[INFO] cloning repository https://github.com/warnp/demo_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/warnp/demo_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarnp%2Fdemo_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarnp%2Fdemo_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6fd631ff77ac2545b089af87685519032e2c3f78 [INFO] checking warnp/demo_rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarnp%2Fdemo_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/warnp/demo_rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/warnp/demo_rust [INFO] finished tweaking git repo https://github.com/warnp/demo_rust [INFO] tweaked toml for git repo https://github.com/warnp/demo_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/warnp/demo_rust 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-xid v0.2.2 [INFO] [stderr] Downloaded tokio-macros v1.7.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.36 [INFO] [stderr] Downloaded instant v0.1.12 [INFO] [stderr] Downloaded signal-hook-registry v1.4.0 [INFO] [stderr] Downloaded futures-sink v0.3.19 [INFO] [stderr] Downloaded quote v1.0.14 [INFO] [stderr] Downloaded futures-io v0.3.19 [INFO] [stderr] Downloaded futures-core v0.3.19 [INFO] [stderr] Downloaded futures-executor v0.3.19 [INFO] [stderr] Downloaded futures v0.3.19 [INFO] [stderr] Downloaded memchr v2.4.1 [INFO] [stderr] Downloaded bytes v1.1.0 [INFO] [stderr] Downloaded mio v0.7.14 [INFO] [stderr] Downloaded once_cell v1.9.0 [INFO] [stderr] Downloaded lock_api v0.4.5 [INFO] [stderr] Downloaded ntapi v0.3.6 [INFO] [stderr] Downloaded futures-util v0.3.19 [INFO] [stderr] Downloaded smallvec v1.8.0 [INFO] [stderr] Downloaded log v0.4.14 [INFO] [stderr] Downloaded parking_lot v0.11.2 [INFO] [stderr] Downloaded syn v1.0.85 [INFO] [stderr] Downloaded futures-channel v0.3.19 [INFO] [stderr] Downloaded futures-macro v0.3.19 [INFO] [stderr] Downloaded futures-task v0.3.19 [INFO] [stderr] Downloaded parking_lot_core v0.8.5 [INFO] [stderr] Downloaded pin-project-lite v0.2.8 [INFO] [stderr] Downloaded redox_syscall v0.2.10 [INFO] [stderr] Downloaded slab v0.4.5 [INFO] [stderr] Downloaded miow v0.3.7 [INFO] [stderr] Downloaded tokio v1.15.0 [INFO] [stderr] Downloaded libc v0.2.112 [INFO] [stderr] Downloaded winapi v0.3.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 086ceb202978bb376c652d99a40ee2adb232b251bd5a1eecbf2070726b637862 [INFO] running `Command { std: "docker" "start" "-a" "086ceb202978bb376c652d99a40ee2adb232b251bd5a1eecbf2070726b637862", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "086ceb202978bb376c652d99a40ee2adb232b251bd5a1eecbf2070726b637862", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "086ceb202978bb376c652d99a40ee2adb232b251bd5a1eecbf2070726b637862", kill_on_drop: false }` [INFO] [stdout] 086ceb202978bb376c652d99a40ee2adb232b251bd5a1eecbf2070726b637862 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] baabfcd3205d5e7442f00d3fe28ec8d24864ce587a5cc3ba049766c0b487f007 [INFO] running `Command { std: "docker" "start" "-a" "baabfcd3205d5e7442f00d3fe28ec8d24864ce587a5cc3ba049766c0b487f007", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [INFO] [stderr] Checking demo_rust_easy_mode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow` [INFO] [stdout] --> src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow` [INFO] [stdout] --> src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `format` and `write` [INFO] [stdout] --> src/main.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Display, format, Formatter, write}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `format` and `write` [INFO] [stdout] --> src/main.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Display, format, Formatter, write}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::executor::block_on` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::executor::block_on; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::executor::block_on` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::executor::block_on; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::join` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::join; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::join` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::join; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bad_guy_attack_result` [INFO] [stdout] --> src/main.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | let bad_guy_attack_result = bad_guy.lock().unwrap().attack(our_hero.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bad_guy_attack_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bad_guy_attack_result` [INFO] [stdout] --> src/main.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | let bad_guy_attack_result = bad_guy.lock().unwrap().attack(our_hero.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bad_guy_attack_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | Err(r) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | Err(r) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `damage_amount` [INFO] [stdout] --> src/main.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | fn get_damage(&mut self, damage_amount: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_damage_amount` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `damage_amount` [INFO] [stdout] --> src/main.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | fn get_damage(&mut self, damage_amount: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_damage_amount` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spawn` [INFO] [stdout] --> src/main.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let spawn = tokio::spawn(async move { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_spawn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spawn` [INFO] [stdout] --> src/main.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let spawn = tokio::spawn(async move { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_spawn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let mut bad_guy = BadGuy { [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:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let mut bad_guy = BadGuy { [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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.30s [INFO] running `Command { std: "docker" "inspect" "baabfcd3205d5e7442f00d3fe28ec8d24864ce587a5cc3ba049766c0b487f007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "baabfcd3205d5e7442f00d3fe28ec8d24864ce587a5cc3ba049766c0b487f007", kill_on_drop: false }` [INFO] [stdout] baabfcd3205d5e7442f00d3fe28ec8d24864ce587a5cc3ba049766c0b487f007 [INFO] checking warnp/demo_rust against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarnp%2Fdemo_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/warnp/demo_rust on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/warnp/demo_rust [INFO] finished tweaking git repo https://github.com/warnp/demo_rust [INFO] tweaked toml for git repo https://github.com/warnp/demo_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/warnp/demo_rust 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd90af47fa6bb107a5c829f8da0409f879e2938da695e928bb790d7df18d1043 [INFO] running `Command { std: "docker" "start" "-a" "fd90af47fa6bb107a5c829f8da0409f879e2938da695e928bb790d7df18d1043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd90af47fa6bb107a5c829f8da0409f879e2938da695e928bb790d7df18d1043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd90af47fa6bb107a5c829f8da0409f879e2938da695e928bb790d7df18d1043", kill_on_drop: false }` [INFO] [stdout] fd90af47fa6bb107a5c829f8da0409f879e2938da695e928bb790d7df18d1043 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ec2bbeb15e1d0b50c645814a0902db9e4d5b3ea4f478a74f22055c7d9db54c2 [INFO] running `Command { std: "docker" "start" "-a" "2ec2bbeb15e1d0b50c645814a0902db9e4d5b3ea4f478a74f22055c7d9db54c2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [INFO] [stderr] Checking demo_rust_easy_mode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow` [INFO] [stdout] --> src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `format` and `write` [INFO] [stdout] --> src/main.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Display, format, Formatter, write}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow` [INFO] [stdout] --> src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::executor::block_on` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::executor::block_on; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::join` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::join; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `format` and `write` [INFO] [stdout] --> src/main.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::{Display, format, Formatter, write}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::executor::block_on` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::executor::block_on; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::join` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::join; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bad_guy_attack_result` [INFO] [stdout] --> src/main.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | let bad_guy_attack_result = bad_guy.lock().unwrap().attack(our_hero.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bad_guy_attack_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | Err(r) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bad_guy_attack_result` [INFO] [stdout] --> src/main.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | let bad_guy_attack_result = bad_guy.lock().unwrap().attack(our_hero.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bad_guy_attack_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/main.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | Err(r) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `damage_amount` [INFO] [stdout] --> src/main.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | fn get_damage(&mut self, damage_amount: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_damage_amount` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `damage_amount` [INFO] [stdout] --> src/main.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | fn get_damage(&mut self, damage_amount: i32) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_damage_amount` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spawn` [INFO] [stdout] --> src/main.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let spawn = tokio::spawn(async move { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_spawn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spawn` [INFO] [stdout] --> src/main.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let spawn = tokio::spawn(async move { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_spawn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let mut bad_guy = BadGuy { [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:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | let mut bad_guy = BadGuy { [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] 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:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | for el in 0..100 { [INFO] [stdout] | _____^ - [INFO] [stdout] | |______________________| [INFO] [stdout] 120 | || let hero_arc = Arc::new(Mutex::new(our_hero.clone())); [INFO] [stdout] 121 | || hero_arc.lock().unwrap().name = format!("{}_{}", hero_arc.lock().unwrap().name, el); [INFO] [stdout] 122 | || let bad_guy_arc = Arc::new(Mutex::new(bad_guy.clone())); [INFO] [stdout] ... || [INFO] [stdout] 127 | || }); [INFO] [stdout] 128 | || } [INFO] [stdout] | ||_____^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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: 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:119:5 [INFO] [stdout] | [INFO] [stdout] 119 | for el in 0..100 { [INFO] [stdout] | _____^ - [INFO] [stdout] | |______________________| [INFO] [stdout] 120 | || let hero_arc = Arc::new(Mutex::new(our_hero.clone())); [INFO] [stdout] 121 | || hero_arc.lock().unwrap().name = format!("{}_{}", hero_arc.lock().unwrap().name, el); [INFO] [stdout] 122 | || let bad_guy_arc = Arc::new(Mutex::new(bad_guy.clone())); [INFO] [stdout] ... || [INFO] [stdout] 127 | || }); [INFO] [stdout] 128 | || } [INFO] [stdout] | ||_____^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `demo_rust_easy_mode` (bin "demo_rust_easy_mode") due to 2 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `demo_rust_easy_mode` (bin "demo_rust_easy_mode" test) due to 2 previous errors; 9 warnings emitted [INFO] running `Command { std: "docker" "inspect" "2ec2bbeb15e1d0b50c645814a0902db9e4d5b3ea4f478a74f22055c7d9db54c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ec2bbeb15e1d0b50c645814a0902db9e4d5b3ea4f478a74f22055c7d9db54c2", kill_on_drop: false }` [INFO] [stdout] 2ec2bbeb15e1d0b50c645814a0902db9e4d5b3ea4f478a74f22055c7d9db54c2