[INFO] cloning repository https://github.com/grigoryk/toy8080
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grigoryk/toy8080" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Ftoy8080", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Ftoy8080'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a304ce88d9bc97a3f5ff93908784dc73ac4f2c9a
[INFO] checking grigoryk/toy8080 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrigoryk%2Ftoy8080" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grigoryk/toy8080 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grigoryk/toy8080
[INFO] finished tweaking git repo https://github.com/grigoryk/toy8080
[INFO] tweaked toml for git repo https://github.com/grigoryk/toy8080 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/grigoryk/toy8080 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51be44c356a5d3f3fd0fec8a0e2e9cbc212464cda0298cb646ccca3379207666
[INFO] running `Command { std: "docker" "start" "-a" "51be44c356a5d3f3fd0fec8a0e2e9cbc212464cda0298cb646ccca3379207666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51be44c356a5d3f3fd0fec8a0e2e9cbc212464cda0298cb646ccca3379207666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51be44c356a5d3f3fd0fec8a0e2e9cbc212464cda0298cb646ccca3379207666", kill_on_drop: false }`
[INFO] [stdout] 51be44c356a5d3f3fd0fec8a0e2e9cbc212464cda0298cb646ccca3379207666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94089203f179b0b70d073459649a99fe30dc9b08690020daeec8379e1cfec6f1
[INFO] running `Command { std: "docker" "start" "-a" "94089203f179b0b70d073459649a99fe30dc9b08690020daeec8379e1cfec6f1", kill_on_drop: false }`
[INFO] [stderr]     Checking toy8080 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]  --> src/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]  --> src/state.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]  --> src/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `C`
[INFO] [stdout]  --> src/state.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]  --> src/state.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `D`
[INFO] [stdout]  --> src/state.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `E`
[INFO] [stdout]  --> src/state.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `H`
[INFO] [stdout]  --> src/state.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |                    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `C`
[INFO] [stdout]  --> src/state.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `L`
[INFO] [stdout]  --> src/state.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `D`
[INFO] [stdout]  --> src/state.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Di`
[INFO] [stdout]   --> src/instructions.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Di, // special
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `E`
[INFO] [stdout]  --> src/state.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unused`
[INFO] [stdout]   --> src/instructions.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Unused, // ???
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `H`
[INFO] [stdout]  --> src/state.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |                    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `L`
[INFO] [stdout]  --> src/state.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 |     A, B, C, D, E, H, L
[INFO] [stdout]   |                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Di`
[INFO] [stdout]   --> src/instructions.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     Di, // special
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unused`
[INFO] [stdout]   --> src/instructions.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     Unused, // ???
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "94089203f179b0b70d073459649a99fe30dc9b08690020daeec8379e1cfec6f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94089203f179b0b70d073459649a99fe30dc9b08690020daeec8379e1cfec6f1", kill_on_drop: false }`
[INFO] [stdout] 94089203f179b0b70d073459649a99fe30dc9b08690020daeec8379e1cfec6f1