[INFO] cloning repository https://github.com/brandur/middleware-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brandur/middleware-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrandur%2Fmiddleware-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrandur%2Fmiddleware-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14706c69f8c99369ed85d1105df8ebc42c85fa8b
[INFO] checking brandur/middleware-rust against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrandur%2Fmiddleware-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brandur/middleware-rust on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brandur/middleware-rust
[INFO] finished tweaking git repo https://github.com/brandur/middleware-rust
[INFO] tweaked toml for git repo https://github.com/brandur/middleware-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/brandur/middleware-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b72c62c0f4c79301962f9a5f4dd2658165bb674183cb6e053e976e8ecdd362b
[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" "2b72c62c0f4c79301962f9a5f4dd2658165bb674183cb6e053e976e8ecdd362b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b72c62c0f4c79301962f9a5f4dd2658165bb674183cb6e053e976e8ecdd362b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b72c62c0f4c79301962f9a5f4dd2658165bb674183cb6e053e976e8ecdd362b", kill_on_drop: false }`
[INFO] [stdout] 2b72c62c0f4c79301962f9a5f4dd2658165bb674183cb6e053e976e8ecdd362b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] 2277f436d46c33257ef471db7dd5931208e48123a9736ec11ae810156a285d05
[INFO] running `Command { std: "docker" "start" "-a" "2277f436d46c33257ef471db7dd5931208e48123a9736ec11ae810156a285d05", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling scopeguard v0.3.3
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[INFO] [stderr]    Compiling memoffset v0.2.1
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[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling bytecount v0.2.0
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[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking futures v0.1.18
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[INFO] [stderr]     Checking take_mut v0.2.0
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[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
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[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking base64 v0.6.0
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[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking num_cpus v1.8.0
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[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking mio v0.6.13
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking slog-async v2.2.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling remove_dir_all v0.3.0
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tokio-io v0.1.5
[INFO] [stderr]     Checking http v0.1.5
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling tempdir v0.3.6
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling mime_guess v1.8.4
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking slog-term v2.3.0
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking tokio-signal v0.1.4
[INFO] [stderr]     Checking env_logger v0.5.4
[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: 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" "2277f436d46c33257ef471db7dd5931208e48123a9736ec11ae810156a285d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2277f436d46c33257ef471db7dd5931208e48123a9736ec11ae810156a285d05", kill_on_drop: false }`
[INFO] [stdout] 2277f436d46c33257ef471db7dd5931208e48123a9736ec11ae810156a285d05