[INFO] cloning repository https://github.com/a-wave-maker/rusty-rummy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-wave-maker/rusty-rummy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-wave-maker%2Frusty-rummy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-wave-maker%2Frusty-rummy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1492465e875c5b6ca620c209c879989207c81692 [INFO] building a-wave-maker/rusty-rummy 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%2Fa-wave-maker%2Frusty-rummy" "/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/a-wave-maker/rusty-rummy 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/a-wave-maker/rusty-rummy [INFO] finished tweaking git repo https://github.com/a-wave-maker/rusty-rummy [INFO] tweaked toml for git repo https://github.com/a-wave-maker/rusty-rummy written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/a-wave-maker/rusty-rummy 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] 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] 458190752d05a577d76c84e2500959225f3e0f91edbaf529d0325e678edd3035 [INFO] running `Command { std: "docker" "start" "-a" "458190752d05a577d76c84e2500959225f3e0f91edbaf529d0325e678edd3035", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "458190752d05a577d76c84e2500959225f3e0f91edbaf529d0325e678edd3035", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "458190752d05a577d76c84e2500959225f3e0f91edbaf529d0325e678edd3035", kill_on_drop: false }` [INFO] [stdout] 458190752d05a577d76c84e2500959225f3e0f91edbaf529d0325e678edd3035 [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] c8eabd09dd6bff508f5997a9de6269d3b30dee548b8896bb69fbb0ea7f83e962 [INFO] running `Command { std: "docker" "start" "-a" "c8eabd09dd6bff508f5997a9de6269d3b30dee548b8896bb69fbb0ea7f83e962", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling getrandom v0.2.15 [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 rummy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut pieces: Vec = (1..=4).flat_map(|i: u8| { [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: unused variable: `board` [INFO] [stdout] --> src/player.rs:121:39 [INFO] [stdout] | [INFO] [stdout] 121 | fn board_manipulations(&mut self, board: &mut Vec>) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sort_moves` and `board_manipulations` are never used [INFO] [stdout] --> src/player.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Player { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 107 | fn sort_moves(&mut self, moves: &mut Vec>) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | fn board_manipulations(&mut self, board: &mut Vec>) { [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 1.37s [INFO] running `Command { std: "docker" "inspect" "c8eabd09dd6bff508f5997a9de6269d3b30dee548b8896bb69fbb0ea7f83e962", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8eabd09dd6bff508f5997a9de6269d3b30dee548b8896bb69fbb0ea7f83e962", kill_on_drop: false }` [INFO] [stdout] c8eabd09dd6bff508f5997a9de6269d3b30dee548b8896bb69fbb0ea7f83e962 [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] e8822c4852e8148516fecb51768ad8941882e2556b0ebda360d2182f81b1670c [INFO] running `Command { std: "docker" "start" "-a" "e8822c4852e8148516fecb51768ad8941882e2556b0ebda360d2182f81b1670c", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut pieces: Vec = (1..=4).flat_map(|i: u8| { [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: unused variable: `board` [INFO] [stdout] --> src/player.rs:121:39 [INFO] [stdout] | [INFO] [stdout] 121 | fn board_manipulations(&mut self, board: &mut Vec>) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sort_moves` and `board_manipulations` are never used [INFO] [stdout] --> src/player.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Player { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 107 | fn sort_moves(&mut self, moves: &mut Vec>) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | fn board_manipulations(&mut self, board: &mut Vec>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rummy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let mut pieces: Vec = (1..=4).flat_map(|i: u8| { [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: unused variable: `board` [INFO] [stdout] --> src/player.rs:121:39 [INFO] [stdout] | [INFO] [stdout] 121 | fn board_manipulations(&mut self, board: &mut Vec>) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sort_moves` and `board_manipulations` are never used [INFO] [stdout] --> src/player.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Player { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 107 | fn sort_moves(&mut self, moves: &mut Vec>) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | fn board_manipulations(&mut self, board: &mut Vec>) { [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 0.12s [INFO] running `Command { std: "docker" "inspect" "e8822c4852e8148516fecb51768ad8941882e2556b0ebda360d2182f81b1670c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8822c4852e8148516fecb51768ad8941882e2556b0ebda360d2182f81b1670c", kill_on_drop: false }` [INFO] [stdout] e8822c4852e8148516fecb51768ad8941882e2556b0ebda360d2182f81b1670c