[INFO] cloning repository https://github.com/matematikaadit/putar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matematikaadit/putar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatematikaadit%2Fputar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatematikaadit%2Fputar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87aef2d8ba8335efdc237068ad67956868612db1
[INFO] testing matematikaadit/putar against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatematikaadit%2Fputar" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matematikaadit/putar 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/matematikaadit/putar
[INFO] finished tweaking git repo https://github.com/matematikaadit/putar
[INFO] tweaked toml for git repo https://github.com/matematikaadit/putar written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/matematikaadit/putar 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d713ae85629283c681c42a094d70418b86dee323d418c8893fd7dfd06a2d389
[INFO] running `Command { std: "docker" "start" "-a" "6d713ae85629283c681c42a094d70418b86dee323d418c8893fd7dfd06a2d389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d713ae85629283c681c42a094d70418b86dee323d418c8893fd7dfd06a2d389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d713ae85629283c681c42a094d70418b86dee323d418c8893fd7dfd06a2d389", kill_on_drop: false }`
[INFO] [stdout] 6d713ae85629283c681c42a094d70418b86dee323d418c8893fd7dfd06a2d389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 87f467020c256b6f9cbc4b85b1c9a55e768d40d05b62ad421b1e04ef28796fc3
[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" "87f467020c256b6f9cbc4b85b1c9a55e768d40d05b62ad421b1e04ef28796fc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling unidecode v0.2.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v1.0.15
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling humansize v1.0.1
[INFO] [stderr]    Compiling pest v0.4.1
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling slug v0.1.2
[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-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 251 |     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" "87f467020c256b6f9cbc4b85b1c9a55e768d40d05b62ad421b1e04ef28796fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f467020c256b6f9cbc4b85b1c9a55e768d40d05b62ad421b1e04ef28796fc3", kill_on_drop: false }`
[INFO] [stdout] 87f467020c256b6f9cbc4b85b1c9a55e768d40d05b62ad421b1e04ef28796fc3