[INFO] cloning repository https://github.com/theidiotmachine/WA1 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theidiotmachine/WA1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheidiotmachine%2FWA1", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheidiotmachine%2FWA1'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8f93c8ff5268eaf13da4a53b04c9819ba563c692 [INFO] checking theidiotmachine/WA1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheidiotmachine%2FWA1" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/theidiotmachine/WA1 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/theidiotmachine/WA1 [INFO] finished tweaking git repo https://github.com/theidiotmachine/WA1 [INFO] tweaked toml for git repo https://github.com/theidiotmachine/WA1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/theidiotmachine/WA1 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 zstd v0.5.1+zstd.1.4.4 [INFO] [stderr] Downloaded wasmtime v0.8.0 [INFO] [stderr] Downloaded cc v1.0.47 [INFO] [stderr] Downloaded zstd-safe v2.0.3+zstd.1.4.4 [INFO] [stderr] Downloaded winapi-util v0.1.2 [INFO] [stderr] Downloaded thiserror v1.0.9 [INFO] [stderr] Downloaded constant_time_eq v0.1.4 [INFO] [stderr] Downloaded smallvec v1.0.0 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded memoffset v0.5.3 [INFO] [stderr] Downloaded plain v0.2.3 [INFO] [stderr] Downloaded raw-cpuid v7.0.3 [INFO] [stderr] Downloaded redox_users v0.3.1 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded serde_json v1.0.44 [INFO] [stderr] Downloaded regex-syntax v0.6.12 [INFO] [stderr] Downloaded regex v1.3.1 [INFO] [stderr] Downloaded gimli v0.19.0 [INFO] [stderr] Downloaded backtrace-sys v0.1.32 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] [stderr] Downloaded goblin v0.1.2 [INFO] [stderr] 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v1.2.1 [INFO] [stderr] Downloaded termcolor v1.0.5 [INFO] [stderr] Downloaded indexmap v1.3.0 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded crossbeam-queue v0.2.0 [INFO] [stderr] Downloaded sha2 v0.8.0 [INFO] [stderr] Downloaded quote v1.0.2 [INFO] [stderr] Downloaded crossbeam-deque v0.7.2 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded jobserver v0.1.17 [INFO] [stderr] Downloaded quick-error v1.2.2 [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded wincolor v1.0.2 [INFO] [stderr] Downloaded env_logger v0.6.2 [INFO] [stderr] Downloaded serde v1.0.104 [INFO] [stderr] Downloaded hermit-abi v0.1.3 [INFO] [stderr] Downloaded num_cpus v1.11.1 [INFO] [stderr] Downloaded wasmtime-environ v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6a6ccc0cd6078f5b277812e02a86d0c63b21453bf6b5c832efbc402d99e49cfc [INFO] running `Command { std: "docker" "start" "-a" "6a6ccc0cd6078f5b277812e02a86d0c63b21453bf6b5c832efbc402d99e49cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a6ccc0cd6078f5b277812e02a86d0c63b21453bf6b5c832efbc402d99e49cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a6ccc0cd6078f5b277812e02a86d0c63b21453bf6b5c832efbc402d99e49cfc", kill_on_drop: false }` [INFO] [stdout] 6a6ccc0cd6078f5b277812e02a86d0c63b21453bf6b5c832efbc402d99e49cfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0a4a56ea7929e54f9e939187a527373de16691a3075c25e831acdf55130aaf4c [INFO] running `Command { std: "docker" "start" "-a" "0a4a56ea7929e54f9e939187a527373de16691a3075c25e831acdf55130aaf4c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling target-lexicon v0.9.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.50.0 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling anyhow v1.0.25 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking wasmparser v0.39.3 [INFO] [stderr] Compiling wasmtime-environ v0.8.0 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking more-asserts v0.2.1 [INFO] [stderr] Compiling jobserver v0.1.17 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Checking directories v2.0.2 [INFO] [stderr] Checking errno v0.2.4 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking region v2.1.2 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking parity-wasm v0.41.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking gimli v0.19.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking rayon v1.2.1 [INFO] [stderr] Compiling zstd-sys v1.4.15+zstd.1.4.4 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling wasmtime-runtime v0.8.0 [INFO] [stderr] Compiling raw-cpuid v7.0.3 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking file-per-thread-logger v0.1.2 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling thiserror-impl v1.0.9 [INFO] [stderr] Compiling scroll_derive v0.10.1 [INFO] [stderr] Checking scroll v0.10.1 [INFO] [stderr] Checking thiserror v1.0.9 [INFO] [stderr] Checking goblin v0.1.2 [INFO] [stderr] Checking wa1-types v0.1.0 (/opt/rustwide/workdir/wa1-types) [INFO] [stderr] Checking cranelift-entity v0.50.0 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking toml v0.5.5 [INFO] [stderr] Checking string-interner v0.7.1 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking faerie v0.13.0 [INFO] [stderr] Checking cranelift-bforest v0.50.0 [INFO] [stderr] Checking wa1-errs v0.0.1 (/opt/rustwide/workdir/wa1-errs) [INFO] [stderr] Checking wa1-lexer v0.0.1 (/opt/rustwide/workdir/wa1-lexer) [INFO] [stderr] Checking wa1-ast v0.4.0 (/opt/rustwide/workdir/wa1-ast) [INFO] [stdout] warning: the item `Punct` is imported redundantly [INFO] [stdout] --> wa1-lexer/src/look_behind.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 70 | use super::*; [INFO] [stdout] | -------- the item `Punct` is already imported here [INFO] [stdout] 71 | use crate::tokens::Punct; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cranelift-codegen-meta v0.50.0 [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> wa1-lexer/src/lib.rs:341:21 [INFO] [stdout] | [INFO] [stdout] 341 | / ::std::mem::replace( [INFO] [stdout] 342 | | &mut self.before_last_open, [INFO] [stdout] 343 | | ::std::mem::replace(&mut self.last_three, LookBehind::new()), [INFO] [stdout] 344 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 341 | let _ = ::std::mem::replace( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> wa1-lexer/src/lib.rs:341:21 [INFO] [stdout] | [INFO] [stdout] 341 | / ::std::mem::replace( [INFO] [stdout] 342 | | &mut self.before_last_open, [INFO] [stdout] 343 | | ::std::mem::replace(&mut self.last_three, LookBehind::new()), [INFO] [stdout] 344 | | ); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 341 | let _ = ::std::mem::replace( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking wa1-parser v0.0.1 (/opt/rustwide/workdir/wa1-parser) [INFO] [stdout] warning: unused import: `wa1_errs::Error` [INFO] [stdout] --> wa1-parser/src/parser/parser_option.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use wa1_errs::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Exports` is imported redundantly [INFO] [stdout] --> wa1-parser/src/parser/parser_phase_1.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use wa1_ast::Exports; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | use wa1_ast::prelude::*; [INFO] [stdout] | ------------------- the item `Exports` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `wa1_errs::Error` [INFO] [stdout] --> wa1-parser/src/parser/parser_phase_1.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use wa1_errs::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `wa1_errs::Error` [INFO] [stdout] --> wa1-parser/src/parser/parser_typeguard.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use wa1_errs::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `wa1_errs::Error` [INFO] [stdout] --> wa1-parser/src/parser/parser_option.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use wa1_errs::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Exports` is imported redundantly [INFO] [stdout] --> wa1-parser/src/parser/parser_phase_1.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use wa1_ast::Exports; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 9 | use wa1_ast::prelude::*; [INFO] [stdout] | ------------------- the item `Exports` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `wa1_errs::Error` [INFO] [stdout] --> wa1-parser/src/parser/parser_phase_1.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use wa1_errs::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `wa1_errs::Error` [INFO] [stdout] --> wa1-parser/src/parser/parser_typeguard.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub use wa1_errs::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> wa1-parser/src/parser/mod.rs:43:30 [INFO] [stdout] | [INFO] [stdout] 43 | ImportFilter::All => (exports), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 43 - ImportFilter::All => (exports), [INFO] [stdout] 43 + ImportFilter::All => exports, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> wa1-parser/src/parser/mod.rs:43:30 [INFO] [stdout] | [INFO] [stdout] 43 | ImportFilter::All => (exports), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 43 - ImportFilter::All => (exports), [INFO] [stdout] 43 + ImportFilter::All => exports, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `wa1_errs::Error` [INFO] [stdout] --> wa1-parser/src/tree_transform/mod.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use wa1_errs::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Imports` is imported redundantly [INFO] [stdout] --> wa1-parser/src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | use wa1_ast::prelude::*; [INFO] [stdout] | ------------------- the item `Imports` is already imported here [INFO] [stdout] ... [INFO] [stdout] 18 | use wa1_ast::Imports; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `wa1_errs::Error` [INFO] [stdout] --> wa1-parser/src/tree_transform/mod.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use wa1_errs::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Imports` is imported redundantly [INFO] [stdout] --> wa1-parser/src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | use wa1_ast::prelude::*; [INFO] [stdout] | ------------------- the item `Imports` is already imported here [INFO] [stdout] ... [INFO] [stdout] 18 | use wa1_ast::Imports; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> wa1-parser/src/parser/mod.rs:38:11 [INFO] [stdout] | [INFO] [stdout] 38 | Named(Vec) [INFO] [stdout] | ----- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 38 | Named(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> wa1-parser/src/parser/mod.rs:38:11 [INFO] [stdout] | [INFO] [stdout] 38 | Named(Vec) [INFO] [stdout] | ----- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] 38 | Named(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> wa1-parser/src/parser/mod.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | replace(&mut self.look_ahead, look_ahead); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = replace(&mut self.look_ahead, look_ahead); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> wa1-parser/src/parser/mod.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | replace(&mut self.look_ahead, look_ahead); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = replace(&mut self.look_ahead, look_ahead); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking wa1-generator v0.0.1 (/opt/rustwide/workdir/wa1-generator) [INFO] [stdout] warning: variants `SymTabEvent` and `SymTabTable` are never constructed [INFO] [stdout] --> wa1-generator/src/wasm/wasm_object_file.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum WasmSymInfoKind{ [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 18 | SymTabEvent = 4, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 19 | ///SYMTAB_TABLE [INFO] [stdout] 20 | SymTabTable = 5, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WasmSymInfoKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `SymTabEvent` and `SymTabTable` are never constructed [INFO] [stdout] --> wa1-generator/src/wasm/wasm_object_file.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum WasmSymInfoKind{ [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 18 | SymTabEvent = 4, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 19 | ///SYMTAB_TABLE [INFO] [stdout] 20 | SymTabTable = 5, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WasmSymInfoKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking wa1 v0.1.0 (/opt/rustwide/workdir/wa1) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cranelift-codegen v0.50.0 [INFO] [stderr] Checking zstd-safe v2.0.3+zstd.1.4.4 [INFO] [stderr] Checking zstd v0.5.1+zstd.1.4.4 [INFO] [stderr] Checking cranelift-frontend v0.50.0 [INFO] [stderr] Checking cranelift-native v0.50.0 [INFO] [stderr] Checking cranelift-wasm v0.50.0 [INFO] [stderr] Checking wasmtime-debug v0.8.0 [INFO] [stderr] Checking wasmtime-jit v0.8.0 [INFO] [stderr] Checking wasmtime v0.8.0 [INFO] [stderr] Checking test-runner v0.1.0 (/opt/rustwide/workdir/test-runner) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.74s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.50.0, wasmtime-environ v0.8.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "0a4a56ea7929e54f9e939187a527373de16691a3075c25e831acdf55130aaf4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a4a56ea7929e54f9e939187a527373de16691a3075c25e831acdf55130aaf4c", kill_on_drop: false }` [INFO] [stdout] 0a4a56ea7929e54f9e939187a527373de16691a3075c25e831acdf55130aaf4c [INFO] checking theidiotmachine/WA1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheidiotmachine%2FWA1" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/theidiotmachine/WA1 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/theidiotmachine/WA1 [INFO] finished tweaking git repo https://github.com/theidiotmachine/WA1 [INFO] tweaked toml for git repo https://github.com/theidiotmachine/WA1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/theidiotmachine/WA1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cbade93faafb86ddb826a137ac1710404d55c2e667d358aa477f28bb81899d07 [INFO] running `Command { std: "docker" "start" "-a" "cbade93faafb86ddb826a137ac1710404d55c2e667d358aa477f28bb81899d07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbade93faafb86ddb826a137ac1710404d55c2e667d358aa477f28bb81899d07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbade93faafb86ddb826a137ac1710404d55c2e667d358aa477f28bb81899d07", kill_on_drop: false }` [INFO] [stdout] cbade93faafb86ddb826a137ac1710404d55c2e667d358aa477f28bb81899d07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 23579b929add1b41862b26f39f662e7ea1170ce010549bd74f9fb3989f5615e5 [INFO] running `Command { std: "docker" "start" "-a" "23579b929add1b41862b26f39f662e7ea1170ce010549bd74f9fb3989f5615e5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling target-lexicon v0.9.0 [INFO] [stderr] Compiling cranelift-codegen-shared v0.50.0 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking wasmparser v0.39.3 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling wasmtime-environ v0.8.0 [INFO] [stderr] Compiling anyhow v1.0.25 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking more-asserts v0.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling jobserver v0.1.17 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Checking errno v0.2.4 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking directories v2.0.2 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking region v2.1.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking parity-wasm v0.41.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasmparser-0.39.3/src/validator.rs:806:9 [INFO] [stdout] | [INFO] [stdout] 806 | Err(BinaryReaderError { [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 806 | Err::(BinaryReaderError { [INFO] [stdout] | ++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/region-2.1.2/src/lock.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | Err(Error::NullAddress)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 23 | Err::(Error::NullAddress)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/region-2.1.2/src/lock.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | Err(Error::NullAddress)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 51 | Err::(Error::NullAddress)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/region-2.1.2/src/protect.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | Err(Error::NullAddress)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 32 | Err::(Error::NullAddress)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/region-2.1.2/src/lib.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 129 | Err(Error::NullAddress)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 129 | Err::(Error::NullAddress)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/region-2.1.2/src/lib.rs:157:5 [INFO] [stdout] | [INFO] [stdout] 157 | Err(Error::EmptyRange)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 157 | Err::(Error::EmptyRange)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clap v2.33.0 [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `region` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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 `wasmparser` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "23579b929add1b41862b26f39f662e7ea1170ce010549bd74f9fb3989f5615e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23579b929add1b41862b26f39f662e7ea1170ce010549bd74f9fb3989f5615e5", kill_on_drop: false }` [INFO] [stdout] 23579b929add1b41862b26f39f662e7ea1170ce010549bd74f9fb3989f5615e5