[INFO] cloning repository https://github.com/aslamplr/scrabber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aslamplr/scrabber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faslamplr%2Fscrabber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faslamplr%2Fscrabber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 906a11f42572b3f4e8908cab258320aa072211b3
[INFO] checking aslamplr/scrabber against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faslamplr%2Fscrabber" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aslamplr/scrabber on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aslamplr/scrabber
[INFO] finished tweaking git repo https://github.com/aslamplr/scrabber
[INFO] tweaked toml for git repo https://github.com/aslamplr/scrabber written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/aslamplr/scrabber already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded dtoa-short v0.3.2
[INFO] [stderr]   Downloaded scraper v0.7.0
[INFO] [stderr]   Downloaded regex v1.0.1
[INFO] [stderr]   Downloaded encode_unicode v0.3.1
[INFO] [stderr]   Downloaded html5ever v0.22.3
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.1
[INFO] [stderr]   Downloaded markup5ever v0.7.2
[INFO] [stderr]   Downloaded phf_generator v0.7.22
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.4
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.0
[INFO] [stderr]   Downloaded ego-tree v0.5.0
[INFO] [stderr]   Downloaded cssparser v0.23.10
[INFO] [stderr]   Downloaded servo_arc v0.1.1
[INFO] [stderr]   Downloaded selectors v0.19.0
[INFO] [stderr]   Downloaded string_cache v0.7.3
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded tendril v0.4.0
[INFO] [stderr]   Downloaded utf-8 v0.7.2
[INFO] [stderr]   Downloaded phf_codegen v0.7.22
[INFO] [stderr]   Downloaded phf_shared v0.7.22
[INFO] [stderr]   Downloaded procedural-masquerade v0.1.6
[INFO] [stderr]   Downloaded phf v0.7.22
[INFO] [stderr]   Downloaded reqwest v0.8.6
[INFO] [stderr]   Downloaded cssparser-macros v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e17296027e117888898e617992ae78345e3459525d9b486484376446a3153859
[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" "e17296027e117888898e617992ae78345e3459525d9b486484376446a3153859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e17296027e117888898e617992ae78345e3459525d9b486484376446a3153859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17296027e117888898e617992ae78345e3459525d9b486484376446a3153859", kill_on_drop: false }`
[INFO] [stdout] e17296027e117888898e617992ae78345e3459525d9b486484376446a3153859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d7fa7c29b23d98825f820236980b8ae8102e2040d8a458aa06b959fe6bb5d5a
[INFO] running `Command { std: "docker" "start" "-a" "8d7fa7c29b23d98825f820236980b8ae8102e2040d8a458aa06b959fe6bb5d5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking string_cache_shared v0.3.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking encode_unicode v0.3.1
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking ego-tree v0.5.0
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[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-1.7.0/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] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking relay v0.1.1
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8d7fa7c29b23d98825f820236980b8ae8102e2040d8a458aa06b959fe6bb5d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7fa7c29b23d98825f820236980b8ae8102e2040d8a458aa06b959fe6bb5d5a", kill_on_drop: false }`
[INFO] [stdout] 8d7fa7c29b23d98825f820236980b8ae8102e2040d8a458aa06b959fe6bb5d5a