[INFO] updating cached repository jaredmcdonald/cryptopals-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jaredmcdonald/cryptopals-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jaredmcdonald/cryptopals-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/jaredmcdonald/cryptopals-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jaredmcdonald/cryptopals-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jaredmcdonald/cryptopals-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jaredmcdonald/cryptopals-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jaredmcdonald/cryptopals-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d9f77f0c4682ecbeea352dedcd93f9d5a872a3d3
[INFO] sha for GitHub repo jaredmcdonald/cryptopals-rs: d9f77f0c4682ecbeea352dedcd93f9d5a872a3d3
[INFO] validating manifest of jaredmcdonald/cryptopals-rs 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 jaredmcdonald/cryptopals-rs 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 jaredmcdonald/cryptopals-rs
[INFO] finished frobbing jaredmcdonald/cryptopals-rs
[INFO] frobbed toml for jaredmcdonald/cryptopals-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/jaredmcdonald/cryptopals-rs/Cargo.toml
[INFO] started frobbing jaredmcdonald/cryptopals-rs
[INFO] finished frobbing jaredmcdonald/cryptopals-rs
[INFO] frobbed toml for jaredmcdonald/cryptopals-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jaredmcdonald/cryptopals-rs/Cargo.toml
[INFO] crate jaredmcdonald/cryptopals-rs 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] 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] testing jaredmcdonald/cryptopals-rs 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jaredmcdonald/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=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] fa44a906fecb122be3f8986cd45f780ed553d33c41d6ba2226acaaa888775320
[INFO] running `"docker" "start" "-a" "fa44a906fecb122be3f8986cd45f780ed553d33c41d6ba2226acaaa888775320"`
[INFO] [stderr]    Compiling openssl v0.9.19
[INFO] [stderr]    Compiling sha1 v0.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.19
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: format argument must be a string literal
[INFO] [stderr]   --> src/exercise_02.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 |         println!('✅');
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr] help: you might be missing a string literal to format with
[INFO] [stderr]    |
[INFO] [stderr] 18 |         println!("{}", '✅');
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/exercise_17.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |     padding_oracle: &Fn(&[u8], &[u8]) -> bool
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8], &[u8]) -> bool`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/aes_oracles.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type Encrypter<'a> = Box<Fn(&[u8]) -> Vec<u8> + 'a>;
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[u8]) -> Vec<u8> + 'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `cryptopals`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fa44a906fecb122be3f8986cd45f780ed553d33c41d6ba2226acaaa888775320"`
[INFO] running `"docker" "rm" "-f" "fa44a906fecb122be3f8986cd45f780ed553d33c41d6ba2226acaaa888775320"`
[INFO] [stdout] fa44a906fecb122be3f8986cd45f780ed553d33c41d6ba2226acaaa888775320