[INFO] crate argon2rs 0.2.5 is already in cache
[INFO] extracting crate argon2rs 0.2.5 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/argon2rs/0.2.5
[INFO] extracting crate argon2rs 0.2.5 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/argon2rs/0.2.5
[INFO] validating manifest of argon2rs-0.2.5 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of argon2rs-0.2.5 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing argon2rs-0.2.5
[INFO] removed path dependency cargon from argon2rs-0.2.5
[INFO] finished frobbing argon2rs-0.2.5
[INFO] frobbed toml for argon2rs-0.2.5 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/argon2rs/0.2.5/Cargo.toml
[INFO] started frobbing argon2rs-0.2.5
[INFO] removed path dependency cargon from argon2rs-0.2.5
[INFO] finished frobbing argon2rs-0.2.5
[INFO] frobbed toml for argon2rs-0.2.5 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/argon2rs/0.2.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking argon2rs-0.2.5 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/argon2rs/0.2.5:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] db1ce94962d429590c0585f4794493699c82e14523fa301d26ae026aaa60527c
[INFO] running `"docker" "start" "-a" "db1ce94962d429590c0585f4794493699c82e14523fa301d26ae026aaa60527c"`
[INFO] [stderr]     Checking argon2rs v0.2.5 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/argon2.rs:52:58
[INFO] [stderr]     |
[INFO] [stderr] 52  |             let mut out: [u8; DEF_B2HASH_LEN] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 347 |         let mut tmp = b2hash!(&len32(out), input);
[INFO] [stderr]     |                       --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/argon2.rs:52:58
[INFO] [stderr]     |
[INFO] [stderr] 52  |             let mut out: [u8; DEF_B2HASH_LEN] = unsafe { mem::uninitialized() };
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 347 |         let mut tmp = b2hash!(&len32(out), input);
[INFO] [stderr]     |                       --------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `iter`
[INFO] [stderr]    --> src/block.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn iter(&self) -> Iter<Vec<Block>> { self.0.iter() }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/cli.rs:18:14
[INFO] [stderr]    |
[INFO] [stderr] 18 |     for (&v, mut k) in salt.iter().zip(s.iter_mut()) {
[INFO] [stderr]    |              ----^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "db1ce94962d429590c0585f4794493699c82e14523fa301d26ae026aaa60527c"`
[INFO] running `"docker" "rm" "-f" "db1ce94962d429590c0585f4794493699c82e14523fa301d26ae026aaa60527c"`
[INFO] [stdout] db1ce94962d429590c0585f4794493699c82e14523fa301d26ae026aaa60527c