[INFO] fetching crate watchdo 0.1.2... [INFO] checking watchdo-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate watchdo 0.1.2 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate watchdo 0.1.2 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 watchdo 0.1.2 [INFO] finished tweaking crates.io crate watchdo 0.1.2 [INFO] tweaked toml for crates.io crate watchdo 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate watchdo 0.1.2 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 structopt-derive v0.3.2 [INFO] [stderr] Downloaded predicates v1.0.1 [INFO] [stderr] Downloaded inotify v0.7.0 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded structopt v0.3.2 [INFO] [stderr] Downloaded crossbeam-channel v0.3.8 [INFO] [stderr] Downloaded ignore v0.4.10 [INFO] [stderr] Downloaded fragile v0.3.0 [INFO] [stderr] Downloaded bstr v0.2.8 [INFO] [stderr] Downloaded float-cmp v0.4.0 [INFO] [stderr] Downloaded subprocess v0.2.3 [INFO] [stderr] Downloaded mockall v0.5.1 [INFO] [stderr] Downloaded term_size v0.3.1 [INFO] [stderr] Downloaded mockall_derive v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4a4bee5071818edc897991abd5371a5fd65872ad234617b96a3fa9db4c9bfcda [INFO] running `Command { std: "docker" "start" "-a" "4a4bee5071818edc897991abd5371a5fd65872ad234617b96a3fa9db4c9bfcda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a4bee5071818edc897991abd5371a5fd65872ad234617b96a3fa9db4c9bfcda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a4bee5071818edc897991abd5371a5fd65872ad234617b96a3fa9db4c9bfcda", kill_on_drop: false }` [INFO] [stdout] 4a4bee5071818edc897991abd5371a5fd65872ad234617b96a3fa9db4c9bfcda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d293e68cb0648bda803aacc5c25d855faacb3630816a56e1358e221305913b8f [INFO] running `Command { std: "docker" "start" "-a" "d293e68cb0648bda803aacc5c25d855faacb3630816a56e1358e221305913b8f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling winapi v0.3.8 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking rgb v0.8.14 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking filetime v0.2.7 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking subprocess v0.2.3 [INFO] [stderr] Checking term_size v0.3.1 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking fragile v0.3.0 [INFO] [stderr] Checking downcast v0.10.0 [INFO] [stderr] Checking globset v0.4.4 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking winconsole v0.10.0 [INFO] [stderr] Checking colored v1.8.0 [INFO] [stderr] Checking ignore v0.4.10 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.3.2 [INFO] [stderr] Compiling mockall_derive v0.5.1 [INFO] [stderr] Checking structopt v0.3.2 [INFO] [stderr] Checking watchdo v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking mockall v0.5.1 [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/executor.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg_attr(test, mockall::automock)] [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] = note: this warning originates in the attribute macro `mockall::automock` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/executor.rs:12:18 [INFO] [stdout] | [INFO] [stdout] 12 | #[cfg_attr(test, mockall::automock(type Child=MockChild;))] [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: this warning originates in the attribute macro `mockall::automock` (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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.31s [INFO] running `Command { std: "docker" "inspect" "d293e68cb0648bda803aacc5c25d855faacb3630816a56e1358e221305913b8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d293e68cb0648bda803aacc5c25d855faacb3630816a56e1358e221305913b8f", kill_on_drop: false }` [INFO] [stdout] d293e68cb0648bda803aacc5c25d855faacb3630816a56e1358e221305913b8f [INFO] checking watchdo-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate watchdo 0.1.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate watchdo 0.1.2 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 watchdo 0.1.2 [INFO] finished tweaking crates.io crate watchdo 0.1.2 [INFO] tweaked toml for crates.io crate watchdo 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate watchdo 0.1.2 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 982bc11b6e2b5b91b5823869cbad5450ada14f1b565971bda5daa63c4e8338a0 [INFO] running `Command { std: "docker" "start" "-a" "982bc11b6e2b5b91b5823869cbad5450ada14f1b565971bda5daa63c4e8338a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "982bc11b6e2b5b91b5823869cbad5450ada14f1b565971bda5daa63c4e8338a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "982bc11b6e2b5b91b5823869cbad5450ada14f1b565971bda5daa63c4e8338a0", kill_on_drop: false }` [INFO] [stdout] 982bc11b6e2b5b91b5823869cbad5450ada14f1b565971bda5daa63c4e8338a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ba38dbe36409aed317965ab324be332716f7df00da2dc2c1cc882076f3187987 [INFO] running `Command { std: "docker" "start" "-a" "ba38dbe36409aed317965ab324be332716f7df00da2dc2c1cc882076f3187987", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling winapi v0.3.8 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking rgb v0.8.14 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking filetime v0.2.7 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking subprocess v0.2.3 [INFO] [stderr] Checking term_size v0.3.1 [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] Checking fragile v0.3.0 [INFO] [stderr] Checking downcast v0.10.0 [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" "ba38dbe36409aed317965ab324be332716f7df00da2dc2c1cc882076f3187987", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba38dbe36409aed317965ab324be332716f7df00da2dc2c1cc882076f3187987", kill_on_drop: false }` [INFO] [stdout] ba38dbe36409aed317965ab324be332716f7df00da2dc2c1cc882076f3187987