[INFO] cloning repository https://github.com/woofymax/acc_checker [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woofymax/acc_checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoofymax%2Facc_checker", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoofymax%2Facc_checker'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc8f383c69224c6f6cfffad1851ca9fe88407a64 [INFO] testing woofymax/acc_checker against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoofymax%2Facc_checker" "/workspace/builds/worker-46/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woofymax/acc_checker on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/woofymax/acc_checker [INFO] finished tweaking git repo https://github.com/woofymax/acc_checker [INFO] tweaked toml for git repo https://github.com/woofymax/acc_checker written to /workspace/builds/worker-46/source/Cargo.toml [INFO] crate git repo https://github.com/woofymax/acc_checker already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro2 v1.0.19 [INFO] [stderr] Downloaded hyper v0.13.7 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.17 [INFO] [stderr] Downloaded terminal_size v0.1.13 [INFO] [stderr] Downloaded syn v1.0.38 [INFO] [stderr] Downloaded console v0.12.0 [INFO] [stderr] Downloaded pin-project v0.4.23 [INFO] [stderr] Downloaded security-framework v0.4.4 [INFO] [stderr] Downloaded dtoa v0.4.6 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.67 [INFO] [stderr] Downloaded hashbrown v0.8.2 [INFO] [stderr] Downloaded h2 v0.2.6 [INFO] [stderr] Downloaded hyper-tls v0.4.3 [INFO] [stderr] Downloaded indexmap v1.5.1 [INFO] [stderr] Downloaded pin-project-internal v0.4.23 [INFO] [stderr] Downloaded openssl v0.10.30 [INFO] [stderr] Downloaded tracing v0.1.19 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.67 [INFO] [stderr] Downloaded cc v1.0.59 [INFO] [stderr] Downloaded web-sys v0.3.44 [INFO] [stderr] Downloaded tokio v0.2.22 [INFO] [stderr] Downloaded pin-project-lite v0.1.7 [INFO] [stderr] Downloaded tracing-core v0.1.14 [INFO] [stderr] Downloaded js-sys v0.3.44 [INFO] [stderr] Downloaded libc v0.2.74 [INFO] [stderr] Downloaded wasm-bindgen v0.2.67 [INFO] [stderr] Downloaded reqwest v0.10.7 [INFO] [stderr] Downloaded security-framework-sys v0.4.3 [INFO] [stderr] Downloaded serde v1.0.115 [INFO] [stderr] Downloaded serde_json v1.0.57 [INFO] [stderr] Downloaded json v0.12.4 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.67 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a980d4f0b55686c8cdab99758879c2f658747da8ec60554e1ead5a5c28f4163 [INFO] running `Command { std: "docker" "start" "-a" "8a980d4f0b55686c8cdab99758879c2f658747da8ec60554e1ead5a5c28f4163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a980d4f0b55686c8cdab99758879c2f658747da8ec60554e1ead5a5c28f4163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a980d4f0b55686c8cdab99758879c2f658747da8ec60554e1ead5a5c28f4163", kill_on_drop: false }` [INFO] [stdout] 8a980d4f0b55686c8cdab99758879c2f658747da8ec60554e1ead5a5c28f4163 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94541bb7f6db99cfebd2f17e164bf41e2469848aa11e31d0784ad3f443146fc9 [INFO] running `Command { std: "docker" "start" "-a" "94541bb7f6db99cfebd2f17e164bf41e2469848aa11e31d0784ad3f443146fc9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling cc v1.0.59 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling arc-swap v0.4.7 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling tinyvec v0.3.4 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling json v0.12.4 [INFO] [stderr] Compiling tracing-core v0.1.14 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling tracing v0.1.19 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling signal-hook-registry v1.2.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling terminal_size v0.1.13 [INFO] [stderr] Compiling termios v0.3.2 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling console v0.12.0 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling tokio v0.2.22 [INFO] [stderr] Compiling pin-project v0.4.23 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.2.6 [INFO] [stderr] Compiling hyper v0.13.7 [INFO] [stderr] Compiling hyper-tls v0.4.3 [INFO] [stderr] Compiling reqwest v0.10.7 [INFO] [stderr] Compiling checker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `serde_json::Value` [INFO] [stdout] --> src/run.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Command` [INFO] [stdout] --> src/run.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::process::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `request` [INFO] [stdout] --> src/run.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | async fn request(creds: Vec>) -> Result<&'static str, reqwest::Error> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/run.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | start().await; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `std::future::Future` that must be used [INFO] [stdout] --> src/run.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | read(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/run.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | &accs.push(res); [INFO] [stdout] | ^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 52 | let _ = &accs.push(res); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 45s [INFO] running `Command { std: "docker" "inspect" "94541bb7f6db99cfebd2f17e164bf41e2469848aa11e31d0784ad3f443146fc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94541bb7f6db99cfebd2f17e164bf41e2469848aa11e31d0784ad3f443146fc9", kill_on_drop: false }` [INFO] [stdout] 94541bb7f6db99cfebd2f17e164bf41e2469848aa11e31d0784ad3f443146fc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6a9ec3f00c5d6573b241ef3625d312da22df46c61789fbbc7e0bc0ec69b4c24 [INFO] running `Command { std: "docker" "start" "-a" "e6a9ec3f00c5d6573b241ef3625d312da22df46c61789fbbc7e0bc0ec69b4c24", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling checker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `serde_json::Value` [INFO] [stdout] --> src/run.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use serde_json::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Command` [INFO] [stdout] --> src/run.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::process::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `request` [INFO] [stdout] --> src/run.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | async fn request(creds: Vec>) -> Result<&'static str, reqwest::Error> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/run.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | start().await; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `std::future::Future` that must be used [INFO] [stdout] --> src/run.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | read(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/run.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | &accs.push(res); [INFO] [stdout] | ^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 52 | let _ = &accs.push(res); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.57s [INFO] running `Command { std: "docker" "inspect" "e6a9ec3f00c5d6573b241ef3625d312da22df46c61789fbbc7e0bc0ec69b4c24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6a9ec3f00c5d6573b241ef3625d312da22df46c61789fbbc7e0bc0ec69b4c24", kill_on_drop: false }` [INFO] [stdout] e6a9ec3f00c5d6573b241ef3625d312da22df46c61789fbbc7e0bc0ec69b4c24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 06605e67f1c9208aa9401bf960502b255b54055cdaffe1cc869b6ce1fb15a70a [INFO] running `Command { std: "docker" "start" "-a" "06605e67f1c9208aa9401bf960502b255b54055cdaffe1cc869b6ce1fb15a70a", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `serde_json::Value` [INFO] [stderr] --> src/run.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use serde_json::Value; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::Command` [INFO] [stderr] --> src/run.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::process::Command; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `request` [INFO] [stderr] --> src/run.rs:60:10 [INFO] [stderr] | [INFO] [stderr] 60 | async fn request(creds: Vec>) -> Result<&'static str, reqwest::Error> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/run.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | start().await; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::future::Future` that must be used [INFO] [stderr] --> src/run.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | read(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: futures do nothing unless you `.await` or poll them [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/run.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | &accs.push(res); [INFO] [stderr] | ^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 52 | let _ = &accs.push(res); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `checker` (bin "checker" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/checker-e2766f33bf05973b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "06605e67f1c9208aa9401bf960502b255b54055cdaffe1cc869b6ce1fb15a70a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06605e67f1c9208aa9401bf960502b255b54055cdaffe1cc869b6ce1fb15a70a", kill_on_drop: false }` [INFO] [stdout] 06605e67f1c9208aa9401bf960502b255b54055cdaffe1cc869b6ce1fb15a70a