[INFO] cloning repository https://github.com/NuriYuri/rust_ruby_code_writer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NuriYuri/rust_ruby_code_writer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuriYuri%2Frust_ruby_code_writer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuriYuri%2Frust_ruby_code_writer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7cfc27751597f05a88a52327d0d8575bed08105
[INFO] checking NuriYuri/rust_ruby_code_writer against master#b389b0ab72cb0aa9acf4df0ae0c0e12090782da9 for pr-128351-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNuriYuri%2Frust_ruby_code_writer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NuriYuri/rust_ruby_code_writer on toolchain b389b0ab72cb0aa9acf4df0ae0c0e12090782da9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NuriYuri/rust_ruby_code_writer
[INFO] finished tweaking git repo https://github.com/NuriYuri/rust_ruby_code_writer
[INFO] tweaked toml for git repo https://github.com/NuriYuri/rust_ruby_code_writer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NuriYuri/rust_ruby_code_writer 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" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `4.0.5+ruby-3.1.2` for dependency `lib-ruby-parser` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc-from-pool v1.0.4
[INFO] [stderr]   Downloaded escape-bytes v0.1.1
[INFO] [stderr]   Downloaded lib-ruby-parser v4.0.5+ruby-3.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a2005489f1529fc715b9009b6528d226f3cf67cb998146c998d816b80f8c5dd
[INFO] running `Command { std: "docker" "start" "-a" "9a2005489f1529fc715b9009b6528d226f3cf67cb998146c998d816b80f8c5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a2005489f1529fc715b9009b6528d226f3cf67cb998146c998d816b80f8c5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a2005489f1529fc715b9009b6528d226f3cf67cb998146c998d816b80f8c5dd", kill_on_drop: false }`
[INFO] [stdout] 9a2005489f1529fc715b9009b6528d226f3cf67cb998146c998d816b80f8c5dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b389b0ab72cb0aa9acf4df0ae0c0e12090782da9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a99cb76cba426c15f9638c9980c2c3ec1fcf7b7fb34ae37512c6fbada743fed
[INFO] running `Command { std: "docker" "start" "-a" "8a99cb76cba426c15f9638c9980c2c3ec1fcf7b7fb34ae37512c6fbada743fed", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `4.0.5+ruby-3.1.2` for dependency `lib-ruby-parser` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling lib-ruby-parser v4.0.5+ruby-3.1.2
[INFO] [stderr]     Checking alloc-from-pool v1.0.4
[INFO] [stderr]     Checking escape-bytes v0.1.1
[INFO] [stderr]     Checking ruby-code-rewrite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tests/explore_constants.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     EndValue(Node),
[INFO] [stdout]    |     -------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConstantHashValue` 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] 10 |     EndValue(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tests/explore_constants.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     EndValue(Node),
[INFO] [stdout]    |     -------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConstantHashValue` 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] 10 |     EndValue(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "8a99cb76cba426c15f9638c9980c2c3ec1fcf7b7fb34ae37512c6fbada743fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a99cb76cba426c15f9638c9980c2c3ec1fcf7b7fb34ae37512c6fbada743fed", kill_on_drop: false }`
[INFO] [stdout] 8a99cb76cba426c15f9638c9980c2c3ec1fcf7b7fb34ae37512c6fbada743fed