[INFO] cloning repository https://github.com/cygni/snakebot-client-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cygni/snakebot-client-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcygni%2Fsnakebot-client-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcygni%2Fsnakebot-client-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53964389fea1970ae0fb35485aa184dd4ec9206b
[INFO] checking cygni/snakebot-client-rust against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcygni%2Fsnakebot-client-rust" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cygni/snakebot-client-rust on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cygni/snakebot-client-rust
[INFO] finished tweaking git repo https://github.com/cygni/snakebot-client-rust
[INFO] tweaked toml for git repo https://github.com/cygni/snakebot-client-rust written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/cygni/snakebot-client-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v4.2.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56e07196e09b83983701cacb1077a7019f4e1661ce4b7f773509c6ed3b8e8977
[INFO] running `Command { std: "docker" "start" "-a" "56e07196e09b83983701cacb1077a7019f4e1661ce4b7f773509c6ed3b8e8977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56e07196e09b83983701cacb1077a7019f4e1661ce4b7f773509c6ed3b8e8977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e07196e09b83983701cacb1077a7019f4e1661ce4b7f773509c6ed3b8e8977", kill_on_drop: false }`
[INFO] [stdout] 56e07196e09b83983701cacb1077a7019f4e1661ce4b7f773509c6ed3b8e8977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58fc4b27f004928c79ba60253e11a35df3db67001b1369c5f1b12deddea7efb8
[INFO] running `Command { std: "docker" "start" "-a" "58fc4b27f004928c79ba60253e11a35df3db67001b1369c5f1b12deddea7efb8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.6
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking url v1.7.0
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking nom v4.2.0
[INFO] [stderr]    Compiling quote v0.6.11
[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` 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" "58fc4b27f004928c79ba60253e11a35df3db67001b1369c5f1b12deddea7efb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fc4b27f004928c79ba60253e11a35df3db67001b1369c5f1b12deddea7efb8", kill_on_drop: false }`
[INFO] [stdout] 58fc4b27f004928c79ba60253e11a35df3db67001b1369c5f1b12deddea7efb8