[INFO] updating cached repository blaesus/btc-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/blaesus/btc-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/blaesus/btc-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/blaesus/btc-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/blaesus/btc-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/blaesus/btc-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/blaesus/btc-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/blaesus/btc-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c925bccbaa2789422403762a2411a83aee58dacf
[INFO] sha for GitHub repo blaesus/btc-rs: c925bccbaa2789422403762a2411a83aee58dacf
[INFO] validating manifest of blaesus/btc-rs 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 blaesus/btc-rs 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 blaesus/btc-rs
[INFO] finished frobbing blaesus/btc-rs
[INFO] frobbed toml for blaesus/btc-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/blaesus/btc-rs/Cargo.toml
[INFO] started frobbing blaesus/btc-rs
[INFO] finished frobbing blaesus/btc-rs
[INFO] frobbed toml for blaesus/btc-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/blaesus/btc-rs/Cargo.toml
[INFO] crate blaesus/btc-rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing blaesus/btc-rs 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/blaesus/btc-rs:/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] f37e21ccd057319dfd31d40b09c9e569bee74cc42692fd4a92dfec69d137806e
[INFO] running `"docker" "start" "-a" "f37e21ccd057319dfd31d40b09c9e569bee74cc42692fd4a92dfec69d137806e"`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling bech32 v0.6.0
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling bitcoin_hashes v0.3.2
[INFO] [stderr]    Compiling bitcoin-bech32 v0.9.0
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling bitcoin v0.18.0
[INFO] [stderr]    Compiling btc-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Sha512`
[INFO] [stderr]  --> src/utils.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use sha2::{Digest, Sha256, Sha512};
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/main.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Err(error) => return,
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]   --> src/main.rs:77:41
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 NetworkMessage::Version(version) => {
[INFO] [stderr]    |                                         ^^^^^^^ help: consider prefixing with an underscore: `_version`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pretty_dump`
[INFO] [stderr]   --> src/utils.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn pretty_dump(buffer: &[u8]) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         connection.join();
[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 47.43s
[INFO] running `"docker" "inspect" "f37e21ccd057319dfd31d40b09c9e569bee74cc42692fd4a92dfec69d137806e"`
[INFO] running `"docker" "rm" "-f" "f37e21ccd057319dfd31d40b09c9e569bee74cc42692fd4a92dfec69d137806e"`
[INFO] [stdout] f37e21ccd057319dfd31d40b09c9e569bee74cc42692fd4a92dfec69d137806e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/blaesus/btc-rs:/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] f0d8128d0807570bce51c61ba71da9d3e236c332ac61c50f2a405a1e9da4130f
[INFO] running `"docker" "start" "-a" "f0d8128d0807570bce51c61ba71da9d3e236c332ac61c50f2a405a1e9da4130f"`
[INFO] [stderr]    Compiling btc-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Sha512`
[INFO] [stderr]  --> src/utils.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use sha2::{Digest, Sha256, Sha512};
[INFO] [stderr]   |                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/main.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Err(error) => return,
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]   --> src/main.rs:77:41
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 NetworkMessage::Version(version) => {
[INFO] [stderr]    |                                         ^^^^^^^ help: consider prefixing with an underscore: `_version`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pretty_dump`
[INFO] [stderr]   --> src/utils.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub fn pretty_dump(buffer: &[u8]) -> () {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         connection.join();
[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 0.86s
[INFO] running `"docker" "inspect" "f0d8128d0807570bce51c61ba71da9d3e236c332ac61c50f2a405a1e9da4130f"`
[INFO] running `"docker" "rm" "-f" "f0d8128d0807570bce51c61ba71da9d3e236c332ac61c50f2a405a1e9da4130f"`
[INFO] [stdout] f0d8128d0807570bce51c61ba71da9d3e236c332ac61c50f2a405a1e9da4130f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/blaesus/btc-rs:/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] 9e104f6c2574761f08fcacc57ce31a9b821ac33078ea2626bc2dcded6a9ab44c
[INFO] running `"docker" "start" "-a" "9e104f6c2574761f08fcacc57ce31a9b821ac33078ea2626bc2dcded6a9ab44c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/btc_rs-12c92cb2794828d6
[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" "9e104f6c2574761f08fcacc57ce31a9b821ac33078ea2626bc2dcded6a9ab44c"`
[INFO] running `"docker" "rm" "-f" "9e104f6c2574761f08fcacc57ce31a9b821ac33078ea2626bc2dcded6a9ab44c"`
[INFO] [stdout] 9e104f6c2574761f08fcacc57ce31a9b821ac33078ea2626bc2dcded6a9ab44c