[INFO] cloning repository https://github.com/verokarhu/mehubot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/verokarhu/mehubot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverokarhu%2Fmehubot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverokarhu%2Fmehubot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83043563da88e53712c4b0bb8c2038d13e4857ff
[INFO] testing verokarhu/mehubot against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fverokarhu%2Fmehubot" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/verokarhu/mehubot on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/verokarhu/mehubot
[INFO] finished tweaking git repo https://github.com/verokarhu/mehubot
[INFO] tweaked toml for git repo https://github.com/verokarhu/mehubot written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/verokarhu/mehubot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusqlite v0.13.0
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
[INFO] [stderr]   Downloaded slab v0.3.0
[INFO] [stderr]   Downloaded uuid v0.5.1
[INFO] [stderr]   Downloaded mio v0.6.12
[INFO] [stderr]   Downloaded mime v0.3.5
[INFO] [stderr]   Downloaded unicase v2.1.0
[INFO] [stderr]   Downloaded tokio-core v0.1.12
[INFO] [stderr]   Downloaded take v0.1.0
[INFO] [stderr]   Downloaded tokio-proto v0.1.1
[INFO] [stderr]   Downloaded wincolor v0.1.4
[INFO] [stderr]   Downloaded base64 v0.9.0
[INFO] [stderr]   Downloaded regex v0.2.5
[INFO] [stderr]   Downloaded num-traits v0.1.42
[INFO] [stderr]   Downloaded termcolor v0.3.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.5
[INFO] [stderr]   Downloaded atty v0.2.6
[INFO] [stderr]   Downloaded build_const v0.2.0
[INFO] [stderr]   Downloaded tokio-io v0.1.4
[INFO] [stderr]   Downloaded openssl v0.9.23
[INFO] [stderr]   Downloaded num v0.1.41
[INFO] [stderr]   Downloaded smallvec v0.2.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.24
[INFO] [stderr]   Downloaded security-framework-sys v0.1.16
[INFO] [stderr]   Downloaded net2 v0.2.31
[INFO] [stderr]   Downloaded hyper v0.11.15
[INFO] [stderr]   Downloaded tokio-tls v0.1.4
[INFO] [stderr]   Downloaded rand v0.3.20
[INFO] [stderr]   Downloaded linked-hash-map v0.4.2
[INFO] [stderr]   Downloaded libsqlite3-sys v0.9.1
[INFO] [stderr]   Downloaded env_logger v0.5.3
[INFO] [stderr]   Downloaded reqwest v0.8.4
[INFO] [stderr]   Downloaded native-tls v0.1.5
[INFO] [stderr]   Downloaded relay v0.1.0
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.1
[INFO] [stderr]   Downloaded libflate v0.1.14
[INFO] [stderr]   Downloaded hyper-tls v0.1.2
[INFO] [stderr]   Downloaded futures v0.1.18
[INFO] [stderr]   Downloaded lru-cache v0.1.1
[INFO] [stderr]   Downloaded security-framework v0.1.16
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17d926919a675ce52fb25a72525ad170dcae7d7c56fd7d81f5abaf7ffd927e0a
[INFO] running `Command { std: "docker" "start" "-a" "17d926919a675ce52fb25a72525ad170dcae7d7c56fd7d81f5abaf7ffd927e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17d926919a675ce52fb25a72525ad170dcae7d7c56fd7d81f5abaf7ffd927e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d926919a675ce52fb25a72525ad170dcae7d7c56fd7d81f5abaf7ffd927e0a", kill_on_drop: false }`
[INFO] [stdout] 17d926919a675ce52fb25a72525ad170dcae7d7c56fd7d81f5abaf7ffd927e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a620dc49eaee096a9f7ec933eed63c4c3cc1cd42a5ce2a1ab5a79da342083a91
[INFO] running `Command { std: "docker" "start" "-a" "a620dc49eaee096a9f7ec933eed63c4c3cc1cd42a5ce2a1ab5a79da342083a91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling openssl v0.9.23
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling linked-hash-map v0.4.2
[INFO] [stderr]    Compiling termcolor v0.3.3
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling base64 v0.9.0
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling relay v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.1
[INFO] [stderr]    Compiling mio v0.6.12
[INFO] [stderr]    Compiling openssl-sys v0.9.24
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling rusqlite v0.13.0
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling mime v0.3.5
[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] [stderr]    Compiling phf_codegen v0.7.21
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[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 E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a620dc49eaee096a9f7ec933eed63c4c3cc1cd42a5ce2a1ab5a79da342083a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a620dc49eaee096a9f7ec933eed63c4c3cc1cd42a5ce2a1ab5a79da342083a91", kill_on_drop: false }`
[INFO] [stdout] a620dc49eaee096a9f7ec933eed63c4c3cc1cd42a5ce2a1ab5a79da342083a91