[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 try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexius-Huang%2Frustful-json-server" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Alexius-Huang/rustful-json-server on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3661f41e115dc2497b630db8a2b5b9ccd02b75f9be1d4586ea2987251a2b664e
[INFO] running `Command { std: "docker" "start" "-a" "3661f41e115dc2497b630db8a2b5b9ccd02b75f9be1d4586ea2987251a2b664e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3661f41e115dc2497b630db8a2b5b9ccd02b75f9be1d4586ea2987251a2b664e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3661f41e115dc2497b630db8a2b5b9ccd02b75f9be1d4586ea2987251a2b664e", kill_on_drop: false }`
[INFO] [stdout] 3661f41e115dc2497b630db8a2b5b9ccd02b75f9be1d4586ea2987251a2b664e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21491e6a42dbbd0a75dd552eac714c7d482989ba81e71480a6673ed4522bb8ed
[INFO] running `Command { std: "docker" "start" "-a" "21491e6a42dbbd0a75dd552eac714c7d482989ba81e71480a6673ed4522bb8ed", kill_on_drop: false }`
[INFO] [stderr]     Checking rustful-json-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `RequestInitializationError` is never constructed
[INFO] [stdout]   --> src/server/request.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct RequestInitializationError(String);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 is elided here ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get(&self, id: i32) -> Result<String, DbQueryError<'_>> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `RequestInitializationError` is never constructed
[INFO] [stdout]   --> src/server/request.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct RequestInitializationError(String);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is 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 is elided here ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get(&self, id: i32) -> Result<String, DbQueryError<'_>> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustful-json-server` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rustful-json-server` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "21491e6a42dbbd0a75dd552eac714c7d482989ba81e71480a6673ed4522bb8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21491e6a42dbbd0a75dd552eac714c7d482989ba81e71480a6673ed4522bb8ed", kill_on_drop: false }`
[INFO] [stdout] 21491e6a42dbbd0a75dd552eac714c7d482989ba81e71480a6673ed4522bb8ed
