[INFO] cloning repository https://github.com/Supersonic2510/rust-minimal-monster-game [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Supersonic2510/rust-minimal-monster-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupersonic2510%2Frust-minimal-monster-game", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupersonic2510%2Frust-minimal-monster-game'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9dc50efb4f53491ff589608b96e7b585375cdc05 [INFO] checking Supersonic2510/rust-minimal-monster-game/9dc50efb4f53491ff589608b96e7b585375cdc05 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupersonic2510%2Frust-minimal-monster-game" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Supersonic2510/rust-minimal-monster-game on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Supersonic2510/rust-minimal-monster-game [INFO] finished tweaking git repo https://github.com/Supersonic2510/rust-minimal-monster-game [INFO] tweaked toml for git repo https://github.com/Supersonic2510/rust-minimal-monster-game written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Supersonic2510/rust-minimal-monster-game 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea164e350d2bb8dfd36a5dd4800d1727df79972fc645176c20b89411401276c9 [INFO] running `Command { std: "docker" "start" "-a" "ea164e350d2bb8dfd36a5dd4800d1727df79972fc645176c20b89411401276c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea164e350d2bb8dfd36a5dd4800d1727df79972fc645176c20b89411401276c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea164e350d2bb8dfd36a5dd4800d1727df79972fc645176c20b89411401276c9", kill_on_drop: false }` [INFO] [stdout] ea164e350d2bb8dfd36a5dd4800d1727df79972fc645176c20b89411401276c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b08e871df811844561de18325670b1bbd060e486b67a15b5511f4721954805f4 [INFO] running `Command { std: "docker" "start" "-a" "b08e871df811844561de18325670b1bbd060e486b67a15b5511f4721954805f4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v2.0.74 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking demotest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `RefCell` and `RefMut` [INFO] [stdout] --> src/monster/goblin.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | cell::{RefCell, RefMut}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RefCell` and `RefMut` [INFO] [stdout] --> src/monster/orc.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | cell::{RefCell, RefMut}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RefMut` [INFO] [stdout] --> src/monster.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | cell::{RefCell, RefMut}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RefCell` and `RefMut` [INFO] [stdout] --> src/weapon/sword.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | cell::{RefCell, RefMut}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RefMut` [INFO] [stdout] --> src/weapon.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | cell::{RefCell, RefMut}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RefCell` and `RefMut` [INFO] [stdout] --> src/monster/goblin.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | cell::{RefCell, RefMut}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RefCell` and `RefMut` [INFO] [stdout] --> src/monster/orc.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | cell::{RefCell, RefMut}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RefMut` [INFO] [stdout] --> src/monster.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 6 | cell::{RefCell, RefMut}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RefCell` and `RefMut` [INFO] [stdout] --> src/weapon/sword.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | cell::{RefCell, RefMut}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RefMut` [INFO] [stdout] --> src/weapon.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | cell::{RefCell, RefMut}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_no_crit` is never used [INFO] [stdout] --> src/distributions/damage.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl DamageDistribution { [INFO] [stdout] | ----------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn new_no_crit(damage_low: i8, damage_center: i8, damage_high: i8) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `defend` is never used [INFO] [stdout] --> src/monster.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub trait Monster: Debug { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 18 | fn defend(&self) -> &str; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Goblin` and `Orc` are never constructed [INFO] [stdout] --> src/monster.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub enum MonsterFactory { [INFO] [stdout] | -------------- variants in this enum [INFO] [stdout] 27 | Goblin, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 28 | Orc, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MonsterFactory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_name` and `get_damage` are never used [INFO] [stdout] --> src/weapon.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub trait Weapon: Debug { [INFO] [stdout] | ------ methods in this trait [INFO] [stdout] 13 | fn get_name(&self) -> Rc; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 14 | fn get_damage(&self) -> i8; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `random` is never used [INFO] [stdout] --> src/weapon.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl WeaponFactory { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 24 | pub fn random() -> Rc> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:59:39 [INFO] [stdout] | [INFO] [stdout] 59 | .filter(|target_pointer| !target_pointer.borrow().is_dead()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `demotest` (bin "demotest" test) due to 2 previous errors; 10 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: associated function `new_no_crit` is never used [INFO] [stdout] --> src/distributions/damage.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl DamageDistribution { [INFO] [stdout] | ----------------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn new_no_crit(damage_low: i8, damage_center: i8, damage_high: i8) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `defend` is never used [INFO] [stdout] --> src/monster.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub trait Monster: Debug { [INFO] [stdout] | ------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 18 | fn defend(&self) -> &str; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Goblin` and `Orc` are never constructed [INFO] [stdout] --> src/monster.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub enum MonsterFactory { [INFO] [stdout] | -------------- variants in this enum [INFO] [stdout] 27 | Goblin, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 28 | Orc, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MonsterFactory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_name` and `get_damage` are never used [INFO] [stdout] --> src/weapon.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub trait Weapon: Debug { [INFO] [stdout] | ------ methods in this trait [INFO] [stdout] 13 | fn get_name(&self) -> Rc; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 14 | fn get_damage(&self) -> i8; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `random` is never used [INFO] [stdout] --> src/weapon.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl WeaponFactory { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 24 | pub fn random() -> Rc> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:59:39 [INFO] [stdout] | [INFO] [stdout] 59 | .filter(|target_pointer| !target_pointer.borrow().is_dead()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `demotest` (bin "demotest") due to 2 previous errors; 10 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b08e871df811844561de18325670b1bbd060e486b67a15b5511f4721954805f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b08e871df811844561de18325670b1bbd060e486b67a15b5511f4721954805f4", kill_on_drop: false }` [INFO] [stdout] b08e871df811844561de18325670b1bbd060e486b67a15b5511f4721954805f4