[INFO] cloning repository https://github.com/matsune/fenek [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matsune/fenek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsune%2Ffenek", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsune%2Ffenek'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2845000a24d26eec0a59f35d504a2eb5cedd0a53 [INFO] checking matsune/fenek against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsune%2Ffenek" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matsune/fenek 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/matsune/fenek [INFO] finished tweaking git repo https://github.com/matsune/fenek [INFO] tweaked toml for git repo https://github.com/matsune/fenek written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/matsune/fenek 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 git repository `https://github.com/TheDan64/inkwell` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded llvm-sys v110.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 052fe538faf84388958674aec0b57ae94aa413c8a1a5ebf7852b20a469254785 [INFO] running `Command { std: "docker" "start" "-a" "052fe538faf84388958674aec0b57ae94aa413c8a1a5ebf7852b20a469254785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "052fe538faf84388958674aec0b57ae94aa413c8a1a5ebf7852b20a469254785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "052fe538faf84388958674aec0b57ae94aa413c8a1a5ebf7852b20a469254785", kill_on_drop: false }` [INFO] [stdout] 052fe538faf84388958674aec0b57ae94aa413c8a1a5ebf7852b20a469254785 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 88fb856de439f7cb7208c0f0131a172b492decf2f7b477a12a986692579870a7 [INFO] running `Command { std: "docker" "start" "-a" "88fb856de439f7cb7208c0f0131a172b492decf2f7b477a12a986692579870a7", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling libc v0.2.90 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#1c5e323d) [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Compiling llvm-sys v110.0.1 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling inkwell_internals v0.3.0 (https://github.com/TheDan64/inkwell?branch=master#1c5e323d) [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking pos v0.1.0 (/opt/rustwide/workdir/compiler/pos) [INFO] [stderr] Checking error v0.1.0 (/opt/rustwide/workdir/compiler/error) [INFO] [stderr] Checking lex v0.1.0 (/opt/rustwide/workdir/compiler/lex) [INFO] [stderr] Checking types v0.1.0 (/opt/rustwide/workdir/compiler/types) [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> compiler/types/src/infer.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ToString` is imported redundantly [INFO] [stdout] --> compiler/types/src/infer.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::string::ToString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ToString` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ast v0.1.0 (/opt/rustwide/workdir/compiler/ast) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `struct_A` should have a snake case name [INFO] [stdout] --> compiler/types/src/solver/tests.rs:196:13 [INFO] [stdout] | [INFO] [stdout] 196 | let struct_A = solver.add_struct("A"); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `struct_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking parse v0.1.0 (/opt/rustwide/workdir/compiler/parse) [INFO] [stderr] Checking hir v0.1.0 (/opt/rustwide/workdir/compiler/hir) [INFO] [stderr] Checking typeck v0.1.0 (/opt/rustwide/workdir/compiler/typeck) [INFO] [stderr] Checking codegen v0.1.0 (/opt/rustwide/workdir/compiler/codegen) [INFO] [stderr] Checking fenec v0.1.0 (/opt/rustwide/workdir/fenec) [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> fenec/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> fenec/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::path::Path; [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 7.09s [INFO] running `Command { std: "docker" "inspect" "88fb856de439f7cb7208c0f0131a172b492decf2f7b477a12a986692579870a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88fb856de439f7cb7208c0f0131a172b492decf2f7b477a12a986692579870a7", kill_on_drop: false }` [INFO] [stdout] 88fb856de439f7cb7208c0f0131a172b492decf2f7b477a12a986692579870a7 [INFO] checking matsune/fenek against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatsune%2Ffenek" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matsune/fenek 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/matsune/fenek [INFO] finished tweaking git repo https://github.com/matsune/fenek [INFO] tweaked toml for git repo https://github.com/matsune/fenek written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/matsune/fenek 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7e8a496ef05de96b300e77e6f701fff57c5e1c6b77d57ac5afa1774d1b25a21e [INFO] running `Command { std: "docker" "start" "-a" "7e8a496ef05de96b300e77e6f701fff57c5e1c6b77d57ac5afa1774d1b25a21e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e8a496ef05de96b300e77e6f701fff57c5e1c6b77d57ac5afa1774d1b25a21e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e8a496ef05de96b300e77e6f701fff57c5e1c6b77d57ac5afa1774d1b25a21e", kill_on_drop: false }` [INFO] [stdout] 7e8a496ef05de96b300e77e6f701fff57c5e1c6b77d57ac5afa1774d1b25a21e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c275f449246e4597d8b587d571aa2e6fff4094fe608de117dc1e0d1fb86e3d1b [INFO] running `Command { std: "docker" "start" "-a" "c275f449246e4597d8b587d571aa2e6fff4094fe608de117dc1e0d1fb86e3d1b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling libc v0.2.90 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#1c5e323d) [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.5/src/exec.rs:851:13 [INFO] [stdout] | [INFO] [stdout] 851 | / match dfa::Fsm::reverse( [INFO] [stdout] 852 | | &self.ro.dfa_reverse, [INFO] [stdout] 853 | | self.cache.value(), [INFO] [stdout] 854 | | false, [INFO] [stdout] ... | [INFO] [stdout] 865 | | Quit => return Some(Quit), [INFO] [stdout] 866 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.5/src/exec.rs:851:13 [INFO] [stdout] | [INFO] [stdout] 851 | / match dfa::Fsm::reverse( [INFO] [stdout] 852 | | &self.ro.dfa_reverse, [INFO] [stdout] 853 | | self.cache.value(), [INFO] [stdout] 854 | | false, [INFO] [stdout] ... | [INFO] [stdout] 865 | | Quit => return Some(Quit), [INFO] [stdout] 866 | | }; [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] [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] running `Command { std: "docker" "inspect" "c275f449246e4597d8b587d571aa2e6fff4094fe608de117dc1e0d1fb86e3d1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c275f449246e4597d8b587d571aa2e6fff4094fe608de117dc1e0d1fb86e3d1b", kill_on_drop: false }` [INFO] [stdout] c275f449246e4597d8b587d571aa2e6fff4094fe608de117dc1e0d1fb86e3d1b