[INFO] cloning repository https://github.com/Ralith/rackup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ralith/rackup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRalith%2Frackup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRalith%2Frackup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3a89aca871e1ff2be4d1c505b8a5ab29ea427dc
[INFO] testing Ralith/rackup against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRalith%2Frackup" "/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/Ralith/rackup 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/Ralith/rackup
[INFO] finished tweaking git repo https://github.com/Ralith/rackup
[INFO] tweaked toml for git repo https://github.com/Ralith/rackup written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Ralith/rackup 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46759fbecb9c87ca0847f54b635e95c62d097ec343b48f0ecba0928c0eeddb2e
[INFO] running `Command { std: "docker" "start" "-a" "46759fbecb9c87ca0847f54b635e95c62d097ec343b48f0ecba0928c0eeddb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46759fbecb9c87ca0847f54b635e95c62d097ec343b48f0ecba0928c0eeddb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46759fbecb9c87ca0847f54b635e95c62d097ec343b48f0ecba0928c0eeddb2e", kill_on_drop: false }`
[INFO] [stdout] 46759fbecb9c87ca0847f54b635e95c62d097ec343b48f0ecba0928c0eeddb2e
[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] 77b68ec8faced6f706e1e62365da51d5019900c02621f4284885e33ac2345270
[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" "77b68ec8faced6f706e1e62365da51d5019900c02621f4284885e33ac2345270", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling slog v2.1.1
[INFO] [stderr]    Compiling dangerous_option v0.2.0
[INFO] [stderr]    Compiling rdedup-cdc v0.1.0
[INFO] [stderr]    Compiling same-file v1.0.1
[INFO] [stderr]    Compiling two-lock-queue v0.1.1
[INFO] [stderr]    Compiling bytevec v0.2.0
[INFO] [stderr]    Compiling yapb v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling fs2 v0.4.2
[INFO] [stderr]    Compiling rand v0.3.19
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling rpassword v2.0.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling walkdir v2.0.1
[INFO] [stderr]    Compiling slog-perf v0.2.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling openssl-sys v0.9.23
[INFO] [stderr]    Compiling libsodium-sys v0.0.15
[INFO] [stderr]    Compiling rust-lzma v0.2.1
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling zstd-sys v1.4.2+zstd.1.3.3
[INFO] [stderr]    Compiling sgdata v0.1.0 (https://github.com/dpc/rdedup.git#bb7bcf79)
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling flate2 v0.2.20
[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-1.6.0/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: 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" "77b68ec8faced6f706e1e62365da51d5019900c02621f4284885e33ac2345270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b68ec8faced6f706e1e62365da51d5019900c02621f4284885e33ac2345270", kill_on_drop: false }`
[INFO] [stdout] 77b68ec8faced6f706e1e62365da51d5019900c02621f4284885e33ac2345270