[INFO] cloning repository https://github.com/FredericHeem/rust-by-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FredericHeem/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredericHeem%2Frust-by-example"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredericHeem%2Frust-by-example'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5ba1425ab145779f67b9ef2474e867945577c80b [INFO] checking FredericHeem/rust-by-example against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredericHeem%2Frust-by-example" "/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/FredericHeem/rust-by-example on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/FredericHeem/rust-by-example [INFO] finished tweaking git repo https://github.com/FredericHeem/rust-by-example [INFO] tweaked toml for git repo https://github.com/FredericHeem/rust-by-example written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/FredericHeem/rust-by-example already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] c4d0febfdef63931e1fed20bb69f825e539410a485c6e41c5b64b2c96f1cd08d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "c4d0febfdef63931e1fed20bb69f825e539410a485c6e41c5b64b2c96f1cd08d"` [INFO] [stderr] Compiling rayon-core v1.0.2 [INFO] [stderr] Checking deque v0.3.2 [INFO] [stderr] Checking num_cpus v1.5.0 [INFO] [stderr] Checking time v0.1.37 [INFO] [stderr] Checking num-integer v0.1.34 [INFO] [stderr] Checking num-iter v0.1.33 [INFO] [stderr] Checking num v0.1.37 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking rayon v0.7.1 [INFO] [stderr] Checking rust-by-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/parallel.rs:27:46 [INFO] [stderr] | [INFO] [stderr] 27 | let result = check_passwords(&passwords, &mut key_pair); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected struct `std::string::String`, found mutable reference [INFO] [stderr] | help: consider removing the borrow: `key_pair` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::string::String` [INFO] [stderr] found type `&mut std::string::String` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: could not compile `rust-by-example`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/tree.rs:58:18 [INFO] [stderr] | [INFO] [stderr] 58 | Some(root) => println!("has root"), [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_root` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0596]: cannot borrow `key_pair` as mutable, as it is a captured variable in a `Fn` closure [INFO] [stderr] --> src/parallel.rs:16:59 [INFO] [stderr] | [INFO] [stderr] 16 | passwords.par_iter().find_any(|&&x| check_password(x, &mut key_pair)); [INFO] [stderr] | ^^^^^^^^^^^^^ cannot borrow as mutable [INFO] [stderr] | [INFO] [stderr] help: consider changing this to accept closures that implement `FnMut` [INFO] [stderr] --> src/parallel.rs:16:35 [INFO] [stderr] | [INFO] [stderr] 16 | passwords.par_iter().find_any(|&&x| check_password(x, &mut key_pair)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0596`. [INFO] [stderr] error: could not compile `rust-by-example`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "c4d0febfdef63931e1fed20bb69f825e539410a485c6e41c5b64b2c96f1cd08d"` [INFO] running `"docker" "rm" "-f" "c4d0febfdef63931e1fed20bb69f825e539410a485c6e41c5b64b2c96f1cd08d"` [INFO] [stdout] c4d0febfdef63931e1fed20bb69f825e539410a485c6e41c5b64b2c96f1cd08d