[INFO] cloning repository https://github.com/JamesB0907/rust_spells
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamesB0907/rust_spells" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesB0907%2Frust_spells", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesB0907%2Frust_spells'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf3d6c9237a845a2ea391dde1b2b47d5a1e4f854
[INFO] checking JamesB0907/rust_spells against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesB0907%2Frust_spells" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JamesB0907/rust_spells
[INFO] finished tweaking git repo https://github.com/JamesB0907/rust_spells
[INFO] tweaked toml for git repo https://github.com/JamesB0907/rust_spells written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JamesB0907/rust_spells on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JamesB0907/rust_spells 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cb97059b1912754081e4fe152f4648d0dd425229c41613fab541c7e2360aef54
[INFO] running `Command { std: "docker" "start" "cb97059b1912754081e4fe152f4648d0dd425229c41613fab541c7e2360aef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb97059b1912754081e4fe152f4648d0dd425229c41613fab541c7e2360aef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cb97059b1912754081e4fe152f4648d0dd425229c41613fab541c7e2360aef54" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb97059b1912754081e4fe152f4648d0dd425229c41613fab541c7e2360aef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cb97059b1912754081e4fe152f4648d0dd425229c41613fab541c7e2360aef54" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking firebolt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Lightning` is never constructed
[INFO] [stdout]  --> src/inventory.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Element {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 5 |     Lightning,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Element` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `element` are never read
[INFO] [stdout]   --> src/inventory.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Spell {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 11 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     damage: i32,
[INFO] [stdout] 13 |     element: Element,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Spell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Lightning` is never constructed
[INFO] [stdout]  --> src/inventory.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Element {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 5 |     Lightning,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Element` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `element` are never read
[INFO] [stdout]   --> src/inventory.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Spell {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 11 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     damage: i32,
[INFO] [stdout] 13 |     element: Element,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Spell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "cb97059b1912754081e4fe152f4648d0dd425229c41613fab541c7e2360aef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb97059b1912754081e4fe152f4648d0dd425229c41613fab541c7e2360aef54", kill_on_drop: false }`
[INFO] [stdout] cb97059b1912754081e4fe152f4648d0dd425229c41613fab541c7e2360aef54