[INFO] cloning repository https://github.com/Adeyemi-theRustyDev/the_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Adeyemi-theRustyDev/the_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdeyemi-theRustyDev%2Fthe_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdeyemi-theRustyDev%2Fthe_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7094b1b60747889cd1cdc23359f4476167a0c37
[INFO] checking Adeyemi-theRustyDev/the_book against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdeyemi-theRustyDev%2Fthe_book" "/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/Adeyemi-theRustyDev/the_book
[INFO] finished tweaking git repo https://github.com/Adeyemi-theRustyDev/the_book
[INFO] tweaked toml for git repo https://github.com/Adeyemi-theRustyDev/the_book written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Adeyemi-theRustyDev/the_book on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Adeyemi-theRustyDev/the_book 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd6f49c1bff0199f6a4bce71462499524b2db84136d9c556533e814cc0ac9caf
[INFO] running `Command { std: "docker" "start" "-a" "fd6f49c1bff0199f6a4bce71462499524b2db84136d9c556533e814cc0ac9caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6f49c1bff0199f6a4bce71462499524b2db84136d9c556533e814cc0ac9caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6f49c1bff0199f6a4bce71462499524b2db84136d9c556533e814cc0ac9caf", kill_on_drop: false }`
[INFO] [stdout] fd6f49c1bff0199f6a4bce71462499524b2db84136d9c556533e814cc0ac9caf
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5e692c84b59aec9d400003ee57b51080821d5b89dfb191cfa8daa8612630cce
[INFO] running `Command { std: "docker" "start" "-a" "d5e692c84b59aec9d400003ee57b51080821d5b89dfb191cfa8daa8612630cce", kill_on_drop: false }`
[INFO] [stderr]     Checking the_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `headline`, `location`, `author`, and `content` are never read
[INFO] [stdout]  --> src/news_article.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct NewsArticle {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 3 |     pub headline: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 4 |     pub location: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 5 |     pub author: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 6 |     pub content: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `headline`, `location`, `author`, and `content` are never read
[INFO] [stdout]  --> src/news_article.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct NewsArticle {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 3 |     pub headline: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 4 |     pub location: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 5 |     pub author: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 6 |     pub content: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d5e692c84b59aec9d400003ee57b51080821d5b89dfb191cfa8daa8612630cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e692c84b59aec9d400003ee57b51080821d5b89dfb191cfa8daa8612630cce", kill_on_drop: false }`
[INFO] [stdout] d5e692c84b59aec9d400003ee57b51080821d5b89dfb191cfa8daa8612630cce
