[INFO] cloning repository https://github.com/efharkin/swc2dot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/efharkin/swc2dot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefharkin%2Fswc2dot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefharkin%2Fswc2dot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f08a38e7ae18344c4b9da8730ada01050ac2c496
[INFO] checking efharkin/swc2dot against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefharkin%2Fswc2dot" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/efharkin/swc2dot
[INFO] finished tweaking git repo https://github.com/efharkin/swc2dot
[INFO] tweaked toml for git repo https://github.com/efharkin/swc2dot written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/efharkin/swc2dot on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/efharkin/swc2dot 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 69f15a7504aa3f708c78e383a4170ad2907c86e80008ade1706951d3348a4b63
[INFO] running `Command { std: "docker" "start" "69f15a7504aa3f708c78e383a4170ad2907c86e80008ade1706951d3348a4b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69f15a7504aa3f708c78e383a4170ad2907c86e80008ade1706951d3348a4b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "69f15a7504aa3f708c78e383a4170ad2907c86e80008ade1706951d3348a4b63" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69f15a7504aa3f708c78e383a4170ad2907c86e80008ade1706951d3348a4b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "69f15a7504aa3f708c78e383a4170ad2907c86e80008ade1706951d3348a4b63" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking swc2dot v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `get_indent`
[INFO] [stdout]   --> src/writer/mod.rs:12:47
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use string_buffer::{StringBuffer, Indent, get_indent};
[INFO] [stdout]    |                                               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_indent`
[INFO] [stdout]   --> src/writer/mod.rs:12:47
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use string_buffer::{StringBuffer, Indent, get_indent};
[INFO] [stdout]    |                                               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/components.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |         for (id, vertex) in self.iter_vertices() {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut yaml = Config::try_parse_yaml_file(filename)?;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |                         Some(mut yaml) => {
[INFO] [stdout]    |                              ----^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/config.rs:249:15
[INFO] [stdout]     |
[INFO] [stdout] 249 |     WrongType(String),
[INFO] [stdout]     |     --------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 249 -     WrongType(String),
[INFO] [stdout] 249 +     WrongType(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/config.rs:253:14
[INFO] [stdout]     |
[INFO] [stdout] 253 |     FileRead(String),
[INFO] [stdout]     |     -------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 253 -     FileRead(String),
[INFO] [stdout] 253 +     FileRead(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BadValue` is never constructed
[INFO] [stdout]    --> src/config.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub enum YamlParseError {
[INFO] [stdout]     |          -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 251 |     BadValue,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `absolute_first_line` and `relative_first_line` are never used
[INFO] [stdout]    --> src/writer/string_buffer.rs:298:12
[INFO] [stdout]     |
[INFO] [stdout] 287 | impl Indent {
[INFO] [stdout]     | ----------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 298 |     pub fn absolute_first_line(first_line_level: u8, main_indent_level: u8) -> Indent {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 315 |     pub fn relative_first_line(first_line_level: i8, main_indent_level: u8) -> Indent {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             config.try_overload_from_file(&config_file.to_string());
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let _ = config.try_overload_from_file(&config_file.to_string());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     f.write(
[INFO] [stdout] 53 | |         &graphneuron
[INFO] [stdout] 54 | |             .to_dot(false, Indent::flat(0), &config)
[INFO] [stdout] 55 | |             .into_bytes(),
[INFO] [stdout] 56 | |     );
[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] 52 |     let _ = f.write(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     f.flush();
[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] 57 |     let _ = f.flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/components.rs:87:26
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn iter_vertices(&self) -> Iter<usize, Vertex> {
[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] 87 |     pub fn iter_vertices(&self) -> Iter<'_, usize, Vertex> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/swc_parser.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Err(msg) => panic!(msg),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Err(msg) => panic!("{}", msg),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/swc_parser.rs:312:17
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn iter(&self) -> Iter<usize, SWCCompartment> {
[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] 312 |     pub fn iter(&self) -> Iter<'_, usize, SWCCompartment> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/components.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |         for (id, vertex) in self.iter_vertices() {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut yaml = Config::try_parse_yaml_file(filename)?;
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |                         Some(mut yaml) => {
[INFO] [stdout]    |                              ----^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.46s
[INFO] [stdout] warning: variant `BadValue` is never constructed
[INFO] [stdout]    --> src/config.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 247 | pub enum YamlParseError {
[INFO] [stdout]     |          -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 251 |     BadValue,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |             config.try_overload_from_file(&config_file.to_string());
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let _ = config.try_overload_from_file(&config_file.to_string());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     f.write(
[INFO] [stdout] 53 | |         &graphneuron
[INFO] [stdout] 54 | |             .to_dot(false, Indent::flat(0), &config)
[INFO] [stdout] 55 | |             .into_bytes(),
[INFO] [stdout] 56 | |     );
[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] 52 |     let _ = f.write(
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     f.flush();
[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] 57 |     let _ = f.flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/components.rs:87:26
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn iter_vertices(&self) -> Iter<usize, Vertex> {
[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] 87 |     pub fn iter_vertices(&self) -> Iter<'_, usize, Vertex> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/config.rs:148:58
[INFO] [stdout]     |
[INFO] [stdout] 148 |                   YamlParseError::WrongType(msg) => panic!(format!(
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 149 | |                     "Could not construct Config due to `YamlParseError::Wrongtype`: {}",
[INFO] [stdout] 150 | |                     msg
[INFO] [stdout] 151 | |                 )),
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` 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 `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 148 ~                 YamlParseError::WrongType(msg) => panic!(
[INFO] [stdout] 149 |                     "Could not construct Config due to `YamlParseError::Wrongtype`: {}",
[INFO] [stdout] 150 |                     msg
[INFO] [stdout] 151 ~                 ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/config.rs:152:57
[INFO] [stdout]     |
[INFO] [stdout] 152 |                   YamlParseError::FileRead(msg) => panic!(format!(
[INFO] [stdout]     |  _________________________________________________________^
[INFO] [stdout] 153 | |                     "Could not construct Config due to `YamlParseError::FileRead`: {}",
[INFO] [stdout] 154 | |                     msg
[INFO] [stdout] 155 | |                 )),
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` 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 `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 152 ~                 YamlParseError::FileRead(msg) => panic!(
[INFO] [stdout] 153 |                     "Could not construct Config due to `YamlParseError::FileRead`: {}",
[INFO] [stdout] 154 |                     msg
[INFO] [stdout] 155 ~                 ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/swc_parser.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Err(msg) => panic!(msg),
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Err(msg) => panic!("{}", msg),
[INFO] [stdout]    |                            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/swc_parser.rs:312:17
[INFO] [stdout]     |
[INFO] [stdout] 312 |     pub fn iter(&self) -> Iter<usize, SWCCompartment> {
[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] 312 |     pub fn iter(&self) -> Iter<'_, usize, SWCCompartment> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69f15a7504aa3f708c78e383a4170ad2907c86e80008ade1706951d3348a4b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f15a7504aa3f708c78e383a4170ad2907c86e80008ade1706951d3348a4b63", kill_on_drop: false }`
[INFO] [stdout] 69f15a7504aa3f708c78e383a4170ad2907c86e80008ade1706951d3348a4b63
