[INFO] cloning repository https://github.com/dyerw/multi-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dyerw/multi-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyerw%2Fmulti-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyerw%2Fmulti-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a75a80d7262a035b1faed6c7d84052c18e2ce2ee
[INFO] checking dyerw/multi-chess against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyerw%2Fmulti-chess" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dyerw/multi-chess on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dyerw/multi-chess
[INFO] finished tweaking git repo https://github.com/dyerw/multi-chess
[INFO] tweaked toml for git repo https://github.com/dyerw/multi-chess written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate git repo https://github.com/dyerw/multi-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73928b9646eec7f421703a454e473128913efd62cc6687ef65c1fc56660ef5cb
[INFO] running `Command { std: "docker" "start" "-a" "73928b9646eec7f421703a454e473128913efd62cc6687ef65c1fc56660ef5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73928b9646eec7f421703a454e473128913efd62cc6687ef65c1fc56660ef5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73928b9646eec7f421703a454e473128913efd62cc6687ef65c1fc56660ef5cb", kill_on_drop: false }`
[INFO] [stdout] 73928b9646eec7f421703a454e473128913efd62cc6687ef65c1fc56660ef5cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ae2e0339f81babf11e1b2ecc7f628232074f750b136ddf05a73c90a81e16a10
[INFO] running `Command { std: "docker" "start" "-a" "9ae2e0339f81babf11e1b2ecc7f628232074f750b136ddf05a73c90a81e16a10", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling actix-macros v0.2.3
[INFO] [stderr]    Compiling actix_derive v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking actix-rt v2.3.0
[INFO] [stderr]     Checking actix v0.12.0
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking multi-chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/actor/session.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/actor/session.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/actor/session.rs:71:42
[INFO] [stdout]    |
[INFO] [stdout] 71 |                         .then(|res, act, ctx| {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/actor/session.rs:71:42
[INFO] [stdout]    |
[INFO] [stdout] 71 |                         .then(|res, act, ctx| {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `game`
[INFO] [stdout]  --> src/actor/lobby.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     game: Option<Game>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `white_player`
[INFO] [stdout]   --> src/actor/lobby.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     white_player: Option<Addr<Session>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `black_player`
[INFO] [stdout]   --> src/actor/lobby.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     black_player: Option<Addr<Session>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `LobbyError`
[INFO] [stdout]   --> src/actor/lobby.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum LobbyError {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_game`
[INFO] [stdout]   --> src/actor/lobby.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn start_game(&mut self) -> Result<(), LobbyError> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_player`
[INFO] [stdout]   --> src/actor/lobby.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn add_player(&mut self, player_session: Addr<Session>) -> Result<(), LobbyError> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tcp_stream_write`
[INFO] [stdout]   --> src/actor/session.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     tcp_stream_write: FramedWrite<Frame, WriteHalf<TcpStream>, FrameCodec>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `turn`
[INFO] [stdout]   --> src/game.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     turn: Color,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `game`
[INFO] [stdout]  --> src/actor/lobby.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     game: Option<Game>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `white_player`
[INFO] [stdout]   --> src/actor/lobby.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     white_player: Option<Addr<Session>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `black_player`
[INFO] [stdout]   --> src/actor/lobby.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     black_player: Option<Addr<Session>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `LobbyError`
[INFO] [stdout]   --> src/actor/lobby.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum LobbyError {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_game`
[INFO] [stdout]   --> src/actor/lobby.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn start_game(&mut self) -> Result<(), LobbyError> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_player`
[INFO] [stdout]   --> src/actor/lobby.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn add_player(&mut self, player_session: Addr<Session>) -> Result<(), LobbyError> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tcp_stream_write`
[INFO] [stdout]   --> src/actor/session.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     tcp_stream_write: FramedWrite<Frame, WriteHalf<TcpStream>, FrameCodec>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `turn`
[INFO] [stdout]   --> src/game.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     turn: Color,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Position`, `game::GameMessage`
[INFO] [stdout]  --> src/bin/test_client.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     game::{Color, Position},
[INFO] [stdout]   |            ^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     message::{game::GameMessage, lobby::LobbyMessage},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Color`, `Position`, `game::GameMessage`
[INFO] [stdout]  --> src/bin/test_client.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     game::{Color, Position},
[INFO] [stdout]   |            ^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     message::{game::GameMessage, lobby::LobbyMessage},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "9ae2e0339f81babf11e1b2ecc7f628232074f750b136ddf05a73c90a81e16a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae2e0339f81babf11e1b2ecc7f628232074f750b136ddf05a73c90a81e16a10", kill_on_drop: false }`
[INFO] [stdout] 9ae2e0339f81babf11e1b2ecc7f628232074f750b136ddf05a73c90a81e16a10