[INFO] updating cached repository https://github.com/Andrii32/rust-bitcoin-explore
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ab80b3c4b171c693c7c2a11ca02ff42f498ff27
[INFO] testing Andrii32/rust-bitcoin-explore against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrii32%2Frust-bitcoin-explore" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Andrii32/rust-bitcoin-explore on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Andrii32/rust-bitcoin-explore
[INFO] finished tweaking git repo https://github.com/Andrii32/rust-bitcoin-explore
[INFO] tweaked toml for git repo https://github.com/Andrii32/rust-bitcoin-explore written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Andrii32/rust-bitcoin-explore already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e8634e3d38b5a7ef2fe596ff8b640e6d457cb769b7f6f38f36d78548d6fe514
[INFO] running `"docker" "start" "-a" "2e8634e3d38b5a7ef2fe596ff8b640e6d457cb769b7f6f38f36d78548d6fe514"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling ripemd160 v0.8.0
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rust-base58 v0.0.4
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling rust-bitcoin-explore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]   --> src/main.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 | use errors::{Error};
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_hex`
[INFO] [stderr]   --> src/public.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn to_hex(&self) -> String{
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `"docker" "inspect" "2e8634e3d38b5a7ef2fe596ff8b640e6d457cb769b7f6f38f36d78548d6fe514"`
[INFO] running `"docker" "rm" "-f" "2e8634e3d38b5a7ef2fe596ff8b640e6d457cb769b7f6f38f36d78548d6fe514"`
[INFO] [stdout] 2e8634e3d38b5a7ef2fe596ff8b640e6d457cb769b7f6f38f36d78548d6fe514
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 12c5410300b0f9d4f2a7ad464a61eda0b0b87a5c4e2325389a2cff0e8db2c136
[INFO] running `"docker" "start" "-a" "12c5410300b0f9d4f2a7ad464a61eda0b0b87a5c4e2325389a2cff0e8db2c136"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-bitcoin-explore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `to_hex`
[INFO] [stderr]   --> src/public.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn to_hex(&self) -> String{
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "12c5410300b0f9d4f2a7ad464a61eda0b0b87a5c4e2325389a2cff0e8db2c136"`
[INFO] running `"docker" "rm" "-f" "12c5410300b0f9d4f2a7ad464a61eda0b0b87a5c4e2325389a2cff0e8db2c136"`
[INFO] [stdout] 12c5410300b0f9d4f2a7ad464a61eda0b0b87a5c4e2325389a2cff0e8db2c136
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 439a5391d4e8881859e1d37950fdc00d861fc8d7b28d7f35d6fe15af034f3d1e
[INFO] running `"docker" "start" "-a" "439a5391d4e8881859e1d37950fdc00d861fc8d7b28d7f35d6fe15af034f3d1e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: associated function is never used: `to_hex`
[INFO] [stderr]   --> src/public.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn to_hex(&self) -> String{
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_bitcoin_explore-4b21c98745687eeb
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_from_hex_invalid_hex ... ok
[INFO] [stdout] test test_from_hex_success ... ok
[INFO] [stdout] test test_from_hex_invalid_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "439a5391d4e8881859e1d37950fdc00d861fc8d7b28d7f35d6fe15af034f3d1e"`
[INFO] running `"docker" "rm" "-f" "439a5391d4e8881859e1d37950fdc00d861fc8d7b28d7f35d6fe15af034f3d1e"`
[INFO] [stdout] 439a5391d4e8881859e1d37950fdc00d861fc8d7b28d7f35d6fe15af034f3d1e