[INFO] fetching crate swon-parol 0.1.0...
[INFO] checking swon-parol-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate swon-parol 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate swon-parol 0.1.0
[INFO] finished tweaking crates.io crate swon-parol 0.1.0
[INFO] tweaked toml for crates.io crate swon-parol 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate swon-parol 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate swon-parol 0.1.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e705c875eb967467b06925cc3329d5711c477955fd2615d59a9292d7f424f5da
[INFO] running `Command { std: "docker" "start" "-a" "e705c875eb967467b06925cc3329d5711c477955fd2615d59a9292d7f424f5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e705c875eb967467b06925cc3329d5711c477955fd2615d59a9292d7f424f5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e705c875eb967467b06925cc3329d5711c477955fd2615d59a9292d7f424f5da", kill_on_drop: false }`
[INFO] [stdout] e705c875eb967467b06925cc3329d5711c477955fd2615d59a9292d7f424f5da
[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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1adf1d92fda15226f6a63e41f39fbbdf82b114b7dd76323498122858c801a3e
[INFO] running `Command { std: "docker" "start" "-a" "b1adf1d92fda15226f6a63e41f39fbbdf82b114b7dd76323498122858c801a3e", kill_on_drop: false }`
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking allocator-api2 v0.2.21
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[INFO] [stderr]     Checking derive_builder v0.20.2
[INFO] [stderr]     Checking swon-parol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ParolError` and `ParseTree`
[INFO] [stdout]   --> src/parser.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use parol_runtime::{ParolError, ParseTree, TerminalIndex};
[INFO] [stdout]    |                     ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenStream`
[INFO] [stdout]   --> src/parser.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | use parol_runtime::{ScannerConfig, TokenStream, Tokenizer};
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/parser.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::grammar::Grammar`
[INFO] [stdout]   --> src/parser.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::grammar::Grammar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::grammar_trait::GrammarAuto`
[INFO] [stdout]   --> src/parser.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::grammar_trait::GrammarAuto;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ParolError` and `ParseTree`
[INFO] [stdout]   --> src/parser.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | use parol_runtime::{ParolError, ParseTree, TerminalIndex};
[INFO] [stdout]    |                     ^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenStream`
[INFO] [stdout]   --> src/parser.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | use parol_runtime::{ScannerConfig, TokenStream, Tokenizer};
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/parser.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::grammar::Grammar`
[INFO] [stdout]   --> src/parser.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::grammar::Grammar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::grammar_trait::GrammarAuto`
[INFO] [stdout]   --> src/parser.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::grammar_trait::GrammarAuto;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCANNER_0` is never used
[INFO] [stdout]   --> src/parser.rs:96:7
[INFO] [stdout]    |
[INFO] [stdout] 96 | const SCANNER_0: (&[&str; 5], &[TerminalIndex; 23]) = (
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCANNER_1` is never used
[INFO] [stdout]    --> src/parser.rs:132:7
[INFO] [stdout]     |
[INFO] [stdout] 132 | const SCANNER_1: (&[&str; 5], &[TerminalIndex; 3]) = (
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCANNER_2` is never used
[INFO] [stdout]    --> src/parser.rs:144:7
[INFO] [stdout]     |
[INFO] [stdout] 144 | const SCANNER_2: (&[&str; 5], &[TerminalIndex; 4]) = (
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCANNER_3` is never used
[INFO] [stdout]    --> src/parser.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 | const SCANNER_3: (&[&str; 5], &[TerminalIndex; 3]) = (
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_K` is never used
[INFO] [stdout]    --> src/parser.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 | const MAX_K: usize = 1;
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SCANNERS` is never used
[INFO] [stdout]     --> src/parser.rs:1252:8
[INFO] [stdout]      |
[INFO] [stdout] 1252 | static SCANNERS: Lazy<Vec<ScannerConfig>> = Lazy::new(|| {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCANNER_0` is never used
[INFO] [stdout]   --> src/parser.rs:96:7
[INFO] [stdout]    |
[INFO] [stdout] 96 | const SCANNER_0: (&[&str; 5], &[TerminalIndex; 23]) = (
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCANNER_1` is never used
[INFO] [stdout]    --> src/parser.rs:132:7
[INFO] [stdout]     |
[INFO] [stdout] 132 | const SCANNER_1: (&[&str; 5], &[TerminalIndex; 3]) = (
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCANNER_2` is never used
[INFO] [stdout]    --> src/parser.rs:144:7
[INFO] [stdout]     |
[INFO] [stdout] 144 | const SCANNER_2: (&[&str; 5], &[TerminalIndex; 4]) = (
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SCANNER_3` is never used
[INFO] [stdout]    --> src/parser.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 | const SCANNER_3: (&[&str; 5], &[TerminalIndex; 3]) = (
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_K` is never used
[INFO] [stdout]    --> src/parser.rs:172:7
[INFO] [stdout]     |
[INFO] [stdout] 172 | const MAX_K: usize = 1;
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SCANNERS` is never used
[INFO] [stdout]     --> src/parser.rs:1252:8
[INFO] [stdout]      |
[INFO] [stdout] 1252 | static SCANNERS: Lazy<Vec<ScannerConfig>> = Lazy::new(|| {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.93s
[INFO] running `Command { std: "docker" "inspect" "b1adf1d92fda15226f6a63e41f39fbbdf82b114b7dd76323498122858c801a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1adf1d92fda15226f6a63e41f39fbbdf82b114b7dd76323498122858c801a3e", kill_on_drop: false }`
[INFO] [stdout] b1adf1d92fda15226f6a63e41f39fbbdf82b114b7dd76323498122858c801a3e