[INFO] cloning repository https://github.com/cmr/multiway-tug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmr/multiway-tug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmr%2Fmultiway-tug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmr%2Fmultiway-tug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 882fd07e17cab6c53b171c31af2b5831887e02c9
[INFO] checking cmr/multiway-tug against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmr%2Fmultiway-tug" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmr/multiway-tug on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cmr/multiway-tug
[INFO] finished tweaking git repo https://github.com/cmr/multiway-tug
[INFO] tweaked toml for git repo https://github.com/cmr/multiway-tug written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cmr/multiway-tug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui v0.6.1
[INFO] [stderr]   Downloaded serde_cbor v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c9b44c1db33832c634226479c8041fb2d180552b5052798829fb41f2055fb38
[INFO] running `Command { std: "docker" "start" "-a" "9c9b44c1db33832c634226479c8041fb2d180552b5052798829fb41f2055fb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c9b44c1db33832c634226479c8041fb2d180552b5052798829fb41f2055fb38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9b44c1db33832c634226479c8041fb2d180552b5052798829fb41f2055fb38", kill_on_drop: false }`
[INFO] [stdout] 9c9b44c1db33832c634226479c8041fb2d180552b5052798829fb41f2055fb38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3d0932f64f582c9af671a6ffb735c56db207049943f26bff0183da302cf6d4a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3d0932f64f582c9af671a6ffb735c56db207049943f26bff0183da302cf6d4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking tui v0.6.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.32
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rand_pcg v0.2.0
[INFO] [stderr]     Checking serde_cbor v0.10.0
[INFO] [stderr]     Checking multiway-tug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `for_new`
[INFO] [stdout]    --> src/mechanics.rs:194:25
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn reset(&mut self, for_new: bool) {
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_for_new`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `for_new`
[INFO] [stdout]    --> src/mechanics.rs:194:25
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn reset(&mut self, for_new: bool) {
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_for_new`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_two`
[INFO] [stdout]    --> src/mechanics.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn add_two(&mut self, [a, b]: [Card; 2]) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `drain_player`
[INFO] [stdout]    --> src/mechanics.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn drain_player(&mut self, pid: PlayerId) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]    --> src/mechanics.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn reset(&mut self, for_new: bool) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_control_and_score`
[INFO] [stdout]    --> src/mechanics.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn update_control_and_score(&mut self) -> Option<PlayerId> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_two`
[INFO] [stdout]    --> src/mechanics.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn add_two(&mut self, [a, b]: [Card; 2]) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `drain_player`
[INFO] [stdout]    --> src/mechanics.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn drain_player(&mut self, pid: PlayerId) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]    --> src/mechanics.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn reset(&mut self, for_new: bool) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_control_and_score`
[INFO] [stdout]    --> src/mechanics.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 |     fn update_control_and_score(&mut self) -> Option<PlayerId> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/mechanics.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         serde_cbor::to_writer(&mut cursor, self);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/mechanics.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         serde_cbor::to_writer(&mut cursor, self);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::event::Key`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use termion::event::Key;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::event::Key`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use termion::event::Key;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TuiBehavior`
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct TuiBehavior();
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TuiBehavior`
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct TuiBehavior();
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         terminal.draw(|mut f| {
[INFO] [stdout] 38 | |             let mut other_player_cards = multiway_tug::CardsWidget(&gs.players[0].hand, &gs, true);
[INFO] [stdout] 39 | |             let mut our_cards = multiway_tug::CardsWidget(&gs.players[1].hand, &gs, false);
[INFO] [stdout] 40 | |             let (ox, oy) = other_player_cards.bounds();
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |             f.render(&mut our_cards, Rect::new(24 - (ox / 2), 14, ox, oy));
[INFO] [stdout] 51 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         terminal.draw(|mut f| {
[INFO] [stdout] 38 | |             let mut other_player_cards = multiway_tug::CardsWidget(&gs.players[0].hand, &gs, true);
[INFO] [stdout] 39 | |             let mut our_cards = multiway_tug::CardsWidget(&gs.players[1].hand, &gs, false);
[INFO] [stdout] 40 | |             let (ox, oy) = other_player_cards.bounds();
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |             f.render(&mut our_cards, Rect::new(24 - (ox / 2), 14, ox, oy));
[INFO] [stdout] 51 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.82s
[INFO] running `Command { std: "docker" "inspect" "b3d0932f64f582c9af671a6ffb735c56db207049943f26bff0183da302cf6d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d0932f64f582c9af671a6ffb735c56db207049943f26bff0183da302cf6d4a", kill_on_drop: false }`
[INFO] [stdout] b3d0932f64f582c9af671a6ffb735c56db207049943f26bff0183da302cf6d4a