[INFO] crate argon2rs 0.2.5 is already in cache
[INFO] extracting crate argon2rs 0.2.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/argon2rs/0.2.5
[INFO] extracting crate argon2rs 0.2.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/argon2rs/0.2.5
[INFO] validating manifest of argon2rs-0.2.5 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of argon2rs-0.2.5 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/reg/argon2rs/0.2.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing argon2rs-0.2.5 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a8b3a0d672d107ca46e89b7fdc6e3564cac695f6c191153f703dea8dac24166b
[INFO] running `"docker" "start" "-a" "a8b3a0d672d107ca46e89b7fdc6e3564cac695f6c191153f703dea8dac24166b"`
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling argon2rs v0.2.5 (/opt/crater/workdir)
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `"docker" "inspect" "a8b3a0d672d107ca46e89b7fdc6e3564cac695f6c191153f703dea8dac24166b"`
[INFO] running `"docker" "rm" "-f" "a8b3a0d672d107ca46e89b7fdc6e3564cac695f6c191153f703dea8dac24166b"`
[INFO] [stdout] a8b3a0d672d107ca46e89b7fdc6e3564cac695f6c191153f703dea8dac24166b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 940df7612466ba6a77e2eea58db32c279ed1bc966415ff066d453373fc58e3d6
[INFO] running `"docker" "start" "-a" "940df7612466ba6a77e2eea58db32c279ed1bc966415ff066d453373fc58e3d6"`
[INFO] [stderr]    Compiling cargon v0.0.1
[INFO] [stderr]    Compiling argon2rs v0.2.5 (/opt/crater/workdir)
[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 6.31s
[INFO] running `"docker" "inspect" "940df7612466ba6a77e2eea58db32c279ed1bc966415ff066d453373fc58e3d6"`
[INFO] running `"docker" "rm" "-f" "940df7612466ba6a77e2eea58db32c279ed1bc966415ff066d453373fc58e3d6"`
[INFO] [stdout] 940df7612466ba6a77e2eea58db32c279ed1bc966415ff066d453373fc58e3d6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 5b220267dfe0946f3f61593d561ee4fb9b7f9ce9b3ba6933c3ccbffd9eb8f3e0
[INFO] running `"docker" "start" "-a" "5b220267dfe0946f3f61593d561ee4fb9b7f9ce9b3ba6933c3ccbffd9eb8f3e0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/argon2rs-243e30be28e2cc40
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test octword::test::test_lower_mult ... ok
[INFO] [stdout] test octword::test::test_rotate_right ... ok
[INFO] [stdout] test verifier::test::bad_encoded ... ok
[INFO] [stdout] test verifier::test::test_debase64_no_pad ... ok
[INFO] [stdout] test verifier::test::test_base64_no_pad ... ok
[INFO] [stdout] test argon2::tests::argon2i_kat ... ok
[INFO] [stdout] test argon2::tests::argon2d_kat ... ok
[INFO] [stderr]    Doc-tests argon2rs
[INFO] [stdout] test verifier::test::test_verify ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5b220267dfe0946f3f61593d561ee4fb9b7f9ce9b3ba6933c3ccbffd9eb8f3e0"`
[INFO] running `"docker" "rm" "-f" "5b220267dfe0946f3f61593d561ee4fb9b7f9ce9b3ba6933c3ccbffd9eb8f3e0"`
[INFO] [stdout] 5b220267dfe0946f3f61593d561ee4fb9b7f9ce9b3ba6933c3ccbffd9eb8f3e0