[INFO] updating cached repository https://github.com/MitchelAnthony/rocket-api-playground
[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] f36a0e5e1f4ab685da2fb381edf4df96bb5ab804
[INFO] checking MitchelAnthony/rocket-api-playground against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMitchelAnthony%2Frocket-api-playground" "/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/MitchelAnthony/rocket-api-playground on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MitchelAnthony/rocket-api-playground
[INFO] finished tweaking git repo https://github.com/MitchelAnthony/rocket-api-playground
[INFO] tweaked toml for git repo https://github.com/MitchelAnthony/rocket-api-playground written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/MitchelAnthony/rocket-api-playground already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] be52d87f784b688b21b02010e36a6a963476524c2e193c82ef21bc8c119ee7d3
[INFO] running `"docker" "start" "-a" "be52d87f784b688b21b02010e36a6a963476524c2e193c82ef21bc8c119ee7d3"`
[INFO] [stderr]    Compiling syn v1.0.12
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking notify v4.0.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rocket_http v0.4.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking hello-rocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let id = next_insert_id(events_list.keys().collect::<Vec<&usize>>());
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]    --> src/main.rs:109:28
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn update_event(id: usize, body: Json<Event>) -> Json<Event> {
[INFO] [stderr]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/main.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let id = next_insert_id(events_list.keys().collect::<Vec<&usize>>());
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]    --> src/main.rs:109:28
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn update_event(id: usize, body: Json<Event>) -> Json<Event> {
[INFO] [stderr]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.25s
[INFO] running `"docker" "inspect" "be52d87f784b688b21b02010e36a6a963476524c2e193c82ef21bc8c119ee7d3"`
[INFO] running `"docker" "rm" "-f" "be52d87f784b688b21b02010e36a6a963476524c2e193c82ef21bc8c119ee7d3"`
[INFO] [stdout] be52d87f784b688b21b02010e36a6a963476524c2e193c82ef21bc8c119ee7d3