[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-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/annikoff/hmbc"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/annikoff/hmbc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/annikoff/hmbc" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/annikoff/hmbc"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/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#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of annikoff/hmbc on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-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-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/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-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/annikoff/hmbc/Cargo.toml
[INFO] crate annikoff/hmbc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking annikoff/hmbc against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/annikoff/hmbc:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 19a56dd8dd837483e1849ca3d061fe356c714e66aef99802f8fadc8a9c8f6493
[INFO] running `"docker" "start" "-a" "19a56dd8dd837483e1849ca3d061fe356c714e66aef99802f8fadc8a9c8f6493"`
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking 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] 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 0.83s
[INFO] running `"docker" "inspect" "19a56dd8dd837483e1849ca3d061fe356c714e66aef99802f8fadc8a9c8f6493"`
[INFO] running `"docker" "rm" "-f" "19a56dd8dd837483e1849ca3d061fe356c714e66aef99802f8fadc8a9c8f6493"`
[INFO] [stdout] 19a56dd8dd837483e1849ca3d061fe356c714e66aef99802f8fadc8a9c8f6493