[INFO] updating cached repository metmirr/blockchain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/metmirr/blockchain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/metmirr/blockchain" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/metmirr/blockchain"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/metmirr/blockchain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/metmirr/blockchain" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/metmirr/blockchain"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/metmirr/blockchain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12feef58baea3f50269aeb5eb8127d443de10894
[INFO] sha for GitHub repo metmirr/blockchain: 12feef58baea3f50269aeb5eb8127d443de10894
[INFO] validating manifest of metmirr/blockchain on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of metmirr/blockchain on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing metmirr/blockchain
[INFO] finished frobbing metmirr/blockchain
[INFO] frobbed toml for metmirr/blockchain written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/metmirr/blockchain/Cargo.toml
[INFO] started frobbing metmirr/blockchain
[INFO] finished frobbing metmirr/blockchain
[INFO] frobbed toml for metmirr/blockchain written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/metmirr/blockchain/Cargo.toml
[INFO] crate metmirr/blockchain already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking metmirr/blockchain against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-3/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/metmirr/blockchain:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6782cdda769119b9ad25c7e0163a07e7ac725c2b8741271459013c130b694d72
[INFO] running `"docker" "start" "-a" "6782cdda769119b9ad25c7e0163a07e7ac725c2b8741271459013c130b694d72"`
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `hash`
[INFO] [stderr]   --> src/main.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn hash(block: &str) -> String{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `last_block`
[INFO] [stderr]   --> src/main.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn last_block(&self) -> &Block {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hash`
[INFO] [stderr]   --> src/main.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn hash(block: &str) -> String{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `last_block`
[INFO] [stderr]   --> src/main.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn last_block(&self) -> &Block {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `"docker" "inspect" "6782cdda769119b9ad25c7e0163a07e7ac725c2b8741271459013c130b694d72"`
[INFO] running `"docker" "rm" "-f" "6782cdda769119b9ad25c7e0163a07e7ac725c2b8741271459013c130b694d72"`
[INFO] [stdout] 6782cdda769119b9ad25c7e0163a07e7ac725c2b8741271459013c130b694d72