[INFO] fetching crate picky-krb 0.8.0...
[INFO] checking picky-krb-0.8.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate picky-krb 0.8.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate picky-krb 0.8.0 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 picky-krb 0.8.0
[INFO] finished tweaking crates.io crate picky-krb 0.8.0
[INFO] tweaked toml for crates.io crate picky-krb 0.8.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded picky-asn1-der v0.4.1
[INFO] [stderr]   Downloaded picky-asn1-x509 v0.12.0
[INFO] [stderr]   Downloaded picky-asn1 v0.8.0
[INFO] [stderr]   Downloaded crypto v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ee97099b28e0c7c2223fac0efe0a487a93e952910336523c45aa49850294308f
[INFO] running `Command { std: "docker" "start" "-a" "ee97099b28e0c7c2223fac0efe0a487a93e952910336523c45aa49850294308f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee97099b28e0c7c2223fac0efe0a487a93e952910336523c45aa49850294308f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee97099b28e0c7c2223fac0efe0a487a93e952910336523c45aa49850294308f", kill_on_drop: false }`
[INFO] [stdout] ee97099b28e0c7c2223fac0efe0a487a93e952910336523c45aa49850294308f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 17bfaf2e03e849839c0699c1f751c32f5f03fd966fa9c307326caadd94311ad0
[INFO] running `Command { std: "docker" "start" "-a" "17bfaf2e03e849839c0699c1f751c32f5f03fd966fa9c307326caadd94311ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking crypto v0.5.1
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking des v0.8.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking oid v0.2.1
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking picky-asn1 v0.8.0
[INFO] [stderr]     Checking picky-asn1-der v0.4.1
[INFO] [stderr]     Checking picky-asn1-x509 v0.12.0
[INFO] [stderr]     Checking picky-krb v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "17bfaf2e03e849839c0699c1f751c32f5f03fd966fa9c307326caadd94311ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bfaf2e03e849839c0699c1f751c32f5f03fd966fa9c307326caadd94311ad0", kill_on_drop: false }`
[INFO] [stdout] 17bfaf2e03e849839c0699c1f751c32f5f03fd966fa9c307326caadd94311ad0
[INFO] checking picky-krb-0.8.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate picky-krb 0.8.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate picky-krb 0.8.0 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 picky-krb 0.8.0
[INFO] finished tweaking crates.io crate picky-krb 0.8.0
[INFO] tweaked toml for crates.io crate picky-krb 0.8.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 68647ac8f27d075e34ce85091c84fc518d81f3b2e98ce3de558b5f80873e4a06
[INFO] running `Command { std: "docker" "start" "-a" "68647ac8f27d075e34ce85091c84fc518d81f3b2e98ce3de558b5f80873e4a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68647ac8f27d075e34ce85091c84fc518d81f3b2e98ce3de558b5f80873e4a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68647ac8f27d075e34ce85091c84fc518d81f3b2e98ce3de558b5f80873e4a06", kill_on_drop: false }`
[INFO] [stdout] 68647ac8f27d075e34ce85091c84fc518d81f3b2e98ce3de558b5f80873e4a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e390e9938ca361a305a20935c18a8a779c940e3b0103395054ad460e8f8353a5
[INFO] running `Command { std: "docker" "start" "-a" "e390e9938ca361a305a20935c18a8a779c940e3b0103395054ad460e8f8353a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto v0.5.1
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking des v0.8.1
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking oid v0.2.1
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking picky-asn1 v0.8.0
[INFO] [stderr]     Checking picky-asn1-der v0.4.1
[INFO] [stderr]     Checking picky-asn1-x509 v0.12.0
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/picky-asn1-x509-0.12.0/src/macros.rs:14:14
[INFO] [stdout]      |
[INFO] [stdout] 14   |         $seq.next_element()?.ok_or_else(|| {
[INFO] [stdout]      |              ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]      |
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/picky-asn1-x509-0.12.0/src/algorithm_identifier.rs:349:25
[INFO] [stdout]      |
[INFO] [stdout] 349  |                         seq_next_element!(seq, AlgorithmIdentifier, "sha algorithm identifier");
[INFO] [stdout]      |                         ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: cannot satisfy `_: Deserialize<'de>`
[INFO] [stdout]      = help: the following types implement trait `Deserialize<'de>`:
[INFO] [stdout]                &'a Path
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a serde_bytes::bytearray::ByteArray<N>
[INFO] [stdout]                &'a serde_bytes::bytes::Bytes
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]              and 226 others
[INFO] [stdout] note: required by a bound in `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde-1.0.197/src/de/mod.rs:1726:12
[INFO] [stdout]      |
[INFO] [stdout] 1724 |     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout]      |        ------------ required by a bound in this associated function
[INFO] [stdout] 1725 |     where
[INFO] [stdout] 1726 |         T: Deserialize<'de>,
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^ required by this bound in `SeqAccess::next_element`
[INFO] [stdout]      = note: this error originates in the macro `seq_next_element` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `picky-asn1-x509` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e390e9938ca361a305a20935c18a8a779c940e3b0103395054ad460e8f8353a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e390e9938ca361a305a20935c18a8a779c940e3b0103395054ad460e8f8353a5", kill_on_drop: false }`
[INFO] [stdout] e390e9938ca361a305a20935c18a8a779c940e3b0103395054ad460e8f8353a5