[INFO] cloning repository https://github.com/balls-6g/catlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/balls-6g/catlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fballs-6g%2Fcatlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fballs-6g%2Fcatlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67f61297da1900fa96212e46e43b6e0e1e79eb96
[INFO] checking balls-6g/catlang against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fballs-6g%2Fcatlang" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/balls-6g/catlang
[INFO] finished tweaking git repo https://github.com/balls-6g/catlang
[INFO] tweaked toml for git repo https://github.com/balls-6g/catlang written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/balls-6g/catlang on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/balls-6g/catlang 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36a83cc0e2453f70cc7233b8b4337232d53d167c6362a919d6e81f9d75e875cc
[INFO] running `Command { std: "docker" "start" "-a" "36a83cc0e2453f70cc7233b8b4337232d53d167c6362a919d6e81f9d75e875cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36a83cc0e2453f70cc7233b8b4337232d53d167c6362a919d6e81f9d75e875cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a83cc0e2453f70cc7233b8b4337232d53d167c6362a919d6e81f9d75e875cc", kill_on_drop: false }`
[INFO] [stdout] 36a83cc0e2453f70cc7233b8b4337232d53d167c6362a919d6e81f9d75e875cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da2e0dc3928b1a7a9ad65fc8b78781c0572eb7c722b70269fea952fccb2ae6ab
[INFO] running `Command { std: "docker" "start" "-a" "da2e0dc3928b1a7a9ad65fc8b78781c0572eb7c722b70269fea952fccb2ae6ab", kill_on_drop: false }`
[INFO] [stderr]     Checking colored v3.0.0
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]     Checking catc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/error/parse_code/char_unusable_error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]    --> src/parse_code/mod.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     use std::vec;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `comment` is never read
[INFO] [stdout]    --> src/parse_code/mod.rs:134:33
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   comment = true;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]  --> src/ast/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Program<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DefaultTypes` is never used
[INFO] [stdout]  --> src/ast/mod.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum DefaultTypes {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TopLevel` is never used
[INFO] [stdout]   --> src/ast/mod.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum TopLevel<'a> {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FinalExpr` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct FinalExpr {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct Pos {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Function` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct Function<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arg` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Arg<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Type` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Type<'a> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Enum` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct Enum<'a> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Implementation` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct Implementation<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Protocal` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct Protocal<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Module<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Extension` is never constructed
[INFO] [stdout]    --> src/ast/mod.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct Extension<'a> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `source` is never used
[INFO] [stdout]   --> src/error/parse_code/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ParseCodeError {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 35 |     fn source<E>(&self) -> Result<E, &'static str>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/error/parse_code/char_unusable_error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/parse_code/mod.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 last_line.try_into().unwrap(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> src/parse_code/mod.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 last_col.try_into().unwrap(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `catc` (bin "catc") due to 2 previous errors; 17 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: value assigned to `comment` is never read
[INFO] [stdout]    --> src/parse_code/mod.rs:134:33
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   comment = true;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]  --> src/ast/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Program<'a> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DefaultTypes` is never used
[INFO] [stdout]  --> src/ast/mod.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum DefaultTypes {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TopLevel` is never used
[INFO] [stdout]   --> src/ast/mod.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 | enum TopLevel<'a> {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FinalExpr` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct FinalExpr {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct Pos {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Function` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct Function<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arg` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Arg<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Type` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | struct Type<'a> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Enum` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct Enum<'a> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Implementation` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct Implementation<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Protocal` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | struct Protocal<'a> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Module<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Extension` is never constructed
[INFO] [stdout]    --> src/ast/mod.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | struct Extension<'a> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `source` is never used
[INFO] [stdout]   --> src/error/parse_code/mod.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl ParseCodeError {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 35 |     fn source<E>(&self) -> Result<E, &'static str>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/parse_code/mod.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 last_line.try_into().unwrap(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> src/parse_code/mod.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 last_col.try_into().unwrap(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `catc` (bin "catc" test) due to 2 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "da2e0dc3928b1a7a9ad65fc8b78781c0572eb7c722b70269fea952fccb2ae6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2e0dc3928b1a7a9ad65fc8b78781c0572eb7c722b70269fea952fccb2ae6ab", kill_on_drop: false }`
[INFO] [stdout] da2e0dc3928b1a7a9ad65fc8b78781c0572eb7c722b70269fea952fccb2ae6ab