[INFO] updating cached repository categulario/cryptocurrency_prices
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/categulario/cryptocurrency_prices
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/categulario/cryptocurrency_prices" "work/ex/beta-1.37-6/sources/1.36.0/gh/categulario/cryptocurrency_prices"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/categulario/cryptocurrency_prices'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/categulario/cryptocurrency_prices" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/categulario/cryptocurrency_prices"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/categulario/cryptocurrency_prices'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5b7a85e3a942d990db4c5628bbce2d4463d47aa5
[INFO] sha for GitHub repo categulario/cryptocurrency_prices: 5b7a85e3a942d990db4c5628bbce2d4463d47aa5
[INFO] validating manifest of categulario/cryptocurrency_prices on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of categulario/cryptocurrency_prices on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing categulario/cryptocurrency_prices
[INFO] finished frobbing categulario/cryptocurrency_prices
[INFO] frobbed toml for categulario/cryptocurrency_prices written to work/ex/beta-1.37-6/sources/1.36.0/gh/categulario/cryptocurrency_prices/Cargo.toml
[INFO] started frobbing categulario/cryptocurrency_prices
[INFO] finished frobbing categulario/cryptocurrency_prices
[INFO] frobbed toml for categulario/cryptocurrency_prices written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/categulario/cryptocurrency_prices/Cargo.toml
[INFO] crate categulario/cryptocurrency_prices already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/categulario/cryptocurrency_prices/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing categulario/cryptocurrency_prices against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/categulario/cryptocurrency_prices:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5035fbfa66a31441073448e5a74eb6f65ab34efce25b9e43980469faf4098b1a
[INFO] running `"docker" "start" "-a" "5035fbfa66a31441073448e5a74eb6f65ab34efce25b9e43980469faf4098b1a"`
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling reqwest v0.6.2
[INFO] [stderr]    Compiling crypto_prices v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     res.read_to_string(&mut json_body);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.77s
[INFO] running `"docker" "inspect" "5035fbfa66a31441073448e5a74eb6f65ab34efce25b9e43980469faf4098b1a"`
[INFO] running `"docker" "rm" "-f" "5035fbfa66a31441073448e5a74eb6f65ab34efce25b9e43980469faf4098b1a"`
[INFO] [stdout] 5035fbfa66a31441073448e5a74eb6f65ab34efce25b9e43980469faf4098b1a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/categulario/cryptocurrency_prices:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0660cba580d5572911a577bd4b6a4c242f8c339c8930ad24b6179b651dfed5aa
[INFO] running `"docker" "start" "-a" "0660cba580d5572911a577bd4b6a4c242f8c339c8930ad24b6179b651dfed5aa"`
[INFO] [stderr]    Compiling crypto_prices v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     res.read_to_string(&mut json_body);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "0660cba580d5572911a577bd4b6a4c242f8c339c8930ad24b6179b651dfed5aa"`
[INFO] running `"docker" "rm" "-f" "0660cba580d5572911a577bd4b6a4c242f8c339c8930ad24b6179b651dfed5aa"`
[INFO] [stdout] 0660cba580d5572911a577bd4b6a4c242f8c339c8930ad24b6179b651dfed5aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/categulario/cryptocurrency_prices:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] deb95cbb580d792c548c44f6b8a3270020657fb0922c3972b768b0ce1cee0e1a
[INFO] running `"docker" "start" "-a" "deb95cbb580d792c548c44f6b8a3270020657fb0922c3972b768b0ce1cee0e1a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/crypto_prices-0cf390714e701ec4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "deb95cbb580d792c548c44f6b8a3270020657fb0922c3972b768b0ce1cee0e1a"`
[INFO] running `"docker" "rm" "-f" "deb95cbb580d792c548c44f6b8a3270020657fb0922c3972b768b0ce1cee0e1a"`
[INFO] [stdout] deb95cbb580d792c548c44f6b8a3270020657fb0922c3972b768b0ce1cee0e1a