[INFO] updating cached repository chrisbutcher/huffman-coding-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/chrisbutcher/huffman-coding-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/chrisbutcher/huffman-coding-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/chrisbutcher/huffman-coding-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/chrisbutcher/huffman-coding-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/chrisbutcher/huffman-coding-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chrisbutcher/huffman-coding-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chrisbutcher/huffman-coding-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 499395f28055deed479795f132a93eb0627b039f [INFO] sha for GitHub repo chrisbutcher/huffman-coding-rust: 499395f28055deed479795f132a93eb0627b039f [INFO] validating manifest of chrisbutcher/huffman-coding-rust on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of chrisbutcher/huffman-coding-rust on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing chrisbutcher/huffman-coding-rust [INFO] finished frobbing chrisbutcher/huffman-coding-rust [INFO] frobbed toml for chrisbutcher/huffman-coding-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/chrisbutcher/huffman-coding-rust/Cargo.toml [INFO] started frobbing chrisbutcher/huffman-coding-rust [INFO] finished frobbing chrisbutcher/huffman-coding-rust [INFO] frobbed toml for chrisbutcher/huffman-coding-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chrisbutcher/huffman-coding-rust/Cargo.toml [INFO] crate chrisbutcher/huffman-coding-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/chrisbutcher/huffman-coding-rust/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing chrisbutcher/huffman-coding-rust against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/chrisbutcher/huffman-coding-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 37b8bd71e6c9e27b00433dc727da35a6f232a9d6ebdbfeaef919cc6fafdb9212 [INFO] running `"docker" "start" "-a" "37b8bd71e6c9e27b00433dc727da35a6f232a9d6ebdbfeaef919cc6fafdb9212"` [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling crossbeam v0.7.2 [INFO] [stderr] Compiling huffman_coding v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments [INFO] [stderr] --> src/codebook.rs:92:26 [INFO] [stderr] | [INFO] [stderr] 92 | threads.push(scope.spawn(move || { [INFO] [stderr] | ^^^^^ ------- takes 0 arguments [INFO] [stderr] | | [INFO] [stderr] | expected closure that takes 1 argument [INFO] [stderr] help: consider changing the closure to take and ignore the expected argument [INFO] [stderr] | [INFO] [stderr] 92 | threads.push(scope.spawn(move |_| { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/codebook.rs:105:26 [INFO] [stderr] | [INFO] [stderr] 105 | util::hash_map_reducer(results) [INFO] [stderr] | ^^^^^^^ expected struct `std::collections::HashMap`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::vec::Vec>` [INFO] [stderr] found type `std::vec::Vec>>` [INFO] [stderr] [INFO] [stderr] error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments [INFO] [stderr] --> src/compress.rs:38:26 [INFO] [stderr] | [INFO] [stderr] 38 | threads.push(scope.spawn(move|| { [INFO] [stderr] | ^^^^^ ------ takes 0 arguments [INFO] [stderr] | | [INFO] [stderr] | expected closure that takes 1 argument [INFO] [stderr] help: consider changing the closure to take and ignore the expected argument [INFO] [stderr] | [INFO] [stderr] 38 | threads.push(scope.spawn(|_| { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/compress.rs:51:3 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn parallel_compress(substrings: &Vec<&str>, codebook: &codebook::Codebook) -> Vec { [INFO] [stderr] | ---------------------- expected `std::vec::Vec` because of return type [INFO] [stderr] ... [INFO] [stderr] 51 | results [INFO] [stderr] | ^^^^^^^ expected struct `compress::CompressionResult`, found enum `std::result::Result` [INFO] [stderr] | [INFO] [stderr] = note: expected type `std::vec::Vec` [INFO] [stderr] found type `std::vec::Vec>>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0593. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `huffman_coding`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "37b8bd71e6c9e27b00433dc727da35a6f232a9d6ebdbfeaef919cc6fafdb9212"` [INFO] running `"docker" "rm" "-f" "37b8bd71e6c9e27b00433dc727da35a6f232a9d6ebdbfeaef919cc6fafdb9212"` [INFO] [stdout] 37b8bd71e6c9e27b00433dc727da35a6f232a9d6ebdbfeaef919cc6fafdb9212