[INFO] crate safe_thing 0.0.3 is already in cache
[INFO] testing safe_thing-0.0.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate safe_thing 0.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate safe_thing 0.0.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safe_thing 0.0.3
[INFO] finished tweaking crates.io crate safe_thing 0.0.3
[INFO] tweaked toml for crates.io crate safe_thing 0.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05421624b3c5d8d140e65ce1cb01ccf54e8d1ae4c61b449f5c8cc0f04cdf5e09
[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" "05421624b3c5d8d140e65ce1cb01ccf54e8d1ae4c61b449f5c8cc0f04cdf5e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05421624b3c5d8d140e65ce1cb01ccf54e8d1ae4c61b449f5c8cc0f04cdf5e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05421624b3c5d8d140e65ce1cb01ccf54e8d1ae4c61b449f5c8cc0f04cdf5e09", kill_on_drop: false }`
[INFO] [stdout] 05421624b3c5d8d140e65ce1cb01ccf54e8d1ae4c61b449f5c8cc0f04cdf5e09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd7891d99dae0a76fd9bd02b4ab120b8558b99e06eabf2eef59d3eacaf447c5e
[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" "cd7891d99dae0a76fd9bd02b4ab120b8558b99e06eabf2eef59d3eacaf447c5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling tiny-keccak v1.3.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling lru_time_cache v0.8.1
[INFO] [stderr]    Compiling fake_clock v0.2.0
[INFO] [stderr]    Compiling alloc-no-stdlib v1.2.0
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling walkdir v2.0.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling brotli-decompressor v1.3.0
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling get_if_addrs v0.4.1
[INFO] [stderr]    Compiling termion v1.4.0
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling textwrap v0.6.0
[INFO] [stderr]    Compiling tar v0.4.29
[INFO] [stderr]    Compiling jni v0.10.2
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.30
[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] [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" "cd7891d99dae0a76fd9bd02b4ab120b8558b99e06eabf2eef59d3eacaf447c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7891d99dae0a76fd9bd02b4ab120b8558b99e06eabf2eef59d3eacaf447c5e", kill_on_drop: false }`
[INFO] [stdout] cd7891d99dae0a76fd9bd02b4ab120b8558b99e06eabf2eef59d3eacaf447c5e