[INFO] crate kraken-price 0.2.0 is already in cache
[INFO] extracting crate kraken-price 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/kraken-price/0.2.0
[INFO] extracting crate kraken-price 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/kraken-price/0.2.0
[INFO] validating manifest of kraken-price-0.2.0 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 kraken-price-0.2.0 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 kraken-price-0.2.0
[INFO] finished frobbing kraken-price-0.2.0
[INFO] frobbed toml for kraken-price-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/kraken-price/0.2.0/Cargo.toml
[INFO] started frobbing kraken-price-0.2.0
[INFO] finished frobbing kraken-price-0.2.0
[INFO] frobbed toml for kraken-price-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/kraken-price/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 kraken-price-0.2.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/kraken-price/0.2.0:/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] 3c69cdc8497d00e4403cd71741faf8bd7f48648f364a90a8e13d6c6a4a5da376
[INFO] running `"docker" "start" "-a" "3c69cdc8497d00e4403cd71741faf8bd7f48648f364a90a8e13d6c6a4a5da376"`
[INFO] [stderr]    Compiling webbrowser v0.5.2
[INFO] [stderr]    Compiling requests v0.0.30
[INFO] [stderr]    Compiling kraken-price v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/main.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 webbrowser::open("https://www.youtube.com/watch?v=dQw4w9WgXcQ").is_ok();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `"docker" "inspect" "3c69cdc8497d00e4403cd71741faf8bd7f48648f364a90a8e13d6c6a4a5da376"`
[INFO] running `"docker" "rm" "-f" "3c69cdc8497d00e4403cd71741faf8bd7f48648f364a90a8e13d6c6a4a5da376"`
[INFO] [stdout] 3c69cdc8497d00e4403cd71741faf8bd7f48648f364a90a8e13d6c6a4a5da376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/kraken-price/0.2.0:/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] dc7caf412bc4d196cb853672c7b2a0848495a81c61a69dd94edebed0c4e21a22
[INFO] running `"docker" "start" "-a" "dc7caf412bc4d196cb853672c7b2a0848495a81c61a69dd94edebed0c4e21a22"`
[INFO] [stderr]    Compiling kraken-price v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/main.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 webbrowser::open("https://www.youtube.com/watch?v=dQw4w9WgXcQ").is_ok();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "dc7caf412bc4d196cb853672c7b2a0848495a81c61a69dd94edebed0c4e21a22"`
[INFO] running `"docker" "rm" "-f" "dc7caf412bc4d196cb853672c7b2a0848495a81c61a69dd94edebed0c4e21a22"`
[INFO] [stdout] dc7caf412bc4d196cb853672c7b2a0848495a81c61a69dd94edebed0c4e21a22
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/kraken-price/0.2.0:/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"`
[INFO] [stdout] 34dbe1c932ae58e9d0cc43b12940fb84ca34a4b591cf564b8e73f3ef15f69bf4
[INFO] running `"docker" "start" "-a" "34dbe1c932ae58e9d0cc43b12940fb84ca34a4b591cf564b8e73f3ef15f69bf4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kraken_price-b8f50f65d44f4065
[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" "34dbe1c932ae58e9d0cc43b12940fb84ca34a4b591cf564b8e73f3ef15f69bf4"`
[INFO] running `"docker" "rm" "-f" "34dbe1c932ae58e9d0cc43b12940fb84ca34a4b591cf564b8e73f3ef15f69bf4"`
[INFO] [stdout] 34dbe1c932ae58e9d0cc43b12940fb84ca34a4b591cf564b8e73f3ef15f69bf4