[INFO] fetching crate shrimplang 0.1.0... [INFO] checking shrimplang-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate shrimplang 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate shrimplang 0.1.0 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 crates.io crate shrimplang 0.1.0 [INFO] finished tweaking crates.io crate shrimplang 0.1.0 [INFO] tweaked toml for crates.io crate shrimplang 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate shrimplang 0.1.0 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded logos-derive v0.13.0 [INFO] [stderr] Downloaded logos v0.13.0 [INFO] [stderr] Downloaded thiserror-impl v1.0.46 [INFO] [stderr] Downloaded logos-codegen v0.13.0 [INFO] [stderr] Downloaded thiserror v1.0.46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d87a84ad7df3f578a6732c7b7a9e5ab2df6764e35648c8a31b709e37c80267f9 [INFO] running `Command { std: "docker" "start" "-a" "d87a84ad7df3f578a6732c7b7a9e5ab2df6764e35648c8a31b709e37c80267f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d87a84ad7df3f578a6732c7b7a9e5ab2df6764e35648c8a31b709e37c80267f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d87a84ad7df3f578a6732c7b7a9e5ab2df6764e35648c8a31b709e37c80267f9", kill_on_drop: false }` [INFO] [stdout] d87a84ad7df3f578a6732c7b7a9e5ab2df6764e35648c8a31b709e37c80267f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 07751b1d336d02e92cb94ee9294aa29a6317a493a8a6e98e3bd7026ae055455b [INFO] running `Command { std: "docker" "start" "-a" "07751b1d336d02e92cb94ee9294aa29a6317a493a8a6e98e3bd7026ae055455b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling rustix v0.37.11 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking linux-raw-sys v0.3.1 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Compiling thiserror v1.0.46 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking home v0.5.5 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Compiling logos-codegen v0.13.0 [INFO] [stderr] Checking fd-lock v3.0.12 [INFO] [stderr] Checking rustyline v12.0.0 [INFO] [stderr] Compiling thiserror-impl v1.0.46 [INFO] [stderr] Compiling logos-derive v0.13.0 [INFO] [stderr] Checking logos v0.13.0 [INFO] [stderr] Checking shrimplang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/parser.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lexer::{self, Token}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | dbg!(parser::parse_program(&mut parser)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | dbg!(parser::parse_program(&mut parser)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s [INFO] running `Command { std: "docker" "inspect" "07751b1d336d02e92cb94ee9294aa29a6317a493a8a6e98e3bd7026ae055455b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07751b1d336d02e92cb94ee9294aa29a6317a493a8a6e98e3bd7026ae055455b", kill_on_drop: false }` [INFO] [stdout] 07751b1d336d02e92cb94ee9294aa29a6317a493a8a6e98e3bd7026ae055455b [INFO] checking shrimplang-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate shrimplang 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate shrimplang 0.1.0 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 crates.io crate shrimplang 0.1.0 [INFO] finished tweaking crates.io crate shrimplang 0.1.0 [INFO] tweaked toml for crates.io crate shrimplang 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate shrimplang 0.1.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5a8e1195c44a6f8bcfec91bf4a54531bee1262fafcf2556abf02b62457978e05 [INFO] running `Command { std: "docker" "start" "-a" "5a8e1195c44a6f8bcfec91bf4a54531bee1262fafcf2556abf02b62457978e05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a8e1195c44a6f8bcfec91bf4a54531bee1262fafcf2556abf02b62457978e05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a8e1195c44a6f8bcfec91bf4a54531bee1262fafcf2556abf02b62457978e05", kill_on_drop: false }` [INFO] [stdout] 5a8e1195c44a6f8bcfec91bf4a54531bee1262fafcf2556abf02b62457978e05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 942d61bbb6fb2c432d4f7bc99b6707d8be2b2c81c847158a0a0125b6ca5cfd07 [INFO] running `Command { std: "docker" "start" "-a" "942d61bbb6fb2c432d4f7bc99b6707d8be2b2c81c847158a0a0125b6ca5cfd07", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling libc v0.2.141 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling rustix v0.37.11 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking linux-raw-sys v0.3.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling thiserror v1.0.46 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking home v0.5.5 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Compiling logos-codegen v0.13.0 [INFO] [stderr] Checking fd-lock v3.0.12 [INFO] [stderr] Checking rustyline v12.0.0 [INFO] [stderr] Compiling thiserror-impl v1.0.46 [INFO] [stderr] Compiling logos-derive v0.13.0 [INFO] [stderr] Checking logos v0.13.0 [INFO] [stderr] Checking shrimplang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/parser.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lexer::{self, Token}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/parser.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | / match self.l.next() { [INFO] [stdout] 81 | | Some(Ok(t)) => { [INFO] [stdout] 82 | | self.peek = Some((t.clone(), self.token_literal())); [INFO] [stdout] 83 | | return Ok(t); [INFO] [stdout] ... | [INFO] [stdout] 89 | | } [INFO] [stdout] 90 | | }; [INFO] [stdout] | |_________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/parser.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | / match self.l.next() { [INFO] [stdout] 81 | | Some(Ok(t)) => { [INFO] [stdout] 82 | | self.peek = Some((t.clone(), self.token_literal())); [INFO] [stdout] 83 | | return Ok(t); [INFO] [stdout] ... | [INFO] [stdout] 89 | | } [INFO] [stdout] 90 | | }; [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 `shrimplang` (bin "shrimp" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `shrimplang` (bin "shrimp") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "942d61bbb6fb2c432d4f7bc99b6707d8be2b2c81c847158a0a0125b6ca5cfd07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "942d61bbb6fb2c432d4f7bc99b6707d8be2b2c81c847158a0a0125b6ca5cfd07", kill_on_drop: false }` [INFO] [stdout] 942d61bbb6fb2c432d4f7bc99b6707d8be2b2c81c847158a0a0125b6ca5cfd07