[INFO] fetching crate wright 0.8.0... [INFO] checking wright-0.8.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate wright 0.8.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate wright 0.8.0 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 wright 0.8.0 [INFO] finished tweaking crates.io crate wright 0.8.0 [INFO] tweaked toml for crates.io crate wright 0.8.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate wright 0.8.0 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] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.7 [INFO] [stderr] Downloaded unicode-segmentation v1.5.0 [INFO] [stderr] Downloaded codespan-reporting v0.5.0 [INFO] [stderr] Downloaded codespan v0.5.0 [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] 608fa9238852fc20917f31126c281490208ecf55ff269e01cd1a9cca6eea7dc7 [INFO] running `Command { std: "docker" "start" "-a" "608fa9238852fc20917f31126c281490208ecf55ff269e01cd1a9cca6eea7dc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "608fa9238852fc20917f31126c281490208ecf55ff269e01cd1a9cca6eea7dc7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "608fa9238852fc20917f31126c281490208ecf55ff269e01cd1a9cca6eea7dc7", kill_on_drop: false }` [INFO] [stdout] 608fa9238852fc20917f31126c281490208ecf55ff269e01cd1a9cca6eea7dc7 [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] 1cee5163e027468a3c9ebcd15e5e20dce13971400e23e9730aa34f63b80c393d [INFO] running `Command { std: "docker" "start" "-a" "1cee5163e027468a3c9ebcd15e5e20dce13971400e23e9730aa34f63b80c393d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling ucd-trie v0.1.2 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking unicode-segmentation v1.5.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling pest v2.1.2 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking codespan v0.5.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking codespan-reporting v0.5.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling pest_meta v2.1.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking wright v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ByteIndex`, `RawIndex` [INFO] [stdout] --> src/grammar.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use codespan::{ByteIndex, RawIndex}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pest::Parser` [INFO] [stdout] --> src/grammar/parser.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use pest::Parser; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ByteIndex`, `RawIndex` [INFO] [stdout] --> src/grammar.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use codespan::{ByteIndex, RawIndex}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pest::Parser` [INFO] [stdout] --> src/grammar/parser.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use pest::Parser; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filenames` [INFO] [stdout] --> src/lib.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec, verbose: bool) -> i32 { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filenames` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `run` [INFO] [stdout] --> src/lib.rs:24:41 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec, verbose: bool) -> i32 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_run` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `emits` [INFO] [stdout] --> src/lib.rs:24:52 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec, verbose: bool) -> i32 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_emits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `verbose` [INFO] [stdout] --> src/lib.rs:24:70 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec, verbose: bool) -> i32 { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a module [INFO] [stdout] --> src/lib.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | pub mod grammar; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | #![warn(missing_docs)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct [INFO] [stdout] --> src/grammar.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Properties; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `filenames` [INFO] [stdout] --> src/lib.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec, verbose: bool) -> i32 { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filenames` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `run` [INFO] [stdout] --> src/lib.rs:24:41 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec, verbose: bool) -> i32 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_run` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `emits` [INFO] [stdout] --> src/lib.rs:24:52 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec, verbose: bool) -> i32 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_emits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `verbose` [INFO] [stdout] --> src/lib.rs:24:70 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn call_files(filenames: Vec<&str>, run: bool, emits: Vec, verbose: bool) -> i32 { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.23s [INFO] running `Command { std: "docker" "inspect" "1cee5163e027468a3c9ebcd15e5e20dce13971400e23e9730aa34f63b80c393d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cee5163e027468a3c9ebcd15e5e20dce13971400e23e9730aa34f63b80c393d", kill_on_drop: false }` [INFO] [stdout] 1cee5163e027468a3c9ebcd15e5e20dce13971400e23e9730aa34f63b80c393d [INFO] checking wright-0.8.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate wright 0.8.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate wright 0.8.0 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 wright 0.8.0 [INFO] finished tweaking crates.io crate wright 0.8.0 [INFO] tweaked toml for crates.io crate wright 0.8.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate wright 0.8.0 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] 63ae427b8995d534df50fba45f73297338e9a6c3d444a71e683d9e19fc74a443 [INFO] running `Command { std: "docker" "start" "-a" "63ae427b8995d534df50fba45f73297338e9a6c3d444a71e683d9e19fc74a443", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63ae427b8995d534df50fba45f73297338e9a6c3d444a71e683d9e19fc74a443", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63ae427b8995d534df50fba45f73297338e9a6c3d444a71e683d9e19fc74a443", kill_on_drop: false }` [INFO] [stdout] 63ae427b8995d534df50fba45f73297338e9a6c3d444a71e683d9e19fc74a443 [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] 02fccd0b94cdf50e4d4c6c542b45aec6ce96d5e4c8d76f40d88697b52a0581c0 [INFO] running `Command { std: "docker" "start" "-a" "02fccd0b94cdf50e4d4c6c542b45aec6ce96d5e4c8d76f40d88697b52a0581c0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling ucd-trie v0.1.2 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking unicode-segmentation v1.5.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling pest v2.1.2 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking codespan v0.5.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking codespan-reporting v0.5.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling pest_meta v2.1.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.1/src/exec.rs:838:13 [INFO] [stdout] | [INFO] [stdout] 838 | / match dfa::Fsm::reverse( [INFO] [stdout] 839 | | &self.ro.dfa_reverse, [INFO] [stdout] 840 | | self.cache.value(), [INFO] [stdout] 841 | | false, [INFO] [stdout] ... | [INFO] [stdout] 852 | | Quit => return Some(Quit), [INFO] [stdout] 853 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling pest_generator v2.1.1 [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" "02fccd0b94cdf50e4d4c6c542b45aec6ce96d5e4c8d76f40d88697b52a0581c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02fccd0b94cdf50e4d4c6c542b45aec6ce96d5e4c8d76f40d88697b52a0581c0", kill_on_drop: false }` [INFO] [stdout] 02fccd0b94cdf50e4d4c6c542b45aec6ce96d5e4c8d76f40d88697b52a0581c0