[INFO] cloning repository https://github.com/uhyo/espronceda [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uhyo/espronceda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuhyo%2Fespronceda", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuhyo%2Fespronceda'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ddd00622b3e47e921458d7423a29f4f24d3122d2 [INFO] checking uhyo/espronceda against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuhyo%2Fespronceda" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/uhyo/espronceda 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/uhyo/espronceda [INFO] finished tweaking git repo https://github.com/uhyo/espronceda [INFO] tweaked toml for git repo https://github.com/uhyo/espronceda written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/uhyo/espronceda 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 swc_atoms v0.2.6 [INFO] [stderr] Downloaded swc_ecma_ast v0.46.0 [INFO] [stderr] Downloaded swc_ecma_visit v0.32.0 [INFO] [stderr] Downloaded ast_node v0.7.3 [INFO] [stderr] Downloaded swc_visit v0.2.4 [INFO] [stderr] Downloaded swc_ecma_parser v0.59.1 [INFO] [stderr] Downloaded swc_common v0.10.20 [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] 6df2a21f404943e4021bc74d8ee4e149541fa6420834c4cdde10de591119b62b [INFO] running `Command { std: "docker" "start" "-a" "6df2a21f404943e4021bc74d8ee4e149541fa6420834c4cdde10de591119b62b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6df2a21f404943e4021bc74d8ee4e149541fa6420834c4cdde10de591119b62b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6df2a21f404943e4021bc74d8ee4e149541fa6420834c4cdde10de591119b62b", kill_on_drop: false }` [INFO] [stdout] 6df2a21f404943e4021bc74d8ee4e149541fa6420834c4cdde10de591119b62b [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] 61c6a2b67e841d11c6c9f610b6c5ab2e904e049b1a7a277040f6f0681539a981 [INFO] running `Command { std: "docker" "start" "-a" "61c6a2b67e841d11c6c9f610b6c5ab2e904e049b1a7a277040f6f0681539a981", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.65 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Compiling swc_atoms v0.2.6 [INFO] [stderr] Checking lexical v5.2.2 [INFO] [stderr] Compiling pmutil v0.5.3 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling swc_macros_common v0.3.3 [INFO] [stderr] Compiling swc_visit_macros v0.2.3 [INFO] [stderr] Compiling swc_eq_ignore_macros v0.1.0 [INFO] [stderr] Compiling from_variant v0.1.3 [INFO] [stderr] Compiling string_enum v0.3.1 [INFO] [stderr] Compiling is-macro v0.1.9 [INFO] [stderr] Compiling enum_kind v0.2.1 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking thiserror v1.0.25 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling ast_node v0.7.3 [INFO] [stderr] Checking swc_visit v0.2.4 [INFO] [stderr] Checking string_cache v0.8.1 [INFO] [stderr] Checking swc_common v0.10.20 [INFO] [stderr] Checking swc_ecma_ast v0.46.0 [INFO] [stderr] Checking swc_ecma_visit v0.32.0 [INFO] [stderr] Checking swc_ecma_parser v0.59.1 [INFO] [stderr] Checking espronceda v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> src/parse.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use anyhow; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate anyhow; [INFO] [stdout] | -------------------- the item `anyhow` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `anyhow` is imported redundantly [INFO] [stdout] --> src/parse.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use anyhow; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate anyhow; [INFO] [stdout] | -------------------- the item `anyhow` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::parse::visitor::tests::assert_no_stmt_feature` [INFO] [stdout] --> src/parse/visitor/tests/statements/func.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::parse::visitor::tests::assert_no_stmt_feature; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.82s [INFO] running `Command { std: "docker" "inspect" "61c6a2b67e841d11c6c9f610b6c5ab2e904e049b1a7a277040f6f0681539a981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61c6a2b67e841d11c6c9f610b6c5ab2e904e049b1a7a277040f6f0681539a981", kill_on_drop: false }` [INFO] [stdout] 61c6a2b67e841d11c6c9f610b6c5ab2e904e049b1a7a277040f6f0681539a981 [INFO] checking uhyo/espronceda against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuhyo%2Fespronceda" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/uhyo/espronceda 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/uhyo/espronceda [INFO] finished tweaking git repo https://github.com/uhyo/espronceda [INFO] tweaked toml for git repo https://github.com/uhyo/espronceda written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/uhyo/espronceda 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] 88b4bc31a450781ada699392ef8103afaf539ede6d7a2711aac8348131dc1c7f [INFO] running `Command { std: "docker" "start" "-a" "88b4bc31a450781ada699392ef8103afaf539ede6d7a2711aac8348131dc1c7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88b4bc31a450781ada699392ef8103afaf539ede6d7a2711aac8348131dc1c7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88b4bc31a450781ada699392ef8103afaf539ede6d7a2711aac8348131dc1c7f", kill_on_drop: false }` [INFO] [stdout] 88b4bc31a450781ada699392ef8103afaf539ede6d7a2711aac8348131dc1c7f [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] e98204c874c06934f8bd22e1af3449d1c11fc03d6908d7dd2ebbfb30e20a6429 [INFO] running `Command { std: "docker" "start" "-a" "e98204c874c06934f8bd22e1af3449d1c11fc03d6908d7dd2ebbfb30e20a6429", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.65 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking smallvec v1.6.1 [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" "e98204c874c06934f8bd22e1af3449d1c11fc03d6908d7dd2ebbfb30e20a6429", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e98204c874c06934f8bd22e1af3449d1c11fc03d6908d7dd2ebbfb30e20a6429", kill_on_drop: false }` [INFO] [stdout] e98204c874c06934f8bd22e1af3449d1c11fc03d6908d7dd2ebbfb30e20a6429