[INFO] cloning repository https://github.com/nielvid/rust-class
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nielvid/rust-class" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnielvid%2Frust-class", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnielvid%2Frust-class'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e606dae288dd598b7d6cd7839e2693fc2ad7e633
[INFO] checking nielvid/rust-class against master#0f353363965ebf05e0757f7679c800b39c51a07e for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnielvid%2Frust-class" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nielvid/rust-class
[INFO] finished tweaking git repo https://github.com/nielvid/rust-class
[INFO] tweaked toml for git repo https://github.com/nielvid/rust-class written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nielvid/rust-class on toolchain 0f353363965ebf05e0757f7679c800b39c51a07e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nielvid/rust-class 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" "+0f353363965ebf05e0757f7679c800b39c51a07e" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7f931f85d60f7423c50c8bae81a4acf6db2d9c87f5fc702324a9a6667ebd294
[INFO] running `Command { std: "docker" "start" "-a" "d7f931f85d60f7423c50c8bae81a4acf6db2d9c87f5fc702324a9a6667ebd294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7f931f85d60f7423c50c8bae81a4acf6db2d9c87f5fc702324a9a6667ebd294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f931f85d60f7423c50c8bae81a4acf6db2d9c87f5fc702324a9a6667ebd294", kill_on_drop: false }`
[INFO] [stdout] d7f931f85d60f7423c50c8bae81a4acf6db2d9c87f5fc702324a9a6667ebd294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fec41a577fa04e0b51baaae90e7955472ba12b619108b140e973743cbbce40a
[INFO] running `Command { std: "docker" "start" "-a" "9fec41a577fa04e0b51baaae90e7955472ba12b619108b140e973743cbbce40a", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking ferris-says v0.3.1
[INFO] [stderr]     Checking rust-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `first_name`, `last_name`, `age`, `address`, `phone_number`, and `email` are never read
[INFO] [stdout]  --> src/model/custom.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Person{
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 4 |     pub first_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 5 |     pub last_name: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 6 |     pub age: u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub address: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 8 |     pub phone_number: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 9 |     pub email: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `first_name`, `last_name`, `age`, `address`, `phone_number`, and `email` are never read
[INFO] [stdout]  --> src/model/custom.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Person{
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 4 |     pub first_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout] 5 |     pub last_name: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 6 |     pub age: u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub address: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 8 |     pub phone_number: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 9 |     pub email: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "9fec41a577fa04e0b51baaae90e7955472ba12b619108b140e973743cbbce40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fec41a577fa04e0b51baaae90e7955472ba12b619108b140e973743cbbce40a", kill_on_drop: false }`
[INFO] [stdout] 9fec41a577fa04e0b51baaae90e7955472ba12b619108b140e973743cbbce40a