[INFO] cloning repository https://github.com/Cackbone/2048.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cackbone/2048.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCackbone%2F2048.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCackbone%2F2048.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9c58e9f2ea5fb12a56dd27087d6b618184fc8c6f [INFO] testing Cackbone/2048.rs against 1.47.0 for beta-1.48-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCackbone%2F2048.rs" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Cackbone/2048.rs on toolchain 1.47.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Cackbone/2048.rs [INFO] finished tweaking git repo https://github.com/Cackbone/2048.rs [INFO] tweaked toml for git repo https://github.com/Cackbone/2048.rs written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Cackbone/2048.rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c232636324e43b586f3517ff412b484ed676411dfa7a988cb267d09c866bdd52 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c232636324e43b586f3517ff412b484ed676411dfa7a988cb267d09c866bdd52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c232636324e43b586f3517ff412b484ed676411dfa7a988cb267d09c866bdd52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c232636324e43b586f3517ff412b484ed676411dfa7a988cb267d09c866bdd52", kill_on_drop: false }` [INFO] [stdout] c232636324e43b586f3517ff412b484ed676411dfa7a988cb267d09c866bdd52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7fe57ecb2b82d28ac069433c58f7810f6e456e2e638fefcd6a3d167b26e28ba5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7fe57ecb2b82d28ac069433c58f7810f6e456e2e638fefcd6a3d167b26e28ba5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.31 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling rust_2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:189:25 [INFO] [stdout] | [INFO] [stdout] 189 | print_line('-');; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grid_bis` is never read [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut grid_bis = [[0i8; 4];4]; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:97:28 [INFO] [stdout] | [INFO] [stdout] 97 | fn move_grid(d: Direction, mut grid: &mut [[i8; 4]; 4]) [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/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | fn add_tile(mut grid: &mut [[i8; 4]; 4]) [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | Command::new("clear").status(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 75 | Command::new("clear").status(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.18s [INFO] running `Command { std: "docker" "inspect" "7fe57ecb2b82d28ac069433c58f7810f6e456e2e638fefcd6a3d167b26e28ba5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fe57ecb2b82d28ac069433c58f7810f6e456e2e638fefcd6a3d167b26e28ba5", kill_on_drop: false }` [INFO] [stdout] 7fe57ecb2b82d28ac069433c58f7810f6e456e2e638fefcd6a3d167b26e28ba5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17632ec7805a134dba17d44bb5ff72b6d462d4bc5c5da5ecd55f1e3c27354adf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "17632ec7805a134dba17d44bb5ff72b6d462d4bc5c5da5ecd55f1e3c27354adf", kill_on_drop: false }` [INFO] [stderr] Compiling rust_2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:189:25 [INFO] [stdout] | [INFO] [stdout] 189 | print_line('-');; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `grid_bis` is never read [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let mut grid_bis = [[0i8; 4];4]; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:97:28 [INFO] [stdout] | [INFO] [stdout] 97 | fn move_grid(d: Direction, mut grid: &mut [[i8; 4]; 4]) [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/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | fn add_tile(mut grid: &mut [[i8; 4]; 4]) [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | Command::new("clear").status(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 75 | Command::new("clear").status(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "17632ec7805a134dba17d44bb5ff72b6d462d4bc5c5da5ecd55f1e3c27354adf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17632ec7805a134dba17d44bb5ff72b6d462d4bc5c5da5ecd55f1e3c27354adf", kill_on_drop: false }` [INFO] [stdout] 17632ec7805a134dba17d44bb5ff72b6d462d4bc5c5da5ecd55f1e3c27354adf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b7196d8d26f3c0e530f345ede74b2513425f202aaca4bf406bfb30b4d0f6034b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b7196d8d26f3c0e530f345ede74b2513425f202aaca4bf406bfb30b4d0f6034b", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:189:25 [INFO] [stderr] | [INFO] [stderr] 189 | print_line('-');; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `grid_bis` is never read [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let mut grid_bis = [[0i8; 4];4]; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:97:28 [INFO] [stderr] | [INFO] [stderr] 97 | fn move_grid(d: Direction, mut grid: &mut [[i8; 4]; 4]) [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:137:13 [INFO] [stderr] | [INFO] [stderr] 137 | fn add_tile(mut grid: &mut [[i8; 4]; 4]) [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | Command::new("clear").status(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | Command::new("clear").status(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_2048-320ccbd3d0c7f707 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b7196d8d26f3c0e530f345ede74b2513425f202aaca4bf406bfb30b4d0f6034b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7196d8d26f3c0e530f345ede74b2513425f202aaca4bf406bfb30b4d0f6034b", kill_on_drop: false }` [INFO] [stdout] b7196d8d26f3c0e530f345ede74b2513425f202aaca4bf406bfb30b4d0f6034b