[INFO] fetching crate reformation 0.5.3...
[INFO] checking reformation-0.5.3 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate reformation 0.5.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate reformation 0.5.3
[INFO] finished tweaking crates.io crate reformation 0.5.3
[INFO] tweaked toml for crates.io crate reformation 0.5.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reformation 0.5.3 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 crates.io crate reformation 0.5.3 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 }`
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[INFO] [stdout] warning: enum `LifetimeInEnum` is never used
[INFO] [stdout]   --> tests/enum.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 | enum LifetimeInEnum<'a>{
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> examples/derive.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Vec {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout]  8 |     x: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout]  9 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     z: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Vec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, and `zero` are never read
[INFO] [stdout]   --> examples/derive.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Rect {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 19 |     a: Vec,
[INFO] [stdout]    |     ^
[INFO] [stdout] 20 |     b: Vec,
[INFO] [stdout]    |     ^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     zero: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left_eye` and `right_eye` are never read
[INFO] [stdout]   --> examples/derive.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Crab {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 32 |     left_eye: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 33 |     right_eye: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Crab` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/derive.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Ovec(Option<Vec>);
[INFO] [stdout]    |        ---- ^^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Ovec` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> benches/kirby_user_agent.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn parse_re(s: &str) -> Option<UserAgent> {
[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] 13 | fn parse_re(s: &str) -> Option<UserAgent<'_>> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> benches/kirby_user_agent.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn parse(a: &str) -> Option<UserAgent> {
[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] 108 | pub fn parse(a: &str) -> Option<UserAgent<'_>> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `br` should have an upper case name
[INFO] [stdout]    --> benches/kirby_user_agent.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |     static ref br: Regex = Regex::new(r"\Abundler/([0-9a-zA-Z.\-]+) rubygems/([0-9a-zA-Z.\-]+) ruby/([0-9a-zA-Z.\-]+) \(([^)]*)\) c...
[INFO] [stdout]     |                ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 112 -     static ref br: Regex = Regex::new(r"\Abundler/([0-9a-zA-Z.\-]+) rubygems/([0-9a-zA-Z.\-]+) ruby/([0-9a-zA-Z.\-]+) \(([^)]*)\) command/(.*?)(?: jruby/([0-9a-zA-Z.\-]+))?(?: truffleruby/([0-9a-zA-Z.\-]+))?(?: options/(.*?))?(?: ci/(.*?))? [a-f0-9]{16}(?: Gemstash/([0-9a-zA-Z.\-]+))?\z").unwrap();
[INFO] [stdout] 112 +     static ref BR: Regex = Regex::new(r"\Abundler/([0-9a-zA-Z.\-]+) rubygems/([0-9a-zA-Z.\-]+) ruby/([0-9a-zA-Z.\-]+) \(([^)]*)\) command/(.*?)(?: jruby/([0-9a-zA-Z.\-]+))?(?: truffleruby/([0-9a-zA-Z.\-]+))?(?: options/(.*?))?(?: ci/(.*?))? [a-f0-9]{16}(?: Gemstash/([0-9a-zA-Z.\-]+))?\z").unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `rr` should have an upper case name
[INFO] [stdout]    --> benches/kirby_user_agent.rs:113:16
[INFO] [stdout]     |
[INFO] [stdout] 113 |     static ref rr: Regex = Regex::new(r"\A(?:Ruby, )?RubyGems/([0-9a-z.\-]+) (.*) Ruby/([0-9a-z.\-]+) \(.*?\)(?: jruby| truffleruby...
[INFO] [stdout]     |                ^^
[INFO] [stdout]     |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 113 -     static ref rr: Regex = Regex::new(r"\A(?:Ruby, )?RubyGems/([0-9a-z.\-]+) (.*) Ruby/([0-9a-z.\-]+) \(.*?\)(?: jruby| truffleruby| rbx)?(?: Gemstash/([0-9a-z.\-]+))?\z").unwrap();
[INFO] [stdout] 113 +     static ref RR: Regex = Regex::new(r"\A(?:Ruby, )?RubyGems/([0-9a-z.\-]+) (.*) Ruby/([0-9a-z.\-]+) \(.*?\)(?: jruby| truffleruby| rbx)?(?: Gemstash/([0-9a-z.\-]+))?\z").unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `gr` should have an upper case name
[INFO] [stdout]    --> benches/kirby_user_agent.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |     static ref gr: Regex = Regex::new(r"\ARuby, Gems ([0-9a-z.\-]+)\z").unwrap();
[INFO] [stdout]     |                ^^
[INFO] [stdout]     |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 114 -     static ref gr: Regex = Regex::new(r"\ARuby, Gems ([0-9a-z.\-]+)\z").unwrap();
[INFO] [stdout] 114 +     static ref GR: Regex = Regex::new(r"\ARuby, Gems ([0-9a-z.\-]+)\z").unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/enum_.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Grey(i32),
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 10 -     Grey(i32),
[INFO] [stdout] 10 +     Grey(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/enum_.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Blue(i32, i32),
[INFO] [stdout]    |     ---- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 14 -     Blue(i32, i32),
[INFO] [stdout] 14 +     Blue((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "1ee277b69c461304db25945cde1f083fa509198ec75a383d5028f446dec6cd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee277b69c461304db25945cde1f083fa509198ec75a383d5028f446dec6cd18", kill_on_drop: false }`
[INFO] [stdout] 1ee277b69c461304db25945cde1f083fa509198ec75a383d5028f446dec6cd18
