[INFO] cloning repository https://github.com/coreos/pr-nagbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coreos/pr-nagbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreos%2Fpr-nagbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreos%2Fpr-nagbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7a3a2c8bc94be97b6f282c54a924afb73272c31
[INFO] checking coreos/pr-nagbot against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreos%2Fpr-nagbot" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coreos/pr-nagbot on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coreos/pr-nagbot
[INFO] finished tweaking git repo https://github.com/coreos/pr-nagbot
[INFO] tweaked toml for git repo https://github.com/coreos/pr-nagbot written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/coreos/pr-nagbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eda8205baa5cb1f486dfc41273ac9a41a1c0dcd6d60069a23b724a424f78bd5d
[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" "eda8205baa5cb1f486dfc41273ac9a41a1c0dcd6d60069a23b724a424f78bd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eda8205baa5cb1f486dfc41273ac9a41a1c0dcd6d60069a23b724a424f78bd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda8205baa5cb1f486dfc41273ac9a41a1c0dcd6d60069a23b724a424f78bd5d", kill_on_drop: false }`
[INFO] [stdout] eda8205baa5cb1f486dfc41273ac9a41a1c0dcd6d60069a23b724a424f78bd5d
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] d0a87d7640afab0c32c4cbd65e3e72f196bd5e706f98a9fa14b885032d975294
[INFO] running `Command { std: "docker" "start" "-a" "d0a87d7640afab0c32c4cbd65e3e72f196bd5e706f98a9fa14b885032d975294", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking untrusted v0.5.0
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking openssl-probe v0.1.1
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking socket2 v0.2.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling coco v0.1.1
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]    Compiling libz-sys v1.0.16
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]    Compiling curl-sys v0.3.14
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[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] [stderr] error: could not compile `url`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[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" "d0a87d7640afab0c32c4cbd65e3e72f196bd5e706f98a9fa14b885032d975294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a87d7640afab0c32c4cbd65e3e72f196bd5e706f98a9fa14b885032d975294", kill_on_drop: false }`
[INFO] [stdout] d0a87d7640afab0c32c4cbd65e3e72f196bd5e706f98a9fa14b885032d975294