[INFO] fetching crate uap-rust 0.0.4... [INFO] checking uap-rust-0.0.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate uap-rust 0.0.4 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate uap-rust 0.0.4 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 uap-rust 0.0.4 [INFO] finished tweaking crates.io crate uap-rust 0.0.4 [INFO] tweaked toml for crates.io crate uap-rust 0.0.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages [INFO] [stderr] Adding aho-corasick v0.5.3 (latest: v1.1.3) [INFO] [stderr] Adding memchr v0.1.11 (latest: v2.7.2) [INFO] [stderr] Adding regex v0.1.80 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.3.9 (latest: v0.8.3) [INFO] [stderr] Adding thread-id v2.0.0 (latest: v4.2.1) [INFO] [stderr] Adding thread_local v0.2.7 (latest: v1.1.8) [INFO] [stderr] Adding utf8-ranges v0.1.3 (latest: v1.0.5) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding yaml-rust v0.3.5 (latest: v0.4.5) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7b6d2a91e2e7ebd7eb5a691eab7d416b8c78ed441718d99d164dac2a00f589b4 [INFO] running `Command { std: "docker" "start" "-a" "7b6d2a91e2e7ebd7eb5a691eab7d416b8c78ed441718d99d164dac2a00f589b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b6d2a91e2e7ebd7eb5a691eab7d416b8c78ed441718d99d164dac2a00f589b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b6d2a91e2e7ebd7eb5a691eab7d416b8c78ed441718d99d164dac2a00f589b4", kill_on_drop: false }` [INFO] [stdout] 7b6d2a91e2e7ebd7eb5a691eab7d416b8c78ed441718d99d164dac2a00f589b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1e7e2e4ea7b1d9735a3bfb24d0e23b114298667e3bc4dd2809f5a2a75d2142d7 [INFO] running `Command { std: "docker" "start" "-a" "1e7e2e4ea7b1d9735a3bfb24d0e23b114298667e3bc4dd2809f5a2a75d2142d7", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking uap-rust v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:27:24 [INFO] [stdout] | [INFO] [stdout] 27 | let mut file = try!(File::open(regexes_file)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | let docs = try!(YamlLoader::load_from_str(&s)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:27:24 [INFO] [stdout] | [INFO] [stdout] 27 | let mut file = try!(File::open(regexes_file)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parser.rs:39:20 [INFO] [stdout] | [INFO] [stdout] 39 | let docs = try!(YamlLoader::load_from_str(&s)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/device.rs:45:29 [INFO] [stdout] | [INFO] [stdout] 45 | captures.iter().zip((0..captures.len())) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 45 - captures.iter().zip((0..captures.len())) [INFO] [stdout] 45 + captures.iter().zip(0..captures.len()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `yaml_rust` is imported redundantly [INFO] [stdout] --> src/result.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use yaml_rust; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate yaml_rust; [INFO] [stdout] | ----------------------- the item `yaml_rust` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/device.rs:45:29 [INFO] [stdout] | [INFO] [stdout] 45 | captures.iter().zip((0..captures.len())) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 45 - captures.iter().zip((0..captures.len())) [INFO] [stdout] 45 + captures.iter().zip(0..captures.len()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `yaml_rust` is imported redundantly [INFO] [stdout] --> src/result.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use yaml_rust; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | extern crate yaml_rust; [INFO] [stdout] | ----------------------- the item `yaml_rust` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "1e7e2e4ea7b1d9735a3bfb24d0e23b114298667e3bc4dd2809f5a2a75d2142d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e7e2e4ea7b1d9735a3bfb24d0e23b114298667e3bc4dd2809f5a2a75d2142d7", kill_on_drop: false }` [INFO] [stdout] 1e7e2e4ea7b1d9735a3bfb24d0e23b114298667e3bc4dd2809f5a2a75d2142d7 [INFO] checking uap-rust-0.0.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate uap-rust 0.0.4 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate uap-rust 0.0.4 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 uap-rust 0.0.4 [INFO] finished tweaking crates.io crate uap-rust 0.0.4 [INFO] tweaked toml for crates.io crate uap-rust 0.0.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ba2309caf7f1cc8b6a2d6ed755c9afb744a3ee942137d444a0e3b2a3290a127d [INFO] running `Command { std: "docker" "start" "-a" "ba2309caf7f1cc8b6a2d6ed755c9afb744a3ee942137d444a0e3b2a3290a127d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba2309caf7f1cc8b6a2d6ed755c9afb744a3ee942137d444a0e3b2a3290a127d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba2309caf7f1cc8b6a2d6ed755c9afb744a3ee942137d444a0e3b2a3290a127d", kill_on_drop: false }` [INFO] [stdout] ba2309caf7f1cc8b6a2d6ed755c9afb744a3ee942137d444a0e3b2a3290a127d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a2be0ae26d3861334f56657c5e767e3e22c5cd903e396b2a0dd96046c668e1b7 [INFO] running `Command { std: "docker" "start" "-a" "a2be0ae26d3861334f56657c5e767e3e22c5cd903e396b2a0dd96046c668e1b7", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.80/src/exec.rs:726:13 [INFO] [stdout] | [INFO] [stdout] 726 | / match dfa::Fsm::reverse( [INFO] [stdout] 727 | | &self.ro.dfa_reverse, [INFO] [stdout] 728 | | &self.cache, [INFO] [stdout] 729 | | false, [INFO] [stdout] ... | [INFO] [stdout] 736 | | Quit => return Some(Quit), [INFO] [stdout] 737 | | }; [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" "a2be0ae26d3861334f56657c5e767e3e22c5cd903e396b2a0dd96046c668e1b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2be0ae26d3861334f56657c5e767e3e22c5cd903e396b2a0dd96046c668e1b7", kill_on_drop: false }` [INFO] [stdout] a2be0ae26d3861334f56657c5e767e3e22c5cd903e396b2a0dd96046c668e1b7