[INFO] cloning repository https://github.com/not-inept/dict-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/not-inept/dict-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-inept%2Fdict-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-inept%2Fdict-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9e69bea3d3be53ccaada01a3144cdaf1598a37f
[INFO] checking not-inept/dict-bot against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-inept%2Fdict-bot" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/not-inept/dict-bot on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/not-inept/dict-bot
[INFO] finished tweaking git repo https://github.com/not-inept/dict-bot
[INFO] tweaked toml for git repo https://github.com/not-inept/dict-bot written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/not-inept/dict-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.32
[INFO] [stderr]   Downloaded schannel v0.1.9
[INFO] [stderr]   Downloaded openssl-sys v0.9.23
[INFO] [stderr]   Downloaded base64 v0.7.0
[INFO] [stderr]   Downloaded mime v0.3.5
[INFO] [stderr]   Downloaded relay v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.23
[INFO] [stderr]   Downloaded tokio-io v0.1.4
[INFO] [stderr]   Downloaded serde_json v1.0.7
[INFO] [stderr]   Downloaded hyper v0.11.8
[INFO] [stderr]   Downloaded parking_lot_core v0.2.7
[INFO] [stderr]   Downloaded openssl v0.9.23
[INFO] [stderr]   Downloaded mime_guess v1.8.3
[INFO] [stderr]   Downloaded serde_derive v1.0.23
[INFO] [stderr]   Downloaded evzht9h3nznqzwl v0.0.2
[INFO] [stderr]   Downloaded serenity v0.4.3
[INFO] [stderr]   Downloaded multipart v0.13.5
[INFO] [stderr]   Downloaded quick-xml v0.10.0
[INFO] [stderr]   Downloaded encoding_rs v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0d65fc6234a5a2591d89aaa8da1b3a8b36c721b73dc72c3e4f9eb4b6dbbf162
[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" "d0d65fc6234a5a2591d89aaa8da1b3a8b36c721b73dc72c3e4f9eb4b6dbbf162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0d65fc6234a5a2591d89aaa8da1b3a8b36c721b73dc72c3e4f9eb4b6dbbf162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d65fc6234a5a2591d89aaa8da1b3a8b36c721b73dc72c3e4f9eb4b6dbbf162", kill_on_drop: false }`
[INFO] [stdout] d0d65fc6234a5a2591d89aaa8da1b3a8b36c721b73dc72c3e4f9eb4b6dbbf162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 9a49f8856f265a219791e5255844702493e4f0b7ac8b15e522f899a1c15b9a95
[INFO] running `Command { std: "docker" "start" "-a" "9a49f8856f265a219791e5255844702493e4f0b7ac8b15e522f899a1c15b9a95", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.23
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking encoding_rs v0.7.1
[INFO] [stderr]     Checking base64 v0.7.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling mime_guess v1.8.3
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking serde_json v1.0.7
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking memchr v2.0.1
[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-1.6.0/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`
[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" "9a49f8856f265a219791e5255844702493e4f0b7ac8b15e522f899a1c15b9a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a49f8856f265a219791e5255844702493e4f0b7ac8b15e522f899a1c15b9a95", kill_on_drop: false }`
[INFO] [stdout] 9a49f8856f265a219791e5255844702493e4f0b7ac8b15e522f899a1c15b9a95