[INFO] cloning repository https://github.com/happyhacks/lld-snakes-ladders
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/happyhacks/lld-snakes-ladders" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappyhacks%2Flld-snakes-ladders", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappyhacks%2Flld-snakes-ladders'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 545c31715b496f81d7dfbfd5f7692f502f84099a
[INFO] checking happyhacks/lld-snakes-ladders against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhappyhacks%2Flld-snakes-ladders" "/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/happyhacks/lld-snakes-ladders
[INFO] finished tweaking git repo https://github.com/happyhacks/lld-snakes-ladders
[INFO] tweaked toml for git repo https://github.com/happyhacks/lld-snakes-ladders written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/happyhacks/lld-snakes-ladders on toolchain d7b15db413fd2070daa09a2c5b7f2ab38417429f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/happyhacks/lld-snakes-ladders 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" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a1ccaeb2f93a172dbf3dcc113be9e3f8aacbc128d86d258a67d95811525267c
[INFO] running `Command { std: "docker" "start" "-a" "9a1ccaeb2f93a172dbf3dcc113be9e3f8aacbc128d86d258a67d95811525267c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a1ccaeb2f93a172dbf3dcc113be9e3f8aacbc128d86d258a67d95811525267c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a1ccaeb2f93a172dbf3dcc113be9e3f8aacbc128d86d258a67d95811525267c", kill_on_drop: false }`
[INFO] [stdout] 9a1ccaeb2f93a172dbf3dcc113be9e3f8aacbc128d86d258a67d95811525267c
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5ab74091f369de85d20bedc0dbd48a7551e3665a99e3cf11a3618d67c067252
[INFO] running `Command { std: "docker" "start" "-a" "f5ab74091f369de85d20bedc0dbd48a7551e3665a99e3cf11a3618d67c067252", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking serde_yaml v0.9.30
[INFO] [stderr]     Checking snakes-ladders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `winner` is never used
[INFO] [stdout]   --> src/game/board.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn winner(&self, pos: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `strategy` is never used
[INFO] [stdout]   --> src/game/dice.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Dice {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn strategy(mut self, strategy: Strategy) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_winner` is never used
[INFO] [stdout]   --> src/game/player.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl MoveState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 35 |     pub fn is_winner(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `winner` is never used
[INFO] [stdout]   --> src/game/board.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn winner(&self, pos: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_winner` is never used
[INFO] [stdout]   --> src/game/player.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl MoveState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 35 |     pub fn is_winner(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "f5ab74091f369de85d20bedc0dbd48a7551e3665a99e3cf11a3618d67c067252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ab74091f369de85d20bedc0dbd48a7551e3665a99e3cf11a3618d67c067252", kill_on_drop: false }`
[INFO] [stdout] f5ab74091f369de85d20bedc0dbd48a7551e3665a99e3cf11a3618d67c067252