[INFO] cloning repository https://github.com/David-Factor/red
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/David-Factor/red" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavid-Factor%2Fred", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavid-Factor%2Fred'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64b7db3c70c6639b128c15e94aea002e5b8efd77
[INFO] checking David-Factor/red against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavid-Factor%2Fred" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/David-Factor/red on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/David-Factor/red
[INFO] finished tweaking git repo https://github.com/David-Factor/red
[INFO] tweaked toml for git repo https://github.com/David-Factor/red written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/David-Factor/red already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79a678d451fccefcac9ec958aaa20f043d0649abbea92b49228f35ae56005131
[INFO] running `Command { std: "docker" "start" "-a" "79a678d451fccefcac9ec958aaa20f043d0649abbea92b49228f35ae56005131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a678d451fccefcac9ec958aaa20f043d0649abbea92b49228f35ae56005131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a678d451fccefcac9ec958aaa20f043d0649abbea92b49228f35ae56005131", kill_on_drop: false }`
[INFO] [stdout] 79a678d451fccefcac9ec958aaa20f043d0649abbea92b49228f35ae56005131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cbdb9f2b7ed4eead3d43dee2913ffda3bcfcbf5a99419dd2a891c45c087988b7
[INFO] running `Command { std: "docker" "start" "-a" "cbdb9f2b7ed4eead3d43dee2913ffda3bcfcbf5a99419dd2a891c45c087988b7", kill_on_drop: false }`
[INFO] [stderr]     Checking ryu v1.0.3
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking red v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `assert_number`
[INFO] [stdout]   --> src/typecheck.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn assert_number(path: Path, received: Type) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assert_text`
[INFO] [stdout]   --> src/typecheck.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn assert_text(path: Path, received: Type) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `boundVar` should have a snake case name
[INFO] [stdout]   --> src/ast.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub boundVar: String,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `bound_var`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assert_number`
[INFO] [stdout]   --> src/typecheck.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn assert_number(path: Path, received: Type) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assert_text`
[INFO] [stdout]   --> src/typecheck.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn assert_text(path: Path, received: Type) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `boundVar` should have a snake case name
[INFO] [stdout]   --> src/ast.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub boundVar: String,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `bound_var`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let if_ = r#"{"name": "if",
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_if_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let if_ = r#"{"name": "if",
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_if_`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "cbdb9f2b7ed4eead3d43dee2913ffda3bcfcbf5a99419dd2a891c45c087988b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbdb9f2b7ed4eead3d43dee2913ffda3bcfcbf5a99419dd2a891c45c087988b7", kill_on_drop: false }`
[INFO] [stdout] cbdb9f2b7ed4eead3d43dee2913ffda3bcfcbf5a99419dd2a891c45c087988b7