[INFO] updating cached repository c-edw/finch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/c-edw/finch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/c-edw/finch" "work/ex/beta-1.38-1/sources/1.37.0/gh/c-edw/finch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/c-edw/finch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/c-edw/finch" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c-edw/finch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c-edw/finch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a04b04081af652cff969a7b9a4d25004737d464e
[INFO] sha for GitHub repo c-edw/finch: a04b04081af652cff969a7b9a4d25004737d464e
[INFO] validating manifest of c-edw/finch 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 c-edw/finch 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 c-edw/finch
[INFO] finished frobbing c-edw/finch
[INFO] frobbed toml for c-edw/finch written to work/ex/beta-1.38-1/sources/1.37.0/gh/c-edw/finch/Cargo.toml
[INFO] started frobbing c-edw/finch
[INFO] finished frobbing c-edw/finch
[INFO] frobbed toml for c-edw/finch written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c-edw/finch/Cargo.toml
[INFO] crate c-edw/finch 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 c-edw/finch against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c-edw/finch:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] dff33adf7057704410732e18cc12c4ffdb755691af8758ae2cc43f3aa679910a
[INFO] running `"docker" "start" "-a" "dff33adf7057704410732e18cc12c4ffdb755691af8758ae2cc43f3aa679910a"`
[INFO] [stderr]    Compiling httparse v1.3.1
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling chrono v0.4.4
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling libflate v0.1.15
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling tokio-io v0.1.7
[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-1.7.0/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 tokio-threadpool v0.1.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.5
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling simplelog v0.5.2
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling reqwest v0.8.6
[INFO] [stderr]    Compiling finch v0.4.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/process.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut req = match client.get(&image.url).send() {
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "dff33adf7057704410732e18cc12c4ffdb755691af8758ae2cc43f3aa679910a"`
[INFO] running `"docker" "rm" "-f" "dff33adf7057704410732e18cc12c4ffdb755691af8758ae2cc43f3aa679910a"`
[INFO] [stdout] dff33adf7057704410732e18cc12c4ffdb755691af8758ae2cc43f3aa679910a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c-edw/finch:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5875d303cfe9480bcb386bf0c8f370c1992270b9cb2c1b3583e9f70496911b5a
[INFO] running `"docker" "start" "-a" "5875d303cfe9480bcb386bf0c8f370c1992270b9cb2c1b3583e9f70496911b5a"`
[INFO] [stderr]    Compiling finch v0.4.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/process.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut req = match client.get(&image.url).send() {
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `"docker" "inspect" "5875d303cfe9480bcb386bf0c8f370c1992270b9cb2c1b3583e9f70496911b5a"`
[INFO] running `"docker" "rm" "-f" "5875d303cfe9480bcb386bf0c8f370c1992270b9cb2c1b3583e9f70496911b5a"`
[INFO] [stdout] 5875d303cfe9480bcb386bf0c8f370c1992270b9cb2c1b3583e9f70496911b5a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/c-edw/finch:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 430f81ea7776a47d27eb30f18b776fc4e079a10e796925e89d3e772f98c22a18
[INFO] running `"docker" "start" "-a" "430f81ea7776a47d27eb30f18b776fc4e079a10e796925e89d3e772f98c22a18"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/finch-fb9678ebf137ee14
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test hash::tests::hamming_distance_is_correct ... ok
[INFO] [stdout] test hash::tests::average_hash_is_correct ... ok
[INFO] [stdout] test hash::tests::marr_hash_is_correct ... ok
[INFO] [stdout] test hash::tests::similarity_is_correct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "430f81ea7776a47d27eb30f18b776fc4e079a10e796925e89d3e772f98c22a18"`
[INFO] running `"docker" "rm" "-f" "430f81ea7776a47d27eb30f18b776fc4e079a10e796925e89d3e772f98c22a18"`
[INFO] [stdout] 430f81ea7776a47d27eb30f18b776fc4e079a10e796925e89d3e772f98c22a18