefixing with an underscore: `_db`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/actions.rs:64:38
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn handle_publication(db: &Pool, data: &HashMap<String, String>) -> bool {
[INFO] [stderr]    |                                      ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 21s
[INFO] running `"docker" "inspect" "37746c21e8530b677533bf2b7ab335729d1f38fff6f953fec6616125185c614f"`
[INFO] running `"docker" "rm" "-f" "37746c21e8530b677533bf2b7ab335729d1f38fff6f953fec6616125185c614f"`
[INFO] [stdout] 37746c21e8530b677533bf2b7ab335729d1f38fff6f953fec6616125185c614f