[INFO] cloning repository https://github.com/NinjaNas/BlackJack [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NinjaNas/BlackJack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinjaNas%2FBlackJack", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinjaNas%2FBlackJack'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 81179c9cde70f7d757ff14b2f873e06b37cd385f [INFO] checking NinjaNas/BlackJack against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinjaNas%2FBlackJack" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NinjaNas/BlackJack on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NinjaNas/BlackJack [INFO] finished tweaking git repo https://github.com/NinjaNas/BlackJack [INFO] tweaked toml for git repo https://github.com/NinjaNas/BlackJack written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/NinjaNas/BlackJack 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded standback v0.2.13 [INFO] [stderr] Downloaded time v0.2.23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29ad46c20cb8ac9e1c1a23cb6184900f2dd88c021458af5d9902be8e11e9f6f4 [INFO] running `Command { std: "docker" "start" "-a" "29ad46c20cb8ac9e1c1a23cb6184900f2dd88c021458af5d9902be8e11e9f6f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29ad46c20cb8ac9e1c1a23cb6184900f2dd88c021458af5d9902be8e11e9f6f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29ad46c20cb8ac9e1c1a23cb6184900f2dd88c021458af5d9902be8e11e9f6f4", kill_on_drop: false }` [INFO] [stdout] 29ad46c20cb8ac9e1c1a23cb6184900f2dd88c021458af5d9902be8e11e9f6f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 997b64f90a6c08cd0ea6d23ebbb8bfdfa0c66475cb1402b048834f4cfb91dadf [INFO] running `Command { std: "docker" "start" "-a" "997b64f90a6c08cd0ea6d23ebbb8bfdfa0c66475cb1402b048834f4cfb91dadf", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling standback v0.2.13 [INFO] [stderr] Compiling time v0.2.23 [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 time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking black_jack v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/lib/gamestate.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/lib/gamestate.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib/gamecoordinator.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | drop(player_game); [INFO] [stdout] | ^^^^^-----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut GameState` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib/gamecoordinator.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | drop(player_game); [INFO] [stdout] | ^^^^^-----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut GameState` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.19s [INFO] running `Command { std: "docker" "inspect" "997b64f90a6c08cd0ea6d23ebbb8bfdfa0c66475cb1402b048834f4cfb91dadf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "997b64f90a6c08cd0ea6d23ebbb8bfdfa0c66475cb1402b048834f4cfb91dadf", kill_on_drop: false }` [INFO] [stdout] 997b64f90a6c08cd0ea6d23ebbb8bfdfa0c66475cb1402b048834f4cfb91dadf [INFO] checking NinjaNas/BlackJack against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinjaNas%2FBlackJack" "/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/NinjaNas/BlackJack on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NinjaNas/BlackJack [INFO] finished tweaking git repo https://github.com/NinjaNas/BlackJack [INFO] tweaked toml for git repo https://github.com/NinjaNas/BlackJack written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/NinjaNas/BlackJack 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b76318513de3ba177f34586ae62d89b922bf559e4f9610130db73e5a1620ee0f [INFO] running `Command { std: "docker" "start" "-a" "b76318513de3ba177f34586ae62d89b922bf559e4f9610130db73e5a1620ee0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b76318513de3ba177f34586ae62d89b922bf559e4f9610130db73e5a1620ee0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b76318513de3ba177f34586ae62d89b922bf559e4f9610130db73e5a1620ee0f", kill_on_drop: false }` [INFO] [stdout] b76318513de3ba177f34586ae62d89b922bf559e4f9610130db73e5a1620ee0f [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f46505acabd6aa5a06d6b8ebc4d4c977fc454b4f0bd0fabbb9d42e8385e0643 [INFO] running `Command { std: "docker" "start" "-a" "3f46505acabd6aa5a06d6b8ebc4d4c977fc454b4f0bd0fabbb9d42e8385e0643", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling standback v0.2.13 [INFO] [stderr] Compiling time v0.2.23 [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 time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking black_jack v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/lib/gamestate.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/lib/gamestate.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib/gamecoordinator.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | drop(player_game); [INFO] [stdout] | ^^^^^-----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut GameState` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib/gamecoordinator.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | drop(player_game); [INFO] [stdout] | ^^^^^-----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut GameState` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.50s [INFO] running `Command { std: "docker" "inspect" "3f46505acabd6aa5a06d6b8ebc4d4c977fc454b4f0bd0fabbb9d42e8385e0643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f46505acabd6aa5a06d6b8ebc4d4c977fc454b4f0bd0fabbb9d42e8385e0643", kill_on_drop: false }` [INFO] [stdout] 3f46505acabd6aa5a06d6b8ebc4d4c977fc454b4f0bd0fabbb9d42e8385e0643