[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 master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavid-Factor%2Fred" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/David-Factor/red on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac6cc0f2790999ce8b4eabaa048614b8a4b7fde566e626dc580421bcc121a95b
[INFO] running `Command { std: "docker" "start" "-a" "ac6cc0f2790999ce8b4eabaa048614b8a4b7fde566e626dc580421bcc121a95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6cc0f2790999ce8b4eabaa048614b8a4b7fde566e626dc580421bcc121a95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6cc0f2790999ce8b4eabaa048614b8a4b7fde566e626dc580421bcc121a95b", kill_on_drop: false }`
[INFO] [stdout] ac6cc0f2790999ce8b4eabaa048614b8a4b7fde566e626dc580421bcc121a95b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d1323eb95c8299af273f10c3faf9b797c835359d7d161e253a67a1c69ebdadd
[INFO] running `Command { std: "docker" "start" "-a" "1d1323eb95c8299af273f10c3faf9b797c835359d7d161e253a67a1c69ebdadd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking red v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/ast.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     value: T,
[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_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] 
[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: field is never read: `path`
[INFO] [stdout]    --> src/typecheck.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     path: Path,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `error`
[INFO] [stdout]    --> src/typecheck.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     error: TypeError<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expected`
[INFO] [stdout]    --> src/typecheck.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     expected: Type,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `received`
[INFO] [stdout]    --> src/typecheck.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     received: Type,
[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: field is never read: `value`
[INFO] [stdout]   --> src/ast.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     value: T,
[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_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] 
[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: field is never read: `path`
[INFO] [stdout]    --> src/typecheck.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     path: Path,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `error`
[INFO] [stdout]    --> src/typecheck.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     error: TypeError<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expected`
[INFO] [stdout]    --> src/typecheck.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     expected: Type,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `received`
[INFO] [stdout]    --> src/typecheck.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     received: Type,
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 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 21.49s
[INFO] running `Command { std: "docker" "inspect" "1d1323eb95c8299af273f10c3faf9b797c835359d7d161e253a67a1c69ebdadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1323eb95c8299af273f10c3faf9b797c835359d7d161e253a67a1c69ebdadd", kill_on_drop: false }`
[INFO] [stdout] 1d1323eb95c8299af273f10c3faf9b797c835359d7d161e253a67a1c69ebdadd