[INFO] fetching crate dtd-rs 0.1.0-alpha2...
[INFO] checking dtd-rs-0.1.0-alpha2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate dtd-rs 0.1.0-alpha2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate dtd-rs 0.1.0-alpha2 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 dtd-rs 0.1.0-alpha2
[INFO] finished tweaking crates.io crate dtd-rs 0.1.0-alpha2
[INFO] tweaked toml for crates.io crate dtd-rs 0.1.0-alpha2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate dtd-rs 0.1.0-alpha2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded nom_locate v1.0.0
[INFO] [stderr]   Downloaded nom-tracable v0.7.0
[INFO] [stderr]   Downloaded dtd-macro v0.1.0-alpha2
[INFO] [stderr]   Downloaded nom_locate v3.0.2
[INFO] [stderr]   Downloaded nom v6.2.1
[INFO] [stderr]   Downloaded nom_locate v2.1.0
[INFO] [stderr]   Downloaded nom-greedyerror v0.3.1
[INFO] [stderr]   Downloaded nom-tracable-macros v0.7.0
[INFO] [stderr]   Downloaded bytecount v0.3.2
[INFO] [stderr]   Downloaded bitvec v0.19.5
[INFO] [stderr]   Downloaded dtd-parser v0.1.0-alpha3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] aeb7f3459c97695611f9add7cde8054027f2e1e8d20810be20d1cf95899035a2
[INFO] running `Command { std: "docker" "start" "-a" "aeb7f3459c97695611f9add7cde8054027f2e1e8d20810be20d1cf95899035a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb7f3459c97695611f9add7cde8054027f2e1e8d20810be20d1cf95899035a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb7f3459c97695611f9add7cde8054027f2e1e8d20810be20d1cf95899035a2", kill_on_drop: false }`
[INFO] [stdout] aeb7f3459c97695611f9add7cde8054027f2e1e8d20810be20d1cf95899035a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 700e1892a6eb1e7deb93f8ca155ce91c1cfe8c4e9f7a45e28dea1804a290e2a6
[INFO] running `Command { std: "docker" "start" "-a" "700e1892a6eb1e7deb93f8ca155ce91c1cfe8c4e9f7a45e28dea1804a290e2a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling nom_locate v1.0.0
[INFO] [stderr]    Compiling nom_locate v2.1.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling nom-tracable-macros v0.7.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking nom_locate v3.0.2
[INFO] [stderr]     Checking nom-greedyerror v0.3.1
[INFO] [stderr]    Compiling nom-tracable v0.7.0
[INFO] [stderr]    Compiling dtd-parser v0.1.0-alpha3
[INFO] [stderr]    Compiling dtd-macro v0.1.0-alpha2
[INFO] [stderr]     Checking dtd-rs v0.1.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr] ERROR: PEReference(`calstblx`) is not defined yet.
[INFO] [stderr] ERROR: PEReference(`calstblx`) is not defined yet.
[INFO] [stdout] 279 definitions found.
[INFO] [stdout] 279 definitions found.
[INFO] [stderr] TokenizedType `NMTOKENS` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKENS` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKENS` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKENS` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKENS` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKENS` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKENS` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKENS` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr] TokenizedType `NMTOKEN` has been implemented as `String`.
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "700e1892a6eb1e7deb93f8ca155ce91c1cfe8c4e9f7a45e28dea1804a290e2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700e1892a6eb1e7deb93f8ca155ce91c1cfe8c4e9f7a45e28dea1804a290e2a6", kill_on_drop: false }`
[INFO] [stdout] 700e1892a6eb1e7deb93f8ca155ce91c1cfe8c4e9f7a45e28dea1804a290e2a6
[INFO] checking dtd-rs-0.1.0-alpha2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate dtd-rs 0.1.0-alpha2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate dtd-rs 0.1.0-alpha2 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 dtd-rs 0.1.0-alpha2
[INFO] finished tweaking crates.io crate dtd-rs 0.1.0-alpha2
[INFO] tweaked toml for crates.io crate dtd-rs 0.1.0-alpha2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate dtd-rs 0.1.0-alpha2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5d7302534eff8b3059f356ed637fd7cba90142ce16c5b30eeb74a57a85208902
[INFO] running `Command { std: "docker" "start" "-a" "5d7302534eff8b3059f356ed637fd7cba90142ce16c5b30eeb74a57a85208902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d7302534eff8b3059f356ed637fd7cba90142ce16c5b30eeb74a57a85208902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d7302534eff8b3059f356ed637fd7cba90142ce16c5b30eeb74a57a85208902", kill_on_drop: false }`
[INFO] [stdout] 5d7302534eff8b3059f356ed637fd7cba90142ce16c5b30eeb74a57a85208902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 73e746252d8739d86bb919bc1b535e5a386840abf2fbba30771d01732430dff2
[INFO] running `Command { std: "docker" "start" "-a" "73e746252d8739d86bb919bc1b535e5a386840abf2fbba30771d01732430dff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling nom_locate v1.0.0
[INFO] [stderr]    Compiling nom_locate v2.1.0
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.6/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] [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" "73e746252d8739d86bb919bc1b535e5a386840abf2fbba30771d01732430dff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e746252d8739d86bb919bc1b535e5a386840abf2fbba30771d01732430dff2", kill_on_drop: false }`
[INFO] [stdout] 73e746252d8739d86bb919bc1b535e5a386840abf2fbba30771d01732430dff2