[INFO] cloning repository https://github.com/crossdot/rust_ssr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crossdot/rust_ssr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrossdot%2Frust_ssr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrossdot%2Frust_ssr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48cac0979b723c908700ceefea989dd3a25e5bbe
[INFO] testing crossdot/rust_ssr against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrossdot%2Frust_ssr" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crossdot/rust_ssr on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crossdot/rust_ssr
[INFO] finished tweaking git repo https://github.com/crossdot/rust_ssr
[INFO] tweaked toml for git repo https://github.com/crossdot/rust_ssr written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/crossdot/rust_ssr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97f9c50c49bb3fe8d01c8b6e83e812bf395ef3efa4d36ec4c26e2f62faec6e8f
[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" "97f9c50c49bb3fe8d01c8b6e83e812bf395ef3efa4d36ec4c26e2f62faec6e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97f9c50c49bb3fe8d01c8b6e83e812bf395ef3efa4d36ec4c26e2f62faec6e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f9c50c49bb3fe8d01c8b6e83e812bf395ef3efa4d36ec4c26e2f62faec6e8f", kill_on_drop: false }`
[INFO] [stdout] 97f9c50c49bb3fe8d01c8b6e83e812bf395ef3efa4d36ec4c26e2f62faec6e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa42f35ef9de512ef2e9e4aae814d00aac9ff086863c7c6e1f37b9b00ed35cbf
[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" "aa42f35ef9de512ef2e9e4aae814d00aac9ff086863c7c6e1f37b9b00ed35cbf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling serde v1.0.11
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.0
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling sequence_trie v0.2.1
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling ego-tree v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling utf-8 v0.7.1
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling cssparser v0.5.8
[INFO] [stderr]    Compiling nodrop v0.1.9
[INFO] [stderr]    Compiling futf v0.1.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling net2 v0.2.30
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]    Compiling quickersort v2.2.0
[INFO] [stderr]    Compiling tendril v0.3.1
[INFO] [stderr]    Compiling tendril v0.2.4
[INFO] [stderr]    Compiling bytes v0.4.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling mio v0.6.10
[INFO] [stderr]    Compiling tokio-io v0.1.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling tokio-core v0.1.9
[INFO] [stderr]    Compiling string_cache 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-1.5.1/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` 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" "aa42f35ef9de512ef2e9e4aae814d00aac9ff086863c7c6e1f37b9b00ed35cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa42f35ef9de512ef2e9e4aae814d00aac9ff086863c7c6e1f37b9b00ed35cbf", kill_on_drop: false }`
[INFO] [stdout] aa42f35ef9de512ef2e9e4aae814d00aac9ff086863c7c6e1f37b9b00ed35cbf