[INFO] cloning repository https://github.com/goldilock-zone/RustMiniProjects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goldilock-zone/RustMiniProjects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoldilock-zone%2FRustMiniProjects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoldilock-zone%2FRustMiniProjects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52664f419b076a7f0ed07f08fc0c01cc513ece56
[INFO] checking goldilock-zone/RustMiniProjects against try#59a256151e578f525a26127f2c3e3a6c7e2982ca for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoldilock-zone%2FRustMiniProjects" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/goldilock-zone/RustMiniProjects
[INFO] finished tweaking git repo https://github.com/goldilock-zone/RustMiniProjects
[INFO] tweaked toml for git repo https://github.com/goldilock-zone/RustMiniProjects written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/goldilock-zone/RustMiniProjects 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/goldilock-zone/RustMiniProjects 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] dc01692e01c43312c433bde6c001c9f4ae3263fe2ba1734d4dc6d3d1b8ac2dde
[INFO] running `Command { std: "docker" "start" "-a" "dc01692e01c43312c433bde6c001c9f4ae3263fe2ba1734d4dc6d3d1b8ac2dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc01692e01c43312c433bde6c001c9f4ae3263fe2ba1734d4dc6d3d1b8ac2dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc01692e01c43312c433bde6c001c9f4ae3263fe2ba1734d4dc6d3d1b8ac2dde", kill_on_drop: false }`
[INFO] [stdout] dc01692e01c43312c433bde6c001c9f4ae3263fe2ba1734d4dc6d3d1b8ac2dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8facea0f779b636b1378443b01e2b0ff2bd3845fcad496b363bb649cdcd5e157
[INFO] running `Command { std: "docker" "start" "-a" "8facea0f779b636b1378443b01e2b0ff2bd3845fcad496b363bb649cdcd5e157", kill_on_drop: false }`
[INFO] [stderr]     Checking Sandbox1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_numbers` is never used
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn add_numbers(x: i32, y: i32) -> i32{
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_numbers` is never used
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn add_numbers(x: i32, y: i32) -> i32{
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "8facea0f779b636b1378443b01e2b0ff2bd3845fcad496b363bb649cdcd5e157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8facea0f779b636b1378443b01e2b0ff2bd3845fcad496b363bb649cdcd5e157", kill_on_drop: false }`
[INFO] [stdout] 8facea0f779b636b1378443b01e2b0ff2bd3845fcad496b363bb649cdcd5e157