[INFO] updating cached repository https://github.com/Banyango/rust-blockchain
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 2b2b0bc7b2b8bdf9c699e1c6d43edfbba2f9c7d8
[INFO] testing Banyango/rust-blockchain against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FBanyango%2Frust-blockchain" "work/builds/worker-11/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Banyango/rust-blockchain on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Banyango/rust-blockchain
[INFO] finished tweaking git repo https://github.com/Banyango/rust-blockchain
[INFO] tweaked toml for git repo https://github.com/Banyango/rust-blockchain written to work/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Banyango/rust-blockchain already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] fcf3af9a4eb23e50a43051cacb3b42df61e5de3ff42d5367fb8d57a39937b5ef
[INFO] running `"docker" "start" "-a" "fcf3af9a4eb23e50a43051cacb3b42df61e5de3ff42d5367fb8d57a39937b5ef"`
[INFO] [stderr]    Compiling pad v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.36
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling router v0.6.0
[INFO] [stderr]    Compiling bodyparser v0.8.0
[INFO] [stderr]    Compiling rust-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/block.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.46s
[INFO] running `"docker" "inspect" "fcf3af9a4eb23e50a43051cacb3b42df61e5de3ff42d5367fb8d57a39937b5ef"`
[INFO] running `"docker" "rm" "-f" "fcf3af9a4eb23e50a43051cacb3b42df61e5de3ff42d5367fb8d57a39937b5ef"`
[INFO] [stdout] fcf3af9a4eb23e50a43051cacb3b42df61e5de3ff42d5367fb8d57a39937b5ef
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0f6d4605c8740c7d7fe3b03c560b0f33bb62333991b58bed0400f87c6b3187ca
[INFO] running `"docker" "start" "-a" "0f6d4605c8740c7d7fe3b03c560b0f33bb62333991b58bed0400f87c6b3187ca"`
[INFO] [stderr]    Compiling rust-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> src/block.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `"docker" "inspect" "0f6d4605c8740c7d7fe3b03c560b0f33bb62333991b58bed0400f87c6b3187ca"`
[INFO] running `"docker" "rm" "-f" "0f6d4605c8740c7d7fe3b03c560b0f33bb62333991b58bed0400f87c6b3187ca"`
[INFO] [stdout] 0f6d4605c8740c7d7fe3b03c560b0f33bb62333991b58bed0400f87c6b3187ca
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] eb5a7ae0fdcd99ec9dfd82e97ef076e54e1eff3f72a5937011e38dce2ebce7f4
[INFO] running `"docker" "start" "-a" "eb5a7ae0fdcd99ec9dfd82e97ef076e54e1eff3f72a5937011e38dce2ebce7f4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_blockchain-a9f08945365b70e8
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test miner::tests::test_is_block_valid_new_hash_is_none ... ok
[INFO] [stdout] test miner::tests::test_is_block_valid_index_wrong ... ok
[INFO] [stdout] test miner::tests::test_is_hash_valid ... ok
[INFO] [stdout] test miner::tests::test_is_hash_valid_valid_hash ... ok
[INFO] [stdout] test miner::tests::test_is_block_valid_prev_hash_not_equal_to_hash ... ok
[INFO] [stdout] test miner::tests::test_is_hash_valid_invalid_hash ... ok
[INFO] [stdout] test miner::tests::test_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "eb5a7ae0fdcd99ec9dfd82e97ef076e54e1eff3f72a5937011e38dce2ebce7f4"`
[INFO] running `"docker" "rm" "-f" "eb5a7ae0fdcd99ec9dfd82e97ef076e54e1eff3f72a5937011e38dce2ebce7f4"`
[INFO] [stdout] eb5a7ae0fdcd99ec9dfd82e97ef076e54e1eff3f72a5937011e38dce2ebce7f4