[INFO] crate rspotify 0.6.0 is already in cache
[INFO] extracting crate rspotify 0.6.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rspotify/0.6.0
[INFO] extracting crate rspotify 0.6.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rspotify/0.6.0
[INFO] validating manifest of rspotify-0.6.0 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 rspotify-0.6.0 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 rspotify-0.6.0
[INFO] finished frobbing rspotify-0.6.0
[INFO] frobbed toml for rspotify-0.6.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rspotify/0.6.0/Cargo.toml
[INFO] started frobbing rspotify-0.6.0
[INFO] finished frobbing rspotify-0.6.0
[INFO] frobbed toml for rspotify-0.6.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rspotify/0.6.0/Cargo.toml
[INFO] crate rspotify-0.6.0 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rspotify/0.6.0/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 rspotify-0.6.0 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rspotify/0.6.0:/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] 3413f5b32b07de500daf3aee4ec230c64b84ea54f92166ada0150a01bcf6ccdb
[INFO] running `"docker" "start" "-a" "3413f5b32b07de500daf3aee4ec230c64b84ea54f92166ada0150a01bcf6ccdb"`
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling webbrowser v0.5.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.20
[INFO] [stderr]    Compiling rspotify v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/spotify/client.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |             let mut builder = CLIENT
[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 45.64s
[INFO] running `"docker" "inspect" "3413f5b32b07de500daf3aee4ec230c64b84ea54f92166ada0150a01bcf6ccdb"`
[INFO] running `"docker" "rm" "-f" "3413f5b32b07de500daf3aee4ec230c64b84ea54f92166ada0150a01bcf6ccdb"`
[INFO] [stdout] 3413f5b32b07de500daf3aee4ec230c64b84ea54f92166ada0150a01bcf6ccdb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rspotify/0.6.0:/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] 29f9086d1b21b999882af75e773a1123f140608aabf44733326acfca7272ea92
[INFO] running `"docker" "start" "-a" "29f9086d1b21b999882af75e773a1123f140608aabf44733326acfca7272ea92"`
[INFO] [stderr]    Compiling rspotify v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] error: Could not compile `rspotify`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name user_playlist_recorder_tracks examples/user_playlist_recorder_tracks.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=3438daf8eeb5b94a -C extra-filename=-3438daf8eeb5b94a --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern base64=/opt/crater/target/debug/deps/libbase64-b248d06447d2c6c2.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-afca2e2f21737d1e.rlib --extern derive_builder=/opt/crater/target/debug/deps/libderive_builder-64b90b338dc28108.so --extern dotenv=/opt/crater/target/debug/deps/libdotenv-a4546a3bc2eec4f0.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-496125452bd0d87b.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-46523e08b76fa7cd.rlib --extern itertools=/opt/crater/target/debug/deps/libitertools-3d2aabe61fa04b2e.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern log=/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-7ae675a5263db170.rlib --extern rand=/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib --extern random=/opt/crater/target/debug/deps/librandom-142ab6863f301747.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-2134184bdb39f645.rlib --extern rspotify=/opt/crater/target/debug/deps/librspotify-4c46cd85a3ada385.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-8525889763034810.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-cc7d2cf7e5d933a8.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern webbrowser=/opt/crater/target/debug/deps/libwebbrowser-b88220be9a6e4aa8.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `rspotify`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name user_playlist examples/user_playlist.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=f9043139df1f55a1 -C extra-filename=-f9043139df1f55a1 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern base64=/opt/crater/target/debug/deps/libbase64-b248d06447d2c6c2.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-afca2e2f21737d1e.rlib --extern derive_builder=/opt/crater/target/debug/deps/libderive_builder-64b90b338dc28108.so --extern dotenv=/opt/crater/target/debug/deps/libdotenv-a4546a3bc2eec4f0.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-496125452bd0d87b.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-46523e08b76fa7cd.rlib --extern itertools=/opt/crater/target/debug/deps/libitertools-3d2aabe61fa04b2e.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern log=/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-7ae675a5263db170.rlib --extern rand=/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib --extern random=/opt/crater/target/debug/deps/librandom-142ab6863f301747.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-2134184bdb39f645.rlib --extern rspotify=/opt/crater/target/debug/deps/librspotify-4c46cd85a3ada385.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-8525889763034810.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-cc7d2cf7e5d933a8.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern webbrowser=/opt/crater/target/debug/deps/libwebbrowser-b88220be9a6e4aa8.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `rspotify`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name audios_features examples/audios_features.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=e7ec1e59bb398454 -C extra-filename=-e7ec1e59bb398454 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern base64=/opt/crater/target/debug/deps/libbase64-b248d06447d2c6c2.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-afca2e2f21737d1e.rlib --extern derive_builder=/opt/crater/target/debug/deps/libderive_builder-64b90b338dc28108.so --extern dotenv=/opt/crater/target/debug/deps/libdotenv-a4546a3bc2eec4f0.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-496125452bd0d87b.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-46523e08b76fa7cd.rlib --extern itertools=/opt/crater/target/debug/deps/libitertools-3d2aabe61fa04b2e.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern log=/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-7ae675a5263db170.rlib --extern rand=/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib --extern random=/opt/crater/target/debug/deps/librandom-142ab6863f301747.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-2134184bdb39f645.rlib --extern rspotify=/opt/crater/target/debug/deps/librspotify-4c46cd85a3ada385.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-8525889763034810.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-cc7d2cf7e5d933a8.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern webbrowser=/opt/crater/target/debug/deps/libwebbrowser-b88220be9a6e4aa8.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `rspotify`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name artist examples/artist.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=36c6ce2a3ee7b34d -C extra-filename=-36c6ce2a3ee7b34d --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern base64=/opt/crater/target/debug/deps/libbase64-b248d06447d2c6c2.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-afca2e2f21737d1e.rlib --extern derive_builder=/opt/crater/target/debug/deps/libderive_builder-64b90b338dc28108.so --extern dotenv=/opt/crater/target/debug/deps/libdotenv-a4546a3bc2eec4f0.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-496125452bd0d87b.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-46523e08b76fa7cd.rlib --extern itertools=/opt/crater/target/debug/deps/libitertools-3d2aabe61fa04b2e.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern log=/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-7ae675a5263db170.rlib --extern rand=/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib --extern random=/opt/crater/target/debug/deps/librandom-142ab6863f301747.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-2134184bdb39f645.rlib --extern rspotify=/opt/crater/target/debug/deps/librspotify-4c46cd85a3ada385.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-8525889763034810.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-cc7d2cf7e5d933a8.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern webbrowser=/opt/crater/target/debug/deps/libwebbrowser-b88220be9a6e4aa8.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `rspotify`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name current_user_saved_albums_delete examples/current_user_saved_albums_delete.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=d168dc3a0e254af5 -C extra-filename=-d168dc3a0e254af5 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern base64=/opt/crater/target/debug/deps/libbase64-b248d06447d2c6c2.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-afca2e2f21737d1e.rlib --extern derive_builder=/opt/crater/target/debug/deps/libderive_builder-64b90b338dc28108.so --extern dotenv=/opt/crater/target/debug/deps/libdotenv-a4546a3bc2eec4f0.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-496125452bd0d87b.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-46523e08b76fa7cd.rlib --extern itertools=/opt/crater/target/debug/deps/libitertools-3d2aabe61fa04b2e.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern log=/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-7ae675a5263db170.rlib --extern rand=/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib --extern random=/opt/crater/target/debug/deps/librandom-142ab6863f301747.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-2134184bdb39f645.rlib --extern rspotify=/opt/crater/target/debug/deps/librspotify-4c46cd85a3ada385.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-8525889763034810.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-cc7d2cf7e5d933a8.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern webbrowser=/opt/crater/target/debug/deps/libwebbrowser-b88220be9a6e4aa8.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `rspotify`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name current_user_saved_tracks_add examples/current_user_saved_tracks_add.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=b409761aa0142ae1 -C extra-filename=-b409761aa0142ae1 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern base64=/opt/crater/target/debug/deps/libbase64-b248d06447d2c6c2.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-afca2e2f21737d1e.rlib --extern derive_builder=/opt/crater/target/debug/deps/libderive_builder-64b90b338dc28108.so --extern dotenv=/opt/crater/target/debug/deps/libdotenv-a4546a3bc2eec4f0.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-496125452bd0d87b.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-46523e08b76fa7cd.rlib --extern itertools=/opt/crater/target/debug/deps/libitertools-3d2aabe61fa04b2e.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern log=/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-7ae675a5263db170.rlib --extern rand=/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib --extern random=/opt/crater/target/debug/deps/librandom-142ab6863f301747.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-2134184bdb39f645.rlib --extern rspotify=/opt/crater/target/debug/deps/librspotify-4c46cd85a3ada385.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-8525889763034810.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-cc7d2cf7e5d933a8.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern webbrowser=/opt/crater/target/debug/deps/libwebbrowser-b88220be9a6e4aa8.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `rspotify`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name repeat examples/repeat.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=e79773be93010a50 -C extra-filename=-e79773be93010a50 --out-dir /opt/crater/target/debug/examples -L dependency=/opt/crater/target/debug/deps --extern base64=/opt/crater/target/debug/deps/libbase64-b248d06447d2c6c2.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-afca2e2f21737d1e.rlib --extern derive_builder=/opt/crater/target/debug/deps/libderive_builder-64b90b338dc28108.so --extern dotenv=/opt/crater/target/debug/deps/libdotenv-a4546a3bc2eec4f0.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-496125452bd0d87b.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-46523e08b76fa7cd.rlib --extern itertools=/opt/crater/target/debug/deps/libitertools-3d2aabe61fa04b2e.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern log=/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-7ae675a5263db170.rlib --extern rand=/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib --extern random=/opt/crater/target/debug/deps/librandom-142ab6863f301747.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-2134184bdb39f645.rlib --extern rspotify=/opt/crater/target/debug/deps/librspotify-4c46cd85a3ada385.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-8525889763034810.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-cc7d2cf7e5d933a8.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern webbrowser=/opt/crater/target/debug/deps/libwebbrowser-b88220be9a6e4aa8.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `rspotify`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rspotify src/lib.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=324e29e918a845f1 -C extra-filename=-324e29e918a845f1 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern base64=/opt/crater/target/debug/deps/libbase64-b248d06447d2c6c2.rlib --extern chrono=/opt/crater/target/debug/deps/libchrono-afca2e2f21737d1e.rlib --extern derive_builder=/opt/crater/target/debug/deps/libderive_builder-64b90b338dc28108.so --extern dotenv=/opt/crater/target/debug/deps/libdotenv-a4546a3bc2eec4f0.rlib --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-496125452bd0d87b.rlib --extern failure=/opt/crater/target/debug/deps/libfailure-46523e08b76fa7cd.rlib --extern itertools=/opt/crater/target/debug/deps/libitertools-3d2aabe61fa04b2e.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib --extern log=/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib --extern percent_encoding=/opt/crater/target/debug/deps/libpercent_encoding-7ae675a5263db170.rlib --extern rand=/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib --extern random=/opt/crater/target/debug/deps/librandom-142ab6863f301747.rlib --extern reqwest=/opt/crater/target/debug/deps/libreqwest-2134184bdb39f645.rlib --extern serde=/opt/crater/target/debug/deps/libserde-dd12c9a5c23ee338.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-8525889763034810.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-cc7d2cf7e5d933a8.rlib --extern url=/opt/crater/target/debug/deps/liburl-ebaefb0ef9c8c191.rlib --extern webbrowser=/opt/crater/target/debug/deps/libwebbrowser-b88220be9a6e4aa8.rlib --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "29f9086d1b21b999882af75e773a1123f140608aabf44733326acfca7272ea92"`
[INFO] running `"docker" "rm" "-f" "29f9086d1b21b999882af75e773a1123f140608aabf44733326acfca7272ea92"`
[INFO] [stdout] 29f9086d1b21b999882af75e773a1123f140608aabf44733326acfca7272ea92