[INFO] cloning repository https://github.com/josh-kean/rust_des
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/josh-kean/rust_des" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosh-kean%2Frust_des", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosh-kean%2Frust_des'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbb6856d8d3a880ab89f5ad1cd84462d6ca52dc6
[INFO] checking josh-kean/rust_des against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosh-kean%2Frust_des" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/josh-kean/rust_des on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/josh-kean/rust_des
[INFO] finished tweaking git repo https://github.com/josh-kean/rust_des
[INFO] tweaked toml for git repo https://github.com/josh-kean/rust_des written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/josh-kean/rust_des already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3bd6e32f0d3f09fa2ce832e07dbbdaa14538d93a27413c774dfbe56125688be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3bd6e32f0d3f09fa2ce832e07dbbdaa14538d93a27413c774dfbe56125688be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3bd6e32f0d3f09fa2ce832e07dbbdaa14538d93a27413c774dfbe56125688be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3bd6e32f0d3f09fa2ce832e07dbbdaa14538d93a27413c774dfbe56125688be", kill_on_drop: false }`
[INFO] [stdout] b3bd6e32f0d3f09fa2ce832e07dbbdaa14538d93a27413c774dfbe56125688be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a27deb1331d305391174542c34b7416028ec73fe6690d019042a9d0c20fd9aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5a27deb1331d305391174542c34b7416028ec73fe6690d019042a9d0c20fd9aa", kill_on_drop: false }`
[INFO] [stderr]     Checking DES v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `initial_permutation`
[INFO] [stdout]   --> src/lib.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let permutate = initial_permutation::Permutations::new();
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `initial_permutation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `SBox` in `sbox`
[INFO] [stdout]   --> src/lib.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let sbox = sbox::SBox::new();
[INFO] [stdout]    |                          ^^^^ not found in `sbox`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 9  |     use crate::sbox::boxes::SBox;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_box`
[INFO] [stdout]   --> src/sbox/boxes.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let target_box = if _sbox == 1 {
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_box`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `DES` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `des`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `DES`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5a27deb1331d305391174542c34b7416028ec73fe6690d019042a9d0c20fd9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a27deb1331d305391174542c34b7416028ec73fe6690d019042a9d0c20fd9aa", kill_on_drop: false }`
[INFO] [stdout] 5a27deb1331d305391174542c34b7416028ec73fe6690d019042a9d0c20fd9aa