[INFO] updating cached repository https://github.com/futurice/rusty-build-light
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba2aa17d559ea220ca6a3dcfac87e3068b7f802e
[INFO] checking futurice/rusty-build-light against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuturice%2Frusty-build-light" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/futurice/rusty-build-light on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/futurice/rusty-build-light
[INFO] finished tweaking git repo https://github.com/futurice/rusty-build-light
[INFO] tweaked toml for git repo https://github.com/futurice/rusty-build-light written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/futurice/rusty-build-light already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bec25d7f2d9db7e7cc40d3c14d3d49db8e4441e1027b3032a332aa0d74197b02
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bec25d7f2d9db7e7cc40d3c14d3d49db8e4441e1027b3032a332aa0d74197b02"`
[INFO] [stderr]     Checking libc v0.2.35
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling openssl v0.9.23
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]    Compiling rusty_build_light v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.0
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr] warning: unused import: `std::ffi::OsString`
[INFO] [stderr]  --> build.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ffi::OsString;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking url v1.6.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking humantime v1.0.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking serde-value v0.5.1
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]     Checking libflate v0.1.14
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.23
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling wiringpi v0.2.4
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[INFO] [stderr] error: could not compile `url`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bec25d7f2d9db7e7cc40d3c14d3d49db8e4441e1027b3032a332aa0d74197b02"`
[INFO] running `"docker" "rm" "-f" "bec25d7f2d9db7e7cc40d3c14d3d49db8e4441e1027b3032a332aa0d74197b02"`
[INFO] [stdout] bec25d7f2d9db7e7cc40d3c14d3d49db8e4441e1027b3032a332aa0d74197b02