[INFO] fetching crate os_info_cli 2.0.0... [INFO] checking os_info_cli-2.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate os_info_cli 2.0.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate os_info_cli 2.0.0 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 os_info_cli 2.0.0 [INFO] finished tweaking crates.io crate os_info_cli 2.0.0 [INFO] tweaked toml for crates.io crate os_info_cli 2.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate os_info_cli 2.0.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded os_info v3.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8c7cd748de70e5be17ede3527984de5e9e82652d7e5489b5cd39c5e5162f65a1 [INFO] running `Command { std: "docker" "start" "-a" "8c7cd748de70e5be17ede3527984de5e9e82652d7e5489b5cd39c5e5162f65a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c7cd748de70e5be17ede3527984de5e9e82652d7e5489b5cd39c5e5162f65a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c7cd748de70e5be17ede3527984de5e9e82652d7e5489b5cd39c5e5162f65a1", kill_on_drop: false }` [INFO] [stdout] 8c7cd748de70e5be17ede3527984de5e9e82652d7e5489b5cd39c5e5162f65a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 02910b0d6f92192a69d4c5fd9f6ff01f9578eafdcebe70ea7e20ccb70d1dd40a [INFO] running `Command { std: "docker" "start" "-a" "02910b0d6f92192a69d4c5fd9f6ff01f9578eafdcebe70ea7e20ccb70d1dd40a", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking os_info v3.2.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking assert_cmd v2.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.14 [INFO] [stderr] Checking clap v3.0.14 [INFO] [stderr] Checking os_info_cli v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.06s [INFO] running `Command { std: "docker" "inspect" "02910b0d6f92192a69d4c5fd9f6ff01f9578eafdcebe70ea7e20ccb70d1dd40a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02910b0d6f92192a69d4c5fd9f6ff01f9578eafdcebe70ea7e20ccb70d1dd40a", kill_on_drop: false }` [INFO] [stdout] 02910b0d6f92192a69d4c5fd9f6ff01f9578eafdcebe70ea7e20ccb70d1dd40a [INFO] checking os_info_cli-2.0.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate os_info_cli 2.0.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate os_info_cli 2.0.0 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 os_info_cli 2.0.0 [INFO] finished tweaking crates.io crate os_info_cli 2.0.0 [INFO] tweaked toml for crates.io crate os_info_cli 2.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate os_info_cli 2.0.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2a6d1414886c12ce718b3447d25e28011d5fc57211a329307c5a846875b6b7fb [INFO] running `Command { std: "docker" "start" "-a" "2a6d1414886c12ce718b3447d25e28011d5fc57211a329307c5a846875b6b7fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a6d1414886c12ce718b3447d25e28011d5fc57211a329307c5a846875b6b7fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a6d1414886c12ce718b3447d25e28011d5fc57211a329307c5a846875b6b7fb", kill_on_drop: false }` [INFO] [stdout] 2a6d1414886c12ce718b3447d25e28011d5fc57211a329307c5a846875b6b7fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f0ea85579c8f178085e3d7f36002d02c1aefd5df31ba685b24c8404e2e7c3fb3 [INFO] running `Command { std: "docker" "start" "-a" "f0ea85579c8f178085e3d7f36002d02c1aefd5df31ba685b24c8404e2e7c3fb3", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking predicates-tree v1.0.5 [INFO] [stderr] Checking os_info v3.2.0 [INFO] [stderr] Checking regex v1.5.4 [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] [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" "f0ea85579c8f178085e3d7f36002d02c1aefd5df31ba685b24c8404e2e7c3fb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0ea85579c8f178085e3d7f36002d02c1aefd5df31ba685b24c8404e2e7c3fb3", kill_on_drop: false }` [INFO] [stdout] f0ea85579c8f178085e3d7f36002d02c1aefd5df31ba685b24c8404e2e7c3fb3