[INFO] cloning repository https://github.com/CPSSD/heracles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CPSSD/heracles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCPSSD%2Fheracles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCPSSD%2Fheracles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73d83c777cdc8c25abae434611e30299dd14e9ab
[INFO] checking CPSSD/heracles against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCPSSD%2Fheracles" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CPSSD/heracles on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CPSSD/heracles
[INFO] finished tweaking git repo https://github.com/CPSSD/heracles
[INFO] tweaked toml for git repo https://github.com/CPSSD/heracles written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/CPSSD/heracles already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--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 amq-protocol-codegen v0.27.0
[INFO] [stderr]   Downloaded amq-protocol-types v0.20.0
[INFO] [stderr]   Downloaded cc v1.0.9
[INFO] [stderr]   Downloaded syn v0.12.14
[INFO] [stderr]   Downloaded semver v0.4.1
[INFO] [stderr]   Downloaded amq-protocol v0.19.1
[INFO] [stderr]   Downloaded grpc-rust v0.1.0
[INFO] [stderr]   Downloaded cookie-factory v0.2.2
[INFO] [stderr]   Downloaded lapin-futures v0.10.0
[INFO] [stderr]   Downloaded grpc-compiler v0.2.1
[INFO] [stderr]   Downloaded protoc-rust v1.5.0
[INFO] [stderr]   Downloaded hostname v0.1.4
[INFO] [stderr]   Downloaded protoc v1.5.0
[INFO] [stderr]   Downloaded tls-api v0.1.14
[INFO] [stderr]   Downloaded tls-api-stub v0.1.14
[INFO] [stderr]   Downloaded protoc-rust-grpc v0.2.1
[INFO] [stderr]   Downloaded bson v0.10.0
[INFO] [stderr]   Downloaded fern v0.5.5
[INFO] [stderr]   Downloaded serde-hjson v0.8.1
[INFO] [stderr]   Downloaded sasl v0.4.1
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.1
[INFO] [stderr]   Downloaded tokio-tls-api v0.1.14
[INFO] [stderr]   Downloaded lapin-async v0.10.0
[INFO] [stderr]   Downloaded grpc v0.2.1
[INFO] [stderr]   Downloaded uuid v0.6.2
[INFO] [stderr]   Downloaded tokio-executor v0.1.1
[INFO] [stderr]   Downloaded tokio v0.1.4
[INFO] [stderr]   Downloaded httpbis v0.4.1
[INFO] [stderr]   Downloaded futures v0.1.19
[INFO] [stderr]   Downloaded protobuf v1.5.0
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 102d09686bbc0df89af83681fd822fd08cb92640951dfd10b968396944734fdf
[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" "102d09686bbc0df89af83681fd822fd08cb92640951dfd10b968396944734fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "102d09686bbc0df89af83681fd822fd08cb92640951dfd10b968396944734fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102d09686bbc0df89af83681fd822fd08cb92640951dfd10b968396944734fdf", kill_on_drop: false }`
[INFO] [stdout] 102d09686bbc0df89af83681fd822fd08cb92640951dfd10b968396944734fdf
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f98ce7dc879472d8cebe3b6d81b17594f362946291172b50cbc26112f6b511f4
[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" "f98ce7dc879472d8cebe3b6d81b17594f362946291172b50cbc26112f6b511f4", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking futures v0.1.19
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking serde v1.0.36
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling cookie-factory v0.2.2
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking hostname v0.1.4
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking uuid v0.6.2
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tls-api v0.1.14
[INFO] [stderr]     Checking fern v0.5.5
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling protoc v1.5.0
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking tokio-executor v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking sasl v0.4.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking protobuf v1.5.0
[INFO] [stderr]     Checking tls-api-stub v0.1.14
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.1
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling synstructure v0.6.1
[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-1.7.0/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 rayon v1.0.1
[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` due to 2 previous errors
[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-1.7.0/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] [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" "f98ce7dc879472d8cebe3b6d81b17594f362946291172b50cbc26112f6b511f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f98ce7dc879472d8cebe3b6d81b17594f362946291172b50cbc26112f6b511f4", kill_on_drop: false }`
[INFO] [stdout] f98ce7dc879472d8cebe3b6d81b17594f362946291172b50cbc26112f6b511f4