[INFO] fetching crate simple-text-editor 0.2.3... [INFO] building simple-text-editor-0.2.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate simple-text-editor 0.2.3 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate simple-text-editor 0.2.3 [INFO] finished tweaking crates.io crate simple-text-editor 0.2.3 [INFO] tweaked toml for crates.io crate simple-text-editor 0.2.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate simple-text-editor 0.2.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate simple-text-editor 0.2.3 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a811cd1befd2047d0fcedb74efe3cfb110843637f783b46d80f53f8c40463ba9 [INFO] running `Command { std: "docker" "start" "-a" "a811cd1befd2047d0fcedb74efe3cfb110843637f783b46d80f53f8c40463ba9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a811cd1befd2047d0fcedb74efe3cfb110843637f783b46d80f53f8c40463ba9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a811cd1befd2047d0fcedb74efe3cfb110843637f783b46d80f53f8c40463ba9", kill_on_drop: false }` [INFO] [stdout] a811cd1befd2047d0fcedb74efe3cfb110843637f783b46d80f53f8c40463ba9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1cd0509f5126815e243e1e46c9920b489426c3b3374bc20be06387fd0f26bd1a [INFO] running `Command { std: "docker" "start" "-a" "1cd0509f5126815e243e1e46c9920b489426c3b3374bc20be06387fd0f26bd1a", kill_on_drop: false }` [INFO] [stderr] Compiling simple-text-editor v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/text.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | / format!( [INFO] [stdout] 47 | | "The input exceeds the max number of operations permitted. ({})", [INFO] [stdout] 48 | | MAX_OPS [INFO] [stdout] 49 | | ) [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 46 ~ [INFO] [stdout] 47 | "The input exceeds the max number of operations permitted. ({})", [INFO] [stdout] 48 | MAX_OPS [INFO] [stdout] 49 ~ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ops.rs:108:52 [INFO] [stdout] | [INFO] [stdout] 108 | fn parse_delete_or_print(op: char, value_to_parse: &str) -> Operation { [INFO] [stdout] | ^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 108 | fn parse_delete_or_print(op: char, value_to_parse: &str) -> Operation<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ops.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn parse(input: &str) -> Option<(usize, Vec)> { [INFO] [stdout] | ^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 143 | pub fn parse(input: &str) -> Option<(usize, Vec>)> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/text.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | ... format!("The provided count doesn't match the number of valid operations parsed. (count = {}, valid operations = {})", self.num_ops, ops.len()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 53 - format!("The provided count doesn't match the number of valid operations parsed. (count = {}, valid operations = {})", self.num_ops, ops.len()) [INFO] [stdout] 53 + "The provided count doesn't match the number of valid operations parsed. (count = {}, valid operations = {})", self.num_ops, ops.len() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/text.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | format!("The input exceeds the max number of characters which can be deleted. ({})", MAX_DELETE_OPS) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 73 - format!("The input exceeds the max number of characters which can be deleted. ({})", MAX_DELETE_OPS) [INFO] [stdout] 73 + "The input exceeds the max number of characters which can be deleted. ({})", MAX_DELETE_OPS [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `Command { std: "docker" "inspect" "1cd0509f5126815e243e1e46c9920b489426c3b3374bc20be06387fd0f26bd1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cd0509f5126815e243e1e46c9920b489426c3b3374bc20be06387fd0f26bd1a", kill_on_drop: false }` [INFO] [stdout] 1cd0509f5126815e243e1e46c9920b489426c3b3374bc20be06387fd0f26bd1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d49ae5694f7139dd59bce3b196395a9ba60427fc9022527802fc0798ba6de077 [INFO] running `Command { std: "docker" "start" "-a" "d49ae5694f7139dd59bce3b196395a9ba60427fc9022527802fc0798ba6de077", kill_on_drop: false }` [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/text.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | / format!( [INFO] [stdout] 47 | | "The input exceeds the max number of operations permitted. ({})", [INFO] [stdout] 48 | | MAX_OPS [INFO] [stdout] 49 | | ) [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 46 ~ [INFO] [stdout] 47 | "The input exceeds the max number of operations permitted. ({})", [INFO] [stdout] 48 | MAX_OPS [INFO] [stdout] 49 ~ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ops.rs:108:52 [INFO] [stdout] | [INFO] [stdout] 108 | fn parse_delete_or_print(op: char, value_to_parse: &str) -> Operation { [INFO] [stdout] | ^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 108 | fn parse_delete_or_print(op: char, value_to_parse: &str) -> Operation<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ops.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn parse(input: &str) -> Option<(usize, Vec)> { [INFO] [stdout] | ^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 143 | pub fn parse(input: &str) -> Option<(usize, Vec>)> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/text.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | ... format!("The provided count doesn't match the number of valid operations parsed. (count = {}, valid operations = {})", self.num_ops, ops.len()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 53 - format!("The provided count doesn't match the number of valid operations parsed. (count = {}, valid operations = {})", self.num_ops, ops.len()) [INFO] [stdout] 53 + "The provided count doesn't match the number of valid operations parsed. (count = {}, valid operations = {})", self.num_ops, ops.len() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/text.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | format!("The input exceeds the max number of characters which can be deleted. ({})", MAX_DELETE_OPS) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 73 - format!("The input exceeds the max number of characters which can be deleted. ({})", MAX_DELETE_OPS) [INFO] [stdout] 73 + "The input exceeds the max number of characters which can be deleted. ({})", MAX_DELETE_OPS [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling simple-text-editor v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/text.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | / format!( [INFO] [stdout] 47 | | "The input exceeds the max number of operations permitted. ({})", [INFO] [stdout] 48 | | MAX_OPS [INFO] [stdout] 49 | | ) [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 46 ~ [INFO] [stdout] 47 | "The input exceeds the max number of operations permitted. ({})", [INFO] [stdout] 48 | MAX_OPS [INFO] [stdout] 49 ~ [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/text.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | ... format!("The provided count doesn't match the number of valid operations parsed. (count = {}, valid operations = {})", self.num_ops, ops.len()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 53 - format!("The provided count doesn't match the number of valid operations parsed. (count = {}, valid operations = {})", self.num_ops, ops.len()) [INFO] [stdout] 53 + "The provided count doesn't match the number of valid operations parsed. (count = {}, valid operations = {})", self.num_ops, ops.len() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/text.rs:73:25 [INFO] [stdout] | [INFO] [stdout] 73 | format!("The input exceeds the max number of characters which can be deleted. ({})", MAX_DELETE_OPS) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 73 - format!("The input exceeds the max number of characters which can be deleted. ({})", MAX_DELETE_OPS) [INFO] [stdout] 73 + "The input exceeds the max number of characters which can be deleted. ({})", MAX_DELETE_OPS [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ops.rs:108:52 [INFO] [stdout] | [INFO] [stdout] 108 | fn parse_delete_or_print(op: char, value_to_parse: &str) -> Operation { [INFO] [stdout] | ^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 108 | fn parse_delete_or_print(op: char, value_to_parse: &str) -> Operation<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ops.rs:143:21 [INFO] [stdout] | [INFO] [stdout] 143 | pub fn parse(input: &str) -> Option<(usize, Vec)> { [INFO] [stdout] | ^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 143 | pub fn parse(input: &str) -> Option<(usize, Vec>)> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/tests.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | / &[ [INFO] [stdout] 5 | | ("1 abc", Operation::Append("abc")), [INFO] [stdout] 6 | | ("1 abc", Operation::Append(" abc")), [INFO] [stdout] 7 | | ("1 ", Operation::Append(" ")), [INFO] [stdout] ... | [INFO] [stdout] 22 | | assert_eq!(Operation::from(case.0), case.1); [INFO] [stdout] 23 | | }); [INFO] [stdout] | |______^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = &[ [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "d49ae5694f7139dd59bce3b196395a9ba60427fc9022527802fc0798ba6de077", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d49ae5694f7139dd59bce3b196395a9ba60427fc9022527802fc0798ba6de077", kill_on_drop: false }` [INFO] [stdout] d49ae5694f7139dd59bce3b196395a9ba60427fc9022527802fc0798ba6de077