[INFO] fetching crate hugo_to_json 0.3.9... [INFO] checking hugo_to_json-0.3.9 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate hugo_to_json 0.3.9 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate hugo_to_json 0.3.9 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 hugo_to_json 0.3.9 [INFO] finished tweaking crates.io crate hugo_to_json 0.3.9 [INFO] tweaked toml for crates.io crate hugo_to_json 0.3.9 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate hugo_to_json 0.3.9 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 getopts v0.2.19 [INFO] [stderr] Downloaded wincolor v1.0.1 [INFO] [stderr] Downloaded strip_markdown v0.2.0 [INFO] [stderr] Downloaded pulldown-cmark v0.7.0 [INFO] [stderr] Downloaded same-file v1.0.4 [INFO] [stderr] Downloaded predicates v1.0.7 [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] 3833b5969d8eabc83bd60bf11c43e01b28ed31e73951040326d79831b73e7cb1 [INFO] running `Command { std: "docker" "start" "-a" "3833b5969d8eabc83bd60bf11c43e01b28ed31e73951040326d79831b73e7cb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3833b5969d8eabc83bd60bf11c43e01b28ed31e73951040326d79831b73e7cb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3833b5969d8eabc83bd60bf11c43e01b28ed31e73951040326d79831b73e7cb1", kill_on_drop: false }` [INFO] [stdout] 3833b5969d8eabc83bd60bf11c43e01b28ed31e73951040326d79831b73e7cb1 [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] 5155b1d7a0daf5076a051ec6febd12101c9d5c3d6466743f6285764c6bc2976a [INFO] running `Command { std: "docker" "start" "-a" "5155b1d7a0daf5076a051ec6febd12101c9d5c3d6466743f6285764c6bc2976a", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.68 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling pulldown-cmark v0.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking getopts v0.2.19 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking strip_markdown v0.2.0 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking hugo_to_json v0.3.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/traverse/traverser.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ the item `num_cpus` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/traverse/traverser.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ the item `num_cpus` is already defined by prelude [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] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> tests/cli.rs:8:26 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Write` is already imported here [INFO] [stdout] 8 | use std::io::{BufReader, Write}; [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.07s [INFO] running `Command { std: "docker" "inspect" "5155b1d7a0daf5076a051ec6febd12101c9d5c3d6466743f6285764c6bc2976a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5155b1d7a0daf5076a051ec6febd12101c9d5c3d6466743f6285764c6bc2976a", kill_on_drop: false }` [INFO] [stdout] 5155b1d7a0daf5076a051ec6febd12101c9d5c3d6466743f6285764c6bc2976a [INFO] checking hugo_to_json-0.3.9 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate hugo_to_json 0.3.9 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate hugo_to_json 0.3.9 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 hugo_to_json 0.3.9 [INFO] finished tweaking crates.io crate hugo_to_json 0.3.9 [INFO] tweaked toml for crates.io crate hugo_to_json 0.3.9 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate hugo_to_json 0.3.9 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] 17b2697c92d4cb4428a5f6c7a319ffcb3cf451a4ed7d6d1cb0ee374145bcbd2e [INFO] running `Command { std: "docker" "start" "-a" "17b2697c92d4cb4428a5f6c7a319ffcb3cf451a4ed7d6d1cb0ee374145bcbd2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17b2697c92d4cb4428a5f6c7a319ffcb3cf451a4ed7d6d1cb0ee374145bcbd2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17b2697c92d4cb4428a5f6c7a319ffcb3cf451a4ed7d6d1cb0ee374145bcbd2e", kill_on_drop: false }` [INFO] [stdout] 17b2697c92d4cb4428a5f6c7a319ffcb3cf451a4ed7d6d1cb0ee374145bcbd2e [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] aad7cfa20eccb45218c39282dbe6284e666f25fe47a6a6afcc8383e9b7d2c808 [INFO] running `Command { std: "docker" "start" "-a" "aad7cfa20eccb45218c39282dbe6284e666f25fe47a6a6afcc8383e9b7d2c808", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.68 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling pulldown-cmark v0.7.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking getopts v0.2.19 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking tempfile v3.2.0 [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] [stderr] Checking strip_markdown v0.2.0 [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" "aad7cfa20eccb45218c39282dbe6284e666f25fe47a6a6afcc8383e9b7d2c808", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aad7cfa20eccb45218c39282dbe6284e666f25fe47a6a6afcc8383e9b7d2c808", kill_on_drop: false }` [INFO] [stdout] aad7cfa20eccb45218c39282dbe6284e666f25fe47a6a6afcc8383e9b7d2c808