[INFO] cloning repository https://github.com/GaussianWonder/ylex_helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GaussianWonder/ylex_helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGaussianWonder%2Fylex_helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGaussianWonder%2Fylex_helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b21f7d96606df7e73215775850c305916a94513
[INFO] checking GaussianWonder/ylex_helper/2b21f7d96606df7e73215775850c305916a94513 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGaussianWonder%2Fylex_helper" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GaussianWonder/ylex_helper on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GaussianWonder/ylex_helper
[INFO] finished tweaking git repo https://github.com/GaussianWonder/ylex_helper
[INFO] tweaked toml for git repo https://github.com/GaussianWonder/ylex_helper written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GaussianWonder/ylex_helper 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dunce v1.0.2
[INFO] [stderr]   Downloaded run_script v0.9.0
[INFO] [stderr]   Downloaded fsio v0.3.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dd6089a6c62578e6615c83bbb2221e346661d45e4b6f0d7d184007e008ba218
[INFO] running `Command { std: "docker" "start" "-a" "8dd6089a6c62578e6615c83bbb2221e346661d45e4b6f0d7d184007e008ba218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dd6089a6c62578e6615c83bbb2221e346661d45e4b6f0d7d184007e008ba218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd6089a6c62578e6615c83bbb2221e346661d45e4b6f0d7d184007e008ba218", kill_on_drop: false }`
[INFO] [stdout] 8dd6089a6c62578e6615c83bbb2221e346661d45e4b6f0d7d184007e008ba218
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3193bb1510ba9cf8672c52d9a02b4648c84933a22bc409ac706076d7cc161fd5
[INFO] running `Command { std: "docker" "start" "-a" "3193bb1510ba9cf8672c52d9a02b4648c84933a22bc409ac706076d7cc161fd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fsio v0.3.0
[INFO] [stderr]     Checking run_script v0.9.0
[INFO] [stderr]     Checking ylex_helper v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `yacc_path`, `lex_path`, `scan_directory`, and `output_directory` are never read
[INFO] [stdout]   --> src/arg_parse.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |   pub yacc_path: PathBuf,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 39 |   pub lex_path: PathBuf,
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 40 |
[INFO] [stdout] 41 |   pub scan_directory: PathBuf,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 42 |   pub output_directory: PathBuf,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `yacc_path`, `lex_path`, `scan_directory`, and `output_directory` are never read
[INFO] [stdout]   --> src/arg_parse.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |   pub yacc_path: PathBuf,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 39 |   pub lex_path: PathBuf,
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 40 |
[INFO] [stdout] 41 |   pub scan_directory: PathBuf,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 42 |   pub output_directory: PathBuf,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "3193bb1510ba9cf8672c52d9a02b4648c84933a22bc409ac706076d7cc161fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3193bb1510ba9cf8672c52d9a02b4648c84933a22bc409ac706076d7cc161fd5", kill_on_drop: false }`
[INFO] [stdout] 3193bb1510ba9cf8672c52d9a02b4648c84933a22bc409ac706076d7cc161fd5