[INFO] cloning repository https://github.com/mitchelljustin/scout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mitchelljustin/scout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchelljustin%2Fscout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchelljustin%2Fscout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aabe79630b2e27d6b5afc47fb2158495d18039a3
[INFO] checking mitchelljustin/scout against master#8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchelljustin%2Fscout" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mitchelljustin/scout on toolchain 8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mitchelljustin/scout
[INFO] finished tweaking git repo https://github.com/mitchelljustin/scout
[INFO] tweaked toml for git repo https://github.com/mitchelljustin/scout written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mitchelljustin/scout 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" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f744047ec6ed82a88e7ef58ed6195e2e241ab96123157a0efabb4507012cba66
[INFO] running `Command { std: "docker" "start" "-a" "f744047ec6ed82a88e7ef58ed6195e2e241ab96123157a0efabb4507012cba66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f744047ec6ed82a88e7ef58ed6195e2e241ab96123157a0efabb4507012cba66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f744047ec6ed82a88e7ef58ed6195e2e241ab96123157a0efabb4507012cba66", kill_on_drop: false }`
[INFO] [stdout] f744047ec6ed82a88e7ef58ed6195e2e241ab96123157a0efabb4507012cba66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b78a9203993eafecda0ce9606575f054ca820952551220d3df49d7c250a3d5ac
[INFO] running `Command { std: "docker" "start" "-a" "b78a9203993eafecda0ce9606575f054ca820952551220d3df49d7c250a3d5ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling pest v2.7.0
[INFO] [stderr]    Compiling pest_meta v2.7.0
[INFO] [stderr]    Compiling pest_generator v2.7.0
[INFO] [stderr]    Compiling pest_derive v2.7.0
[INFO] [stderr]     Checking scout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/interpreter/stdlib.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             $body
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/interpreter/stdlib.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             $body
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter/runtime.rs:284:57
[INFO] [stdout]     |
[INFO] [stdout] 284 |             Function::User(UserFunction { params, body, name }) => {
[INFO] [stdout]     |                                                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter/runtime.rs:284:57
[INFO] [stdout]     |
[INFO] [stdout] 284 |             Function::User(UserFunction { params, body, name }) => {
[INFO] [stdout]     |                                                         ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `arity` are never read
[INFO] [stdout]    --> src/interpreter/runtime.rs:355:16
[INFO] [stdout]     |
[INFO] [stdout] 355 |     Function { path: Path, arity: usize },
[INFO] [stdout]     |     --------   ^^^^        ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScopeContext` 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: method `map_inner` is never used
[INFO] [stdout]    --> src/parse.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | trait PairExt<'a, R>
[INFO] [stdout]     |       ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 178 |     fn map_inner<T, Col>(self) -> Col
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `arity` are never read
[INFO] [stdout]    --> src/interpreter/runtime.rs:355:16
[INFO] [stdout]     |
[INFO] [stdout] 355 |     Function { path: Path, arity: usize },
[INFO] [stdout]     |     --------   ^^^^        ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScopeContext` 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: method `map_inner` is never used
[INFO] [stdout]    --> src/parse.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 167 | trait PairExt<'a, R>
[INFO] [stdout]     |       ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 178 |     fn map_inner<T, Col>(self) -> Col
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.94s
[INFO] running `Command { std: "docker" "inspect" "b78a9203993eafecda0ce9606575f054ca820952551220d3df49d7c250a3d5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78a9203993eafecda0ce9606575f054ca820952551220d3df49d7c250a3d5ac", kill_on_drop: false }`
[INFO] [stdout] b78a9203993eafecda0ce9606575f054ca820952551220d3df49d7c250a3d5ac