[INFO] cloning repository https://github.com/JustinKnueppel/chess-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JustinKnueppel/chess-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustinKnueppel%2Fchess-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustinKnueppel%2Fchess-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e78ae80e0edbc6328d0974a8fe4f5d2e86b4ac1
[INFO] checking JustinKnueppel/chess-server against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJustinKnueppel%2Fchess-server" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JustinKnueppel/chess-server
[INFO] finished tweaking git repo https://github.com/JustinKnueppel/chess-server
[INFO] tweaked toml for git repo https://github.com/JustinKnueppel/chess-server written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JustinKnueppel/chess-server on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JustinKnueppel/chess-server 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" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5245c0c53aede338afcfd1297738de0a9e8ee61ae685515a020079da083b4b21
[INFO] running `Command { std: "docker" "start" "-a" "5245c0c53aede338afcfd1297738de0a9e8ee61ae685515a020079da083b4b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5245c0c53aede338afcfd1297738de0a9e8ee61ae685515a020079da083b4b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5245c0c53aede338afcfd1297738de0a9e8ee61ae685515a020079da083b4b21", kill_on_drop: false }`
[INFO] [stdout] 5245c0c53aede338afcfd1297738de0a9e8ee61ae685515a020079da083b4b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d48cc810e7f780ae9afa432d74308e594d954043f75ecd0343bb7240f003838
[INFO] running `Command { std: "docker" "start" "-a" "2d48cc810e7f780ae9afa432d74308e594d954043f75ecd0343bb7240f003838", kill_on_drop: false }`
[INFO] [stderr]     Checking chess-api v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `BACK_ROW` is never used
[INFO] [stdout]  --> src/board.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BACK_ROW: &'static [pieces::PieceType] = &[
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/board.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Board {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 61 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BACK_ROW` is never used
[INFO] [stdout]  --> src/board.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BACK_ROW: &'static [pieces::PieceType] = &[
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/board.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Board {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 61 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "2d48cc810e7f780ae9afa432d74308e594d954043f75ecd0343bb7240f003838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d48cc810e7f780ae9afa432d74308e594d954043f75ecd0343bb7240f003838", kill_on_drop: false }`
[INFO] [stdout] 2d48cc810e7f780ae9afa432d74308e594d954043f75ecd0343bb7240f003838