[INFO] cloning repository https://github.com/durka/karaconv [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/durka/karaconv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fkaraconv", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fkaraconv'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6ecf007615afae1effa1dc506bf9797d4005687d [INFO] checking durka/karaconv against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fkaraconv" "/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/durka/karaconv 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] removed /workspace/builds/worker-0-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/durka/karaconv [INFO] finished tweaking git repo https://github.com/durka/karaconv [INFO] tweaked toml for git repo https://github.com/durka/karaconv written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/durka/karaconv 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tempdir v0.3.6 [INFO] [stderr] Downloaded structopt-derive v0.2.5 [INFO] [stderr] Downloaded bitflags v1.0.1 [INFO] [stderr] Downloaded quote v0.4.2 [INFO] [stderr] Downloaded remove_dir_all v0.3.0 [INFO] [stderr] Downloaded result v1.0.0 [INFO] [stderr] Downloaded atty v0.2.8 [INFO] [stderr] Downloaded structopt v0.2.5 [INFO] [stderr] Downloaded failure_derive v0.1.1 [INFO] [stderr] Downloaded serde-xml-rs v0.2.1 [INFO] [stderr] Downloaded num-iter v0.1.35 [INFO] [stderr] Downloaded num-integer v0.1.36 [INFO] [stderr] Downloaded num-traits v0.2.1 [INFO] [stderr] Downloaded cc v1.0.6 [INFO] [stderr] Downloaded time v0.1.39 [INFO] [stderr] Downloaded itertools v0.7.7 [INFO] [stderr] Downloaded regex-syntax v0.5.2 [INFO] [stderr] Downloaded regex v0.2.9 [INFO] [stderr] Downloaded xml-rs v0.3.6 [INFO] [stderr] Downloaded serde v1.0.30 [INFO] [stderr] Downloaded clap v2.31.1 [INFO] [stderr] Downloaded syn v0.12.14 [INFO] [stderr] Downloaded libc v0.2.39 [INFO] [stderr] Downloaded backtrace v0.3.5 [INFO] [stderr] Downloaded failure v0.1.1 [INFO] [stderr] Downloaded synstructure v0.6.1 [INFO] [stderr] Downloaded aho-corasick v0.6.4 [INFO] [stderr] Downloaded serde_derive v1.0.30 [INFO] [stderr] Downloaded serde_json v1.0.11 [INFO] [stderr] Downloaded redox_syscall v0.1.37 [INFO] [stderr] Downloaded rustc-demangle v0.1.7 [INFO] [stderr] Downloaded either v1.4.0 [INFO] [stderr] Downloaded memchr v2.0.1 [INFO] [stderr] Downloaded thread_local v0.3.5 [INFO] [stderr] Downloaded dtoa v0.4.2 [INFO] [stderr] Downloaded itoa v0.3.4 [INFO] [stderr] Downloaded serde_derive_internals v0.20.0 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded proc-macro2 v0.2.3 [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] d809a2e48435f2942077d5d8c069e6762bf8823300a4dc55c874afa1b0e2317d [INFO] running `Command { std: "docker" "start" "-a" "d809a2e48435f2942077d5d8c069e6762bf8823300a4dc55c874afa1b0e2317d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d809a2e48435f2942077d5d8c069e6762bf8823300a4dc55c874afa1b0e2317d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d809a2e48435f2942077d5d8c069e6762bf8823300a4dc55c874afa1b0e2317d", kill_on_drop: false }` [INFO] [stdout] d809a2e48435f2942077d5d8c069e6762bf8823300a4dc55c874afa1b0e2317d [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] bfe10017f1b17350f5c47bd6a47b8f7d7aee005cf40a66dc0ac3767d4f684d13 [INFO] running `Command { std: "docker" "start" "-a" "bfe10017f1b17350f5c47bd6a47b8f7d7aee005cf40a66dc0ac3767d4f684d13", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling cc v1.0.6 [INFO] [stderr] Checking num-traits v0.2.1 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.7 [INFO] [stderr] Compiling regex v0.2.9 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling karaconv v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex-syntax v0.5.2 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking xml-rs v0.3.6 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking result v1.0.0 [INFO] [stderr] Checking remove_dir_all v0.3.0 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Checking itertools v0.7.7 [INFO] [stderr] Checking atty v0.2.8 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Compiling syn v0.12.14 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking clap v2.31.1 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Checking tempdir v0.3.6 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Compiling serde_derive_internals v0.20.0 [INFO] [stderr] Compiling structopt-derive v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.30 [INFO] [stderr] Checking structopt v0.2.5 [INFO] [stderr] Checking serde v1.0.30 [INFO] [stderr] Checking serde-xml-rs v0.2.1 [INFO] [stderr] Checking serde_json v1.0.11 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.13s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.14 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 7` [INFO] running `Command { std: "docker" "inspect" "bfe10017f1b17350f5c47bd6a47b8f7d7aee005cf40a66dc0ac3767d4f684d13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfe10017f1b17350f5c47bd6a47b8f7d7aee005cf40a66dc0ac3767d4f684d13", kill_on_drop: false }` [INFO] [stdout] bfe10017f1b17350f5c47bd6a47b8f7d7aee005cf40a66dc0ac3767d4f684d13 [INFO] checking durka/karaconv against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fkaraconv" "/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/durka/karaconv 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] removed /workspace/builds/worker-0-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/durka/karaconv [INFO] finished tweaking git repo https://github.com/durka/karaconv [INFO] tweaked toml for git repo https://github.com/durka/karaconv written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/durka/karaconv 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] 7773018a931b0b07c4c76a3bd3231bed24382a09e040645e7028564ff758f914 [INFO] running `Command { std: "docker" "start" "-a" "7773018a931b0b07c4c76a3bd3231bed24382a09e040645e7028564ff758f914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7773018a931b0b07c4c76a3bd3231bed24382a09e040645e7028564ff758f914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7773018a931b0b07c4c76a3bd3231bed24382a09e040645e7028564ff758f914", kill_on_drop: false }` [INFO] [stdout] 7773018a931b0b07c4c76a3bd3231bed24382a09e040645e7028564ff758f914 [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] 61491df90b56ecf48b5ac5145e8d56f364287d7db479a161fe307e461ccaa2f2 [INFO] running `Command { std: "docker" "start" "-a" "61491df90b56ecf48b5ac5145e8d56f364287d7db479a161fe307e461ccaa2f2", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking num-traits v0.2.1 [INFO] [stderr] Compiling cc v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking rustc-demangle v0.1.7 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v0.2.9 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking xml-rs v0.3.6 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling karaconv v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex-syntax v0.5.2 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking result v1.0.0 [INFO] [stderr] Checking remove_dir_all v0.3.0 [INFO] [stderr] Checking itertools v0.7.7 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.14 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.8 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking clap v2.31.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Checking tempdir v0.3.6 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Compiling serde_derive_internals v0.20.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.9/src/exec.rs:751:13 [INFO] [stdout] | [INFO] [stdout] 751 | / match dfa::Fsm::reverse( [INFO] [stdout] 752 | | &self.ro.dfa_reverse, [INFO] [stdout] 753 | | self.cache, [INFO] [stdout] 754 | | false, [INFO] [stdout] ... | [INFO] [stdout] 761 | | Quit => return Some(Quit), [INFO] [stdout] 762 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling structopt-derive v0.2.5 [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" "61491df90b56ecf48b5ac5145e8d56f364287d7db479a161fe307e461ccaa2f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61491df90b56ecf48b5ac5145e8d56f364287d7db479a161fe307e461ccaa2f2", kill_on_drop: false }` [INFO] [stdout] 61491df90b56ecf48b5ac5145e8d56f364287d7db479a161fe307e461ccaa2f2