[INFO] fetching crate finder_info_bin 0.2.0... [INFO] checking finder_info_bin-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate finder_info_bin 0.2.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate finder_info_bin 0.2.0 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 finder_info_bin 0.2.0 [INFO] finished tweaking crates.io crate finder_info_bin 0.2.0 [INFO] tweaked toml for crates.io crate finder_info_bin 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate finder_info_bin 0.2.0 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded docopt v1.1.0 [INFO] [stderr] Downloaded serde_derive v1.0.123 [INFO] [stderr] Downloaded finder_info v0.2.1 [INFO] [stderr] Downloaded serde v1.0.123 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 574665366b5a0e212193d2050a95a90c2f27e4a9b247df27b07a8f9ed3c0b16b [INFO] running `Command { std: "docker" "start" "-a" "574665366b5a0e212193d2050a95a90c2f27e4a9b247df27b07a8f9ed3c0b16b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "574665366b5a0e212193d2050a95a90c2f27e4a9b247df27b07a8f9ed3c0b16b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "574665366b5a0e212193d2050a95a90c2f27e4a9b247df27b07a8f9ed3c0b16b", kill_on_drop: false }` [INFO] [stdout] 574665366b5a0e212193d2050a95a90c2f27e4a9b247df27b07a8f9ed3c0b16b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 78c1f3fa815054113998b072948586b9153bec74c3e169906142d3a9a67e2e70 [INFO] running `Command { std: "docker" "start" "-a" "78c1f3fa815054113998b072948586b9153bec74c3e169906142d3a9a67e2e70", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking docopt v1.1.0 [INFO] [stderr] Checking finder_info v0.2.1 [INFO] [stderr] Checking finder_info_bin v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.87s [INFO] running `Command { std: "docker" "inspect" "78c1f3fa815054113998b072948586b9153bec74c3e169906142d3a9a67e2e70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78c1f3fa815054113998b072948586b9153bec74c3e169906142d3a9a67e2e70", kill_on_drop: false }` [INFO] [stdout] 78c1f3fa815054113998b072948586b9153bec74c3e169906142d3a9a67e2e70 [INFO] checking finder_info_bin-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate finder_info_bin 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate finder_info_bin 0.2.0 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 finder_info_bin 0.2.0 [INFO] finished tweaking crates.io crate finder_info_bin 0.2.0 [INFO] tweaked toml for crates.io crate finder_info_bin 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate finder_info_bin 0.2.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2967f77a98f5d6e0aac674c63e335c90f5596d7f62ca400cbc2e4386a004fc8d [INFO] running `Command { std: "docker" "start" "-a" "2967f77a98f5d6e0aac674c63e335c90f5596d7f62ca400cbc2e4386a004fc8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2967f77a98f5d6e0aac674c63e335c90f5596d7f62ca400cbc2e4386a004fc8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2967f77a98f5d6e0aac674c63e335c90f5596d7f62ca400cbc2e4386a004fc8d", kill_on_drop: false }` [INFO] [stdout] 2967f77a98f5d6e0aac674c63e335c90f5596d7f62ca400cbc2e4386a004fc8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b04d3c41f06e83b87fa9aa421183bf8dd645cca8f768313c2408a3a3e4ab5119 [INFO] running `Command { std: "docker" "start" "-a" "b04d3c41f06e83b87fa9aa421183bf8dd645cca8f768313c2408a3a3e4ab5119", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.3/src/exec.rs:841:13 [INFO] [stdout] | [INFO] [stdout] 841 | / match dfa::Fsm::reverse( [INFO] [stdout] 842 | | &self.ro.dfa_reverse, [INFO] [stdout] 843 | | self.cache.value(), [INFO] [stdout] 844 | | false, [INFO] [stdout] ... | [INFO] [stdout] 855 | | Quit => return Some(Quit), [INFO] [stdout] 856 | | }; [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" "b04d3c41f06e83b87fa9aa421183bf8dd645cca8f768313c2408a3a3e4ab5119", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b04d3c41f06e83b87fa9aa421183bf8dd645cca8f768313c2408a3a3e4ab5119", kill_on_drop: false }` [INFO] [stdout] b04d3c41f06e83b87fa9aa421183bf8dd645cca8f768313c2408a3a3e4ab5119