[INFO] cloning repository https://github.com/vmchale/tw-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vmchale/tw-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmchale%2Ftw-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmchale%2Ftw-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5dde302fef3f36fb495e810974c3b91d28f94e90
[INFO] testing vmchale/tw-rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmchale%2Ftw-rs" "/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/vmchale/tw-rs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vmchale/tw-rs
[INFO] finished tweaking git repo https://github.com/vmchale/tw-rs
[INFO] tweaked toml for git repo https://github.com/vmchale/tw-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/vmchale/tw-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.test
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd2464280b50b627c7b3673f8758a095d550c2c90f2125e836b5f20a7b90fede
[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" "dd2464280b50b627c7b3673f8758a095d550c2c90f2125e836b5f20a7b90fede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd2464280b50b627c7b3673f8758a095d550c2c90f2125e836b5f20a7b90fede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2464280b50b627c7b3673f8758a095d550c2c90f2125e836b5f20a7b90fede", kill_on_drop: false }`
[INFO] [stdout] dd2464280b50b627c7b3673f8758a095d550c2c90f2125e836b5f20a7b90fede
[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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64e66bc7042b7ddcb4df6d3647420316c61a5aab71ad4d4c491d37aefad61d00
[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" "64e66bc7042b7ddcb4df6d3647420316c61a5aab71ad4d4c491d37aefad61d00", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.test
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling openssl-probe v0.1.1
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling colored v1.5.2
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling nom v3.2.0
[INFO] [stderr]    Compiling libz-sys v1.0.16
[INFO] [stderr]    Compiling curl-sys v0.2.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling clap v2.26.0
[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` 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" "64e66bc7042b7ddcb4df6d3647420316c61a5aab71ad4d4c491d37aefad61d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e66bc7042b7ddcb4df6d3647420316c61a5aab71ad4d4c491d37aefad61d00", kill_on_drop: false }`
[INFO] [stdout] 64e66bc7042b7ddcb4df6d3647420316c61a5aab71ad4d4c491d37aefad61d00