[INFO] cloning repository https://github.com/Xion/cargo-download
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xion/cargo-download" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXion%2Fcargo-download"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXion%2Fcargo-download'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b73f6ced56799757945d5bdf2e03df32e9b9ed39
[INFO] testing Xion/cargo-download against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXion%2Fcargo-download" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xion/cargo-download on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Xion/cargo-download
[INFO] finished tweaking git repo https://github.com/Xion/cargo-download
[INFO] tweaked toml for git repo https://github.com/Xion/cargo-download written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Xion/cargo-download already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 108d90d7a5e42d213a90a7b8e479a10a278651b3aac80c0c03d23ba0f2529e25
[INFO] running `"docker" "start" "-a" "108d90d7a5e42d213a90a7b8e479a10a278651b3aac80c0c03d23ba0f2529e25"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling lazy_static v0.2.10
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling string v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.1.1
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]    Compiling serde v1.0.21
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling maplit v0.1.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling isatty v0.1.5
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling filetime v0.1.14
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling mime v0.3.12
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling tokio-timer v0.2.5
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling futures-cpupool v0.1.7
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling tar v0.4.13
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling phf_generator v0.7.21
[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]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.14
[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] 
[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 `"docker" "inspect" "108d90d7a5e42d213a90a7b8e479a10a278651b3aac80c0c03d23ba0f2529e25"`
[INFO] running `"docker" "rm" "-f" "108d90d7a5e42d213a90a7b8e479a10a278651b3aac80c0c03d23ba0f2529e25"`
[INFO] [stdout] 108d90d7a5e42d213a90a7b8e479a10a278651b3aac80c0c03d23ba0f2529e25