[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-1.38-1/sources/1.37.0/gh/Morindhal/password_maker_lib"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Morindhal/password_maker_lib'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Morindhal/password_maker_lib" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Morindhal/password_maker_lib"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Morindhal/password_maker_lib on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Morindhal/password_maker_lib against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9675e5730e386a49e2c70d2ebf6457cf714bd14cfda460368c87de8f43c18ab1
[INFO] running `"docker" "start" "-a" "9675e5730e386a49e2c70d2ebf6457cf714bd14cfda460368c87de8f43c18ab1"`
[INFO] [stderr]    Compiling password_maker_lib v1.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "9675e5730e386a49e2c70d2ebf6457cf714bd14cfda460368c87de8f43c18ab1"`
[INFO] running `"docker" "rm" "-f" "9675e5730e386a49e2c70d2ebf6457cf714bd14cfda460368c87de8f43c18ab1"`
[INFO] [stdout] 9675e5730e386a49e2c70d2ebf6457cf714bd14cfda460368c87de8f43c18ab1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fb180a3a68968322a29e0fd6125386aa9024d33ce47ae3fffb58c27c842d3b6b
[INFO] running `"docker" "start" "-a" "fb180a3a68968322a29e0fd6125386aa9024d33ce47ae3fffb58c27c842d3b6b"`
[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 1.17s
[INFO] running `"docker" "inspect" "fb180a3a68968322a29e0fd6125386aa9024d33ce47ae3fffb58c27c842d3b6b"`
[INFO] running `"docker" "rm" "-f" "fb180a3a68968322a29e0fd6125386aa9024d33ce47ae3fffb58c27c842d3b6b"`
[INFO] [stdout] fb180a3a68968322a29e0fd6125386aa9024d33ce47ae3fffb58c27c842d3b6b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 8d9fce2379dae262d973a3c7dfa069f68fe11dbde73c00b854429f0caf76c62d
[INFO] running `"docker" "start" "-a" "8d9fce2379dae262d973a3c7dfa069f68fe11dbde73c00b854429f0caf76c62d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/password_maker_lib-8b18ea8936cbf9fe
[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" "8d9fce2379dae262d973a3c7dfa069f68fe11dbde73c00b854429f0caf76c62d"`
[INFO] running `"docker" "rm" "-f" "8d9fce2379dae262d973a3c7dfa069f68fe11dbde73c00b854429f0caf76c62d"`
[INFO] [stdout] 8d9fce2379dae262d973a3c7dfa069f68fe11dbde73c00b854429f0caf76c62d