[INFO] fetching crate iot_center 0.0.1...
[INFO] documenting iot_center-0.0.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate iot_center 0.0.1 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate iot_center 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iot_center 0.0.1
[INFO] finished tweaking crates.io crate iot_center 0.0.1
[INFO] tweaked toml for crates.io crate iot_center 0.0.1 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd87e02fb8843acb7d045b7a65511030542cac5830c2b6c06f441cb47f50d200
[INFO] running `Command { std: "docker" "start" "-a" "dd87e02fb8843acb7d045b7a65511030542cac5830c2b6c06f441cb47f50d200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd87e02fb8843acb7d045b7a65511030542cac5830c2b6c06f441cb47f50d200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd87e02fb8843acb7d045b7a65511030542cac5830c2b6c06f441cb47f50d200", kill_on_drop: false }`
[INFO] [stdout] dd87e02fb8843acb7d045b7a65511030542cac5830c2b6c06f441cb47f50d200
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae1be26ea5d9f166885fd4b98422609421adc46aa447ff094f1fdcb3907f1c8b
[INFO] running `Command { std: "docker" "start" "-a" "ae1be26ea5d9f166885fd4b98422609421adc46aa447ff094f1fdcb3907f1c8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rusqlite v0.13.0
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::From<&_>` for type `types::to_sql::ToSqlOutput<'_>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusqlite-0.13.0/src/types/to_sql.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / impl<'a, T: ?Sized> From<&'a T> for ToSqlOutput<'a>
[INFO] [stdout] 19 | |     where &'a T: Into<ValueRef<'a>>
[INFO] [stdout] 20 | | {
[INFO] [stdout] 21 | |     fn from(t: &'a T) -> Self {
[INFO] [stdout] 22 | |         ToSqlOutput::Borrowed(t.into())
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_- first implementation here
[INFO] [stdout] 25 | 
[INFO] [stdout] 26 |   impl<'a, T: Into<Value>> From<T> for ToSqlOutput<'a> {
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `types::to_sql::ToSqlOutput<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: downstream crates may implement trait `std::convert::From<&_>` for type `types::value::Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusqlite`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ae1be26ea5d9f166885fd4b98422609421adc46aa447ff094f1fdcb3907f1c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1be26ea5d9f166885fd4b98422609421adc46aa447ff094f1fdcb3907f1c8b", kill_on_drop: false }`
[INFO] [stdout] ae1be26ea5d9f166885fd4b98422609421adc46aa447ff094f1fdcb3907f1c8b
