[INFO] cloning repository https://github.com/kyosu-1/tetrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyosu-1/tetrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyosu-1%2Ftetrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyosu-1%2Ftetrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98e10d0b3c0628a98b1e49045fce4928c432fbb7
[INFO] checking kyosu-1/tetrust against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyosu-1%2Ftetrust" "/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/kyosu-1/tetrust
[INFO] finished tweaking git repo https://github.com/kyosu-1/tetrust
[INFO] tweaked toml for git repo https://github.com/kyosu-1/tetrust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kyosu-1/tetrust on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kyosu-1/tetrust 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getch-rs v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2e38b291b0bdfeb70e65f4f709b23814dc770e59343cf931725c1d3aeadddb44
[INFO] running `Command { std: "docker" "start" "2e38b291b0bdfeb70e65f4f709b23814dc770e59343cf931725c1d3aeadddb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e38b291b0bdfeb70e65f4f709b23814dc770e59343cf931725c1d3aeadddb44", 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" "2e38b291b0bdfeb70e65f4f709b23814dc770e59343cf931725c1d3aeadddb44" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e38b291b0bdfeb70e65f4f709b23814dc770e59343cf931725c1d3aeadddb44", 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" "2e38b291b0bdfeb70e65f4f709b23814dc770e59343cf931725c1d3aeadddb44" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking getch-rs v0.1.3
[INFO] [stderr]     Checking tetrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `O`, `S`, `Z`, `J`, `L`, and `T` are never constructed
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |  enum BlockKind {
[INFO] [stdout]    |       --------- variants in this enum
[INFO] [stdout] 12 |     I,
[INFO] [stdout] 13 |     O,
[INFO] [stdout]    |     ^
[INFO] [stdout] 14 |     S,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     Z,
[INFO] [stdout]    |     ^
[INFO] [stdout] 16 |     J,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     L,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     T,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockKind` has a derived impl for the trait `Clone`, 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: variants `O`, `S`, `Z`, `J`, `L`, and `T` are never constructed
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |  enum BlockKind {
[INFO] [stdout]    |       --------- variants in this enum
[INFO] [stdout] 12 |     I,
[INFO] [stdout] 13 |     O,
[INFO] [stdout]    |     ^
[INFO] [stdout] 14 |     S,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     Z,
[INFO] [stdout]    |     ^
[INFO] [stdout] 16 |     J,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     L,
[INFO] [stdout]    |     ^
[INFO] [stdout] 18 |     T,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockKind` has a derived impl for the trait `Clone`, 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "2e38b291b0bdfeb70e65f4f709b23814dc770e59343cf931725c1d3aeadddb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e38b291b0bdfeb70e65f4f709b23814dc770e59343cf931725c1d3aeadddb44", kill_on_drop: false }`
[INFO] [stdout] 2e38b291b0bdfeb70e65f4f709b23814dc770e59343cf931725c1d3aeadddb44
