[INFO] updating cached repository https://github.com/daogangtang/cryptopals
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 06bf9e3c72cedfb831dfc5e6fffe74c61c5b873b
[INFO] checking daogangtang/cryptopals against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaogangtang%2Fcryptopals" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daogangtang/cryptopals on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/daogangtang/cryptopals
[INFO] finished tweaking git repo https://github.com/daogangtang/cryptopals
[INFO] tweaked toml for git repo https://github.com/daogangtang/cryptopals written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/daogangtang/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91c5feb032de188c55206cc5bfd496bd2b192aec87a984e2e2d4da67441e2289
[INFO] running `"docker" "start" "-a" "91c5feb032de188c55206cc5bfd496bd2b192aec87a984e2e2d4da67441e2289"`
[INFO] [stderr]     Checking cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `hex`
[INFO] [stderr]  --> src/break-repeating-key-xor.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use hex;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex`
[INFO] [stderr]  --> src/helper.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hex;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `target_msg` is assigned to, but never used
[INFO] [stderr]   --> src/helper.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut target_msg: Vec<u8> = vec![];
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_target_msg` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `target_msg` is never read
[INFO] [stderr]   --> src/helper.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             target_msg = decrypted_bytes;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex`
[INFO] [stderr]  --> src/break-repeating-key-xor.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use hex;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hex`
[INFO] [stderr]  --> src/helper.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hex;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `target_msg` is assigned to, but never used
[INFO] [stderr]   --> src/helper.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let mut target_msg: Vec<u8> = vec![];
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_target_msg` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `target_msg` is never read
[INFO] [stderr]   --> src/helper.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             target_msg = decrypted_bytes;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `"docker" "inspect" "91c5feb032de188c55206cc5bfd496bd2b192aec87a984e2e2d4da67441e2289"`
[INFO] running `"docker" "rm" "-f" "91c5feb032de188c55206cc5bfd496bd2b192aec87a984e2e2d4da67441e2289"`
[INFO] [stdout] 91c5feb032de188c55206cc5bfd496bd2b192aec87a984e2e2d4da67441e2289