[INFO] updating cached repository JohnDoneth/password-extractor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JohnDoneth/password-extractor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JohnDoneth/password-extractor" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/JohnDoneth/password-extractor"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/JohnDoneth/password-extractor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JohnDoneth/password-extractor" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/JohnDoneth/password-extractor"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/JohnDoneth/password-extractor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9bdd6dec8a6d6173939c163855806a5d04cf035a
[INFO] sha for GitHub repo JohnDoneth/password-extractor: 9bdd6dec8a6d6173939c163855806a5d04cf035a
[INFO] validating manifest of JohnDoneth/password-extractor on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JohnDoneth/password-extractor on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JohnDoneth/password-extractor
[INFO] finished frobbing JohnDoneth/password-extractor
[INFO] frobbed toml for JohnDoneth/password-extractor written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/JohnDoneth/password-extractor/Cargo.toml
[INFO] started frobbing JohnDoneth/password-extractor
[INFO] finished frobbing JohnDoneth/password-extractor
[INFO] frobbed toml for JohnDoneth/password-extractor written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/JohnDoneth/password-extractor/Cargo.toml
[INFO] crate JohnDoneth/password-extractor already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking JohnDoneth/password-extractor against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/JohnDoneth/password-extractor:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 23c6d7e364b12282efed0fb1942bbb699d7a2eb162ac258d71e1b1d26adf4a5a
[INFO] running `"docker" "start" "-a" "23c6d7e364b12282efed0fb1942bbb699d7a2eb162ac258d71e1b1d26adf4a5a"`
[INFO] [stderr]    Compiling regex v1.1.3
[INFO] [stderr]    Compiling sysinfo v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking password-extractor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `App`
[INFO] [stderr]  --> src/main.rs:3:89
[INFO] [stderr]   |
[INFO] [stderr] 3 | use clap::{app_from_crate, crate_authors, crate_description, crate_name, crate_version, App, Arg};
[INFO] [stderr]   |                                                                                         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crossbeam_channel::unbounded`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crossbeam_channel::unbounded;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MultiProgress`
[INFO] [stderr]    --> src/main.rs:110:21
[INFO] [stderr]     |
[INFO] [stderr] 110 |     use indicatif::{MultiProgress, ProgressBar};
[INFO] [stderr]     |                     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `alphabet`
[INFO] [stderr]   --> src/main.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn alphabet() -> impl Iterator<Item = char> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_dir2`
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn create_dir2(root: &Path, c: char) -> PathBuf {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         writeln!(file, "{}", password);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `App`
[INFO] [stderr]  --> src/main.rs:3:89
[INFO] [stderr]   |
[INFO] [stderr] 3 | use clap::{app_from_crate, crate_authors, crate_description, crate_name, crate_version, App, Arg};
[INFO] [stderr]   |                                                                                         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crossbeam_channel::unbounded`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crossbeam_channel::unbounded;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MultiProgress`
[INFO] [stderr]    --> src/main.rs:110:21
[INFO] [stderr]     |
[INFO] [stderr] 110 |     use indicatif::{MultiProgress, ProgressBar};
[INFO] [stderr]     |                     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `alphabet`
[INFO] [stderr]   --> src/main.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn alphabet() -> impl Iterator<Item = char> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_dir2`
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn create_dir2(root: &Path, c: char) -> PathBuf {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         writeln!(file, "{}", password);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.30s
[INFO] running `"docker" "inspect" "23c6d7e364b12282efed0fb1942bbb699d7a2eb162ac258d71e1b1d26adf4a5a"`
[INFO] running `"docker" "rm" "-f" "23c6d7e364b12282efed0fb1942bbb699d7a2eb162ac258d71e1b1d26adf4a5a"`
[INFO] [stdout] 23c6d7e364b12282efed0fb1942bbb699d7a2eb162ac258d71e1b1d26adf4a5a