[INFO] cloning repository https://github.com/aksiksi/kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aksiksi/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faksiksi%2Fkvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faksiksi%2Fkvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] faf085066e4e4b0de30460b604d1764bed27940a [INFO] checking aksiksi/kvs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faksiksi%2Fkvs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aksiksi/kvs 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 git repo https://github.com/aksiksi/kvs [INFO] finished tweaking git repo https://github.com/aksiksi/kvs [INFO] tweaked toml for git repo https://github.com/aksiksi/kvs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/aksiksi/kvs 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 rmp v0.8.9 [INFO] [stderr] Downloaded rmp-serde v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 793f002f1cc9d37df4248fb7bdba7703544ccf18d71167b85520af908fd87065 [INFO] running `Command { std: "docker" "start" "-a" "793f002f1cc9d37df4248fb7bdba7703544ccf18d71167b85520af908fd87065", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "793f002f1cc9d37df4248fb7bdba7703544ccf18d71167b85520af908fd87065", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "793f002f1cc9d37df4248fb7bdba7703544ccf18d71167b85520af908fd87065", kill_on_drop: false }` [INFO] [stdout] 793f002f1cc9d37df4248fb7bdba7703544ccf18d71167b85520af908fd87065 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e0035574a809d53ddfc1c760eaffd9e2db5433465a70f3dc54dbeb14e6c62d25 [INFO] running `Command { std: "docker" "start" "-a" "e0035574a809d53ddfc1c760eaffd9e2db5433465a70f3dc54dbeb14e6c62d25", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking parking_lot_core v0.8.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking sled v0.34.6 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking predicates v1.0.5 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rmp-serde v0.15.0 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.60s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "e0035574a809d53ddfc1c760eaffd9e2db5433465a70f3dc54dbeb14e6c62d25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0035574a809d53ddfc1c760eaffd9e2db5433465a70f3dc54dbeb14e6c62d25", kill_on_drop: false }` [INFO] [stdout] e0035574a809d53ddfc1c760eaffd9e2db5433465a70f3dc54dbeb14e6c62d25 [INFO] checking aksiksi/kvs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faksiksi%2Fkvs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aksiksi/kvs 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 git repo https://github.com/aksiksi/kvs [INFO] finished tweaking git repo https://github.com/aksiksi/kvs [INFO] tweaked toml for git repo https://github.com/aksiksi/kvs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/aksiksi/kvs 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 31ab5c6aba950fbaa9a094754733d501750fce9042808d4b09d4ebc4ec86105c [INFO] running `Command { std: "docker" "start" "-a" "31ab5c6aba950fbaa9a094754733d501750fce9042808d4b09d4ebc4ec86105c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31ab5c6aba950fbaa9a094754733d501750fce9042808d4b09d4ebc4ec86105c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31ab5c6aba950fbaa9a094754733d501750fce9042808d4b09d4ebc4ec86105c", kill_on_drop: false }` [INFO] [stdout] 31ab5c6aba950fbaa9a094754733d501750fce9042808d4b09d4ebc4ec86105c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1e079ade9f8b4693be9413f362c403f1226d20bc7102ceec5820b6caf8b4b68f [INFO] running `Command { std: "docker" "start" "-a" "1e079ade9f8b4693be9413f362c403f1226d20bc7102ceec5820b6caf8b4b68f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking parking_lot_core v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rmp v0.8.9 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking sled v0.34.6 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.2/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking csv-core v0.1.10 [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] Checking same-file v1.0.6 [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" "1e079ade9f8b4693be9413f362c403f1226d20bc7102ceec5820b6caf8b4b68f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e079ade9f8b4693be9413f362c403f1226d20bc7102ceec5820b6caf8b4b68f", kill_on_drop: false }` [INFO] [stdout] 1e079ade9f8b4693be9413f362c403f1226d20bc7102ceec5820b6caf8b4b68f