[INFO] fetching crate centoria 0.1.1... [INFO] checking centoria-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate centoria 0.1.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate centoria 0.1.1 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 centoria 0.1.1 [INFO] finished tweaking crates.io crate centoria 0.1.1 [INFO] tweaked toml for crates.io crate centoria 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate centoria 0.1.1 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 inventory v0.1.4 [INFO] [stderr] Downloaded serde v1.0.98 [INFO] [stderr] Downloaded typetag v0.1.4 [INFO] [stderr] Downloaded proc-macro2 v1.0.1 [INFO] [stderr] Downloaded typetag-impl v0.1.4 [INFO] [stderr] Downloaded inventory-impl v0.1.4 [INFO] [stderr] Downloaded serde_derive v1.0.98 [INFO] [stderr] Downloaded ghost v0.1.1 [INFO] [stderr] Downloaded cc v1.0.40 [INFO] [stderr] Downloaded downcast-rs v1.0.4 [INFO] [stderr] Downloaded erased-serde v0.3.9 [INFO] [stderr] Downloaded backtrace v0.3.34 [INFO] [stderr] Downloaded syn v1.0.3 [INFO] [stderr] Downloaded regex-syntax v0.6.11 [INFO] [stderr] Downloaded regex v1.2.1 [INFO] [stderr] Downloaded blake2b_simd v0.5.6 [INFO] [stderr] Downloaded ctor v0.1.10 [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] 6dc97a3018b647df911ec5a3f1a827f48308e221c8f822154d3fba1d1466ae0c [INFO] running `Command { std: "docker" "start" "-a" "6dc97a3018b647df911ec5a3f1a827f48308e221c8f822154d3fba1d1466ae0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6dc97a3018b647df911ec5a3f1a827f48308e221c8f822154d3fba1d1466ae0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dc97a3018b647df911ec5a3f1a827f48308e221c8f822154d3fba1d1466ae0c", kill_on_drop: false }` [INFO] [stdout] 6dc97a3018b647df911ec5a3f1a827f48308e221c8f822154d3fba1d1466ae0c [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] 2428d8558feec69702351a04e9e60c46cbce8e0e242a5725c1d57fcd2c76994f [INFO] running `Command { std: "docker" "start" "-a" "2428d8558feec69702351a04e9e60c46cbce8e0e242a5725c1d57fcd2c76994f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling syn v1.0.3 [INFO] [stderr] Compiling cc v1.0.40 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking downcast-rs v1.0.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking backtrace v0.3.34 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling ctor v0.1.10 [INFO] [stderr] Compiling inventory-impl v0.1.4 [INFO] [stderr] Compiling typetag-impl v0.1.4 [INFO] [stderr] Checking inventory v0.1.4 [INFO] [stderr] Checking erased-serde v0.3.9 [INFO] [stderr] Checking toml v0.5.3 [INFO] [stderr] Checking typetag v0.1.4 [INFO] [stderr] Checking centoria v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.74s [INFO] running `Command { std: "docker" "inspect" "2428d8558feec69702351a04e9e60c46cbce8e0e242a5725c1d57fcd2c76994f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2428d8558feec69702351a04e9e60c46cbce8e0e242a5725c1d57fcd2c76994f", kill_on_drop: false }` [INFO] [stdout] 2428d8558feec69702351a04e9e60c46cbce8e0e242a5725c1d57fcd2c76994f [INFO] checking centoria-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate centoria 0.1.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate centoria 0.1.1 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 centoria 0.1.1 [INFO] finished tweaking crates.io crate centoria 0.1.1 [INFO] tweaked toml for crates.io crate centoria 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate centoria 0.1.1 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] efe5da6af9e272d5a95a191303475c311bf41ca72a5873d525c2ab6903c9fbb5 [INFO] running `Command { std: "docker" "start" "-a" "efe5da6af9e272d5a95a191303475c311bf41ca72a5873d525c2ab6903c9fbb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efe5da6af9e272d5a95a191303475c311bf41ca72a5873d525c2ab6903c9fbb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efe5da6af9e272d5a95a191303475c311bf41ca72a5873d525c2ab6903c9fbb5", kill_on_drop: false }` [INFO] [stdout] efe5da6af9e272d5a95a191303475c311bf41ca72a5873d525c2ab6903c9fbb5 [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] bfc8cafc13d99e87bb5854191cfb4580992506e05f50e598c63d440f4514c0db [INFO] running `Command { std: "docker" "start" "-a" "bfc8cafc13d99e87bb5854191cfb4580992506e05f50e598c63d440f4514c0db", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling syn v1.0.3 [INFO] [stderr] Compiling cc v1.0.40 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking downcast-rs v1.0.4 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking backtrace v0.3.34 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.2.1/src/exec.rs:797:13 [INFO] [stdout] | [INFO] [stdout] 797 | / match dfa::Fsm::reverse( [INFO] [stdout] 798 | | &self.ro.dfa_reverse, [INFO] [stdout] 799 | | self.cache, [INFO] [stdout] 800 | | false, [INFO] [stdout] ... | [INFO] [stdout] 811 | | Quit => return Some(Quit), [INFO] [stdout] 812 | | }; [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" "bfc8cafc13d99e87bb5854191cfb4580992506e05f50e598c63d440f4514c0db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfc8cafc13d99e87bb5854191cfb4580992506e05f50e598c63d440f4514c0db", kill_on_drop: false }` [INFO] [stdout] bfc8cafc13d99e87bb5854191cfb4580992506e05f50e598c63d440f4514c0db