[INFO] updating cached repository commiebstrd/cryptopals_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/commiebstrd/cryptopals_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/commiebstrd/cryptopals_rs" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/commiebstrd/cryptopals_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/commiebstrd/cryptopals_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/commiebstrd/cryptopals_rs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/commiebstrd/cryptopals_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/commiebstrd/cryptopals_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b87f02762b08fe81b358c7d827164362ceebc2c
[INFO] sha for GitHub repo commiebstrd/cryptopals_rs: 4b87f02762b08fe81b358c7d827164362ceebc2c
[INFO] validating manifest of commiebstrd/cryptopals_rs 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 commiebstrd/cryptopals_rs 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 commiebstrd/cryptopals_rs
[INFO] finished frobbing commiebstrd/cryptopals_rs
[INFO] frobbed toml for commiebstrd/cryptopals_rs written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/commiebstrd/cryptopals_rs/Cargo.toml
[INFO] started frobbing commiebstrd/cryptopals_rs
[INFO] finished frobbing commiebstrd/cryptopals_rs
[INFO] frobbed toml for commiebstrd/cryptopals_rs written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/commiebstrd/cryptopals_rs/Cargo.toml
[INFO] crate commiebstrd/cryptopals_rs 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] checking commiebstrd/cryptopals_rs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/commiebstrd/cryptopals_rs:/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] c9a4a5494ff74cdf01f346ceab4392008c6985910af383850fe62611ab1f54d7
[INFO] running `"docker" "start" "-a" "c9a4a5494ff74cdf01f346ceab4392008c6985910af383850fe62611ab1f54d7"`
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]     Checking hex_d_hex v1.0.1
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utils.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |             65...90 => freqmap.entry(*c-65).or_insert(engfreq[(*c-65) as usize]), // lower
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utils.rs:66:6
[INFO] [stderr]    |
[INFO] [stderr] 66 |             97...122 => freqmap.entry(*c-97).or_insert(engfreq[(*c-97) as usize]), // upper
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utils.rs:67:6
[INFO] [stderr]    |
[INFO] [stderr] 67 |             32...126 => { ignored+=1; continue; }, // numbers, puctuation
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/challenges/chal3.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 |             65...90 => true, // lower
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/challenges/chal3.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 |             97...122 => true, // upper
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/challenges/chal3.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 |             32...126 => true, // numbers, puctuation
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex_d_hex::dhex`
[INFO] [stderr]  --> src/challenges/chal4.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hex_d_hex::dhex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `challenges::chal4::challenge4`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use challenges::chal4::challenge4;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utils.rs:65:6
[INFO] [stderr]    |
[INFO] [stderr] 65 |             65...90 => freqmap.entry(*c-65).or_insert(engfreq[(*c-65) as usize]), // lower
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utils.rs:66:6
[INFO] [stderr]    |
[INFO] [stderr] 66 |             97...122 => freqmap.entry(*c-97).or_insert(engfreq[(*c-97) as usize]), // upper
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/utils.rs:67:6
[INFO] [stderr]    |
[INFO] [stderr] 67 |             32...126 => { ignored+=1; continue; }, // numbers, puctuation
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/challenges/chal3.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 |             65...90 => true, // lower
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/challenges/chal3.rs:19:6
[INFO] [stderr]    |
[INFO] [stderr] 19 |             97...122 => true, // upper
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/challenges/chal3.rs:20:6
[INFO] [stderr]    |
[INFO] [stderr] 20 |             32...126 => true, // numbers, puctuation
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex_d_hex::dhex`
[INFO] [stderr]  --> src/challenges/chal4.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hex_d_hex::dhex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `challenges::chal4::challenge4`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use challenges::chal4::challenge4;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 |             3 => challenge3(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 |             3 => challenge3(),
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `DECODED`
[INFO] [stderr]  --> src/challenges/chal4.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | static DECODED: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `KEY`
[INFO] [stderr]  --> src/challenges/chal4.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | static KEY: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `ENCODED`
[INFO] [stderr]  --> src/challenges/chal4.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | static ENCODED: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `challenge4`
[INFO] [stderr]  --> src/challenges/chal4.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn challenge4() -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `DECODED`
[INFO] [stderr]  --> src/challenges/chal4.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | static DECODED: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `KEY`
[INFO] [stderr]  --> src/challenges/chal4.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | static KEY: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `ENCODED`
[INFO] [stderr]  --> src/challenges/chal4.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | static ENCODED: &'static str = "";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.96s
[INFO] running `"docker" "inspect" "c9a4a5494ff74cdf01f346ceab4392008c6985910af383850fe62611ab1f54d7"`
[INFO] running `"docker" "rm" "-f" "c9a4a5494ff74cdf01f346ceab4392008c6985910af383850fe62611ab1f54d7"`
[INFO] [stdout] c9a4a5494ff74cdf01f346ceab4392008c6985910af383850fe62611ab1f54d7