[INFO] cloning repository https://github.com/juma-msft/Rust2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juma-msft/Rust2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuma-msft%2FRust2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuma-msft%2FRust2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f34aa5b5ab3b73dfefc20a44fb6dbe0e7da99e68
[INFO] checking juma-msft/Rust2048 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuma-msft%2FRust2048" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juma-msft/Rust2048 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juma-msft/Rust2048
[INFO] finished tweaking git repo https://github.com/juma-msft/Rust2048
[INFO] tweaked toml for git repo https://github.com/juma-msft/Rust2048 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/juma-msft/Rust2048 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winrt_gen_macros v0.7.0
[INFO] [stderr]   Downloaded winrt_macros v0.7.0
[INFO] [stderr]   Downloaded winrt v0.7.0
[INFO] [stderr]   Downloaded winrt_gen v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9756c9dc8d1cb5038916a8f1d24e8ed855e3b199b42c95eec9ce69191af605b
[INFO] running `Command { std: "docker" "start" "-a" "b9756c9dc8d1cb5038916a8f1d24e8ed855e3b199b42c95eec9ce69191af605b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9756c9dc8d1cb5038916a8f1d24e8ed855e3b199b42c95eec9ce69191af605b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9756c9dc8d1cb5038916a8f1d24e8ed855e3b199b42c95eec9ce69191af605b", kill_on_drop: false }`
[INFO] [stdout] b9756c9dc8d1cb5038916a8f1d24e8ed855e3b199b42c95eec9ce69191af605b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 001bd5da6768e3536743b0434d245c1332424943df63e4dcb983f799aa333415
[INFO] running `Command { std: "docker" "start" "-a" "001bd5da6768e3536743b0434d245c1332424943df63e4dcb983f799aa333415", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling winrt_gen_macros v0.7.0
[INFO] [stderr]    Compiling winrt_gen v0.7.0
[INFO] [stderr]    Compiling winrt_macros v0.7.0
[INFO] [stderr]     Checking winrt v0.7.0
[INFO] [stderr]     Checking rust_2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `board` found for struct `game::Game` in the current scope
[INFO] [stdout]    --> src/game.rs:172:23
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct Game {
[INFO] [stdout]     | --------------- method `board` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 172 |         let board = g.board().as_slice();
[INFO] [stdout]     |                       ^^^^^ field, not a method
[INFO] [stdout]     |
[INFO] [stdout] help: remove the arguments
[INFO] [stdout]     |
[INFO] [stdout] 172 -         let board = g.board().as_slice();
[INFO] [stdout] 172 +         let board = g.board.as_slice();
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `dump_board` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let board = g.dump_board().as_slice();
[INFO] [stdout]     |                       ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `board` found for struct `game::Game` in the current scope
[INFO] [stdout]    --> src/game.rs:189:23
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct Game {
[INFO] [stdout]     | --------------- method `board` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 189 |         let board = g.board().as_slice();
[INFO] [stdout]     |                       ^^^^^ field, not a method
[INFO] [stdout]     |
[INFO] [stdout] help: remove the arguments
[INFO] [stdout]     |
[INFO] [stdout] 189 -         let board = g.board().as_slice();
[INFO] [stdout] 189 +         let board = g.board.as_slice();
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `dump_board` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let board = g.dump_board().as_slice();
[INFO] [stdout]     |                       ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `board` found for struct `game::Game` in the current scope
[INFO] [stdout]    --> src/game.rs:207:23
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct Game {
[INFO] [stdout]     | --------------- method `board` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 207 |         let board = g.board().as_slice();
[INFO] [stdout]     |                       ^^^^^ field, not a method
[INFO] [stdout]     |
[INFO] [stdout] help: remove the arguments
[INFO] [stdout]     |
[INFO] [stdout] 207 -         let board = g.board().as_slice();
[INFO] [stdout] 207 +         let board = g.board.as_slice();
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `dump_board` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let board = g.dump_board().as_slice();
[INFO] [stdout]     |                       ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `board` found for struct `game::Game` in the current scope
[INFO] [stdout]    --> src/game.rs:224:23
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct Game {
[INFO] [stdout]     | --------------- method `board` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 224 |         let board = g.board().as_slice();
[INFO] [stdout]     |                       ^^^^^ field, not a method
[INFO] [stdout]     |
[INFO] [stdout] help: remove the arguments
[INFO] [stdout]     |
[INFO] [stdout] 224 -         let board = g.board().as_slice();
[INFO] [stdout] 224 +         let board = g.board.as_slice();
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `dump_board` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let board = g.dump_board().as_slice();
[INFO] [stdout]     |                       ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `board` found for struct `game::Game` in the current scope
[INFO] [stdout]    --> src/game.rs:241:23
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct Game {
[INFO] [stdout]     | --------------- method `board` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 241 |         let board = g.board().as_slice();
[INFO] [stdout]     |                       ^^^^^ field, not a method
[INFO] [stdout]     |
[INFO] [stdout] help: remove the arguments
[INFO] [stdout]     |
[INFO] [stdout] 241 -         let board = g.board().as_slice();
[INFO] [stdout] 241 +         let board = g.board.as_slice();
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `dump_board` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 241 |         let board = g.dump_board().as_slice();
[INFO] [stdout]     |                       ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `board` found for struct `game::Game` in the current scope
[INFO] [stdout]    --> src/game.rs:259:23
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct Game {
[INFO] [stdout]     | --------------- method `board` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 259 |         let board = g.board().as_slice();
[INFO] [stdout]     |                       ^^^^^ field, not a method
[INFO] [stdout]     |
[INFO] [stdout] help: remove the arguments
[INFO] [stdout]     |
[INFO] [stdout] 259 -         let board = g.board().as_slice();
[INFO] [stdout] 259 +         let board = g.board.as_slice();
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `dump_board` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let board = g.dump_board().as_slice();
[INFO] [stdout]     |                       ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `board` found for struct `game::Game` in the current scope
[INFO] [stdout]    --> src/game.rs:277:23
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct Game {
[INFO] [stdout]     | --------------- method `board` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 277 |         let board = g.board().as_slice();
[INFO] [stdout]     |                       ^^^^^ field, not a method
[INFO] [stdout]     |
[INFO] [stdout] help: remove the arguments
[INFO] [stdout]     |
[INFO] [stdout] 277 -         let board = g.board().as_slice();
[INFO] [stdout] 277 +         let board = g.board.as_slice();
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `dump_board` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let board = g.dump_board().as_slice();
[INFO] [stdout]     |                       ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `board` found for struct `game::Game` in the current scope
[INFO] [stdout]    --> src/game.rs:295:23
[INFO] [stdout]     |
[INFO] [stdout] 21  | pub struct Game {
[INFO] [stdout]     | --------------- method `board` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 295 |         let board = g.board().as_slice();
[INFO] [stdout]     |                       ^^^^^ field, not a method
[INFO] [stdout]     |
[INFO] [stdout] help: remove the arguments
[INFO] [stdout]     |
[INFO] [stdout] 295 -         let board = g.board().as_slice();
[INFO] [stdout] 295 +         let board = g.board.as_slice();
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `dump_board` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 295 |         let board = g.dump_board().as_slice();
[INFO] [stdout]     |                       ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_2048` (bin "rust_2048" test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "001bd5da6768e3536743b0434d245c1332424943df63e4dcb983f799aa333415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001bd5da6768e3536743b0434d245c1332424943df63e4dcb983f799aa333415", kill_on_drop: false }`
[INFO] [stdout] 001bd5da6768e3536743b0434d245c1332424943df63e4dcb983f799aa333415