[INFO] cloning repository https://github.com/dwyerj878/calpuzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwyerj878/calpuzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwyerj878%2Fcalpuzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwyerj878%2Fcalpuzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 671bfabfa5329ce34097ec0fac8e084c341ad5eb
[INFO] checking dwyerj878/calpuzzle against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for pr-155501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwyerj878%2Fcalpuzzle" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dwyerj878/calpuzzle
[INFO] finished tweaking git repo https://github.com/dwyerj878/calpuzzle
[INFO] tweaked toml for git repo https://github.com/dwyerj878/calpuzzle written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dwyerj878/calpuzzle on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dwyerj878/calpuzzle 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 361a46ef332f26a4d4bbca0d0fd0bc13c27af946995ed88fee5c8831b70d0b63
[INFO] running `Command { std: "docker" "start" "-a" "361a46ef332f26a4d4bbca0d0fd0bc13c27af946995ed88fee5c8831b70d0b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "361a46ef332f26a4d4bbca0d0fd0bc13c27af946995ed88fee5c8831b70d0b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361a46ef332f26a4d4bbca0d0fd0bc13c27af946995ed88fee5c8831b70d0b63", kill_on_drop: false }`
[INFO] [stdout] 361a46ef332f26a4d4bbca0d0fd0bc13c27af946995ed88fee5c8831b70d0b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9baad2eb6bcf4b80b72a8809e34a2e45ffbc69cb3845d2bcc4fe0f84363448c4
[INFO] running `Command { std: "docker" "start" "-a" "9baad2eb6bcf4b80b72a8809e34a2e45ffbc69cb3845d2bcc4fe0f84363448c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking calpuzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `games`
[INFO] [stdout]   --> src/game.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn play(&mut self, games :Vec<&Game> ) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_games`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `games`
[INFO] [stdout]   --> src/game.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn play(&mut self, games :Vec<&Game> ) {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_games`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `complete` is never read
[INFO] [stdout]   --> src/game.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Game {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub complete : bool
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `complete` is never read
[INFO] [stdout]   --> src/game.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Game {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub complete : bool
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has derived impls for the traits `Clone` and `Debug`, but these are 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 1.31s
[INFO] running `Command { std: "docker" "inspect" "9baad2eb6bcf4b80b72a8809e34a2e45ffbc69cb3845d2bcc4fe0f84363448c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9baad2eb6bcf4b80b72a8809e34a2e45ffbc69cb3845d2bcc4fe0f84363448c4", kill_on_drop: false }`
[INFO] [stdout] 9baad2eb6bcf4b80b72a8809e34a2e45ffbc69cb3845d2bcc4fe0f84363448c4