[INFO] cloning repository https://github.com/adamAndMath/RandomLoot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamAndMath/RandomLoot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FadamAndMath%2FRandomLoot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FadamAndMath%2FRandomLoot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 68cb34a6d5af08781298f666a133cdc4020da0ae [INFO] building adamAndMath/RandomLoot against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FadamAndMath%2FRandomLoot" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adamAndMath/RandomLoot on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/adamAndMath/RandomLoot [INFO] finished tweaking git repo https://github.com/adamAndMath/RandomLoot [INFO] tweaked toml for git repo https://github.com/adamAndMath/RandomLoot written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/adamAndMath/RandomLoot 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 72b2d133dcb64827e1b7f970223d61a7f59009946e226fb100cf31f325ea5b98 [INFO] running `Command { std: "docker" "start" "-a" "72b2d133dcb64827e1b7f970223d61a7f59009946e226fb100cf31f325ea5b98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72b2d133dcb64827e1b7f970223d61a7f59009946e226fb100cf31f325ea5b98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72b2d133dcb64827e1b7f970223d61a7f59009946e226fb100cf31f325ea5b98", kill_on_drop: false }` [INFO] [stdout] 72b2d133dcb64827e1b7f970223d61a7f59009946e226fb100cf31f325ea5b98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77fc0831b09be82d264aca26ad36111f17dfd93761ba9fd87d28637a67eda35c [INFO] running `Command { std: "docker" "start" "-a" "77fc0831b09be82d264aca26ad36111f17dfd93761ba9fd87d28637a67eda35c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling libc v0.2.40 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling random_loot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/group/err.rs:67:43 [INFO] [stdout] | [INFO] [stdout] 67 | GroupErr::WeightError(e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::str::SplitN<'_, char>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/ty.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | letn!(type_decl, args = s.splitn(2, '[')); [INFO] [stdout] | ----------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 7 - drop(iter); [INFO] [stdout] 7 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::str::SplitN<'_, char>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/ty.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | letn!(args, rest = args.trim().splitn(2, ']')); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 7 - drop(iter); [INFO] [stdout] 7 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Map, {closure@src/format/unit.rs:69:111: 69:114}>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/unit.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | letn!(name?(UnitError::MissingName), size?(UnitError::MissingName) = s.splitn(2, "=").map(|s|s.trim())); [INFO] [stdout] | ------------------------------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 14 - drop(iter); [INFO] [stdout] 14 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Map, {closure@src/format/var.rs:39:95: 39:98}>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/var.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | letn!(name?(VarError::MissingName), ty?(VarError::MissingType) = s.splitn(2, ":").map(|s|s.trim())); [INFO] [stdout] | --------------------------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 14 - drop(iter); [INFO] [stdout] 14 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s [INFO] running `Command { std: "docker" "inspect" "77fc0831b09be82d264aca26ad36111f17dfd93761ba9fd87d28637a67eda35c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77fc0831b09be82d264aca26ad36111f17dfd93761ba9fd87d28637a67eda35c", kill_on_drop: false }` [INFO] [stdout] 77fc0831b09be82d264aca26ad36111f17dfd93761ba9fd87d28637a67eda35c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 454d008d4269aa0f3e648a260c72060a8dac6af81df6981cf847818fe0fea4df [INFO] running `Command { std: "docker" "start" "-a" "454d008d4269aa0f3e648a260c72060a8dac6af81df6981cf847818fe0fea4df", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/group/err.rs:67:43 [INFO] [stdout] | [INFO] [stdout] 67 | GroupErr::WeightError(e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::str::SplitN<'_, char>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/ty.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | letn!(type_decl, args = s.splitn(2, '[')); [INFO] [stdout] | ----------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 7 - drop(iter); [INFO] [stdout] 7 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::str::SplitN<'_, char>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/ty.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | letn!(args, rest = args.trim().splitn(2, ']')); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 7 - drop(iter); [INFO] [stdout] 7 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Map, {closure@src/format/unit.rs:69:111: 69:114}>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/unit.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | letn!(name?(UnitError::MissingName), size?(UnitError::MissingName) = s.splitn(2, "=").map(|s|s.trim())); [INFO] [stdout] | ------------------------------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 14 - drop(iter); [INFO] [stdout] 14 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Map, {closure@src/format/var.rs:39:95: 39:98}>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/var.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | letn!(name?(VarError::MissingName), ty?(VarError::MissingType) = s.splitn(2, ":").map(|s|s.trim())); [INFO] [stdout] | --------------------------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 14 - drop(iter); [INFO] [stdout] 14 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling random_loot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/group/err.rs:67:43 [INFO] [stdout] | [INFO] [stdout] 67 | GroupErr::WeightError(e) => e.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::str::SplitN<'_, char>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/ty.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | letn!(type_decl, args = s.splitn(2, '[')); [INFO] [stdout] | ----------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 7 - drop(iter); [INFO] [stdout] 7 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::str::SplitN<'_, char>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/ty.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | letn!(args, rest = args.trim().splitn(2, ']')); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 7 - drop(iter); [INFO] [stdout] 7 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Map, {closure@src/format/unit.rs:69:111: 69:114}>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/unit.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | letn!(name?(UnitError::MissingName), size?(UnitError::MissingName) = s.splitn(2, "=").map(|s|s.trim())); [INFO] [stdout] | ------------------------------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 14 - drop(iter); [INFO] [stdout] 14 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/format/letn_macro.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | drop(iter); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Map, {closure@src/format/var.rs:39:95: 39:98}>` [INFO] [stdout] | [INFO] [stdout] ::: src/format/var.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | letn!(name?(VarError::MissingName), ty?(VarError::MissingType) = s.splitn(2, ":").map(|s|s.trim())); [INFO] [stdout] | --------------------------------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `letn` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 14 - drop(iter); [INFO] [stdout] 14 + let _ = iter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "454d008d4269aa0f3e648a260c72060a8dac6af81df6981cf847818fe0fea4df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "454d008d4269aa0f3e648a260c72060a8dac6af81df6981cf847818fe0fea4df", kill_on_drop: false }` [INFO] [stdout] 454d008d4269aa0f3e648a260c72060a8dac6af81df6981cf847818fe0fea4df