[INFO] cloning repository https://github.com/aergonaut/kensa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aergonaut/kensa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Fkensa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Fkensa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dce6f4ef010419b5fe14d7a37c57c8fab6a2e6a5
[INFO] checking aergonaut/kensa against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faergonaut%2Fkensa" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aergonaut/kensa on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aergonaut/kensa
[INFO] finished tweaking git repo https://github.com/aergonaut/kensa
[INFO] tweaked toml for git repo https://github.com/aergonaut/kensa written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/aergonaut/kensa already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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 rocket_codegen v0.1.2
[INFO] [stderr]   Downloaded diesel_codegen v0.9.0
[INFO] [stderr]   Downloaded pq-sys v0.2.7
[INFO] [stderr]   Downloaded uuid v0.3.1
[INFO] [stderr]   Downloaded url v1.2.4
[INFO] [stderr]   Downloaded syn v0.10.5
[INFO] [stderr]   Downloaded rocket_contrib v0.1.2
[INFO] [stderr]   Downloaded rocket v0.1.2
[INFO] [stderr]   Downloaded serde_derive v0.8.21
[INFO] [stderr]   Downloaded serde_codegen v0.8.21
[INFO] [stderr]   Downloaded diesel v0.9.1
[INFO] [stderr]   Downloaded diesel_codegen_shared v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75e5029e3048bf5d852021c0c77da745fea9aeee4a75aa9f0489a19632ab048f
[INFO] running `Command { std: "docker" "start" "-a" "75e5029e3048bf5d852021c0c77da745fea9aeee4a75aa9f0489a19632ab048f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75e5029e3048bf5d852021c0c77da745fea9aeee4a75aa9f0489a19632ab048f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e5029e3048bf5d852021c0c77da745fea9aeee4a75aa9f0489a19632ab048f", kill_on_drop: false }`
[INFO] [stdout] 75e5029e3048bf5d852021c0c77da745fea9aeee4a75aa9f0489a19632ab048f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d102ab8061bcc619906f142eaf87e2cbdb16c26ee4cc733365a7ce70f83a1e9
[INFO] running `Command { std: "docker" "start" "-a" "7d102ab8061bcc619906f142eaf87e2cbdb16c26ee4cc733365a7ce70f83a1e9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling pq-sys v0.2.7
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]     Checking unicode-bidi v0.2.4
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking term v0.4.4
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling syn v0.10.5
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking term-painter v0.2.3
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling serde_codegen v0.8.21
[INFO] [stderr]     Checking url v1.2.4
[INFO] [stderr]     Checking error-chain v0.7.2
[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-1.2.4/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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: could not compile `url`
[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] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.2.4/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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" "7d102ab8061bcc619906f142eaf87e2cbdb16c26ee4cc733365a7ce70f83a1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d102ab8061bcc619906f142eaf87e2cbdb16c26ee4cc733365a7ce70f83a1e9", kill_on_drop: false }`
[INFO] [stdout] 7d102ab8061bcc619906f142eaf87e2cbdb16c26ee4cc733365a7ce70f83a1e9