[INFO] fetching crate graphviz_parser 0.1.0...
[INFO] checking graphviz_parser-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate graphviz_parser 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate graphviz_parser 0.1.0
[INFO] finished tweaking crates.io crate graphviz_parser 0.1.0
[INFO] tweaked toml for crates.io crate graphviz_parser 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate graphviz_parser 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding logos v0.12.1 (available: v0.15.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaea7e35ca8d4a735f9d9756ff837fb6ddbaa0024a2e7602d41d91f7b9ec5aa0
[INFO] running `Command { std: "docker" "start" "-a" "aaea7e35ca8d4a735f9d9756ff837fb6ddbaa0024a2e7602d41d91f7b9ec5aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaea7e35ca8d4a735f9d9756ff837fb6ddbaa0024a2e7602d41d91f7b9ec5aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaea7e35ca8d4a735f9d9756ff837fb6ddbaa0024a2e7602d41d91f7b9ec5aa0", kill_on_drop: false }`
[INFO] [stdout] aaea7e35ca8d4a735f9d9756ff837fb6ddbaa0024a2e7602d41d91f7b9ec5aa0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f55e1d72188104b84c4c2a9f3b31ba5f2313f8cfdc3edd741524d6756086a75
[INFO] running `Command { std: "docker" "start" "-a" "7f55e1d72188104b84c4c2a9f3b31ba5f2313f8cfdc3edd741524d6756086a75", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking graphviz_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `span` is never used
[INFO] [stdout]   --> src/lex.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub trait Peekable<'a> {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn span(&self) -> Span;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast_nodes/assignment.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |         mut lexer: PeekableLexer<'_>,
[INFO] [stdout]    |                                  ^^ the lifetime is elided here
[INFO] [stdout] 30 |     ) -> Result<(Self::Output, PeekableLexer), anyhow::Error> {
[INFO] [stdout]    |                                ------------- the same lifetime is hidden 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 `'_`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     ) -> Result<(Self::Output, PeekableLexer<'_>), anyhow::Error> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast_nodes/assignment.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |         mut token_stream: PeekableLexer<'_>,
[INFO] [stdout]    |                                         ^^ the lifetime is elided here
[INFO] [stdout] 54 |     ) -> Result<(Self::Output, PeekableLexer), anyhow::Error> {
[INFO] [stdout]    |                                ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     ) -> Result<(Self::Output, PeekableLexer<'_>), anyhow::Error> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast_nodes/assignment.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |         mut token_stream: PeekableLexer<'_>,
[INFO] [stdout]    |                                         ^^ the lifetime is elided here
[INFO] [stdout] 82 |     ) -> Result<(Self::Output, PeekableLexer), anyhow::Error> {
[INFO] [stdout]    |                                ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ) -> Result<(Self::Output, PeekableLexer<'_>), anyhow::Error> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `span` is never used
[INFO] [stdout]   --> src/lex.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub trait Peekable<'a> {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn span(&self) -> Span;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast_nodes/assignment.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |         mut lexer: PeekableLexer<'_>,
[INFO] [stdout]    |                                  ^^ the lifetime is elided here
[INFO] [stdout] 30 |     ) -> Result<(Self::Output, PeekableLexer), anyhow::Error> {
[INFO] [stdout]    |                                ------------- the same lifetime is hidden 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 `'_`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     ) -> Result<(Self::Output, PeekableLexer<'_>), anyhow::Error> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast_nodes/assignment.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 |         mut token_stream: PeekableLexer<'_>,
[INFO] [stdout]    |                                         ^^ the lifetime is elided here
[INFO] [stdout] 54 |     ) -> Result<(Self::Output, PeekableLexer), anyhow::Error> {
[INFO] [stdout]    |                                ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     ) -> Result<(Self::Output, PeekableLexer<'_>), anyhow::Error> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ast_nodes/assignment.rs:81:41
[INFO] [stdout]    |
[INFO] [stdout] 81 |         mut token_stream: PeekableLexer<'_>,
[INFO] [stdout]    |                                         ^^ the lifetime is elided here
[INFO] [stdout] 82 |     ) -> Result<(Self::Output, PeekableLexer), anyhow::Error> {
[INFO] [stdout]    |                                ------------- the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ) -> Result<(Self::Output, PeekableLexer<'_>), anyhow::Error> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.88s
[INFO] running `Command { std: "docker" "inspect" "7f55e1d72188104b84c4c2a9f3b31ba5f2313f8cfdc3edd741524d6756086a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f55e1d72188104b84c4c2a9f3b31ba5f2313f8cfdc3edd741524d6756086a75", kill_on_drop: false }`
[INFO] [stdout] 7f55e1d72188104b84c4c2a9f3b31ba5f2313f8cfdc3edd741524d6756086a75