[INFO] fetching crate dababy 0.2.1... [INFO] testing dababy-0.2.1 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate dababy 0.2.1 into /workspace/builds/worker-59/source [INFO] validating manifest of crates.io crate dababy 0.2.1 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dababy 0.2.1 [INFO] finished tweaking crates.io crate dababy 0.2.1 [INFO] tweaked toml for crates.io crate dababy 0.2.1 written to /workspace/builds/worker-59/source/Cargo.toml [INFO] crate crates.io crate dababy 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3e33c3bc1bb34a976c37d4defd053b245faf3e4005787069c62eb3ee40dac1c6 [INFO] running `Command { std: "docker" "start" "-a" "3e33c3bc1bb34a976c37d4defd053b245faf3e4005787069c62eb3ee40dac1c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e33c3bc1bb34a976c37d4defd053b245faf3e4005787069c62eb3ee40dac1c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e33c3bc1bb34a976c37d4defd053b245faf3e4005787069c62eb3ee40dac1c6", kill_on_drop: false }` [INFO] [stdout] 3e33c3bc1bb34a976c37d4defd053b245faf3e4005787069c62eb3ee40dac1c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86d65bd8b11749e5cb07291584e6d224ec8c720eac26e3aedbbcb7a8a4e9084f [INFO] running `Command { std: "docker" "start" "-a" "86d65bd8b11749e5cb07291584e6d224ec8c720eac26e3aedbbcb7a8a4e9084f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling futures-core v0.3.13 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling openssl v0.10.33 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling futures-io v0.3.13 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling httparse v1.3.6 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling futures-task v0.3.13 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-sink v0.3.13 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling cpal v0.13.3 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling ipnet v2.3.0 [INFO] [stderr] Compiling claxon v0.4.3 [INFO] [stderr] Compiling hound v3.4.0 [INFO] [stderr] Compiling tinyvec v1.2.0 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling ogg v0.8.0 [INFO] [stderr] Compiling unicode-bidi v0.3.5 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling futures-channel v0.3.13 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tracing v0.1.25 [INFO] [stderr] Compiling http v0.2.4 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling futures-util v0.3.13 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling lewton v0.10.2 [INFO] [stderr] Compiling idna v0.2.2 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling nix v0.20.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling slice-deque v0.3.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling http-body v0.4.1 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling url v2.2.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Compiling minimp3-sys v0.3.2 [INFO] [stderr] Compiling serde_urlencoded v0.7.0 [INFO] [stderr] Compiling alsa v0.5.0 [INFO] [stderr] Compiling tokio-util v0.6.5 [INFO] [stderr] Compiling h2 v0.3.2 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling pin-project-internal v1.0.6 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Compiling minimp3 v0.5.1 [INFO] [stderr] Compiling pin-project v1.0.6 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling rodio v0.13.1 [INFO] [stderr] Compiling hyper v0.14.5 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.2 [INFO] [stderr] Compiling dababy v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `reqwest::Error` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use reqwest::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | io::{Read, Cursor} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | Err(x) => {return ();} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut cursor = Cursor::new(resp.bytes().unwrap()); [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: unused borrow that must be used [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | &message.push_str(x.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = &message.push_str(x.as_str()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | &message.push_str(" "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = &message.push_str(" "); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.86s [INFO] running `Command { std: "docker" "inspect" "86d65bd8b11749e5cb07291584e6d224ec8c720eac26e3aedbbcb7a8a4e9084f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86d65bd8b11749e5cb07291584e6d224ec8c720eac26e3aedbbcb7a8a4e9084f", kill_on_drop: false }` [INFO] [stdout] 86d65bd8b11749e5cb07291584e6d224ec8c720eac26e3aedbbcb7a8a4e9084f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 996892dc4e7f3ba590d9bd7c3f0b1adcc2cb6b9e24baf8e1aa1dcb066018ab51 [INFO] running `Command { std: "docker" "start" "-a" "996892dc4e7f3ba590d9bd7c3f0b1adcc2cb6b9e24baf8e1aa1dcb066018ab51", kill_on_drop: false }` [INFO] [stderr] Compiling dababy v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `reqwest::Error` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use reqwest::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | io::{Read, Cursor} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | Err(x) => {return ();} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut cursor = Cursor::new(resp.bytes().unwrap()); [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: unused borrow that must be used [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | &message.push_str(x.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = &message.push_str(x.as_str()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | &message.push_str(" "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = &message.push_str(" "); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.21s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/dababy-1333b96ce7eeef1e) [INFO] running `Command { std: "docker" "inspect" "996892dc4e7f3ba590d9bd7c3f0b1adcc2cb6b9e24baf8e1aa1dcb066018ab51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "996892dc4e7f3ba590d9bd7c3f0b1adcc2cb6b9e24baf8e1aa1dcb066018ab51", kill_on_drop: false }` [INFO] [stdout] 996892dc4e7f3ba590d9bd7c3f0b1adcc2cb6b9e24baf8e1aa1dcb066018ab51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e401e3b5accff240aff36be6f55b1a91a40752dde7dc1c9a97b058c2ccf00372 [INFO] running `Command { std: "docker" "start" "-a" "e401e3b5accff240aff36be6f55b1a91a40752dde7dc1c9a97b058c2ccf00372", 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] warning: unused import: `reqwest::Error` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use reqwest::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/main.rs:12:10 [INFO] [stderr] | [INFO] [stderr] 12 | io::{Read, Cursor} [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:65:17 [INFO] [stderr] | [INFO] [stderr] 65 | Err(x) => {return ();} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | let mut cursor = Cursor::new(resp.bytes().unwrap()); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | &message.push_str(x.as_str()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 37 | let _ = &message.push_str(x.as_str()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | &message.push_str(" "); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 38 | let _ = &message.push_str(" "); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `dababy` (bin "dababy" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dababy-1333b96ce7eeef1e) [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" "e401e3b5accff240aff36be6f55b1a91a40752dde7dc1c9a97b058c2ccf00372", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e401e3b5accff240aff36be6f55b1a91a40752dde7dc1c9a97b058c2ccf00372", kill_on_drop: false }` [INFO] [stdout] e401e3b5accff240aff36be6f55b1a91a40752dde7dc1c9a97b058c2ccf00372