[INFO] cloning repository https://github.com/Milesq/simply [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Milesq/simply" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesq%2Fsimply", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesq%2Fsimply'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dfd946ab3c835f54e0bb0172cfcb4599fff953eb [INFO] checking Milesq/simply against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesq%2Fsimply" "/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/Milesq/simply 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/Milesq/simply [INFO] finished tweaking git repo https://github.com/Milesq/simply [INFO] tweaked toml for git repo https://github.com/Milesq/simply written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Milesq/simply 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] 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] a3be5d4ac839229b0130fe55126261cd0f5a319de9695a5973f23c968f00d870 [INFO] running `Command { std: "docker" "start" "-a" "a3be5d4ac839229b0130fe55126261cd0f5a319de9695a5973f23c968f00d870", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3be5d4ac839229b0130fe55126261cd0f5a319de9695a5973f23c968f00d870", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3be5d4ac839229b0130fe55126261cd0f5a319de9695a5973f23c968f00d870", kill_on_drop: false }` [INFO] [stdout] a3be5d4ac839229b0130fe55126261cd0f5a319de9695a5973f23c968f00d870 [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] 66341fee66534c9a32d03dc96f403cd338dd32f29a4a25f426baa3728187af2c [INFO] running `Command { std: "docker" "start" "-a" "66341fee66534c9a32d03dc96f403cd338dd32f29a4a25f426baa3728187af2c", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking simply_build_ast v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `Command { std: "docker" "inspect" "66341fee66534c9a32d03dc96f403cd338dd32f29a4a25f426baa3728187af2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66341fee66534c9a32d03dc96f403cd338dd32f29a4a25f426baa3728187af2c", kill_on_drop: false }` [INFO] [stdout] 66341fee66534c9a32d03dc96f403cd338dd32f29a4a25f426baa3728187af2c [INFO] checking Milesq/simply against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMilesq%2Fsimply" "/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/Milesq/simply 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/Milesq/simply [INFO] finished tweaking git repo https://github.com/Milesq/simply [INFO] tweaked toml for git repo https://github.com/Milesq/simply written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Milesq/simply 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] 977ad11fb68d1d5df8319906786e6381702e9b1ac1d9760d2068542725794b78 [INFO] running `Command { std: "docker" "start" "-a" "977ad11fb68d1d5df8319906786e6381702e9b1ac1d9760d2068542725794b78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "977ad11fb68d1d5df8319906786e6381702e9b1ac1d9760d2068542725794b78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "977ad11fb68d1d5df8319906786e6381702e9b1ac1d9760d2068542725794b78", kill_on_drop: false }` [INFO] [stdout] 977ad11fb68d1d5df8319906786e6381702e9b1ac1d9760d2068542725794b78 [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] 27cd90159297b79e79c93d5b47f225784ba86d7ac7b9e1de485d82a0bf7ffca4 [INFO] running `Command { std: "docker" "start" "-a" "27cd90159297b79e79c93d5b47f225784ba86d7ac7b9e1de485d82a0bf7ffca4", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.1/src/exec.rs:838:13 [INFO] [stdout] | [INFO] [stdout] 838 | / match dfa::Fsm::reverse( [INFO] [stdout] 839 | | &self.ro.dfa_reverse, [INFO] [stdout] 840 | | self.cache.value(), [INFO] [stdout] 841 | | false, [INFO] [stdout] ... | [INFO] [stdout] 852 | | Quit => return Some(Quit), [INFO] [stdout] 853 | | }; [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] running `Command { std: "docker" "inspect" "27cd90159297b79e79c93d5b47f225784ba86d7ac7b9e1de485d82a0bf7ffca4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27cd90159297b79e79c93d5b47f225784ba86d7ac7b9e1de485d82a0bf7ffca4", kill_on_drop: false }` [INFO] [stdout] 27cd90159297b79e79c93d5b47f225784ba86d7ac7b9e1de485d82a0bf7ffca4