[INFO] cloning repository https://github.com/hobrin/pesten_optimized [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hobrin/pesten_optimized" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobrin%2Fpesten_optimized", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobrin%2Fpesten_optimized'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 21fdc02ff9d4cab3799f5189b2a5b223020f715b [INFO] building hobrin/pesten_optimized 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%2Fhobrin%2Fpesten_optimized" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hobrin/pesten_optimized 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/hobrin/pesten_optimized [INFO] finished tweaking git repo https://github.com/hobrin/pesten_optimized [INFO] tweaked toml for git repo https://github.com/hobrin/pesten_optimized written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/hobrin/pesten_optimized 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 20831dd5eb63b07bc00a0e2d5213b36097af86211a49bc16e647110b0c374085 [INFO] running `Command { std: "docker" "start" "-a" "20831dd5eb63b07bc00a0e2d5213b36097af86211a49bc16e647110b0c374085", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20831dd5eb63b07bc00a0e2d5213b36097af86211a49bc16e647110b0c374085", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20831dd5eb63b07bc00a0e2d5213b36097af86211a49bc16e647110b0c374085", kill_on_drop: false }` [INFO] [stdout] 20831dd5eb63b07bc00a0e2d5213b36097af86211a49bc16e647110b0c374085 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f25faaab7588d971c347db0af6a80c2f5cc26074f037e3c1ea3437228a9cd74c [INFO] running `Command { std: "docker" "start" "-a" "f25faaab7588d971c347db0af6a80c2f5cc26074f037e3c1ea3437228a9cd74c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.2.10 [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 pesten_optimized v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `own_cards` [INFO] [stdout] --> src/main.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | fn chose(&self, own_cards: u64, playable: u64, last_card: u64) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_own_cards` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `playable` [INFO] [stdout] --> src/main.rs:77:37 [INFO] [stdout] | [INFO] [stdout] 77 | fn chose(&self, own_cards: u64, playable: u64, last_card: u64) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_playable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_card` [INFO] [stdout] --> src/main.rs:77:52 [INFO] [stdout] | [INFO] [stdout] 77 | fn chose(&self, own_cards: u64, playable: u64, last_card: u64) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_card` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let count: u64 = ((b + (b >> 4)) & 0xF0F0F0F0F0F0F0Fu64).wrapping_mul(0x101010101010101u64) >> 56; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:86:30 [INFO] [stdout] | [INFO] [stdout] 86 | fn select_random_bit(v: u64, rng: &mut rand::rngs::ThreadRng) -> usize { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `lay_stack` is assigned to, but never used [INFO] [stdout] --> src/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | let mut lay_stack = 0u64; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_lay_stack` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lay_stack` is never read [INFO] [stdout] --> src/main.rs:140:5 [INFO] [stdout] | [INFO] [stdout] 140 | lay_stack |= last_card; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> src/main.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | let p: &dyn Player = players[player_turn]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `verbose` [INFO] [stdout] --> src/main.rs:129:42 [INFO] [stdout] | [INFO] [stdout] 129 | fn play_game(players: &Vec<&dyn Player>, verbose: bool, randomStart: bool) -> usize { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `randomStart` [INFO] [stdout] --> src/main.rs:129:57 [INFO] [stdout] | [INFO] [stdout] 129 | fn play_game(players: &Vec<&dyn Player>, verbose: bool, randomStart: bool) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_randomStart` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `chose` is never used [INFO] [stdout] --> src/main.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 70 | trait Player { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] 71 | fn chose(&self, own_cards: u64, playable: u64, last_card: u64); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_binary` is never used [INFO] [stdout] --> src/main.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn print_binary(card_set: u64) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `randomStart` should have a snake case name [INFO] [stdout] --> src/main.rs:129:57 [INFO] [stdout] | [INFO] [stdout] 129 | fn play_game(players: &Vec<&dyn Player>, verbose: bool, randomStart: bool) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `random_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.39s [INFO] running `Command { std: "docker" "inspect" "f25faaab7588d971c347db0af6a80c2f5cc26074f037e3c1ea3437228a9cd74c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f25faaab7588d971c347db0af6a80c2f5cc26074f037e3c1ea3437228a9cd74c", kill_on_drop: false }` [INFO] [stdout] f25faaab7588d971c347db0af6a80c2f5cc26074f037e3c1ea3437228a9cd74c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 24df77c56653239a53e4dc48f4690bd4a187774228868f13ffee4f37c9832f7f [INFO] running `Command { std: "docker" "start" "-a" "24df77c56653239a53e4dc48f4690bd4a187774228868f13ffee4f37c9832f7f", kill_on_drop: false }` [INFO] [stderr] Compiling pesten_optimized v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `own_cards` [INFO] [stdout] --> src/main.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | fn chose(&self, own_cards: u64, playable: u64, last_card: u64) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_own_cards` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `playable` [INFO] [stdout] --> src/main.rs:77:37 [INFO] [stdout] | [INFO] [stdout] 77 | fn chose(&self, own_cards: u64, playable: u64, last_card: u64) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_playable` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `last_card` [INFO] [stdout] --> src/main.rs:77:52 [INFO] [stdout] | [INFO] [stdout] 77 | fn chose(&self, own_cards: u64, playable: u64, last_card: u64) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_card` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `count` [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let count: u64 = ((b + (b >> 4)) & 0xF0F0F0F0F0F0F0Fu64).wrapping_mul(0x101010101010101u64) >> 56; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:86:30 [INFO] [stdout] | [INFO] [stdout] 86 | fn select_random_bit(v: u64, rng: &mut rand::rngs::ThreadRng) -> usize { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `lay_stack` is assigned to, but never used [INFO] [stdout] --> src/main.rs:137:13 [INFO] [stdout] | [INFO] [stdout] 137 | let mut lay_stack = 0u64; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_lay_stack` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lay_stack` is never read [INFO] [stdout] --> src/main.rs:140:5 [INFO] [stdout] | [INFO] [stdout] 140 | lay_stack |= last_card; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> src/main.rs:145:13 [INFO] [stdout] | [INFO] [stdout] 145 | let p: &dyn Player = players[player_turn]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `verbose` [INFO] [stdout] --> src/main.rs:129:42 [INFO] [stdout] | [INFO] [stdout] 129 | fn play_game(players: &Vec<&dyn Player>, verbose: bool, randomStart: bool) -> usize { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `randomStart` [INFO] [stdout] --> src/main.rs:129:57 [INFO] [stdout] | [INFO] [stdout] 129 | fn play_game(players: &Vec<&dyn Player>, verbose: bool, randomStart: bool) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_randomStart` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `chose` is never used [INFO] [stdout] --> src/main.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 70 | trait Player { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] 71 | fn chose(&self, own_cards: u64, playable: u64, last_card: u64); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_binary` is never used [INFO] [stdout] --> src/main.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn print_binary(card_set: u64) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `randomStart` should have a snake case name [INFO] [stdout] --> src/main.rs:129:57 [INFO] [stdout] | [INFO] [stdout] 129 | fn play_game(players: &Vec<&dyn Player>, verbose: bool, randomStart: bool) -> usize { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `random_start` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "24df77c56653239a53e4dc48f4690bd4a187774228868f13ffee4f37c9832f7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24df77c56653239a53e4dc48f4690bd4a187774228868f13ffee4f37c9832f7f", kill_on_drop: false }` [INFO] [stdout] 24df77c56653239a53e4dc48f4690bd4a187774228868f13ffee4f37c9832f7f