[INFO] updating cached repository https://github.com/jaredmcdonald/cryptopals-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d9f77f0c4682ecbeea352dedcd93f9d5a872a3d3
[INFO] checking jaredmcdonald/cryptopals-rs against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredmcdonald%2Fcryptopals-rs" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaredmcdonald/cryptopals-rs on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jaredmcdonald/cryptopals-rs
[INFO] finished tweaking git repo https://github.com/jaredmcdonald/cryptopals-rs
[INFO] tweaked toml for git repo https://github.com/jaredmcdonald/cryptopals-rs written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jaredmcdonald/cryptopals-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 415e66b99a6973a68cc14726e6cfe413fd2591cf3b69cbb842add5e2899e55c7
[INFO] running `"docker" "start" "-a" "415e66b99a6973a68cc14726e6cfe413fd2591cf3b69cbb842add5e2899e55c7"`
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/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: 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] 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] 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 previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cryptopals`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cryptopals`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "415e66b99a6973a68cc14726e6cfe413fd2591cf3b69cbb842add5e2899e55c7"`
[INFO] running `"docker" "rm" "-f" "415e66b99a6973a68cc14726e6cfe413fd2591cf3b69cbb842add5e2899e55c7"`
[INFO] [stdout] 415e66b99a6973a68cc14726e6cfe413fd2591cf3b69cbb842add5e2899e55c7