[INFO] cloning repository https://github.com/hunterlester/safe_iot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hunterlester/safe_iot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhunterlester%2Fsafe_iot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhunterlester%2Fsafe_iot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcc00dd14ca3d94f17601a0c32e8dd7bdbd58d47
[INFO] testing hunterlester/safe_iot against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhunterlester%2Fsafe_iot" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hunterlester/safe_iot on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hunterlester/safe_iot
[INFO] finished tweaking git repo https://github.com/hunterlester/safe_iot
[INFO] tweaked toml for git repo https://github.com/hunterlester/safe_iot written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/hunterlester/safe_iot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 c_linked_list v1.1.0
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[INFO] [stderr]   Downloaded tiny-keccak v1.3.1
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[INFO] [stderr]   Downloaded moz-cheddar v0.4.2
[INFO] [stderr]   Downloaded serde_derive_internals v0.17.0
[INFO] [stderr]   Downloaded safe_authenticator v0.4.0
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[INFO] [stderr]   Downloaded rust_sodium v0.5.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e91255ff9c911b489228a9055619850e34ea7c17b4ffd52b05b2064bceca1db1
[INFO] running `Command { std: "docker" "start" "-a" "e91255ff9c911b489228a9055619850e34ea7c17b4ffd52b05b2064bceca1db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e91255ff9c911b489228a9055619850e34ea7c17b4ffd52b05b2064bceca1db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91255ff9c911b489228a9055619850e34ea7c17b4ffd52b05b2064bceca1db1", kill_on_drop: false }`
[INFO] [stdout] e91255ff9c911b489228a9055619850e34ea7c17b4ffd52b05b2064bceca1db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5b37f9a717a1a2aeb078040b9f7d5d203ccd4a06795c9651a2b88ffb40567a1
[INFO] running `Command { std: "docker" "start" "-a" "f5b37f9a717a1a2aeb078040b9f7d5d203ccd4a06795c9651a2b88ffb40567a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling serde v1.0.23
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
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[INFO] [stderr]    Compiling quote v0.3.15
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[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling regex-syntax v0.4.1
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[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling unicode-width v0.1.4
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[INFO] [stderr]    Compiling version_check v0.1.3
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[INFO] [stderr]    Compiling atty v0.2.2
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[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling fs2 v0.4.2
[INFO] [stderr]    Compiling termion v1.4.0
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling unsafe-any v0.4.2
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[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling base64 v0.6.0
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[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling msdos_time v0.1.5
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling textwrap v0.6.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling xmltree v0.3.2
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling tar v0.4.14
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling clap v2.25.1
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling syntex_pos v0.58.1
[INFO] [stderr]    Compiling serde_json v1.0.7
[INFO] [stderr]    Compiling serde-value v0.5.1
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling bzip2 v0.3.2
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling tokio-core v0.1.10
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.0
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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] [stderr] error: could not compile `url` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "f5b37f9a717a1a2aeb078040b9f7d5d203ccd4a06795c9651a2b88ffb40567a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b37f9a717a1a2aeb078040b9f7d5d203ccd4a06795c9651a2b88ffb40567a1", kill_on_drop: false }`
[INFO] [stdout] f5b37f9a717a1a2aeb078040b9f7d5d203ccd4a06795c9651a2b88ffb40567a1