[INFO] fetching crate mini-builder-rs 0.1.3... [INFO] checking mini-builder-rs-0.1.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate mini-builder-rs 0.1.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate mini-builder-rs 0.1.3 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 mini-builder-rs 0.1.3 [INFO] finished tweaking crates.io crate mini-builder-rs 0.1.3 [INFO] tweaked toml for crates.io crate mini-builder-rs 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate mini-builder-rs 0.1.3 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 simple_logger v2.2.0 [INFO] [stderr] Downloaded hmap v0.1.0 [INFO] [stderr] Downloaded redox_syscall v0.2.15 [INFO] [stderr] Downloaded time v0.3.12 [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] 801431918aeb21129bce0ca7f25737745544807014c5cae93ad70c8a5d99f2d4 [INFO] running `Command { std: "docker" "start" "-a" "801431918aeb21129bce0ca7f25737745544807014c5cae93ad70c8a5d99f2d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "801431918aeb21129bce0ca7f25737745544807014c5cae93ad70c8a5d99f2d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "801431918aeb21129bce0ca7f25737745544807014c5cae93ad70c8a5d99f2d4", kill_on_drop: false }` [INFO] [stdout] 801431918aeb21129bce0ca7f25737745544807014c5cae93ad70c8a5d99f2d4 [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] a5c800ff39a77b57843b038ef0d816155ad2928c4f6aa138d9e8000eee2199b4 [INFO] running `Command { std: "docker" "start" "-a" "a5c800ff39a77b57843b038ef0d816155ad2928c4f6aa138d9e8000eee2199b4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking hmap v0.1.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking filetime v0.2.17 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking time v0.3.12 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking simple_logger v2.2.0 [INFO] [stderr] Checking mini-builder-rs v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `node::NodeContent` [INFO] [stdout] --> src/evaluator/evaluator_builder_error.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | parser::{node::NodeContent, parser_error::ParserError}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `node::NodeContent` [INFO] [stdout] --> src/evaluator/evaluator_builder_error.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | parser::{node::NodeContent, parser_error::ParserError}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&dyn std::error::Error` instead of cloning the inner type [INFO] [stdout] --> src/builder/builder_error.rs:22:34 [INFO] [stdout] | [INFO] [stdout] 22 | Self::IoError(err) => Some(err.clone()), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/evaluator/mod.rs:354:44 [INFO] [stdout] | [INFO] [stdout] 354 | list_dependencies_expression(expression.borrow(), dependencies); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Expression<'_>` does not implement `Borrow`, so calling `borrow` on `&Expression<'_>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 354 - list_dependencies_expression(expression.borrow(), dependencies); [INFO] [stdout] 354 + list_dependencies_expression(expression, dependencies); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Expression<'_>`, implement `Clone` for it [INFO] [stdout] --> src/parser/expression.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 + #[derive(Clone)] [INFO] [stdout] 12 | pub enum Expression<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&dyn std::error::Error` instead of cloning the inner type [INFO] [stdout] --> src/builder/builder_error.rs:22:34 [INFO] [stdout] | [INFO] [stdout] 22 | Self::IoError(err) => Some(err.clone()), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing [INFO] [stdout] --> src/evaluator/mod.rs:354:44 [INFO] [stdout] | [INFO] [stdout] 354 | list_dependencies_expression(expression.borrow(), dependencies); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Expression<'_>` does not implement `Borrow`, so calling `borrow` on `&Expression<'_>` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 354 - list_dependencies_expression(expression.borrow(), dependencies); [INFO] [stdout] 354 + list_dependencies_expression(expression, dependencies); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Expression<'_>`, implement `Clone` for it [INFO] [stdout] --> src/parser/expression.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 + #[derive(Clone)] [INFO] [stdout] 12 | pub enum Expression<'a> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.27s [INFO] running `Command { std: "docker" "inspect" "a5c800ff39a77b57843b038ef0d816155ad2928c4f6aa138d9e8000eee2199b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5c800ff39a77b57843b038ef0d816155ad2928c4f6aa138d9e8000eee2199b4", kill_on_drop: false }` [INFO] [stdout] a5c800ff39a77b57843b038ef0d816155ad2928c4f6aa138d9e8000eee2199b4 [INFO] checking mini-builder-rs-0.1.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate mini-builder-rs 0.1.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate mini-builder-rs 0.1.3 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 mini-builder-rs 0.1.3 [INFO] finished tweaking crates.io crate mini-builder-rs 0.1.3 [INFO] tweaked toml for crates.io crate mini-builder-rs 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate mini-builder-rs 0.1.3 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] 2b748eca5ec5ae84460dd9625019ca9799d761dbdd6f0eba7080c18d21c7ac8e [INFO] running `Command { std: "docker" "start" "-a" "2b748eca5ec5ae84460dd9625019ca9799d761dbdd6f0eba7080c18d21c7ac8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b748eca5ec5ae84460dd9625019ca9799d761dbdd6f0eba7080c18d21c7ac8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b748eca5ec5ae84460dd9625019ca9799d761dbdd6f0eba7080c18d21c7ac8e", kill_on_drop: false }` [INFO] [stdout] 2b748eca5ec5ae84460dd9625019ca9799d761dbdd6f0eba7080c18d21c7ac8e [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] 4291ce9ce4486ae5224a8485fee1108e81bb14a90ccb226a71abcd2c05c301bb [INFO] running `Command { std: "docker" "start" "-a" "4291ce9ce4486ae5224a8485fee1108e81bb14a90ccb226a71abcd2c05c301bb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking memchr v2.5.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Compiling time-macros v0.2.4 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking hmap v0.1.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.17 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Checking time v0.3.12 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking simple_logger v2.2.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.6.0/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] [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] running `Command { std: "docker" "inspect" "4291ce9ce4486ae5224a8485fee1108e81bb14a90ccb226a71abcd2c05c301bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4291ce9ce4486ae5224a8485fee1108e81bb14a90ccb226a71abcd2c05c301bb", kill_on_drop: false }` [INFO] [stdout] 4291ce9ce4486ae5224a8485fee1108e81bb14a90ccb226a71abcd2c05c301bb