[INFO] fetching crate cpclib-xfertool 0.10.0... [INFO] checking cpclib-xfertool-0.10.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate cpclib-xfertool 0.10.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate cpclib-xfertool 0.10.0 [INFO] finished tweaking crates.io crate cpclib-xfertool 0.10.0 [INFO] tweaked toml for crates.io crate cpclib-xfertool 0.10.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate cpclib-xfertool 0.10.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate cpclib-xfertool 0.10.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded delegate v0.13.4 [INFO] [stderr] Downloaded notify-debouncer-full v0.1.0 [INFO] [stderr] Downloaded term_grid v0.2.0 [INFO] [stderr] Downloaded termize v0.1.1 [INFO] [stderr] Downloaded custom_error v1.9.2 [INFO] [stderr] Downloaded hotwatch v0.5.0 [INFO] [stderr] Downloaded file-id v0.1.0 [INFO] [stderr] Downloaded kinded_macros v0.3.0 [INFO] [stderr] Downloaded kinded v0.3.0 [INFO] [stderr] Downloaded resolve-path v0.1.0 [INFO] [stderr] Downloaded cpclib-xfer v0.10.0 [INFO] [stderr] Downloaded rustyline-derive v0.10.0 [INFO] [stderr] Downloaded remain v0.2.15 [INFO] [stderr] Downloaded camino-tempfile v1.4.1 [INFO] [stderr] Downloaded evalexpr v11.3.1 [INFO] [stderr] Downloaded cpclib-disc v0.10.0 [INFO] [stderr] Downloaded cpclib-sna v0.10.0 [INFO] [stderr] Downloaded curl v0.4.48 [INFO] [stderr] Downloaded cpclib-tokens v0.10.0 [INFO] [stderr] Downloaded nutype_macros v0.5.1 [INFO] [stderr] Downloaded bitfield v0.14.0 [INFO] [stderr] Downloaded cpclib-common v0.10.0 [INFO] [stderr] Downloaded nutype v0.5.1 [INFO] [stderr] Downloaded curl-sys v0.4.82+curl-8.14.1 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01c48a9c944d86547fc8e57983f60180e89a12b555d27e5e6e2e058a8234534a [INFO] running `Command { std: "docker" "start" "-a" "01c48a9c944d86547fc8e57983f60180e89a12b555d27e5e6e2e058a8234534a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01c48a9c944d86547fc8e57983f60180e89a12b555d27e5e6e2e058a8234534a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01c48a9c944d86547fc8e57983f60180e89a12b555d27e5e6e2e058a8234534a", kill_on_drop: false }` [INFO] [stdout] 01c48a9c944d86547fc8e57983f60180e89a12b555d27e5e6e2e058a8234534a [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03f51c9e5b1baf8db56fe77189b95bc9efd33874e766f8c2ab8444f197ee8689 [INFO] running `Command { std: "docker" "start" "-a" "03f51c9e5b1baf8db56fe77189b95bc9efd33874e766f8c2ab8444f197ee8689", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking anstyle-query v1.1.3 [INFO] [stderr] Compiling camino v1.1.10 [INFO] [stderr] Compiling kinded_macros v0.3.0 [INFO] [stderr] Compiling nutype_macros v0.5.1 [INFO] [stderr] Checking anstream v0.6.19 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling libz-sys v1.1.22 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking clap_builder v4.5.41 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Compiling chrono v0.4.41 [INFO] [stderr] Compiling kinded v0.3.0 [INFO] [stderr] Compiling clap_derive v4.5.41 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Compiling urlencoding v2.1.3 [INFO] [stderr] Checking time v0.3.41 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Compiling built v0.7.7 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking rustix v1.0.8 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Compiling cpclib-sna v0.10.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Checking resolve-path v0.1.0 [INFO] [stderr] Checking winnow v0.6.26 [INFO] [stderr] Compiling curl-sys v0.4.82+curl-8.14.1 [INFO] [stderr] Checking bitfield v0.14.0 [INFO] [stderr] Checking smol_str v0.2.2 [INFO] [stderr] Checking ring v0.17.14 [INFO] [stderr] Checking clap v4.5.41 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Compiling cpclib-tokens v0.10.0 [INFO] [stderr] Compiling delegate v0.13.4 [INFO] [stderr] Compiling rustls v0.23.29 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking cpclib-common v0.10.0 [INFO] [stderr] Checking inotify v0.9.6 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Compiling proc-macro-error2 v2.0.1 [INFO] [stderr] Checking rustls-webpki v0.103.4 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Checking crc32fast v1.5.0 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking filetime v0.2.25 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking strum v0.26.3 [INFO] [stderr] Compiling cpclib-disc v0.10.0 [INFO] [stderr] Checking webpki-roots v1.0.1 [INFO] [stderr] Checking ordered-float v4.6.0 [INFO] [stderr] Compiling remain v0.2.15 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking evalexpr v11.3.1 [INFO] [stderr] Checking beef v0.5.2 [INFO] [stderr] Compiling curl v0.4.48 [INFO] [stderr] Checking tempfile v3.20.0 [INFO] [stderr] Checking notify v6.1.1 [INFO] [stderr] Checking webpki-roots v0.26.11 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking flate2 v1.1.2 [INFO] [stderr] Compiling getset v0.1.6 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Compiling cpclib-xfer v0.10.0 [INFO] [stderr] Checking path-dedot v3.1.1 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking file-id v0.1.0 [INFO] [stderr] Checking custom_error v1.9.2 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking path-absolutize v3.1.1 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking notify-debouncer-full v0.1.0 [INFO] [stderr] Checking camino-tempfile v1.4.1 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking fd-lock v4.0.4 [INFO] [stderr] Compiling cpclib-xfertool v0.10.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking hotwatch v0.5.0 [INFO] [stderr] Checking term_grid v0.2.0 [INFO] [stderr] Checking subprocess v0.2.9 [INFO] [stderr] Checking termize v0.1.1 [INFO] [stderr] Compiling rustyline-derive v0.10.0 [INFO] [stderr] Checking nutype v0.5.1 [INFO] [stderr] Checking rustyline v14.0.0 [INFO] [stderr] Checking ureq v2.12.1 [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/interact.rs:335:17 [INFO] [stdout] | [INFO] [stdout] 335 | _ => unimplemented!() [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/interact.rs:335:17 [INFO] [stdout] | [INFO] [stdout] 201 | XferCommand::Help => { [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 218 | XferCommand::Exit => { [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 222 | XferCommand::Pwd => { [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 233 | XferCommand::Ls(_path) => { [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 335 | _ => unimplemented!() [INFO] [stdout] | ^ ...and 8 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DOUBLE_QUOTES_ESCAPE_CHAR` is never used [INFO] [stdout] --> src/interact.rs:82:7 [INFO] [stdout] | [INFO] [stdout] 82 | const DOUBLE_QUOTES_ESCAPE_CHAR: Option = Some('\\'); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DOUBLE_QUOTES_SPECIAL_CHARS` is never used [INFO] [stdout] --> src/interact.rs:93:15 [INFO] [stdout] | [INFO] [stdout] 93 | const DOUBLE_QUOTES_SPECIAL_CHARS: [u8; 4] = [b'"', b'$', b'\\', b'`']; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | send_and_run_file(&xfer, fname, false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 140 | let _ = send_and_run_file(&xfer, fname, false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | send_and_run_file(&xfer, fname, true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 146 | let _ = send_and_run_file(&xfer, fname, true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:167:21 [INFO] [stdout] | [INFO] [stdout] 167 | send_and_run_file(&xfer, fname, true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 167 | let _ = send_and_run_file(&xfer, fname, true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interact.rs:324:21 [INFO] [stdout] | [INFO] [stdout] 324 | Exec::shell(command).join(); // ignore failure [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 324 | let _ = Exec::shell(command).join(); // ignore failure [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interact.rs:381:21 [INFO] [stdout] | [INFO] [stdout] 381 | rl.add_history_entry(line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 381 | let _ = rl.add_history_entry(line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/interact.rs:335:17 [INFO] [stdout] | [INFO] [stdout] 335 | _ => unimplemented!() [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/interact.rs:335:17 [INFO] [stdout] | [INFO] [stdout] 201 | XferCommand::Help => { [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 218 | XferCommand::Exit => { [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 222 | XferCommand::Pwd => { [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 233 | XferCommand::Ls(_path) => { [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 335 | _ => unimplemented!() [INFO] [stdout] | ^ ...and 8 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DOUBLE_QUOTES_ESCAPE_CHAR` is never used [INFO] [stdout] --> src/interact.rs:82:7 [INFO] [stdout] | [INFO] [stdout] 82 | const DOUBLE_QUOTES_ESCAPE_CHAR: Option = Some('\\'); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DOUBLE_QUOTES_SPECIAL_CHARS` is never used [INFO] [stdout] --> src/interact.rs:93:15 [INFO] [stdout] | [INFO] [stdout] 93 | const DOUBLE_QUOTES_SPECIAL_CHARS: [u8; 4] = [b'"', b'$', b'\\', b'`']; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:140:9 [INFO] [stdout] | [INFO] [stdout] 140 | send_and_run_file(&xfer, fname, false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 140 | let _ = send_and_run_file(&xfer, fname, false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:146:9 [INFO] [stdout] | [INFO] [stdout] 146 | send_and_run_file(&xfer, fname, true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 146 | let _ = send_and_run_file(&xfer, fname, true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:167:21 [INFO] [stdout] | [INFO] [stdout] 167 | send_and_run_file(&xfer, fname, true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 167 | let _ = send_and_run_file(&xfer, fname, true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interact.rs:324:21 [INFO] [stdout] | [INFO] [stdout] 324 | Exec::shell(command).join(); // ignore failure [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 324 | let _ = Exec::shell(command).join(); // ignore failure [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interact.rs:381:21 [INFO] [stdout] | [INFO] [stdout] 381 | rl.add_history_entry(line); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 381 | let _ = rl.add_history_entry(line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 01s [INFO] running `Command { std: "docker" "inspect" "03f51c9e5b1baf8db56fe77189b95bc9efd33874e766f8c2ab8444f197ee8689", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03f51c9e5b1baf8db56fe77189b95bc9efd33874e766f8c2ab8444f197ee8689", kill_on_drop: false }` [INFO] [stdout] 03f51c9e5b1baf8db56fe77189b95bc9efd33874e766f8c2ab8444f197ee8689