[INFO] cloning repository https://github.com/metamemelord/Mockerino
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/metamemelord/Mockerino" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetamemelord%2FMockerino", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetamemelord%2FMockerino'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a401a0d3089108bb59b5571b75a70e8448e1fd9
[INFO] checking metamemelord/Mockerino against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetamemelord%2FMockerino" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/metamemelord/Mockerino on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/metamemelord/Mockerino
[INFO] finished tweaking git repo https://github.com/metamemelord/Mockerino
[INFO] tweaked toml for git repo https://github.com/metamemelord/Mockerino written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/metamemelord/Mockerino already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e7d17cab7707e9430ff41bf312e8bf3bb1f35b5ed0da5359fa7adcdc2de7ab4
[INFO] running `Command { std: "docker" "start" "-a" "3e7d17cab7707e9430ff41bf312e8bf3bb1f35b5ed0da5359fa7adcdc2de7ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e7d17cab7707e9430ff41bf312e8bf3bb1f35b5ed0da5359fa7adcdc2de7ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e7d17cab7707e9430ff41bf312e8bf3bb1f35b5ed0da5359fa7adcdc2de7ab4", kill_on_drop: false }`
[INFO] [stdout] 3e7d17cab7707e9430ff41bf312e8bf3bb1f35b5ed0da5359fa7adcdc2de7ab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 539de201279aa055194a37ba5abfbfa649dde0f852d1196c4a2ba661422b5907
[INFO] running `Command { std: "docker" "start" "-a" "539de201279aa055194a37ba5abfbfa649dde0f852d1196c4a2ba661422b5907", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking mockerino v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/config.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn load_config(path: std::fs::File) -> Result<Self, std::io::Error> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Config`
[INFO] [stdout]  --> src/config.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Config<V> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]  --> src/config.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn default() -> Result<Self, std::io::Error> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load_config`
[INFO] [stdout]   --> src/config.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn load_config(path: std::fs::File) -> Result<Self, std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_path`
[INFO] [stdout]   --> src/config.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from_path<T: AsRef<std::path::Path>>(path: T) -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/config.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn load_config(path: std::fs::File) -> Result<Self, std::io::Error> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]  --> src/config.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     port: u16,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_threads`
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     max_threads: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_path`
[INFO] [stdout]   --> src/config.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from_path<T: AsRef<std::path::Path>>(path: T) -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.43s
[INFO] running `Command { std: "docker" "inspect" "539de201279aa055194a37ba5abfbfa649dde0f852d1196c4a2ba661422b5907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539de201279aa055194a37ba5abfbfa649dde0f852d1196c4a2ba661422b5907", kill_on_drop: false }`
[INFO] [stdout] 539de201279aa055194a37ba5abfbfa649dde0f852d1196c4a2ba661422b5907