[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b4628d1e37bfea304561ed995210d3bfe47bde6bf3a8e26acd5badc73077d9f1
[INFO] running `"docker" "start" "-a" "b4628d1e37bfea304561ed995210d3bfe47bde6bf3a8e26acd5badc73077d9f1"`
[INFO] [stderr]    Compiling json v0.11.14
[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 9.33s
[INFO] running `"docker" "inspect" "b4628d1e37bfea304561ed995210d3bfe47bde6bf3a8e26acd5badc73077d9f1"`
[INFO] running `"docker" "rm" "-f" "b4628d1e37bfea304561ed995210d3bfe47bde6bf3a8e26acd5badc73077d9f1"`
[INFO] [stdout] b4628d1e37bfea304561ed995210d3bfe47bde6bf3a8e26acd5badc73077d9f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 54188541226c531ad997dbc166cfdc0bec7520decc9ea482ba2d7d9068232639
[INFO] running `"docker" "start" "-a" "54188541226c531ad997dbc166cfdc0bec7520decc9ea482ba2d7d9068232639"`
[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 1.40s
[INFO] running `"docker" "inspect" "54188541226c531ad997dbc166cfdc0bec7520decc9ea482ba2d7d9068232639"`
[INFO] running `"docker" "rm" "-f" "54188541226c531ad997dbc166cfdc0bec7520decc9ea482ba2d7d9068232639"`
[INFO] [stdout] 54188541226c531ad997dbc166cfdc0bec7520decc9ea482ba2d7d9068232639
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 6fcc6b05aa9423359947fcfd29a9f4f7e227919ffc2b2cb45443553a6e3ad6d8
[INFO] running `"docker" "start" "-a" "6fcc6b05aa9423359947fcfd29a9f4f7e227919ffc2b2cb45443553a6e3ad6d8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/crypto_prices-f9394ae91786f371
[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" "6fcc6b05aa9423359947fcfd29a9f4f7e227919ffc2b2cb45443553a6e3ad6d8"`
[INFO] running `"docker" "rm" "-f" "6fcc6b05aa9423359947fcfd29a9f4f7e227919ffc2b2cb45443553a6e3ad6d8"`
[INFO] [stdout] 6fcc6b05aa9423359947fcfd29a9f4f7e227919ffc2b2cb45443553a6e3ad6d8