[INFO] cloning repository https://github.com/erdincmutlu/rust_intro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erdincmutlu/rust_intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferdincmutlu%2Frust_intro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferdincmutlu%2Frust_intro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] faa6b62cbc30dbd7ee2e499a5d16e1955f6757e7
[INFO] checking erdincmutlu/rust_intro against try#59a256151e578f525a26127f2c3e3a6c7e2982ca for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferdincmutlu%2Frust_intro" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/erdincmutlu/rust_intro
[INFO] finished tweaking git repo https://github.com/erdincmutlu/rust_intro
[INFO] tweaked toml for git repo https://github.com/erdincmutlu/rust_intro written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/erdincmutlu/rust_intro on toolchain 59a256151e578f525a26127f2c3e3a6c7e2982ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/erdincmutlu/rust_intro 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" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 791cef97c754d972de30ba016e3b363225228aea73988604b40bd3428d349128
[INFO] running `Command { std: "docker" "start" "-a" "791cef97c754d972de30ba016e3b363225228aea73988604b40bd3428d349128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "791cef97c754d972de30ba016e3b363225228aea73988604b40bd3428d349128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791cef97c754d972de30ba016e3b363225228aea73988604b40bd3428d349128", kill_on_drop: false }`
[INFO] [stdout] 791cef97c754d972de30ba016e3b363225228aea73988604b40bd3428d349128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a363d44bd817dad6e560a6fcef7166469914ba5605b9eddc270d41f8a0d84f4d
[INFO] running `Command { std: "docker" "start" "-a" "a363d44bd817dad6e560a6fcef7166469914ba5605b9eddc270d41f8a0d84f4d", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_intro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]  --> src/main.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Color {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red`, `Green`, and `Blue` are never constructed
[INFO] [stdout]    --> src/main.rs:98:9
[INFO] [stdout]     |
[INFO] [stdout]  97 |     enum Color {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout]  98 |         Red,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]  99 |         Green,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 100 |         Blue,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HasArea` is never used
[INFO] [stdout]    --> src/main.rs:211:11
[INFO] [stdout]     |
[INFO] [stdout] 211 |     trait HasArea {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Square` is never constructed
[INFO] [stdout]    --> src/main.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 |     struct Square {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]  --> src/main.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Color {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HasArea` is never used
[INFO] [stdout]    --> src/main.rs:211:11
[INFO] [stdout]     |
[INFO] [stdout] 211 |     trait HasArea {
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Square` is never constructed
[INFO] [stdout]    --> src/main.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 214 |     struct Square {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "a363d44bd817dad6e560a6fcef7166469914ba5605b9eddc270d41f8a0d84f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a363d44bd817dad6e560a6fcef7166469914ba5605b9eddc270d41f8a0d84f4d", kill_on_drop: false }`
[INFO] [stdout] a363d44bd817dad6e560a6fcef7166469914ba5605b9eddc270d41f8a0d84f4d