[INFO] updating cached repository annikoff/hmbc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/annikoff/hmbc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/annikoff/hmbc" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/annikoff/hmbc"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/annikoff/hmbc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/annikoff/hmbc" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/annikoff/hmbc"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/annikoff/hmbc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72f75e1920bc90f0f3aa1f01c3b3bd3b34664090
[INFO] sha for GitHub repo annikoff/hmbc: 72f75e1920bc90f0f3aa1f01c3b3bd3b34664090
[INFO] validating manifest of annikoff/hmbc on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of annikoff/hmbc on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing annikoff/hmbc
[INFO] finished frobbing annikoff/hmbc
[INFO] frobbed toml for annikoff/hmbc written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/annikoff/hmbc/Cargo.toml
[INFO] started frobbing annikoff/hmbc
[INFO] finished frobbing annikoff/hmbc
[INFO] frobbed toml for annikoff/hmbc written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/annikoff/hmbc/Cargo.toml
[INFO] crate annikoff/hmbc has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing annikoff/hmbc against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/annikoff/hmbc:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 0978246a1d792a84fd88564ce4f36924e97bbccec6f1cd4ae90eae44b10c7603
[INFO] running `"docker" "start" "-a" "0978246a1d792a84fd88564ce4f36924e97bbccec6f1cd4ae90eae44b10c7603"`
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling hmbc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `timestamp`
[INFO] [stderr]   --> src/block.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn timestamp(&self) -> i64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `previous_hash`
[INFO] [stderr]   --> src/block.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn previous_hash(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `content`
[INFO] [stderr]   --> src/block.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn content(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `content`
[INFO] [stderr]   --> src/block_content.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn content(&self) -> &String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `block`
[INFO] [stderr]   --> src/blockchain.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn block(&self, index: usize) -> Option<&Block> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/blockchain.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `"docker" "inspect" "0978246a1d792a84fd88564ce4f36924e97bbccec6f1cd4ae90eae44b10c7603"`
[INFO] running `"docker" "rm" "-f" "0978246a1d792a84fd88564ce4f36924e97bbccec6f1cd4ae90eae44b10c7603"`
[INFO] [stdout] 0978246a1d792a84fd88564ce4f36924e97bbccec6f1cd4ae90eae44b10c7603
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/annikoff/hmbc:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 90d5c14cae3eb4c52ffda3bb84a3900a5e9fea5b63b8f3d28abcfc730e29d4df
[INFO] running `"docker" "start" "-a" "90d5c14cae3eb4c52ffda3bb84a3900a5e9fea5b63b8f3d28abcfc730e29d4df"`
[INFO] [stderr]    Compiling hmbc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `timestamp`
[INFO] [stderr]   --> src/block.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn timestamp(&self) -> i64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "90d5c14cae3eb4c52ffda3bb84a3900a5e9fea5b63b8f3d28abcfc730e29d4df"`
[INFO] running `"docker" "rm" "-f" "90d5c14cae3eb4c52ffda3bb84a3900a5e9fea5b63b8f3d28abcfc730e29d4df"`
[INFO] [stdout] 90d5c14cae3eb4c52ffda3bb84a3900a5e9fea5b63b8f3d28abcfc730e29d4df
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/annikoff/hmbc:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 9de3a40ee21ef8e192d03abe795a65e5c31f49cc41ed4abaaa760a6b7206b229
[INFO] running `"docker" "start" "-a" "9de3a40ee21ef8e192d03abe795a65e5c31f49cc41ed4abaaa760a6b7206b229"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hmbc-75f219d4ee211ce0
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test block_content::tests::create_block_content ... ok
[INFO] [stdout] test blockchain::tests::create_blockchain_with_genesis_block ... ok
[INFO] [stdout] test block::tests::create_block ... ok
[INFO] [stdout] test blockchain::tests::create_block ... ok
[INFO] [stdout] test blockchain::tests::last_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9de3a40ee21ef8e192d03abe795a65e5c31f49cc41ed4abaaa760a6b7206b229"`
[INFO] running `"docker" "rm" "-f" "9de3a40ee21ef8e192d03abe795a65e5c31f49cc41ed4abaaa760a6b7206b229"`
[INFO] [stdout] 9de3a40ee21ef8e192d03abe795a65e5c31f49cc41ed4abaaa760a6b7206b229