[INFO] cloning repository https://github.com/ebresafegaga/btc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ebresafegaga/btc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febresafegaga%2Fbtc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febresafegaga%2Fbtc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0bba05cbab960704fab2eae70334d6a354ebced8
[INFO] checking ebresafegaga/btc against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febresafegaga%2Fbtc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ebresafegaga/btc 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/ebresafegaga/btc
[INFO] finished tweaking git repo https://github.com/ebresafegaga/btc
[INFO] tweaked toml for git repo https://github.com/ebresafegaga/btc written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ebresafegaga/btc 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.5.1
[INFO] [stderr]   Downloaded lalrpop-util v0.20.0
[INFO] [stderr]   Downloaded pico-args v0.5.0
[INFO] [stderr]   Downloaded lalrpop v0.20.0
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded rustix v0.38.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cf1f1243928ed1dd013a653dd82bbfaf08847bf95ada216b3449a51abea45047
[INFO] running `Command { std: "docker" "start" "-a" "cf1f1243928ed1dd013a653dd82bbfaf08847bf95ada216b3449a51abea45047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf1f1243928ed1dd013a653dd82bbfaf08847bf95ada216b3449a51abea45047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1f1243928ed1dd013a653dd82bbfaf08847bf95ada216b3449a51abea45047", kill_on_drop: false }`
[INFO] [stdout] cf1f1243928ed1dd013a653dd82bbfaf08847bf95ada216b3449a51abea45047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 32dd7cb78e0415ecf4d3cfbdd1411c4d536566b79ce0819cfa7f99e85a0bf387
[INFO] running `Command { std: "docker" "start" "-a" "32dd7cb78e0415ecf4d3cfbdd1411c4d536566b79ce0819cfa7f99e85a0bf387", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]     Checking lalrpop-util v0.20.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lalrpop v0.20.0
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling btc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::__parse__Def::DefParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:4268:9
[INFO] [stdout]      |
[INFO] [stdout] 4268 | pub use self::__parse__Def::DefParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Expr::ExprParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:8413:9
[INFO] [stdout]      |
[INFO] [stdout] 8413 | pub use self::__parse__Expr::ExprParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__ExprOne::ExprOneParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:12563:9
[INFO] [stdout]       |
[INFO] [stdout] 12563 | pub use self::__parse__ExprOne::ExprOneParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Identifier::IdentifierParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:16240:9
[INFO] [stdout]       |
[INFO] [stdout] 16240 | pub use self::__parse__Identifier::IdentifierParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Nat::NatParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:19917:9
[INFO] [stdout]       |
[INFO] [stdout] 19917 | pub use self::__parse__Nat::NatParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Operator::OperatorParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:23618:9
[INFO] [stdout]       |
[INFO] [stdout] 23618 | pub use self::__parse__Operator::OperatorParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Def::DefParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:4268:9
[INFO] [stdout]      |
[INFO] [stdout] 4268 | pub use self::__parse__Def::DefParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Return::ReturnParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:31662:9
[INFO] [stdout]       |
[INFO] [stdout] 31662 | pub use self::__parse__Return::ReturnParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Expr::ExprParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:8413:9
[INFO] [stdout]      |
[INFO] [stdout] 8413 | pub use self::__parse__Expr::ExprParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__TermStructBody::TermStructBodyParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:35807:9
[INFO] [stdout]       |
[INFO] [stdout] 35807 | pub use self::__parse__TermStructBody::TermStructBodyParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__ExprOne::ExprOneParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:12563:9
[INFO] [stdout]       |
[INFO] [stdout] 12563 | pub use self::__parse__ExprOne::ExprOneParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__TyStructBody::TyStructBodyParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:39589:9
[INFO] [stdout]       |
[INFO] [stdout] 39589 | pub use self::__parse__TyStructBody::TyStructBodyParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Identifier::IdentifierParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:16240:9
[INFO] [stdout]       |
[INFO] [stdout] 16240 | pub use self::__parse__Identifier::IdentifierParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Type::TypeParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:43355:9
[INFO] [stdout]       |
[INFO] [stdout] 43355 | pub use self::__parse__Type::TypeParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Nat::NatParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:19917:9
[INFO] [stdout]       |
[INFO] [stdout] 19917 | pub use self::__parse__Nat::NatParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Operator::OperatorParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:23618:9
[INFO] [stdout]       |
[INFO] [stdout] 23618 | pub use self::__parse__Operator::OperatorParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Return::ReturnParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:31662:9
[INFO] [stdout]       |
[INFO] [stdout] 31662 | pub use self::__parse__Return::ReturnParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__TermStructBody::TermStructBodyParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:35807:9
[INFO] [stdout]       |
[INFO] [stdout] 35807 | pub use self::__parse__TermStructBody::TermStructBodyParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__TyStructBody::TyStructBodyParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:39589:9
[INFO] [stdout]       |
[INFO] [stdout] 39589 | pub use self::__parse__TyStructBody::TyStructBodyParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Type::TypeParser`
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:43355:9
[INFO] [stdout]       |
[INFO] [stdout] 43355 | pub use self::__parse__Type::TypeParser;
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to_triple` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:45972:8
[INFO] [stdout]       |
[INFO] [stdout] 45970 | pub trait __ToTriple<'input, >
[INFO] [stdout]       |           ---------- associated function in this trait
[INFO] [stdout] 45971 | {
[INFO] [stdout] 45972 |     fn to_triple(value: Self) -> Result<(usize,Token<'input>,usize), __lalrpop_util::ParseError<usize, Token<'input>, &'static str>>;
[INFO] [stdout]       |        ^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:1561:16
[INFO] [stdout]      |
[INFO] [stdout] 1560 |     impl DefParser {
[INFO] [stdout]      |     -------------- associated function in this implementation
[INFO] [stdout] 1561 |         pub fn new() -> DefParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:5706:16
[INFO] [stdout]      |
[INFO] [stdout] 5705 |     impl ExprParser {
[INFO] [stdout]      |     --------------- associated function in this implementation
[INFO] [stdout] 5706 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:9856:16
[INFO] [stdout]      |
[INFO] [stdout] 9855 |     impl ExprOneParser {
[INFO] [stdout]      |     ------------------ associated function in this implementation
[INFO] [stdout] 9856 |         pub fn new() -> ExprOneParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:13533:16
[INFO] [stdout]       |
[INFO] [stdout] 13532 |     impl IdentifierParser {
[INFO] [stdout]       |     --------------------- associated function in this implementation
[INFO] [stdout] 13533 |         pub fn new() -> IdentifierParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:17210:16
[INFO] [stdout]       |
[INFO] [stdout] 17209 |     impl NatParser {
[INFO] [stdout]       |     -------------- associated function in this implementation
[INFO] [stdout] 17210 |         pub fn new() -> NatParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:20911:16
[INFO] [stdout]       |
[INFO] [stdout] 20910 |     impl OperatorParser {
[INFO] [stdout]       |     ------------------- associated function in this implementation
[INFO] [stdout] 20911 |         pub fn new() -> OperatorParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:28955:16
[INFO] [stdout]       |
[INFO] [stdout] 28954 |     impl ReturnParser {
[INFO] [stdout]       |     ----------------- associated function in this implementation
[INFO] [stdout] 28955 |         pub fn new() -> ReturnParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:33100:16
[INFO] [stdout]       |
[INFO] [stdout] 33099 |     impl TermStructBodyParser {
[INFO] [stdout]       |     ------------------------- associated function in this implementation
[INFO] [stdout] 33100 |         pub fn new() -> TermStructBodyParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:36882:16
[INFO] [stdout]       |
[INFO] [stdout] 36881 |     impl TyStructBodyParser {
[INFO] [stdout]       |     ----------------------- associated function in this implementation
[INFO] [stdout] 36882 |         pub fn new() -> TyStructBodyParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:40648:16
[INFO] [stdout]       |
[INFO] [stdout] 40647 |     impl TypeParser {
[INFO] [stdout]       |     --------------- associated function in this implementation
[INFO] [stdout] 40648 |         pub fn new() -> TypeParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |     Natural(u32),
[INFO] [stdout]     |     ------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 134 |     Natural(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 |     String(String),
[INFO] [stdout]     |     ------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 136 |     String(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:138:10
[INFO] [stdout]     |
[INFO] [stdout] 138 |     Bool(bool),
[INFO] [stdout]     |     ---- ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 138 |     Bool(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]    --> src/syntax.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub enum ExprOne<T> {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 159 |     Unknown,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExprOne` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/typing.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     TypeMismatch(syntax::Type, syntax::Type),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 36 |     TypeMismatch((), ()),
[INFO] [stdout]    |                  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typing.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Expected(syntax::Type),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Expected(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typing.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     UnboundVariable(syntax::Name),
[INFO] [stdout]    |     --------------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 |     UnboundVariable(()),
[INFO] [stdout]    |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typing.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     UnboundType(syntax::Name),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 |     UnboundType(()),
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typing.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |     UnboundFieldName(syntax::Name),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 58 |     UnboundFieldName(()),
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/typing.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 62 |     FieldNotFound(syntax::Name, Vec<(syntax::Name, syntax::Type)>),
[INFO] [stdout]    |     ------------- ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 62 |     FieldNotFound((), ()),
[INFO] [stdout]    |                   ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]   --> src/typing.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 65 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to_triple` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:45972:8
[INFO] [stdout]       |
[INFO] [stdout] 45970 | pub trait __ToTriple<'input, >
[INFO] [stdout]       |           ---------- associated function in this trait
[INFO] [stdout] 45971 | {
[INFO] [stdout] 45972 |     fn to_triple(value: Self) -> Result<(usize,Token<'input>,usize), __lalrpop_util::ParseError<usize, Token<'input>, &'static str>>;
[INFO] [stdout]       |        ^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:1561:16
[INFO] [stdout]      |
[INFO] [stdout] 1560 |     impl DefParser {
[INFO] [stdout]      |     -------------- associated function in this implementation
[INFO] [stdout] 1561 |         pub fn new() -> DefParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:5706:16
[INFO] [stdout]      |
[INFO] [stdout] 5705 |     impl ExprParser {
[INFO] [stdout]      |     --------------- associated function in this implementation
[INFO] [stdout] 5706 |         pub fn new() -> ExprParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:9856:16
[INFO] [stdout]      |
[INFO] [stdout] 9855 |     impl ExprOneParser {
[INFO] [stdout]      |     ------------------ associated function in this implementation
[INFO] [stdout] 9856 |         pub fn new() -> ExprOneParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:13533:16
[INFO] [stdout]       |
[INFO] [stdout] 13532 |     impl IdentifierParser {
[INFO] [stdout]       |     --------------------- associated function in this implementation
[INFO] [stdout] 13533 |         pub fn new() -> IdentifierParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:17210:16
[INFO] [stdout]       |
[INFO] [stdout] 17209 |     impl NatParser {
[INFO] [stdout]       |     -------------- associated function in this implementation
[INFO] [stdout] 17210 |         pub fn new() -> NatParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:20911:16
[INFO] [stdout]       |
[INFO] [stdout] 20910 |     impl OperatorParser {
[INFO] [stdout]       |     ------------------- associated function in this implementation
[INFO] [stdout] 20911 |         pub fn new() -> OperatorParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:28955:16
[INFO] [stdout]       |
[INFO] [stdout] 28954 |     impl ReturnParser {
[INFO] [stdout]       |     ----------------- associated function in this implementation
[INFO] [stdout] 28955 |         pub fn new() -> ReturnParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:33100:16
[INFO] [stdout]       |
[INFO] [stdout] 33099 |     impl TermStructBodyParser {
[INFO] [stdout]       |     ------------------------- associated function in this implementation
[INFO] [stdout] 33100 |         pub fn new() -> TermStructBodyParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:36882:16
[INFO] [stdout]       |
[INFO] [stdout] 36881 |     impl TyStructBodyParser {
[INFO] [stdout]       |     ----------------------- associated function in this implementation
[INFO] [stdout] 36882 |         pub fn new() -> TyStructBodyParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]      --> /opt/rustwide/target/debug/build/btc-e8f7f4b61efcf0a1/out/grammar.rs:40648:16
[INFO] [stdout]       |
[INFO] [stdout] 40647 |     impl TypeParser {
[INFO] [stdout]       |     --------------- associated function in this implementation
[INFO] [stdout] 40648 |         pub fn new() -> TypeParser {
[INFO] [stdout]       |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |     Natural(u32),
[INFO] [stdout]     |     ------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 134 |     Natural(()),
[INFO] [stdout]     |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 |     String(String),
[INFO] [stdout]     |     ------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 136 |     String(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/syntax.rs:138:10
[INFO] [stdout]     |
[INFO] [stdout] 138 |     Bool(bool),
[INFO] [stdout]     |     ---- ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 138 |     Bool(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]    --> src/syntax.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub enum ExprOne<T> {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 159 |     Unknown,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ExprOne` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/typing.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     TypeMismatch(syntax::Type, syntax::Type),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 36 |     TypeMismatch((), ()),
[INFO] [stdout]    |                  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typing.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Expected(syntax::Type),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Expected(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typing.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     UnboundVariable(syntax::Name),
[INFO] [stdout]    |     --------------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 |     UnboundVariable(()),
[INFO] [stdout]    |                     ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typing.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     UnboundType(syntax::Name),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 |     UnboundType(()),
[INFO] [stdout]    |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/typing.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |     UnboundFieldName(syntax::Name),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 58 |     UnboundFieldName(()),
[INFO] [stdout]    |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/typing.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 62 |     FieldNotFound(syntax::Name, Vec<(syntax::Name, syntax::Type)>),
[INFO] [stdout]    |     ------------- ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 62 |     FieldNotFound((), ()),
[INFO] [stdout]    |                   ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]   --> src/typing.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum Error {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 65 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "32dd7cb78e0415ecf4d3cfbdd1411c4d536566b79ce0819cfa7f99e85a0bf387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32dd7cb78e0415ecf4d3cfbdd1411c4d536566b79ce0819cfa7f99e85a0bf387", kill_on_drop: false }`
[INFO] [stdout] 32dd7cb78e0415ecf4d3cfbdd1411c4d536566b79ce0819cfa7f99e85a0bf387
[INFO] checking ebresafegaga/btc against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febresafegaga%2Fbtc" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ebresafegaga/btc 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/ebresafegaga/btc
[INFO] finished tweaking git repo https://github.com/ebresafegaga/btc
[INFO] tweaked toml for git repo https://github.com/ebresafegaga/btc written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ebresafegaga/btc 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 08ce93e176fcb2941173ab8d754591806224be184702b649500a726348a75fcf
[INFO] running `Command { std: "docker" "start" "-a" "08ce93e176fcb2941173ab8d754591806224be184702b649500a726348a75fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08ce93e176fcb2941173ab8d754591806224be184702b649500a726348a75fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ce93e176fcb2941173ab8d754591806224be184702b649500a726348a75fcf", kill_on_drop: false }`
[INFO] [stdout] 08ce93e176fcb2941173ab8d754591806224be184702b649500a726348a75fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 29036abb2851c4c6d81a651a59e2d5aa7c39ea63714f4a8ae149b44d5841a5a7
[INFO] running `Command { std: "docker" "start" "-a" "29036abb2851c4c6d81a651a59e2d5aa7c39ea63714f4a8ae149b44d5841a5a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.3/src/exec.rs:848:13
[INFO] [stdout]     |
[INFO] [stdout] 848 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 849 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 850 | |                 self.cache.value(),
[INFO] [stdout] 851 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 862 | |                 Quit => return Some(Quit),
[INFO] [stdout] 863 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[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 `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "29036abb2851c4c6d81a651a59e2d5aa7c39ea63714f4a8ae149b44d5841a5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29036abb2851c4c6d81a651a59e2d5aa7c39ea63714f4a8ae149b44d5841a5a7", kill_on_drop: false }`
[INFO] [stdout] 29036abb2851c4c6d81a651a59e2d5aa7c39ea63714f4a8ae149b44d5841a5a7