[INFO] cloning repository https://github.com/sergemalo/sm-checkers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sergemalo/sm-checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergemalo%2Fsm-checkers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergemalo%2Fsm-checkers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] df7fa921f7b7a003b50f8e9358eabdc113c30f4b [INFO] building sergemalo/sm-checkers against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergemalo%2Fsm-checkers" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sergemalo/sm-checkers on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sergemalo/sm-checkers [INFO] finished tweaking git repo https://github.com/sergemalo/sm-checkers [INFO] tweaked toml for git repo https://github.com/sergemalo/sm-checkers written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sergemalo/sm-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc74c672a3628268230e0c2faa1b84f7a9e31e42cd57a3377559868502c78123 [INFO] running `Command { std: "docker" "start" "-a" "fc74c672a3628268230e0c2faa1b84f7a9e31e42cd57a3377559868502c78123", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc74c672a3628268230e0c2faa1b84f7a9e31e42cd57a3377559868502c78123", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc74c672a3628268230e0c2faa1b84f7a9e31e42cd57a3377559868502c78123", kill_on_drop: false }` [INFO] [stdout] fc74c672a3628268230e0c2faa1b84f7a9e31e42cd57a3377559868502c78123 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c451619864877557d996f771573c843e866831adb23592acae43db224adbdaf [INFO] running `Command { std: "docker" "start" "-a" "8c451619864877557d996f771573c843e866831adb23592acae43db224adbdaf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling sm_checkers_base v0.1.0 (/opt/rustwide/workdir/sm_checkers_base) [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling getrandom v0.2.14 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling sm_checkers_players v0.1.0 (/opt/rustwide/workdir/sm_checkers_players) [INFO] [stdout] warning: fields `weights` and `eta` are never read [INFO] [stdout] --> sm_checkers_players/src/player_bot_ai.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct PlayerBotAI { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | weights: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 16 | eta: f64 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `WeightType` is never used [INFO] [stdout] --> sm_checkers_players/src/player_bot_ai.rs:32:6 [INFO] [stdout] | [INFO] [stdout] 32 | enum WeightType { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_board_value_approx` is never used [INFO] [stdout] --> sm_checkers_players/src/player_bot_ai.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 43 | impl PlayerBotAI { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 44 | // This is the V'hat function [INFO] [stdout] 45 | fn get_board_value_approx(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sm-checkers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `remove_observer` is never used [INFO] [stdout] --> src/checkers_game.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub trait Subject { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 13 | fn register_observer(&mut self, bo: Rc>); [INFO] [stdout] 14 | fn remove_observer(&mut self, bo: Rc>); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.27s [INFO] running `Command { std: "docker" "inspect" "8c451619864877557d996f771573c843e866831adb23592acae43db224adbdaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c451619864877557d996f771573c843e866831adb23592acae43db224adbdaf", kill_on_drop: false }` [INFO] [stdout] 8c451619864877557d996f771573c843e866831adb23592acae43db224adbdaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 848bc7f7c33c66c687384fc61397ce45a43c2d8c0e6beac20b8080e45928ba43 [INFO] running `Command { std: "docker" "start" "-a" "848bc7f7c33c66c687384fc61397ce45a43c2d8c0e6beac20b8080e45928ba43", kill_on_drop: false }` [INFO] [stdout] warning: fields `weights` and `eta` are never read [INFO] [stdout] --> sm_checkers_players/src/player_bot_ai.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct PlayerBotAI { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | weights: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 16 | eta: f64 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sm-checkers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `WeightType` is never used [INFO] [stdout] --> sm_checkers_players/src/player_bot_ai.rs:32:6 [INFO] [stdout] | [INFO] [stdout] 32 | enum WeightType { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_board_value_approx` is never used [INFO] [stdout] --> sm_checkers_players/src/player_bot_ai.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 43 | impl PlayerBotAI { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 44 | // This is the V'hat function [INFO] [stdout] 45 | fn get_board_value_approx(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `remove_observer` is never used [INFO] [stdout] --> src/checkers_game.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub trait Subject { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] 13 | fn register_observer(&mut self, bo: Rc>); [INFO] [stdout] 14 | fn remove_observer(&mut self, bo: Rc>); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "848bc7f7c33c66c687384fc61397ce45a43c2d8c0e6beac20b8080e45928ba43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "848bc7f7c33c66c687384fc61397ce45a43c2d8c0e6beac20b8080e45928ba43", kill_on_drop: false }` [INFO] [stdout] 848bc7f7c33c66c687384fc61397ce45a43c2d8c0e6beac20b8080e45928ba43