[INFO] cloning repository https://github.com/brson/coingrab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brson/coingrab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fcoingrab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fcoingrab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6eda42ac5f3acb155a33c92f2594ed83cd9e9384
[INFO] testing brson/coingrab against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fcoingrab" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brson/coingrab on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brson/coingrab
[INFO] finished tweaking git repo https://github.com/brson/coingrab
[INFO] tweaked toml for git repo https://github.com/brson/coingrab written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/brson/coingrab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87675c350f09a1c33512b2c55d9922d465e3329d23f1a61a77a1b466c3dea342
[INFO] running `Command { std: "docker" "start" "-a" "87675c350f09a1c33512b2c55d9922d465e3329d23f1a61a77a1b466c3dea342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87675c350f09a1c33512b2c55d9922d465e3329d23f1a61a77a1b466c3dea342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87675c350f09a1c33512b2c55d9922d465e3329d23f1a61a77a1b466c3dea342", kill_on_drop: false }`
[INFO] [stdout] 87675c350f09a1c33512b2c55d9922d465e3329d23f1a61a77a1b466c3dea342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7c7fa64e8e85e120b06f6466edff3e00ed4adb90659563a0b7034a658fd9c33
[INFO] running `Command { std: "docker" "start" "-a" "c7c7fa64e8e85e120b06f6466edff3e00ed4adb90659563a0b7034a658fd9c33", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.50
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling openssl v0.9.13
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling cfg-if v0.1.1
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling num_cpus v1.5.1
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling fs2 v0.4.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling toml v0.4.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.3
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling futf v0.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling libflate v0.1.7
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling tendril v0.2.4
[INFO] [stderr]    Compiling idna v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling fancy_flocks v0.1.0 (/opt/rustwide/workdir/fancy_flocks)
[INFO] [stderr]    Compiling string_cache_codegen v0.3.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> fancy_flocks/src/dirty_flock.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let mut file = file.deref_mut().as_mut().expect("locked file");
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> fancy_flocks/src/dirty_flock.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |             let mut file = file_.deref_mut().as_mut().expect("locked file");
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num v0.1.39
[INFO] [stderr]    Compiling chrono v0.3.1
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling openssl-sys v0.9.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling url v1.4.1
[INFO] [stderr]    Compiling string_cache v0.4.0
[INFO] [stderr]    Compiling html5ever-atoms v0.2.2
[INFO] [stderr]    Compiling regex v0.2.2
[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-1.4.1/src/form_urlencoded.rs:248:40
[INFO] [stdout]     |
[INFO] [stdout] 246 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 247 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 248 |     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" "c7c7fa64e8e85e120b06f6466edff3e00ed4adb90659563a0b7034a658fd9c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c7fa64e8e85e120b06f6466edff3e00ed4adb90659563a0b7034a658fd9c33", kill_on_drop: false }`
[INFO] [stdout] c7c7fa64e8e85e120b06f6466edff3e00ed4adb90659563a0b7034a658fd9c33