[INFO] fetching crate salsa20-core 0.1.0...
[INFO] extracting crate salsa20-core 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/salsa20-core/0.1.0
[INFO] extracting crate salsa20-core 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/salsa20-core/0.1.0
[INFO] validating manifest of salsa20-core-0.1.0 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 salsa20-core-0.1.0 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 salsa20-core-0.1.0
[INFO] finished frobbing salsa20-core-0.1.0
[INFO] frobbed toml for salsa20-core-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/salsa20-core/0.1.0/Cargo.toml
[INFO] started frobbing salsa20-core-0.1.0
[INFO] finished frobbing salsa20-core-0.1.0
[INFO] frobbed toml for salsa20-core-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/salsa20-core/0.1.0/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 salsa20-core-0.1.0 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/salsa20-core/0.1.0:/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] 07adf2fced193894a4040887ff229b9e46c34a6021ea9aead3c6524d66eea4b1
[INFO] running `"docker" "start" "-a" "07adf2fced193894a4040887ff229b9e46c34a6021ea9aead3c6524d66eea4b1"`
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling stream-cipher v0.3.0
[INFO] [stderr]    Compiling salsa20-core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `word_idx` is never read
[INFO] [stderr]   --> src/salsa_family_state.rs:98:25
[INFO] [stderr]    |
[INFO] [stderr] 98 |                         word_idx = 0;
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "07adf2fced193894a4040887ff229b9e46c34a6021ea9aead3c6524d66eea4b1"`
[INFO] running `"docker" "rm" "-f" "07adf2fced193894a4040887ff229b9e46c34a6021ea9aead3c6524d66eea4b1"`
[INFO] [stdout] 07adf2fced193894a4040887ff229b9e46c34a6021ea9aead3c6524d66eea4b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/salsa20-core/0.1.0:/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] ce8d92f3885983e642c87d603177a32758754b9f1240858d77953344e6acf277
[INFO] running `"docker" "start" "-a" "ce8d92f3885983e642c87d603177a32758754b9f1240858d77953344e6acf277"`
[INFO] [stderr]    Compiling salsa20-core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `word_idx` is never read
[INFO] [stderr]   --> src/salsa_family_state.rs:98:25
[INFO] [stderr]    |
[INFO] [stderr] 98 |                         word_idx = 0;
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "ce8d92f3885983e642c87d603177a32758754b9f1240858d77953344e6acf277"`
[INFO] running `"docker" "rm" "-f" "ce8d92f3885983e642c87d603177a32758754b9f1240858d77953344e6acf277"`
[INFO] [stdout] ce8d92f3885983e642c87d603177a32758754b9f1240858d77953344e6acf277
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/salsa20-core/0.1.0:/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] e411657095e71a5f2a0e6761b47cf0ca759aabb8d4285eb56ad5411dfa78f202
[INFO] running `"docker" "start" "-a" "e411657095e71a5f2a0e6761b47cf0ca759aabb8d4285eb56ad5411dfa78f202"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/salsa20_core-7e8587268f034334
[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] [stderr]    Doc-tests salsa20-core
[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" "e411657095e71a5f2a0e6761b47cf0ca759aabb8d4285eb56ad5411dfa78f202"`
[INFO] running `"docker" "rm" "-f" "e411657095e71a5f2a0e6761b47cf0ca759aabb8d4285eb56ad5411dfa78f202"`
[INFO] [stdout] e411657095e71a5f2a0e6761b47cf0ca759aabb8d4285eb56ad5411dfa78f202