[INFO] updating cached repository Xion/cargo-download
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Xion/cargo-download
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Xion/cargo-download" "work/ex/beta-1.38-1/sources/1.37.0/gh/Xion/cargo-download"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Xion/cargo-download'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Xion/cargo-download" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Xion/cargo-download"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Xion/cargo-download'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b73f6ced56799757945d5bdf2e03df32e9b9ed39
[INFO] sha for GitHub repo Xion/cargo-download: b73f6ced56799757945d5bdf2e03df32e9b9ed39
[INFO] validating manifest of Xion/cargo-download on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Xion/cargo-download on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Xion/cargo-download
[INFO] finished frobbing Xion/cargo-download
[INFO] frobbed toml for Xion/cargo-download written to work/ex/beta-1.38-1/sources/1.37.0/gh/Xion/cargo-download/Cargo.toml
[INFO] started frobbing Xion/cargo-download
[INFO] finished frobbing Xion/cargo-download
[INFO] frobbed toml for Xion/cargo-download written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Xion/cargo-download/Cargo.toml
[INFO] crate Xion/cargo-download already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Xion/cargo-download against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Xion/cargo-download:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9090cb127a6aa4041cb54ba768233af78510cda19a79b4e281f58415d3689402
[INFO] running `"docker" "start" "-a" "9090cb127a6aa4041cb54ba768233af78510cda19a79b4e281f58415d3689402"`
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling crc32fast v1.1.1
[INFO] [stderr]    Compiling serde v1.0.21
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling tokio-timer v0.2.5
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling isatty v0.1.5
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling filetime v0.1.14
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling derive-error v0.0.3
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.7
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/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]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling clap v2.27.1
[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 thread-id v2.0.0
[INFO] [stderr]    Compiling tar v0.4.13
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.6
[INFO] [stderr]    Compiling serde_urlencoded v0.5.1
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling h2 v0.1.13
[INFO] [stderr]    Compiling slog-stdlog v1.1.0
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling slog-envlogger v0.5.0
[INFO] [stderr]    Compiling hyper v0.12.16
[INFO] [stderr]    Compiling hyper-tls v0.3.1
[INFO] [stderr]    Compiling reqwest v0.9.5
[INFO] [stderr]    Compiling cargo-download v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args.rs:233:32
[INFO] [stderr]     |
[INFO] [stderr] 233 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args.rs:267:32
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/logging.rs:104:35
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn format(&self, output: &mut io::Write,
[INFO] [stderr]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:158:62
[INFO] [stderr]     |
[INFO] [stderr] 158 | fn get_newest_version(crate_: &Crate) -> Result<Version, Box<Error>> {
[INFO] [stderr]     |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:185:73
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn download_crate(name: &str, version: &Version) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 15s
[INFO] running `"docker" "inspect" "9090cb127a6aa4041cb54ba768233af78510cda19a79b4e281f58415d3689402"`
[INFO] running `"docker" "rm" "-f" "9090cb127a6aa4041cb54ba768233af78510cda19a79b4e281f58415d3689402"`
[INFO] [stdout] 9090cb127a6aa4041cb54ba768233af78510cda19a79b4e281f58415d3689402
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Xion/cargo-download:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0a1edab04f79efb8723cbcfa92c306cd70e852fef3973c6b2ff0b1a3411e68d3
[INFO] running `"docker" "start" "-a" "0a1edab04f79efb8723cbcfa92c306cd70e852fef3973c6b2ff0b1a3411e68d3"`
[INFO] [stderr]    Compiling cargo-download v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args.rs:233:32
[INFO] [stderr]     |
[INFO] [stderr] 233 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args.rs:267:32
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/logging.rs:104:35
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn format(&self, output: &mut io::Write,
[INFO] [stderr]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:158:62
[INFO] [stderr]     |
[INFO] [stderr] 158 | fn get_newest_version(crate_: &Crate) -> Result<Version, Box<Error>> {
[INFO] [stderr]     |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:185:73
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn download_crate(name: &str, version: &Version) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `"docker" "inspect" "0a1edab04f79efb8723cbcfa92c306cd70e852fef3973c6b2ff0b1a3411e68d3"`
[INFO] running `"docker" "rm" "-f" "0a1edab04f79efb8723cbcfa92c306cd70e852fef3973c6b2ff0b1a3411e68d3"`
[INFO] [stdout] 0a1edab04f79efb8723cbcfa92c306cd70e852fef3973c6b2ff0b1a3411e68d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Xion/cargo-download:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 8b4b15e60b9474dd5e9f5f259a01d8c003d04aee4909931b405cac30e71613ca
[INFO] running `"docker" "start" "-a" "8b4b15e60b9474dd5e9f5f259a01d8c003d04aee4909931b405cac30e71613ca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_download-aef11ce69fdac837
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test logging::tests::default_level ... ok
[INFO] [stdout] test logging::tests::verbosity_levels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8b4b15e60b9474dd5e9f5f259a01d8c003d04aee4909931b405cac30e71613ca"`
[INFO] running `"docker" "rm" "-f" "8b4b15e60b9474dd5e9f5f259a01d8c003d04aee4909931b405cac30e71613ca"`
[INFO] [stdout] 8b4b15e60b9474dd5e9f5f259a01d8c003d04aee4909931b405cac30e71613ca