[INFO] cloning repository https://github.com/Kartikhub/rust-basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kartikhub/rust-basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKartikhub%2Frust-basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKartikhub%2Frust-basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7ab22149561b3e9890a0e971db1ca276ae4d191
[INFO] checking Kartikhub/rust-basics against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKartikhub%2Frust-basics" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kartikhub/rust-basics
[INFO] finished tweaking git repo https://github.com/Kartikhub/rust-basics
[INFO] tweaked toml for git repo https://github.com/Kartikhub/rust-basics written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kartikhub/rust-basics on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kartikhub/rust-basics 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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f0d841f035cd4a4170b20b84ddf008873470ee1a84e287d5d02e4c9d281c7fa
[INFO] running `Command { std: "docker" "start" "-a" "0f0d841f035cd4a4170b20b84ddf008873470ee1a84e287d5d02e4c9d281c7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f0d841f035cd4a4170b20b84ddf008873470ee1a84e287d5d02e4c9d281c7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0d841f035cd4a4170b20b84ddf008873470ee1a84e287d5d02e4c9d281c7fa", kill_on_drop: false }`
[INFO] [stdout] 0f0d841f035cd4a4170b20b84ddf008873470ee1a84e287d5d02e4c9d281c7fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba20ddaa50b0494502ae33c52879593b99224554e54f9d0e56d3fd7651114fb5
[INFO] running `Command { std: "docker" "start" "-a" "ba20ddaa50b0494502ae33c52879593b99224554e54f9d0e56d3fd7651114fb5", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Shape` is never used
[INFO] [stdout]   --> src/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum Shape {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area` is never used
[INFO] [stdout]   --> src/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn calculate_area(shape: Shape) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_name_and_age` is never used
[INFO] [stdout]   --> src/main.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 51 |     fn get_name_and_age(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Shape` is never used
[INFO] [stdout]   --> src/main.rs:35:6
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum Shape {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_area` is never used
[INFO] [stdout]   --> src/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn calculate_area(shape: Shape) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_name_and_age` is never used
[INFO] [stdout]   --> src/main.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 51 |     fn get_name_and_age(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "ba20ddaa50b0494502ae33c52879593b99224554e54f9d0e56d3fd7651114fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba20ddaa50b0494502ae33c52879593b99224554e54f9d0e56d3fd7651114fb5", kill_on_drop: false }`
[INFO] [stdout] ba20ddaa50b0494502ae33c52879593b99224554e54f9d0e56d3fd7651114fb5