[INFO] cloning repository https://github.com/Trangar/mayjun_2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Trangar/mayjun_2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrangar%2Fmayjun_2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrangar%2Fmayjun_2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e51be1695882c4f50a70959f9bda45dbaea3d37
[INFO] checking Trangar/mayjun_2017 against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrangar%2Fmayjun_2017" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Trangar/mayjun_2017
[INFO] finished tweaking git repo https://github.com/Trangar/mayjun_2017
[INFO] tweaked toml for git repo https://github.com/Trangar/mayjun_2017 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Trangar/mayjun_2017 on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Trangar/mayjun_2017 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1247ae6e344d8495881ec21f8b142b065daf9ee9e7e845a9ac3c645369a496d3
[INFO] running `Command { std: "docker" "start" "1247ae6e344d8495881ec21f8b142b065daf9ee9e7e845a9ac3c645369a496d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1247ae6e344d8495881ec21f8b142b065daf9ee9e7e845a9ac3c645369a496d3" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1247ae6e344d8495881ec21f8b142b065daf9ee9e7e845a9ac3c645369a496d3", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `Rc` and `Weak`
[INFO] [stdout]  --> src/cards/mod.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use std::rc::{Rc, Weak};
[INFO] [stdout]   |                   ^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rc` and `Weak`
[INFO] [stdout]  --> src/cards/mod.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use std::rc::{Rc, Weak};
[INFO] [stdout]   |                   ^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/gamestate/player.rs:57:39
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if let Some(card) = self.deck.try_remove(0) {
[INFO] [stdout]    |                                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `VecUtils::try_remove(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(vec_try_remove)]` to the crate attributes to enable `Vec::<T, A>::try_remove`
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_try_remove)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/gamestate/mod.rs:84:59
[INFO] [stdout]    |
[INFO] [stdout] 84 |             AreaReference::PlayerHand => self.player.hand.try_remove(reference.index),
[INFO] [stdout]    |                                                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `VecUtils::try_remove(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_try_remove)]` to the crate attributes to enable `Vec::<T, A>::try_remove`
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_try_remove)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/gamestate/mod.rs:85:61
[INFO] [stdout]    |
[INFO] [stdout] 85 |             AreaReference::PlayerField => self.player.field.try_remove(reference.index),
[INFO] [stdout]    |                                                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `VecUtils::try_remove(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_try_remove)]` to the crate attributes to enable `Vec::<T, A>::try_remove`
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_try_remove)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/gamestate/mod.rs:86:63
[INFO] [stdout]    |
[INFO] [stdout] 86 |             AreaReference::OpponentHand => self.opponent.hand.try_remove(reference.index),
[INFO] [stdout]    |                                                               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `VecUtils::try_remove(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_try_remove)]` to the crate attributes to enable `Vec::<T, A>::try_remove`
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_try_remove)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/gamestate/mod.rs:87:65
[INFO] [stdout]    |
[INFO] [stdout] 87 |             AreaReference::OpponentField => self.opponent.field.try_remove(reference.index),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `VecUtils::try_remove(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_try_remove)]` to the crate attributes to enable `Vec::<T, A>::try_remove`
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_try_remove)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/gamestate/player.rs:57:39
[INFO] [stdout]    |
[INFO] [stdout] 57 |         if let Some(card) = self.deck.try_remove(0) {
[INFO] [stdout]    |                                       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `VecUtils::try_remove(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(vec_try_remove)]` to the crate attributes to enable `Vec::<T, A>::try_remove`
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_try_remove)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/gamestate/mod.rs:84:59
[INFO] [stdout]    |
[INFO] [stdout] 84 |             AreaReference::PlayerHand => self.player.hand.try_remove(reference.index),
[INFO] [stdout]    |                                                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `VecUtils::try_remove(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_try_remove)]` to the crate attributes to enable `Vec::<T, A>::try_remove`
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_try_remove)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/gamestate/mod.rs:85:61
[INFO] [stdout]    |
[INFO] [stdout] 85 |             AreaReference::PlayerField => self.player.field.try_remove(reference.index),
[INFO] [stdout]    |                                                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `VecUtils::try_remove(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_try_remove)]` to the crate attributes to enable `Vec::<T, A>::try_remove`
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_try_remove)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/gamestate/mod.rs:86:63
[INFO] [stdout]    |
[INFO] [stdout] 86 |             AreaReference::OpponentHand => self.opponent.hand.try_remove(reference.index),
[INFO] [stdout]    |                                                               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `VecUtils::try_remove(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_try_remove)]` to the crate attributes to enable `Vec::<T, A>::try_remove`
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_try_remove)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/gamestate/mod.rs:87:65
[INFO] [stdout]    |
[INFO] [stdout] 87 |             AreaReference::OpponentField => self.opponent.field.try_remove(reference.index),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: call with fully qualified syntax `VecUtils::try_remove(...)` to keep using the current method
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] help: add `#![feature(vec_try_remove)]` to the crate attributes to enable `Vec::<T, A>::try_remove`
[INFO] [stdout]   --> src/main.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 + #![feature(vec_try_remove)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cost`, `attack`, `health`, `health_mut`, and `debug_text` are never used
[INFO] [stdout]   --> src/cards/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Card {
[INFO] [stdout]    |           ---- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn cost(&self) -> Vec<(ResourceType, u8)>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn attack(&self) -> Option<&u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn health(&self) -> Option<&u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn health_mut(&mut self) -> Option<&mut u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn debug_text(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `health` is never read
[INFO] [stdout]  --> src/cards/light_elemental.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct LightElemental {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 7 |     pub health: u8,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LightElemental` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `health`, and `resources` are never read
[INFO] [stdout]  --> src/gamestate/player.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Player {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 7 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 8 |     pub health: i32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 9 |     pub resources: Vec<(ResourceType, u8)>,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `cost`, `attack`, `health`, `health_mut`, and `debug_text` are never used
[INFO] [stdout]   --> src/cards/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait Card {
[INFO] [stdout]    |           ---- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn cost(&self) -> Vec<(ResourceType, u8)>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn attack(&self) -> Option<&u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn health(&self) -> Option<&u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn health_mut(&mut self) -> Option<&mut u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn debug_text(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `health` is never read
[INFO] [stdout]  --> src/cards/light_elemental.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct LightElemental {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 7 |     pub health: u8,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LightElemental` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `health`, and `resources` are never read
[INFO] [stdout]  --> src/gamestate/player.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Player {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 7 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 8 |     pub health: i32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 9 |     pub resources: Vec<(ResourceType, u8)>,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: glutin v0.19.0, winit v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "1247ae6e344d8495881ec21f8b142b065daf9ee9e7e845a9ac3c645369a496d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1247ae6e344d8495881ec21f8b142b065daf9ee9e7e845a9ac3c645369a496d3", kill_on_drop: false }`
[INFO] [stdout] 1247ae6e344d8495881ec21f8b142b065daf9ee9e7e845a9ac3c645369a496d3
