[INFO] updating cached repository Morindhal/password_maker_lib
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Morindhal/password_maker_lib
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Morindhal/password_maker_lib" "work/ex/beta-1.37-6/sources/1.36.0/gh/Morindhal/password_maker_lib"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Morindhal/password_maker_lib'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Morindhal/password_maker_lib" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Morindhal/password_maker_lib"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Morindhal/password_maker_lib'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e3bbe98df35f38058a66a3dd31832a33a559e576
[INFO] sha for GitHub repo Morindhal/password_maker_lib: e3bbe98df35f38058a66a3dd31832a33a559e576
[INFO] validating manifest of Morindhal/password_maker_lib 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 Morindhal/password_maker_lib 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 Morindhal/password_maker_lib
[INFO] finished frobbing Morindhal/password_maker_lib
[INFO] frobbed toml for Morindhal/password_maker_lib written to work/ex/beta-1.37-6/sources/1.36.0/gh/Morindhal/password_maker_lib/Cargo.toml
[INFO] started frobbing Morindhal/password_maker_lib
[INFO] finished frobbing Morindhal/password_maker_lib
[INFO] frobbed toml for Morindhal/password_maker_lib written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Morindhal/password_maker_lib/Cargo.toml
[INFO] crate Morindhal/password_maker_lib already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Morindhal/password_maker_lib/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 Morindhal/password_maker_lib against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Morindhal/password_maker_lib:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a65e2f513b65325624bae545e873b76c7c0d9821e67ae51a89dade2cb73b89c8
[INFO] running `"docker" "start" "-a" "a65e2f513b65325624bae545e873b76c7c0d9821e67ae51a89dade2cb73b89c8"`
[INFO] [stderr]    Compiling password_maker_lib v1.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "a65e2f513b65325624bae545e873b76c7c0d9821e67ae51a89dade2cb73b89c8"`
[INFO] running `"docker" "rm" "-f" "a65e2f513b65325624bae545e873b76c7c0d9821e67ae51a89dade2cb73b89c8"`
[INFO] [stdout] a65e2f513b65325624bae545e873b76c7c0d9821e67ae51a89dade2cb73b89c8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Morindhal/password_maker_lib:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] c4f794b505d34c224913f21b81c62b8a5b22828011cf2cb98714edc993bc6ddd
[INFO] running `"docker" "start" "-a" "c4f794b505d34c224913f21b81c62b8a5b22828011cf2cb98714edc993bc6ddd"`
[INFO] [stderr]    Compiling password_maker_lib v1.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let mut passwords = super::create_package(&length, &amount);
[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 1.42s
[INFO] running `"docker" "inspect" "c4f794b505d34c224913f21b81c62b8a5b22828011cf2cb98714edc993bc6ddd"`
[INFO] running `"docker" "rm" "-f" "c4f794b505d34c224913f21b81c62b8a5b22828011cf2cb98714edc993bc6ddd"`
[INFO] [stdout] c4f794b505d34c224913f21b81c62b8a5b22828011cf2cb98714edc993bc6ddd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Morindhal/password_maker_lib:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c4c8ebd3025ef4baefd5411296ea7ece9ed29b4d425144f3455505e6d2aae46f
[INFO] running `"docker" "start" "-a" "c4c8ebd3025ef4baefd5411296ea7ece9ed29b4d425144f3455505e6d2aae46f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/password_maker_lib-c03bf8c272b0ee3b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::bounds_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests password_maker_lib
[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" "c4c8ebd3025ef4baefd5411296ea7ece9ed29b4d425144f3455505e6d2aae46f"`
[INFO] running `"docker" "rm" "-f" "c4c8ebd3025ef4baefd5411296ea7ece9ed29b4d425144f3455505e6d2aae46f"`
[INFO] [stdout] c4c8ebd3025ef4baefd5411296ea7ece9ed29b4d425144f3455505e6d2aae46f