[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#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarnp%2Fdemo_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/warnp/demo_rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-channel v0.3.19 [INFO] [stderr] Downloaded futures-executor v0.3.19 [INFO] [stderr] Downloaded futures v0.3.19 [INFO] [stderr] Downloaded futures-io v0.3.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f4e59652f00f2c7a5f94e471561c074d2a8829dabeeb37a226c3844907b05e6 [INFO] running `Command { std: "docker" "start" "-a" "7f4e59652f00f2c7a5f94e471561c074d2a8829dabeeb37a226c3844907b05e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f4e59652f00f2c7a5f94e471561c074d2a8829dabeeb37a226c3844907b05e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f4e59652f00f2c7a5f94e471561c074d2a8829dabeeb37a226c3844907b05e6", kill_on_drop: false }` [INFO] [stdout] 7f4e59652f00f2c7a5f94e471561c074d2a8829dabeeb37a226c3844907b05e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd997e1867b9a610a61c7a68781c2421c512a522ae372eb3acf952946a2d7109 [INFO] running `Command { std: "docker" "start" "-a" "bd997e1867b9a610a61c7a68781c2421c512a522ae372eb3acf952946a2d7109", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.7.14 [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`, `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`, `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 imports: `BorrowMut`, `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`, `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] 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 12.82s [INFO] running `Command { std: "docker" "inspect" "bd997e1867b9a610a61c7a68781c2421c512a522ae372eb3acf952946a2d7109", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd997e1867b9a610a61c7a68781c2421c512a522ae372eb3acf952946a2d7109", kill_on_drop: false }` [INFO] [stdout] bd997e1867b9a610a61c7a68781c2421c512a522ae372eb3acf952946a2d7109