[INFO] updating cached repository michaelsdunn1/bitcoin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michaelsdunn1/bitcoin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsdunn1/bitcoin" "work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsdunn1/bitcoin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsdunn1/bitcoin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelsdunn1/bitcoin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaelsdunn1/bitcoin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaelsdunn1/bitcoin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73c262ebdd755038e08fa132c518922ccbd5c246
[INFO] sha for GitHub repo michaelsdunn1/bitcoin: 73c262ebdd755038e08fa132c518922ccbd5c246
[INFO] validating manifest of michaelsdunn1/bitcoin 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 michaelsdunn1/bitcoin 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 michaelsdunn1/bitcoin
[INFO] finished frobbing michaelsdunn1/bitcoin
[INFO] frobbed toml for michaelsdunn1/bitcoin written to work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsdunn1/bitcoin/Cargo.toml
[INFO] started frobbing michaelsdunn1/bitcoin
[INFO] finished frobbing michaelsdunn1/bitcoin
[INFO] frobbed toml for michaelsdunn1/bitcoin written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaelsdunn1/bitcoin/Cargo.toml
[INFO] crate michaelsdunn1/bitcoin 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 michaelsdunn1/bitcoin 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsdunn1/bitcoin:/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] 62092ced2f80ea7138ee24c44f21160a5de60cd4ada41bd2657beedc4db9d6e5
[INFO] running `"docker" "start" "-a" "62092ced2f80ea7138ee24c44f21160a5de60cd4ada41bd2657beedc4db9d6e5"`
[INFO] [stderr]    Compiling base16 v0.1.1
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling secp256k1 v0.11.1
[INFO] [stderr]    Compiling generic-array v0.7.3
[INFO] [stderr]    Compiling ripemd160 v0.7.0
[INFO] [stderr]    Compiling digest-buffer v0.3.1
[INFO] [stderr]    Compiling digest v0.5.2
[INFO] [stderr]    Compiling sha2 v0.5.3
[INFO] [stderr]    Compiling bitcoin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Secp256k1`
[INFO] [stderr]   --> src/keys.rs:15:23
[INFO] [stderr]    |
[INFO] [stderr] 15 | use self::secp256k1::{Secp256k1, SecretKey, PublicKey};
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `"docker" "inspect" "62092ced2f80ea7138ee24c44f21160a5de60cd4ada41bd2657beedc4db9d6e5"`
[INFO] running `"docker" "rm" "-f" "62092ced2f80ea7138ee24c44f21160a5de60cd4ada41bd2657beedc4db9d6e5"`
[INFO] [stdout] 62092ced2f80ea7138ee24c44f21160a5de60cd4ada41bd2657beedc4db9d6e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsdunn1/bitcoin:/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] 072d60589416486d18cf68bad3f4917068bc632060c552be1cee50ea7b9b113a
[INFO] running `"docker" "start" "-a" "072d60589416486d18cf68bad3f4917068bc632060c552be1cee50ea7b9b113a"`
[INFO] [stderr]    Compiling bitcoin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "072d60589416486d18cf68bad3f4917068bc632060c552be1cee50ea7b9b113a"`
[INFO] running `"docker" "rm" "-f" "072d60589416486d18cf68bad3f4917068bc632060c552be1cee50ea7b9b113a"`
[INFO] [stdout] 072d60589416486d18cf68bad3f4917068bc632060c552be1cee50ea7b9b113a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michaelsdunn1/bitcoin:/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] 025d0d562671ed53ed9a490bb8f12d1036321388f2d4152d2a065ce080d0377d
[INFO] running `"docker" "start" "-a" "025d0d562671ed53ed9a490bb8f12d1036321388f2d4152d2a065ce080d0377d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bitcoin-20a77b91c96c4d9f
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test keys::test_base58_check_decode ... ok
[INFO] [stdout] test keys::test_address ... ok
[INFO] [stdout] test keys::test_wif ... ok
[INFO] [stdout] test keys::test_wif_compressed ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bitcoin-dec5d4854ce8279f
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]    Doc-tests bitcoin
[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" "025d0d562671ed53ed9a490bb8f12d1036321388f2d4152d2a065ce080d0377d"`
[INFO] running `"docker" "rm" "-f" "025d0d562671ed53ed9a490bb8f12d1036321388f2d4152d2a065ce080d0377d"`
[INFO] [stdout] 025d0d562671ed53ed9a490bb8f12d1036321388f2d4152d2a065ce080d0377d