[INFO] fetching crate kes 0.16.0... [INFO] checking kes-0.16.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate kes 0.16.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate kes 0.16.0 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 kes 0.16.0 [INFO] finished tweaking crates.io crate kes 0.16.0 [INFO] tweaked toml for crates.io crate kes 0.16.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate kes 0.16.0 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 thiserror-impl v1.0.22 [INFO] [stderr] Downloaded lalrpop-util v0.19.1 [INFO] [stderr] Downloaded ahash v0.4.6 [INFO] [stderr] Downloaded ctor v0.1.16 [INFO] [stderr] Downloaded thiserror v1.0.22 [INFO] [stderr] Downloaded output_vt100 v0.1.2 [INFO] [stderr] Downloaded string-interner v0.12.1 [INFO] [stderr] Downloaded ahash v0.6.1 [INFO] [stderr] Downloaded async-trait v0.1.42 [INFO] [stderr] Downloaded syn v1.0.52 [INFO] [stderr] Downloaded lalrpop v0.19.1 [INFO] [stderr] Downloaded ena v0.14.0 [INFO] [stderr] Downloaded indexmap v1.6.0 [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] 3d67040ea2e6e30c55b5f3d0baf9a35f6f1c1740a5f09ef3c5214dfb5c9b78b2 [INFO] running `Command { std: "docker" "start" "-a" "3d67040ea2e6e30c55b5f3d0baf9a35f6f1c1740a5f09ef3c5214dfb5c9b78b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d67040ea2e6e30c55b5f3d0baf9a35f6f1c1740a5f09ef3c5214dfb5c9b78b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d67040ea2e6e30c55b5f3d0baf9a35f6f1c1740a5f09ef3c5214dfb5c9b78b2", kill_on_drop: false }` [INFO] [stdout] 3d67040ea2e6e30c55b5f3d0baf9a35f6f1c1740a5f09ef3c5214dfb5c9b78b2 [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] d4f82847c4f168335f80fbb05cb2c8a3438a0f60d6432b326571e54415ec1c64 [INFO] running `Command { std: "docker" "start" "-a" "d4f82847c4f168335f80fbb05cb2c8a3438a0f60d6432b326571e54415ec1c64", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.52 [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 typenum v1.12.0 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling ahash v0.4.6 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling lalrpop-util v0.19.1 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling ahash v0.6.1 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Checking thiserror v1.0.22 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking futures-executor v0.3.8 [INFO] [stderr] Checking string-interner v0.12.1 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling string_cache v0.8.1 [INFO] [stderr] Compiling lalrpop v0.19.1 [INFO] [stderr] Compiling kes v0.16.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.25s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "d4f82847c4f168335f80fbb05cb2c8a3438a0f60d6432b326571e54415ec1c64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4f82847c4f168335f80fbb05cb2c8a3438a0f60d6432b326571e54415ec1c64", kill_on_drop: false }` [INFO] [stdout] d4f82847c4f168335f80fbb05cb2c8a3438a0f60d6432b326571e54415ec1c64 [INFO] checking kes-0.16.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate kes 0.16.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate kes 0.16.0 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 kes 0.16.0 [INFO] finished tweaking crates.io crate kes 0.16.0 [INFO] tweaked toml for crates.io crate kes 0.16.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate kes 0.16.0 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] 9e29a4923ba47ec7079029a6fb8aab13ae12171b2defba36d8a4dfdf9f56e96f [INFO] running `Command { std: "docker" "start" "-a" "9e29a4923ba47ec7079029a6fb8aab13ae12171b2defba36d8a4dfdf9f56e96f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e29a4923ba47ec7079029a6fb8aab13ae12171b2defba36d8a4dfdf9f56e96f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e29a4923ba47ec7079029a6fb8aab13ae12171b2defba36d8a4dfdf9f56e96f", kill_on_drop: false }` [INFO] [stdout] 9e29a4923ba47ec7079029a6fb8aab13ae12171b2defba36d8a4dfdf9f56e96f [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] 01df3f47d3649462c09b88b7adeba446cf5e3f6ae6512eb0eb91f7a4b49f3e94 [INFO] running `Command { std: "docker" "start" "-a" "01df3f47d3649462c09b88b7adeba446cf5e3f6ae6512eb0eb91f7a4b49f3e94", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.52 [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 typenum v1.12.0 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling ahash v0.4.6 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling lalrpop-util v0.19.1 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling ahash v0.6.1 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Compiling regex v1.4.2 [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] [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" "01df3f47d3649462c09b88b7adeba446cf5e3f6ae6512eb0eb91f7a4b49f3e94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01df3f47d3649462c09b88b7adeba446cf5e3f6ae6512eb0eb91f7a4b49f3e94", kill_on_drop: false }` [INFO] [stdout] 01df3f47d3649462c09b88b7adeba446cf5e3f6ae6512eb0eb91f7a4b49f3e94