[INFO] cloning repository https://github.com/haytty/cat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haytty/cat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaytty%2Fcat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaytty%2Fcat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e582c909fcff059b7f879a55b37ac54aac118f7
[INFO] checking haytty/cat against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaytty%2Fcat" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/haytty/cat
[INFO] finished tweaking git repo https://github.com/haytty/cat
[INFO] tweaked toml for git repo https://github.com/haytty/cat written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/haytty/cat on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/haytty/cat 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colorchoice v1.0.1
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.3
[INFO] [stderr]   Downloaded is_terminal_polyfill v1.70.0
[INFO] [stderr]   Downloaded anstyle v1.0.7
[INFO] [stderr]   Downloaded clap_derive v4.5.5
[INFO] [stderr]   Downloaded clap_lex v0.7.1
[INFO] [stderr]   Downloaded anstream v0.6.14
[INFO] [stderr]   Downloaded anstyle-query v1.1.0
[INFO] [stderr]   Downloaded anstyle-parse v0.2.4
[INFO] [stderr]   Downloaded clap v4.5.7
[INFO] [stderr]   Downloaded clap_builder v4.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aef81a712f1c33ee5c1f6c5d542e3fd9ad94a54df76e27dafb859a5e6f86a55b
[INFO] running `Command { std: "docker" "start" "-a" "aef81a712f1c33ee5c1f6c5d542e3fd9ad94a54df76e27dafb859a5e6f86a55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aef81a712f1c33ee5c1f6c5d542e3fd9ad94a54df76e27dafb859a5e6f86a55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef81a712f1c33ee5c1f6c5d542e3fd9ad94a54df76e27dafb859a5e6f86a55b", kill_on_drop: false }`
[INFO] [stdout] aef81a712f1c33ee5c1f6c5d542e3fd9ad94a54df76e27dafb859a5e6f86a55b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce8ff537a6d433801ba0a5959fdeec8ccfabe4e3770a3cea110f22e6f294f2d
[INFO] running `Command { std: "docker" "start" "-a" "cce8ff537a6d433801ba0a5959fdeec8ccfabe4e3770a3cea110f22e6f294f2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking clap_lex v0.7.1
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking clap_builder v4.5.7
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling clap_derive v4.5.5
[INFO] [stderr]     Checking clap v4.5.7
[INFO] [stderr]     Checking cat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cli.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     FileOpenError(io::Error),
[INFO] [stdout]    |     ------------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomError` 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] 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] 17 -     FileOpenError(io::Error),
[INFO] [stdout] 17 +     FileOpenError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cli.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     FileReadError(io::Error),
[INFO] [stdout]    |     ------------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 18 -     FileReadError(io::Error),
[INFO] [stdout] 18 +     FileReadError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cli.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Utf8Error(FromUtf8Error),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 19 -     Utf8Error(FromUtf8Error),
[INFO] [stdout] 19 +     Utf8Error(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cli.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     FileOpenError(io::Error),
[INFO] [stdout]    |     ------------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomError` 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] 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] 17 -     FileOpenError(io::Error),
[INFO] [stdout] 17 +     FileOpenError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cli.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     FileReadError(io::Error),
[INFO] [stdout]    |     ------------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 18 -     FileReadError(io::Error),
[INFO] [stdout] 18 +     FileReadError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/cli.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Utf8Error(FromUtf8Error),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 19 -     Utf8Error(FromUtf8Error),
[INFO] [stdout] 19 +     Utf8Error(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "cce8ff537a6d433801ba0a5959fdeec8ccfabe4e3770a3cea110f22e6f294f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce8ff537a6d433801ba0a5959fdeec8ccfabe4e3770a3cea110f22e6f294f2d", kill_on_drop: false }`
[INFO] [stdout] cce8ff537a6d433801ba0a5959fdeec8ccfabe4e3770a3cea110f22e6f294f2d