[INFO] cloning repository https://github.com/mnussbaum/card-game [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mnussbaum/card-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnussbaum%2Fcard-game", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnussbaum%2Fcard-game'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 90252ec6a3d5d1c0a49ed9035f26dbe9d236885d [INFO] checking mnussbaum/card-game against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnussbaum%2Fcard-game" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mnussbaum/card-game on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mnussbaum/card-game [INFO] finished tweaking git repo https://github.com/mnussbaum/card-game [INFO] tweaked toml for git repo https://github.com/mnussbaum/card-game written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mnussbaum/card-game 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e48f2ceb895b228f9833e362fb7169c1032c95aa9ee433a52941359f844e0382 [INFO] running `Command { std: "docker" "start" "-a" "e48f2ceb895b228f9833e362fb7169c1032c95aa9ee433a52941359f844e0382", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e48f2ceb895b228f9833e362fb7169c1032c95aa9ee433a52941359f844e0382", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e48f2ceb895b228f9833e362fb7169c1032c95aa9ee433a52941359f844e0382", kill_on_drop: false }` [INFO] [stdout] e48f2ceb895b228f9833e362fb7169c1032c95aa9ee433a52941359f844e0382 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19a9ca8950556f7540db30100274e941199327498225f783db5d9ed41aa789bd [INFO] running `Command { std: "docker" "start" "-a" "19a9ca8950556f7540db30100274e941199327498225f783db5d9ed41aa789bd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking text_io v0.1.8 [INFO] [stderr] Checking yaml-rust v0.4.4 [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] Checking serde_yaml v0.8.13 [INFO] [stderr] Checking card-game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Action` [INFO] [stdout] --> src/game_state.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::game_rules::{Action, GameRules}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Action` [INFO] [stdout] --> src/game_state.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::game_rules::{Action, GameRules}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `game_state` [INFO] [stdout] --> src/game_rules.rs:231:23 [INFO] [stdout] | [INFO] [stdout] 231 | fn execute(&self, game_state: &mut GameState) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `game_state` [INFO] [stdout] --> src/game_rules.rs:231:23 [INFO] [stdout] | [INFO] [stdout] 231 | fn execute(&self, game_state: &mut GameState) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | for mut player in &mut players { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | for mut player in &mut players { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `std::string::String` to `std::string::String` [INFO] [stdout] --> src/game_rules.rs:60:32 [INFO] [stdout] | [INFO] [stdout] 60 | return Err(format!( [INFO] [stdout] | ________________________________^ [INFO] [stdout] 61 | | "Invalid card group owner name. Right now only 'communal_cards' is supported. Given: {}", [INFO] [stdout] 62 | | owner_name, [INFO] [stdout] 63 | | ).into()); [INFO] [stdout] | |____________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `std::string::String` to `std::string::String` [INFO] [stdout] --> src/game_rules.rs:94:32 [INFO] [stdout] | [INFO] [stdout] 94 | return Err(format!( [INFO] [stdout] | ________________________________^ [INFO] [stdout] 95 | | "Invalid card group owner name. Right now only 'communal_cards' is supported. Given: {}", [INFO] [stdout] 96 | | owner_name, [INFO] [stdout] 97 | | ).into()); [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `std::string::String` to `std::string::String` [INFO] [stdout] --> src/game_rules.rs:132:28 [INFO] [stdout] | [INFO] [stdout] 132 | return Err(format!( [INFO] [stdout] | ____________________________^ [INFO] [stdout] 133 | | "Player hand card group name doesn't match anything. Given: {}. Available: {}", [INFO] [stdout] 134 | | name, owners_card_groups_names, [INFO] [stdout] 135 | | ) [INFO] [stdout] 136 | | .into()); [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `std::string::String` to `std::string::String` [INFO] [stdout] --> src/game_rules.rs:178:28 [INFO] [stdout] | [INFO] [stdout] 178 | return Err(format!( [INFO] [stdout] | ____________________________^ [INFO] [stdout] 179 | | "Player hand card group name doesn't match anything. Given: {}. Available: {}", [INFO] [stdout] 180 | | name, owners_card_groups_names, [INFO] [stdout] 181 | | ) [INFO] [stdout] 182 | | .into()); [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | game_state.play_game(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = game_state.play_game(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `std::string::String` to `std::string::String` [INFO] [stdout] --> src/game_rules.rs:60:32 [INFO] [stdout] | [INFO] [stdout] 60 | return Err(format!( [INFO] [stdout] | ________________________________^ [INFO] [stdout] 61 | | "Invalid card group owner name. Right now only 'communal_cards' is supported. Given: {}", [INFO] [stdout] 62 | | owner_name, [INFO] [stdout] 63 | | ).into()); [INFO] [stdout] | |____________________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `std::string::String` to `std::string::String` [INFO] [stdout] --> src/game_rules.rs:94:32 [INFO] [stdout] | [INFO] [stdout] 94 | return Err(format!( [INFO] [stdout] | ________________________________^ [INFO] [stdout] 95 | | "Invalid card group owner name. Right now only 'communal_cards' is supported. Given: {}", [INFO] [stdout] 96 | | owner_name, [INFO] [stdout] 97 | | ).into()); [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `std::string::String` to `std::string::String` [INFO] [stdout] --> src/game_rules.rs:132:28 [INFO] [stdout] | [INFO] [stdout] 132 | return Err(format!( [INFO] [stdout] | ____________________________^ [INFO] [stdout] 133 | | "Player hand card group name doesn't match anything. Given: {}. Available: {}", [INFO] [stdout] 134 | | name, owners_card_groups_names, [INFO] [stdout] 135 | | ) [INFO] [stdout] 136 | | .into()); [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `std::string::String` to `std::string::String` [INFO] [stdout] --> src/game_rules.rs:178:28 [INFO] [stdout] | [INFO] [stdout] 178 | return Err(format!( [INFO] [stdout] | ____________________________^ [INFO] [stdout] 179 | | "Player hand card group name doesn't match anything. Given: {}. Available: {}", [INFO] [stdout] 180 | | name, owners_card_groups_names, [INFO] [stdout] 181 | | ) [INFO] [stdout] 182 | | .into()); [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | game_state.play_game(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = game_state.play_game(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `card-game` (bin "card-game") due to 4 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `card-game` (bin "card-game" test) due to 4 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "19a9ca8950556f7540db30100274e941199327498225f783db5d9ed41aa789bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19a9ca8950556f7540db30100274e941199327498225f783db5d9ed41aa789bd", kill_on_drop: false }` [INFO] [stdout] 19a9ca8950556f7540db30100274e941199327498225f783db5d9ed41aa789bd