[INFO] cloning repository https://github.com/supersanta183/2048remake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/supersanta183/2048remake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupersanta183%2F2048remake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupersanta183%2F2048remake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f9bbbfde5f766331f08f6f78053b854cdad4c34b [INFO] building supersanta183/2048remake 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%2Fsupersanta183%2F2048remake" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/supersanta183/2048remake 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/supersanta183/2048remake [INFO] finished tweaking git repo https://github.com/supersanta183/2048remake [INFO] tweaked toml for git repo https://github.com/supersanta183/2048remake written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/supersanta183/2048remake 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] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded map-macro v0.2.5 [INFO] [stderr] Downloaded proc_vector2d v1.0.2 [INFO] [stderr] Downloaded array2d v0.3.0 [INFO] [stderr] Downloaded vector2d v2.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 57901e18c9e5d35deba2258760f8ed442c49319a28df556d4074299ab8824413 [INFO] running `Command { std: "docker" "start" "-a" "57901e18c9e5d35deba2258760f8ed442c49319a28df556d4074299ab8824413", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57901e18c9e5d35deba2258760f8ed442c49319a28df556d4074299ab8824413", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57901e18c9e5d35deba2258760f8ed442c49319a28df556d4074299ab8824413", kill_on_drop: false }` [INFO] [stdout] 57901e18c9e5d35deba2258760f8ed442c49319a28df556d4074299ab8824413 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 14cdac3fed0e325213a656a8182b0a8b54236163115515d6c799c1293ee1d8f8 [INFO] running `Command { std: "docker" "start" "-a" "14cdac3fed0e325213a656a8182b0a8b54236163115515d6c799c1293ee1d8f8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling proc_vector2d v1.0.2 [INFO] [stderr] Compiling map-macro v0.2.5 [INFO] [stderr] Compiling array2d v0.3.0 [INFO] [stderr] Compiling vector2d v2.2.0 [INFO] [stderr] Compiling phf_shared v0.11.1 [INFO] [stderr] Compiling phf v0.11.1 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling colored v2.0.0 [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 remake2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::iter::Enumerate` [INFO] [stdout] --> src/game.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Enumerate; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:133:17 [INFO] [stdout] | [INFO] [stdout] 133 | let mut next_value; [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.rs:165:17 [INFO] [stdout] | [INFO] [stdout] 165 | let mut next_value; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s [INFO] running `Command { std: "docker" "inspect" "14cdac3fed0e325213a656a8182b0a8b54236163115515d6c799c1293ee1d8f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14cdac3fed0e325213a656a8182b0a8b54236163115515d6c799c1293ee1d8f8", kill_on_drop: false }` [INFO] [stdout] 14cdac3fed0e325213a656a8182b0a8b54236163115515d6c799c1293ee1d8f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4fa3618b0bdf286eef654d2133b227b81b8184ca32cacc324ec10a5537ca5252 [INFO] running `Command { std: "docker" "start" "-a" "4fa3618b0bdf286eef654d2133b227b81b8184ca32cacc324ec10a5537ca5252", kill_on_drop: false }` [INFO] [stderr] Compiling remake2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::iter::Enumerate` [INFO] [stdout] --> src/game.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Enumerate; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:133:17 [INFO] [stdout] | [INFO] [stdout] 133 | let mut next_value; [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.rs:165:17 [INFO] [stdout] | [INFO] [stdout] 165 | let mut next_value; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::iter::Enumerate` [INFO] [stdout] --> src/game.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Enumerate; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:133:17 [INFO] [stdout] | [INFO] [stdout] 133 | let mut next_value; [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.rs:165:17 [INFO] [stdout] | [INFO] [stdout] 165 | let mut next_value; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/test_game.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut setup = Setup::new(); [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `Command { std: "docker" "inspect" "4fa3618b0bdf286eef654d2133b227b81b8184ca32cacc324ec10a5537ca5252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fa3618b0bdf286eef654d2133b227b81b8184ca32cacc324ec10a5537ca5252", kill_on_drop: false }` [INFO] [stdout] 4fa3618b0bdf286eef654d2133b227b81b8184ca32cacc324ec10a5537ca5252