[INFO] fetching crate ara_parser 0.6.6...
[INFO] checking ara_parser-0.6.6 against 1.95.0 for pr-155915
[INFO] extracting crate ara_parser 0.6.6 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ara_parser 0.6.6
[INFO] finished tweaking crates.io crate ara_parser 0.6.6
[INFO] tweaked toml for crates.io crate ara_parser 0.6.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ara_parser 0.6.6 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ara_parser 0.6.6 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.26.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.9
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.2
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded ara_source v0.2.0
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[INFO] [stderr]   Downloaded schemars_derive v0.8.11
[INFO] [stderr]   Downloaded ara_reporting v0.6.1
[INFO] [stderr]   Downloaded serde_derive v1.0.149
[INFO] [stderr]   Downloaded serde v1.0.149
[INFO] [stderr]   Downloaded virtue v0.0.8
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded schemars v0.8.11
[INFO] [stderr]   Downloaded syn v1.0.104
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86b5ec263a3a5ef9de44b75d063bf7d4cfd5bc0e19aca881e02b37742f9af0ba
[INFO] running `Command { std: "docker" "start" "-a" "86b5ec263a3a5ef9de44b75d063bf7d4cfd5bc0e19aca881e02b37742f9af0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86b5ec263a3a5ef9de44b75d063bf7d4cfd5bc0e19aca881e02b37742f9af0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b5ec263a3a5ef9de44b75d063bf7d4cfd5bc0e19aca881e02b37742f9af0ba", kill_on_drop: false }`
[INFO] [stdout] 86b5ec263a3a5ef9de44b75d063bf7d4cfd5bc0e19aca881e02b37742f9af0ba
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 827ffc2927a8a42a43d1c5589fa79031a7faba7c0bf40b61f84cf588dd47e5be
[INFO] running `Command { std: "docker" "start" "-a" "827ffc2927a8a42a43d1c5589fa79031a7faba7c0bf40b61f84cf588dd47e5be", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling schemars v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling virtue v0.0.8
[INFO] [stderr]     Checking dyn-clone v1.0.9
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking ara_source v0.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
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[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling schemars_derive v0.8.11
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking ciborium v0.2.0
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[INFO] [stderr]     Checking ara_parser v0.6.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parser/internal/utils.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     func: &(dyn Fn(&mut State) -> ParseResult<T>),
[INFO] [stdout]    |            ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     func: &(dyn Fn(&mut State) -> ParseResult<T>),
[INFO] [stdout] 79 +     func: &dyn Fn(&mut State) -> ParseResult<T> ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/internal/utils.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     func: &(dyn Fn(&mut State) -> ParseResult<T>),
[INFO] [stdout]     |            ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 107 -     func: &(dyn Fn(&mut State) -> ParseResult<T>),
[INFO] [stdout] 107 +     func: &dyn Fn(&mut State) -> ParseResult<T> ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parser/internal/utils.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     func: &(dyn Fn(&mut State) -> ParseResult<T>),
[INFO] [stdout]    |            ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     func: &(dyn Fn(&mut State) -> ParseResult<T>),
[INFO] [stdout] 79 +     func: &dyn Fn(&mut State) -> ParseResult<T> ,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/parser/internal/utils.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     func: &(dyn Fn(&mut State) -> ParseResult<T>),
[INFO] [stdout]     |            ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 107 -     func: &(dyn Fn(&mut State) -> ParseResult<T>),
[INFO] [stdout] 107 +     func: &dyn Fn(&mut State) -> ParseResult<T> ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lexer/iterator.rs:20:40
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(tokens: &'a [Token]) -> TokenIterator {
[INFO] [stdout]    |                         --             ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(tokens: &'a [Token]) -> TokenIterator<'a> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lexer/iterator.rs:20:40
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(tokens: &'a [Token]) -> TokenIterator {
[INFO] [stdout]    |                         --             ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(tokens: &'a [Token]) -> TokenIterator<'a> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.76s
[INFO] running `Command { std: "docker" "inspect" "827ffc2927a8a42a43d1c5589fa79031a7faba7c0bf40b61f84cf588dd47e5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827ffc2927a8a42a43d1c5589fa79031a7faba7c0bf40b61f84cf588dd47e5be", kill_on_drop: false }`
[INFO] [stdout] 827ffc2927a8a42a43d1c5589fa79031a7faba7c0bf40b61f84cf588dd47e5be
