[INFO] cloning repository https://github.com/Alexius-Huang/rustful-json-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alexius-Huang/rustful-json-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexius-Huang%2Frustful-json-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexius-Huang%2Frustful-json-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 150835c57ce2fddce89805d7e28ac251261519cc
[INFO] checking Alexius-Huang/rustful-json-server against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexius-Huang%2Frustful-json-server" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Alexius-Huang/rustful-json-server
[INFO] finished tweaking git repo https://github.com/Alexius-Huang/rustful-json-server
[INFO] tweaked toml for git repo https://github.com/Alexius-Huang/rustful-json-server written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Alexius-Huang/rustful-json-server on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Alexius-Huang/rustful-json-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24d5e75dfc38765f940e0121a5aff14fde8fc5d97df9b1ca4177dceb3545a7bd
[INFO] running `Command { std: "docker" "start" "-a" "24d5e75dfc38765f940e0121a5aff14fde8fc5d97df9b1ca4177dceb3545a7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24d5e75dfc38765f940e0121a5aff14fde8fc5d97df9b1ca4177dceb3545a7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d5e75dfc38765f940e0121a5aff14fde8fc5d97df9b1ca4177dceb3545a7bd", kill_on_drop: false }`
[INFO] [stdout] 24d5e75dfc38765f940e0121a5aff14fde8fc5d97df9b1ca4177dceb3545a7bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a96d67fcaac945eabbc4b20a98649b14e6620ec1b40edb2669458152e5b6740
[INFO] running `Command { std: "docker" "start" "-a" "6a96d67fcaac945eabbc4b20a98649b14e6620ec1b40edb2669458152e5b6740", kill_on_drop: false }`
[INFO] [stderr]     Checking rustful-json-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/server/request.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct RequestInitializationError(String);
[INFO] [stdout]    |            -------------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/db/connection.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get(&self, id: i32) -> Result<String, DbQueryError> {
[INFO] [stdout]    |                ^^^^^                             ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get(&self, id: i32) -> Result<String, DbQueryError<'_>> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/server/request.rs:42:39
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct RequestInitializationError(String);
[INFO] [stdout]    |            -------------------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/db/connection.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get(&self, id: i32) -> Result<String, DbQueryError> {
[INFO] [stdout]    |                ^^^^^                             ------------ the lifetime gets resolved as `'_`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get(&self, id: i32) -> Result<String, DbQueryError<'_>> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "6a96d67fcaac945eabbc4b20a98649b14e6620ec1b40edb2669458152e5b6740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a96d67fcaac945eabbc4b20a98649b14e6620ec1b40edb2669458152e5b6740", kill_on_drop: false }`
[INFO] [stdout] 6a96d67fcaac945eabbc4b20a98649b14e6620ec1b40edb2669458152e5b6740
