[INFO] cloning repository https://github.com/triKUMA/lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triKUMA/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31943d0887ff845363dc6ca9d8df045cd3c3d6c7
[INFO] checking triKUMA/lox against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/triKUMA/lox on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/triKUMA/lox
[INFO] finished tweaking git repo https://github.com/triKUMA/lox
[INFO] tweaked toml for git repo https://github.com/triKUMA/lox written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/triKUMA/lox 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f2929a19d26da8984aa6cfbc2a49797e4158320ee1f0cd231ecfb7b45d196eb
[INFO] running `Command { std: "docker" "start" "-a" "2f2929a19d26da8984aa6cfbc2a49797e4158320ee1f0cd231ecfb7b45d196eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f2929a19d26da8984aa6cfbc2a49797e4158320ee1f0cd231ecfb7b45d196eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f2929a19d26da8984aa6cfbc2a49797e4158320ee1f0cd231ecfb7b45d196eb", kill_on_drop: false }`
[INFO] [stdout] 2f2929a19d26da8984aa6cfbc2a49797e4158320ee1f0cd231ecfb7b45d196eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b15f08ec387f6121d8be082fc505edc4c70788b0891438441fb10f2fb7ca4d2c
[INFO] running `Command { std: "docker" "start" "-a" "b15f08ec387f6121d8be082fc505edc4c70788b0891438441fb10f2fb7ca4d2c", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `scanner`
[INFO] [stdout]   --> src/lox.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let scanner = Scanner::new(&mut self.error_reporter, src);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scanner`
[INFO] [stdout]   --> src/lox.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let scanner = Scanner::new(&mut self.error_reporter, src);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scanner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_tokens` is never used
[INFO] [stdout]    --> src/./scanner.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl<'a> Scanner<'a> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn display_tokens(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `value`, and `line` are never read
[INFO] [stdout]    --> src/./scanner.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 292 | pub struct Token<'a> {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 293 |     pub token_type: TokenType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 294 |     pub lexeme: &'a str,
[INFO] [stdout] 295 |     pub value: TokenValue<'a>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 296 |     pub line: usize,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_tokens` is never used
[INFO] [stdout]    --> src/./scanner.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl<'a> Scanner<'a> {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn display_tokens(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type`, `value`, and `line` are never read
[INFO] [stdout]    --> src/./scanner.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 292 | pub struct Token<'a> {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 293 |     pub token_type: TokenType,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 294 |     pub lexeme: &'a str,
[INFO] [stdout] 295 |     pub value: TokenValue<'a>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 296 |     pub line: usize,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "b15f08ec387f6121d8be082fc505edc4c70788b0891438441fb10f2fb7ca4d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15f08ec387f6121d8be082fc505edc4c70788b0891438441fb10f2fb7ca4d2c", kill_on_drop: false }`
[INFO] [stdout] b15f08ec387f6121d8be082fc505edc4c70788b0891438441fb10f2fb7ca4d2c
[INFO] checking triKUMA/lox against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FtriKUMA%2Flox" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/triKUMA/lox on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/triKUMA/lox
[INFO] finished tweaking git repo https://github.com/triKUMA/lox
[INFO] tweaked toml for git repo https://github.com/triKUMA/lox written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/triKUMA/lox 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c409aca73ba89e0568acabb6f4162f9f12b02a1f152c123448e66d4dd198a91d
[INFO] running `Command { std: "docker" "start" "-a" "c409aca73ba89e0568acabb6f4162f9f12b02a1f152c123448e66d4dd198a91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c409aca73ba89e0568acabb6f4162f9f12b02a1f152c123448e66d4dd198a91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c409aca73ba89e0568acabb6f4162f9f12b02a1f152c123448e66d4dd198a91d", kill_on_drop: false }`
[INFO] [stdout] c409aca73ba89e0568acabb6f4162f9f12b02a1f152c123448e66d4dd198a91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ba07e3e43e3b9394c4dc67db564cfb140ab3d2dccd3b783f2dee968231f4ec4
[INFO] running `Command { std: "docker" "start" "-a" "5ba07e3e43e3b9394c4dc67db564cfb140ab3d2dccd3b783f2dee968231f4ec4", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.6.2/src/inflate/core.rs:1107:9
[INFO] [stdout]      |
[INFO] [stdout] 1107 | /         match state {
[INFO] [stdout] 1108 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1109 | |                 l.bit_buf = 0;
[INFO] [stdout] 1110 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1640 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1641 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5ba07e3e43e3b9394c4dc67db564cfb140ab3d2dccd3b783f2dee968231f4ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba07e3e43e3b9394c4dc67db564cfb140ab3d2dccd3b783f2dee968231f4ec4", kill_on_drop: false }`
[INFO] [stdout] 5ba07e3e43e3b9394c4dc67db564cfb140ab3d2dccd3b783f2dee968231f4ec4