[INFO] cloning repository https://github.com/saebs/cs50rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saebs/cs50rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaebs%2Fcs50rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaebs%2Fcs50rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff76e3b854b629608993a1d78013f4de60e431d8
[INFO] building saebs/cs50rs against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaebs%2Fcs50rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saebs/cs50rs on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saebs/cs50rs
[INFO] finished tweaking git repo https://github.com/saebs/cs50rs
[INFO] tweaked toml for git repo https://github.com/saebs/cs50rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/saebs/cs50rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 718abd5e6c603d75424fe4c56ef315fefec64efef2be9bc3e4ab04c6b6aa5e64
[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" "718abd5e6c603d75424fe4c56ef315fefec64efef2be9bc3e4ab04c6b6aa5e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "718abd5e6c603d75424fe4c56ef315fefec64efef2be9bc3e4ab04c6b6aa5e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718abd5e6c603d75424fe4c56ef315fefec64efef2be9bc3e4ab04c6b6aa5e64", kill_on_drop: false }`
[INFO] [stdout] 718abd5e6c603d75424fe4c56ef315fefec64efef2be9bc3e4ab04c6b6aa5e64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41cbbbb76b3f26156bd78335b03f45e26ffae5a4f64e60f9a7e10b149db14ddf
[INFO] running `Command { std: "docker" "start" "-a" "41cbbbb76b3f26156bd78335b03f45e26ffae5a4f64e60f9a7e10b149db14ddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cs50rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/pset1_rust/credit.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |             ('5', '1'...'5', SXTN) =>  (M, {}, {}),  // Mastercard numbers are 16 digit, start with 51 to 55
[INFO] [stdout]    |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/pset2_crypto/crack.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0517]: attribute should be applied to a struct, enum, or union
[INFO] [stdout]  --> src/pset2_crypto/crack.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     #[repr(C)]
[INFO] [stdout]   |            ^
[INFO] [stdout] 6 |     fn crypt<'a>(key: *const u8, salt: *const u8) -> *const u8; 
[INFO] [stdout]   |     ----------------------------------------------------------- not a struct, enum, or union
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0517`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cs50rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "41cbbbb76b3f26156bd78335b03f45e26ffae5a4f64e60f9a7e10b149db14ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41cbbbb76b3f26156bd78335b03f45e26ffae5a4f64e60f9a7e10b149db14ddf", kill_on_drop: false }`
[INFO] [stdout] 41cbbbb76b3f26156bd78335b03f45e26ffae5a4f64e60f9a7e10b149db14ddf
