[INFO] cloning repository https://github.com/markglenn/gameboyrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markglenn/gameboyrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkglenn%2Fgameboyrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkglenn%2Fgameboyrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f77715b4824379b297ea671432eb49112713b8c
[INFO] checking markglenn/gameboyrs against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkglenn%2Fgameboyrs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/markglenn/gameboyrs
[INFO] finished tweaking git repo https://github.com/markglenn/gameboyrs
[INFO] tweaked toml for git repo https://github.com/markglenn/gameboyrs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/markglenn/gameboyrs on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/markglenn/gameboyrs 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb8b3191b30b753e498df1685fb0cb6d8309b8f3e6f3c9c5cfa42227e599e460
[INFO] running `Command { std: "docker" "start" "-a" "cb8b3191b30b753e498df1685fb0cb6d8309b8f3e6f3c9c5cfa42227e599e460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb8b3191b30b753e498df1685fb0cb6d8309b8f3e6f3c9c5cfa42227e599e460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8b3191b30b753e498df1685fb0cb6d8309b8f3e6f3c9c5cfa42227e599e460", kill_on_drop: false }`
[INFO] [stdout] cb8b3191b30b753e498df1685fb0cb6d8309b8f3e6f3c9c5cfa42227e599e460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ad55fbb3f506083fcb099003fc236603d04167d4f37f7f7dc1e1c6fc5932f63
[INFO] running `Command { std: "docker" "start" "-a" "3ad55fbb3f506083fcb099003fc236603d04167d4f37f7f7dc1e1c6fc5932f63", kill_on_drop: false }`
[INFO] [stderr]     Checking gameboyrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Bus` is never constructed
[INFO] [stdout]  --> src/hardware/bus.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bus {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RAM` is never constructed
[INFO] [stdout]   --> src/hardware/mbc.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum BankMode {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] 17 |     ROM,
[INFO] [stdout] 18 |     RAM,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gameboyrs` (bin "gameboyrs" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `Bus` is never constructed
[INFO] [stdout]  --> src/hardware/bus.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Bus {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RAM` is never constructed
[INFO] [stdout]   --> src/hardware/mbc.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum BankMode {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] 17 |     ROM,
[INFO] [stdout] 18 |     RAM,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gameboyrs` (bin "gameboyrs") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3ad55fbb3f506083fcb099003fc236603d04167d4f37f7f7dc1e1c6fc5932f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad55fbb3f506083fcb099003fc236603d04167d4f37f7f7dc1e1c6fc5932f63", kill_on_drop: false }`
[INFO] [stdout] 3ad55fbb3f506083fcb099003fc236603d04167d4f37f7f7dc1e1c6fc5932f63