[INFO] cloning repository https://github.com/Crazytieguy/checkers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Crazytieguy/checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrazytieguy%2Fcheckers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrazytieguy%2Fcheckers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8f217c344bbb4c8b5fb1c694711faacb4607602 [INFO] checking Crazytieguy/checkers against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrazytieguy%2Fcheckers" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Crazytieguy/checkers on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Crazytieguy/checkers [INFO] finished tweaking git repo https://github.com/Crazytieguy/checkers [INFO] tweaked toml for git repo https://github.com/Crazytieguy/checkers written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Crazytieguy/checkers 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ada431839465b1f7d8bfe6f5a80c79f84153a6fefe35f52fbded88ab95c9fb2 [INFO] running `Command { std: "docker" "start" "-a" "4ada431839465b1f7d8bfe6f5a80c79f84153a6fefe35f52fbded88ab95c9fb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ada431839465b1f7d8bfe6f5a80c79f84153a6fefe35f52fbded88ab95c9fb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ada431839465b1f7d8bfe6f5a80c79f84153a6fefe35f52fbded88ab95c9fb2", kill_on_drop: false }` [INFO] [stdout] 4ada431839465b1f7d8bfe6f5a80c79f84153a6fefe35f52fbded88ab95c9fb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f55dc00fd01ab9f309e4fcaaf6a2627137d0abeea120a238a78c7d6f38d3e030 [INFO] running `Command { std: "docker" "start" "-a" "f55dc00fd01ab9f309e4fcaaf6a2627137d0abeea120a238a78c7d6f38d3e030", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Checking checkers_game v0.1.0 (/opt/rustwide/workdir/checkers_game) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> checkers_game/src/lib.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 122 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 125 | ) -> impl Iterator { [INFO] [stdout] | --------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 125 | ) -> impl Iterator> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> checkers_game/src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 143 | ) -> Option { [INFO] [stdout] | --------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 143 | ) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> checkers_game/src/lib.rs:173:28 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn all_valid_moves(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 173 | pub fn all_valid_moves(&self) -> impl Iterator> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> checkers_game/src/lib.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 122 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 125 | ) -> impl Iterator { [INFO] [stdout] | --------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 125 | ) -> impl Iterator> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> checkers_game/src/lib.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | &self, [INFO] [stdout] | ^^^^^ this lifetime flows to the output [INFO] [stdout] ... [INFO] [stdout] 143 | ) -> Option { [INFO] [stdout] | --------- the lifetime gets resolved as `'_` [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 143 | ) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> checkers_game/src/lib.rs:173:28 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn all_valid_moves(&self) -> impl Iterator { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 173 | pub fn all_valid_moves(&self) -> impl Iterator> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking checkers_ai v0.1.0 (/opt/rustwide/workdir/checkers_ai) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> checkers_ai/src/lib.rs:6:25 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn pick_move(state: &Game) -> Option { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 6 | pub fn pick_move(state: &Game) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> checkers_ai/src/lib.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | fn search(state: &Game, depth: u8) -> (i8, Option) { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 10 | fn search(state: &Game, depth: u8) -> (i8, Option>) { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> checkers_ai/src/lib.rs:6:25 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn pick_move(state: &Game) -> Option { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 6 | pub fn pick_move(state: &Game) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> checkers_ai/src/lib.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | fn search(state: &Game, depth: u8) -> (i8, Option) { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 10 | fn search(state: &Game, depth: u8) -> (i8, Option>) { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "f55dc00fd01ab9f309e4fcaaf6a2627137d0abeea120a238a78c7d6f38d3e030", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f55dc00fd01ab9f309e4fcaaf6a2627137d0abeea120a238a78c7d6f38d3e030", kill_on_drop: false }` [INFO] [stdout] f55dc00fd01ab9f309e4fcaaf6a2627137d0abeea120a238a78c7d6f38d3e030