[INFO] cloning repository https://github.com/kalkins/fagdag-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kalkins/fagdag-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalkins%2Ffagdag-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalkins%2Ffagdag-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb4e2a47a4960ff9b2a644d23c54e91f9f0ba24e
[INFO] checking kalkins/fagdag-interpreter against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalkins%2Ffagdag-interpreter" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kalkins/fagdag-interpreter
[INFO] finished tweaking git repo https://github.com/kalkins/fagdag-interpreter
[INFO] tweaked toml for git repo https://github.com/kalkins/fagdag-interpreter written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kalkins/fagdag-interpreter on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kalkins/fagdag-interpreter 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.2.7
[INFO] [stderr]   Downloaded from-pest v0.3.2
[INFO] [stderr]   Downloaded pest_derive v2.5.7
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded pest_generator v2.5.7
[INFO] [stderr]   Downloaded pest v2.5.7
[INFO] [stderr]   Downloaded pest_meta v2.5.7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 001a18975415eeed0e82de7d622cd4af9a0cbb4d52d5d0acc7dbfe6b45c5dbee
[INFO] running `Command { std: "docker" "start" "-a" "001a18975415eeed0e82de7d622cd4af9a0cbb4d52d5d0acc7dbfe6b45c5dbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "001a18975415eeed0e82de7d622cd4af9a0cbb4d52d5d0acc7dbfe6b45c5dbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001a18975415eeed0e82de7d622cd4af9a0cbb4d52d5d0acc7dbfe6b45c5dbee", kill_on_drop: false }`
[INFO] [stdout] 001a18975415eeed0e82de7d622cd4af9a0cbb4d52d5d0acc7dbfe6b45c5dbee
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35f2e3ad42cea87fc867febd6f88ed797bd525c07b2d4a61368da3d126da3919
[INFO] running `Command { std: "docker" "start" "-a" "35f2e3ad42cea87fc867febd6f88ed797bd525c07b2d4a61368da3d126da3919", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling pest v2.5.7
[INFO] [stderr]    Compiling pest_meta v2.5.7
[INFO] [stderr]     Checking from-pest v0.3.2
[INFO] [stderr]    Compiling pest_generator v2.5.7
[INFO] [stderr]    Compiling pest_derive v2.5.7
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `debug_grammar`
[INFO] [stdout]   --> src/parser/mod.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |             #[cfg(debug_grammar)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(debug_grammar)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(debug_grammar)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `debug_grammar`
[INFO] [stdout]   --> src/parser/mod.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |             #[cfg(debug_grammar)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(debug_grammar)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(debug_grammar)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]  --> src/compiler/expression.rs:4:56
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn compile_expression(expression: &ExpressionNode, stack: &Stack) -> Result<String, String> {
[INFO] [stdout]   |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]  --> src/compiler/expression.rs:4:56
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn compile_expression(expression: &ExpressionNode, stack: &Stack) -> Result<String, String> {
[INFO] [stdout]   |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.07s
[INFO] running `Command { std: "docker" "inspect" "35f2e3ad42cea87fc867febd6f88ed797bd525c07b2d4a61368da3d126da3919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f2e3ad42cea87fc867febd6f88ed797bd525c07b2d4a61368da3d126da3919", kill_on_drop: false }`
[INFO] [stdout] 35f2e3ad42cea87fc867febd6f88ed797bd525c07b2d4a61368da3d126da3919
