[INFO] fetching crate simple-text-editor 0.2.3...
[INFO] building simple-text-editor-0.2.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate simple-text-editor 0.2.3 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-text-editor 0.2.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 422cac0e75f852d35d48856d69ea7a369e9ea0f287d6a7f5ebdb2bdbe2661c8e
[INFO] running `Command { std: "docker" "start" "-a" "422cac0e75f852d35d48856d69ea7a369e9ea0f287d6a7f5ebdb2bdbe2661c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "422cac0e75f852d35d48856d69ea7a369e9ea0f287d6a7f5ebdb2bdbe2661c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422cac0e75f852d35d48856d69ea7a369e9ea0f287d6a7f5ebdb2bdbe2661c8e", kill_on_drop: false }`
[INFO] [stdout] 422cac0e75f852d35d48856d69ea7a369e9ea0f287d6a7f5ebdb2bdbe2661c8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00f685f79541f5dc853cc5b434243168b109da11d9f1d43ca6defa35d5dc200b
[INFO] running `Command { std: "docker" "start" "-a" "00f685f79541f5dc853cc5b434243168b109da11d9f1d43ca6defa35d5dc200b", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-text-editor v0.2.3 (/opt/rustwide/workdir)
[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<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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn parse(input: &str) -> Option<(usize, Vec<Operation<'_>>)> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 0.91s
[INFO] running `Command { std: "docker" "inspect" "00f685f79541f5dc853cc5b434243168b109da11d9f1d43ca6defa35d5dc200b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f685f79541f5dc853cc5b434243168b109da11d9f1d43ca6defa35d5dc200b", kill_on_drop: false }`
[INFO] [stdout] 00f685f79541f5dc853cc5b434243168b109da11d9f1d43ca6defa35d5dc200b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 461a899912c5f0fa66bee3f2396f75835af9170d1537e126773dbe65dfdbf349
[INFO] running `Command { std: "docker" "start" "-a" "461a899912c5f0fa66bee3f2396f75835af9170d1537e126773dbe65dfdbf349", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-text-editor v0.2.3 (/opt/rustwide/workdir)
[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<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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn parse(input: &str) -> Option<(usize, Vec<Operation<'_>>)> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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<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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn parse(input: &str) -> Option<(usize, Vec<Operation<'_>>)> {
[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] [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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "461a899912c5f0fa66bee3f2396f75835af9170d1537e126773dbe65dfdbf349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461a899912c5f0fa66bee3f2396f75835af9170d1537e126773dbe65dfdbf349", kill_on_drop: false }`
[INFO] [stdout] 461a899912c5f0fa66bee3f2396f75835af9170d1537e126773dbe65dfdbf349
