[INFO] cloning repository https://github.com/luogni/mtb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luogni/mtb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluogni%2Fmtb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluogni%2Fmtb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5ae5d30ada8f2fc94fafe4db6bdfead7f994d35
[INFO] testing luogni/mtb against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluogni%2Fmtb" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luogni/mtb on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luogni/mtb
[INFO] finished tweaking git repo https://github.com/luogni/mtb
[INFO] tweaked toml for git repo https://github.com/luogni/mtb written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/luogni/mtb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/AtheMathmo/rusty-machine`
[INFO] [stderr]     Updating git repository `https://github.com/luogni/slippy-map-tiles-rs.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-chain v0.9.0
[INFO] [stderr]   Downloaded gif v0.9.0
[INFO] [stderr]   Downloaded itertools v0.5.9
[INFO] [stderr]   Downloaded aho-corasick v0.6.2
[INFO] [stderr]   Downloaded hyper v0.10.4
[INFO] [stderr]   Downloaded deque v0.3.1
[INFO] [stderr]   Downloaded either v1.0.3
[INFO] [stderr]   Downloaded rayon v0.6.0
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.11
[INFO] [stderr]   Downloaded backtrace-sys v0.1.10
[INFO] [stderr]   Downloaded adler32 v0.3.0
[INFO] [stderr]   Downloaded image v0.12.2
[INFO] [stderr]   Downloaded quickcheck v0.2.27
[INFO] [stderr]   Downloaded xml-rs v0.3.5
[INFO] [stderr]   Downloaded gcc v0.3.43
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded docopt v0.7.0
[INFO] [stderr]   Downloaded deflate v0.7.4
[INFO] [stderr]   Downloaded matrixmultiply v0.1.13
[INFO] [stderr]   Downloaded nalgebra v0.5.1
[INFO] [stderr]   Downloaded imageproc v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccf424911fe4eee015fb0ea0c2e54cdc2eb266f6d4ed37f251bad07605077ff7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ccf424911fe4eee015fb0ea0c2e54cdc2eb266f6d4ed37f251bad07605077ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf424911fe4eee015fb0ea0c2e54cdc2eb266f6d4ed37f251bad07605077ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf424911fe4eee015fb0ea0c2e54cdc2eb266f6d4ed37f251bad07605077ff7", kill_on_drop: false }`
[INFO] [stdout] ccf424911fe4eee015fb0ea0c2e54cdc2eb266f6d4ed37f251bad07605077ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc1e21e43495adcb9508e859d0007d58cd8f0ab17a005e5b9cf1895242bb5a86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc1e21e43495adcb9508e859d0007d58cd8f0ab17a005e5b9cf1895242bb5a86", 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]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling either v1.0.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling deflate v0.7.4
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling itertools v0.5.9
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.6.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling thread_local v0.3.2
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling nalgebra v0.5.1
[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-1.4.0/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] [stderr]    Compiling jpeg-decoder v0.1.11
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cc1e21e43495adcb9508e859d0007d58cd8f0ab17a005e5b9cf1895242bb5a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1e21e43495adcb9508e859d0007d58cd8f0ab17a005e5b9cf1895242bb5a86", kill_on_drop: false }`
[INFO] [stdout] cc1e21e43495adcb9508e859d0007d58cd8f0ab17a005e5b9cf1895242bb5a86