[INFO] cloning repository https://github.com/arj101/file-searcher-bot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arj101/file-searcher-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farj101%2Ffile-searcher-bot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farj101%2Ffile-searcher-bot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6fa574bcf6fcfdee6a655e7a829aedbe3a2ff01 [INFO] testing arj101/file-searcher-bot against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farj101%2Ffile-searcher-bot" "/workspace/builds/worker-20/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/arj101/file-searcher-bot on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/arj101/file-searcher-bot [INFO] finished tweaking git repo https://github.com/arj101/file-searcher-bot [INFO] tweaked toml for git repo https://github.com/arj101/file-searcher-bot written to /workspace/builds/worker-20/source/Cargo.toml [INFO] crate git repo https://github.com/arj101/file-searcher-bot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded reqwest v0.10.8 [INFO] [stderr] Downloaded flate2 v1.0.17 [INFO] [stderr] Downloaded async-tungstenite v0.4.2 [INFO] [stderr] Downloaded command_attr v0.3.0-rc.0 [INFO] [stderr] Downloaded tokio-rustls v0.14.0 [INFO] [stderr] Downloaded async-trait v0.1.38 [INFO] [stderr] Downloaded async-tls v0.6.0 [INFO] [stderr] Downloaded typemap_rev v0.1.3 [INFO] [stderr] Downloaded serenity v0.9.0-rc.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e80a72c6d663083dabbdc98d25d4dcdf44f3cf2a61fe46f29a5b2bd04a3d7413 [INFO] running `Command { std: "docker" "start" "-a" "e80a72c6d663083dabbdc98d25d4dcdf44f3cf2a61fe46f29a5b2bd04a3d7413", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e80a72c6d663083dabbdc98d25d4dcdf44f3cf2a61fe46f29a5b2bd04a3d7413", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e80a72c6d663083dabbdc98d25d4dcdf44f3cf2a61fe46f29a5b2bd04a3d7413", kill_on_drop: false }` [INFO] [stdout] e80a72c6d663083dabbdc98d25d4dcdf44f3cf2a61fe46f29a5b2bd04a3d7413 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d33978d5da8a01cae349b9b31e648fd09b20356fa6f4b3c304b7b780c2be88b [INFO] running `Command { std: "docker" "start" "-a" "2d33978d5da8a01cae349b9b31e648fd09b20356fa6f4b3c304b7b780c2be88b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling cc v1.0.59 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [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 futures-io v0.3.5 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling tinyvec v0.3.4 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling encoding_rs v0.8.24 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling serenity v0.9.0-rc.0 [INFO] [stderr] Compiling ipnet v2.3.0 [INFO] [stderr] Compiling typemap_rev v0.1.3 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling tracing-core v0.1.15 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling miniz_oxide v0.4.1 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling tracing v0.1.19 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling base64 v0.10.1 [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 flate2 v1.0.17 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling sha-1 v0.8.2 [INFO] [stderr] Compiling tungstenite v0.10.1 [INFO] [stderr] Compiling webpki v0.21.3 [INFO] [stderr] Compiling sct v0.6.0 [INFO] [stderr] Compiling rustls v0.18.1 [INFO] [stderr] Compiling rustls v0.16.0 [INFO] [stderr] Compiling webpki-roots v0.17.0 [INFO] [stderr] Compiling webpki-roots v0.19.0 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling async-trait v0.1.38 [INFO] [stderr] Compiling command_attr v0.3.0-rc.0 [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-rustls v0.14.0 [INFO] [stderr] Compiling tokio-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.2.6 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling async-tls v0.6.0 [INFO] [stderr] Compiling async-tungstenite v0.4.2 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling chrono v0.4.15 [INFO] [stderr] Compiling hyper v0.13.7 [INFO] [stderr] Compiling hyper-rustls v0.21.0 [INFO] [stderr] Compiling hyper-tls v0.4.3 [INFO] [stderr] Compiling reqwest v0.10.8 [INFO] [stderr] Compiling file_searcher_bot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `case_sensitive` [INFO] [stdout] --> src/search_command.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 131 | case_sensitive: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/search_command.rs:223:17 [INFO] [stdout] | [INFO] [stdout] 223 | &line_search_result_formatted.insert_str(search_match.index + index_offset, "__"); [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] 223 | let _ = &line_search_result_formatted.insert_str(search_match.index + index_offset, "__"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/search_command.rs:237:17 [INFO] [stdout] | [INFO] [stdout] 237 | / &line_search_result_formatted.insert_str( [INFO] [stdout] 238 | | search_match.index + search_word_len + index_offset, [INFO] [stdout] 239 | | "__" [INFO] [stdout] 240 | | ); [INFO] [stdout] | |_________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 237 | let _ = &line_search_result_formatted.insert_str( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 51s [INFO] running `Command { std: "docker" "inspect" "2d33978d5da8a01cae349b9b31e648fd09b20356fa6f4b3c304b7b780c2be88b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d33978d5da8a01cae349b9b31e648fd09b20356fa6f4b3c304b7b780c2be88b", kill_on_drop: false }` [INFO] [stdout] 2d33978d5da8a01cae349b9b31e648fd09b20356fa6f4b3c304b7b780c2be88b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8076474c8915d6fb9c8b03f8a495d03f7ac13c69eb5dbf6cd4013250705d78a8 [INFO] running `Command { std: "docker" "start" "-a" "8076474c8915d6fb9c8b03f8a495d03f7ac13c69eb5dbf6cd4013250705d78a8", kill_on_drop: false }` [INFO] [stderr] Compiling file_searcher_bot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `case_sensitive` [INFO] [stdout] --> src/search_command.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 131 | case_sensitive: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/search_command.rs:223:17 [INFO] [stdout] | [INFO] [stdout] 223 | &line_search_result_formatted.insert_str(search_match.index + index_offset, "__"); [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] 223 | let _ = &line_search_result_formatted.insert_str(search_match.index + index_offset, "__"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/search_command.rs:237:17 [INFO] [stdout] | [INFO] [stdout] 237 | / &line_search_result_formatted.insert_str( [INFO] [stdout] 238 | | search_match.index + search_word_len + index_offset, [INFO] [stdout] 239 | | "__" [INFO] [stdout] 240 | | ); [INFO] [stdout] | |_________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 237 | let _ = &line_search_result_formatted.insert_str( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 14.30s [INFO] running `Command { std: "docker" "inspect" "8076474c8915d6fb9c8b03f8a495d03f7ac13c69eb5dbf6cd4013250705d78a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8076474c8915d6fb9c8b03f8a495d03f7ac13c69eb5dbf6cd4013250705d78a8", kill_on_drop: false }` [INFO] [stdout] 8076474c8915d6fb9c8b03f8a495d03f7ac13c69eb5dbf6cd4013250705d78a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4fcc38fd9f3314e4554cfe6754d810421580c6f3f654f2fcb4343e08e46636bb [INFO] running `Command { std: "docker" "start" "-a" "4fcc38fd9f3314e4554cfe6754d810421580c6f3f654f2fcb4343e08e46636bb", 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: field is never read: `case_sensitive` [INFO] [stderr] --> src/search_command.rs:131:5 [INFO] [stderr] | [INFO] [stderr] 131 | case_sensitive: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/search_command.rs:223:17 [INFO] [stderr] | [INFO] [stderr] 223 | &line_search_result_formatted.insert_str(search_match.index + index_offset, "__"); [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] 223 | let _ = &line_search_result_formatted.insert_str(search_match.index + index_offset, "__"); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/search_command.rs:237:17 [INFO] [stderr] | [INFO] [stderr] 237 | / &line_search_result_formatted.insert_str( [INFO] [stderr] 238 | | search_match.index + search_word_len + index_offset, [INFO] [stderr] 239 | | "__" [INFO] [stderr] 240 | | ); [INFO] [stderr] | |_________________^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 237 | let _ = &line_search_result_formatted.insert_str( [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `file_searcher_bot` (bin "file_searcher_bot" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.17s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/file_searcher_bot-388816db4adfbee1) [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" "4fcc38fd9f3314e4554cfe6754d810421580c6f3f654f2fcb4343e08e46636bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fcc38fd9f3314e4554cfe6754d810421580c6f3f654f2fcb4343e08e46636bb", kill_on_drop: false }` [INFO] [stdout] 4fcc38fd9f3314e4554cfe6754d810421580c6f3f654f2fcb4343e08e46636bb