[INFO] updating cached repository nsmryan/parcel [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nsmryan/parcel [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nsmryan/parcel" "work/ex/beta-1.38-1/sources/1.37.0/gh/nsmryan/parcel"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nsmryan/parcel'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nsmryan/parcel" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsmryan/parcel"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsmryan/parcel'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b30c58887cdd8b983a0d7ba3510e2d86d155d094 [INFO] sha for GitHub repo nsmryan/parcel: b30c58887cdd8b983a0d7ba3510e2d86d155d094 [INFO] validating manifest of nsmryan/parcel 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 nsmryan/parcel 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 nsmryan/parcel [INFO] finished frobbing nsmryan/parcel [INFO] frobbed toml for nsmryan/parcel written to work/ex/beta-1.38-1/sources/1.37.0/gh/nsmryan/parcel/Cargo.toml [INFO] started frobbing nsmryan/parcel [INFO] finished frobbing nsmryan/parcel [INFO] frobbed toml for nsmryan/parcel written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsmryan/parcel/Cargo.toml [INFO] crate nsmryan/parcel 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing nsmryan/parcel against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsmryan/parcel:/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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] c3f35440975cf28a71672af956184ed63e7cee0399346e9208da9c36643e6daf [INFO] running `"docker" "start" "-a" "c3f35440975cf28a71672af956184ed63e7cee0399346e9208da9c36643e6daf"` [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling hew v0.2.4 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:174:52 [INFO] [stderr] | [INFO] [stderr] 174 | fn buffered(mut input: R, mut output: W, f: &Fn(&mut [u8], &mut Vec)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut [u8], &mut Vec)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `write_index` [INFO] [stderr] --> src/main.rs:197:13 [INFO] [stderr] | [INFO] [stderr] 197 | let mut write_index: usize = 0; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_write_index` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `write_index` [INFO] [stderr] --> src/main.rs:314:13 [INFO] [stderr] | [INFO] [stderr] 314 | let mut write_index: usize = 0; [INFO] [stderr] | ^^^^^^^^^^^ help: consider prefixing with an underscore: `_write_index` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sep` [INFO] [stderr] --> src/main.rs:312:18 [INFO] [stderr] | [INFO] [stderr] 312 | sep: &str) { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_sep` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:9 [INFO] [stderr] | [INFO] [stderr] 197 | let mut write_index: usize = 0; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:314:9 [INFO] [stderr] | [INFO] [stderr] 314 | let mut write_index: usize = 0; [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:473:9 [INFO] [stderr] | [INFO] [stderr] 473 | let mut input_file = OpenOptions::new() [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:479:9 [INFO] [stderr] | [INFO] [stderr] 479 | let mut output_file = OpenOptions::new() [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `WRITE_BUFFER_SIZE_BYTES` [INFO] [stderr] --> src/main.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const WRITE_BUFFER_SIZE_BYTES: usize = 1024*16; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `push_to_write_buffer` [INFO] [stderr] --> src/main.rs:280:1 [INFO] [stderr] | [INFO] [stderr] 280 | / fn push_to_write_buffer(output: &mut W, [INFO] [stderr] 281 | | write_buffer: &mut [u8], [INFO] [stderr] 282 | | write_index: &mut usize, [INFO] [stderr] 283 | | bytes: &[u8]) { [INFO] [stderr] ... | [INFO] [stderr] 292 | | } [INFO] [stderr] 293 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.91s [INFO] running `"docker" "inspect" "c3f35440975cf28a71672af956184ed63e7cee0399346e9208da9c36643e6daf"` [INFO] running `"docker" "rm" "-f" "c3f35440975cf28a71672af956184ed63e7cee0399346e9208da9c36643e6daf"` [INFO] [stdout] c3f35440975cf28a71672af956184ed63e7cee0399346e9208da9c36643e6daf [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsmryan/parcel:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] b8c56a446e16727b1cb0b524d6ccc888f1cdab734007595379546d2e9ee29f63 [INFO] running `"docker" "start" "-a" "b8c56a446e16727b1cb0b524d6ccc888f1cdab734007595379546d2e9ee29f63"` [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling quickcheck v0.6.2 [INFO] [stderr] Compiling hew v0.2.4 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:174:52 [INFO] [stderr] | [INFO] [stderr] 174 | fn buffered(mut input: R, mut output: W, f: &Fn(&mut [u8], &mut Vec)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut [u8], &mut Vec)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:229:12 [INFO] [stderr] | [INFO] [stderr] 229 | encode(input.as_bytes(), &mut output); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `&[u8]` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:239:12 [INFO] [stderr] | [INFO] [stderr] 239 | encode(input.as_bytes(), &mut output); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `&[u8]` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:248:12 [INFO] [stderr] | [INFO] [stderr] 248 | encode(input.as_bytes(), &mut output); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `&[u8]` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:257:12 [INFO] [stderr] | [INFO] [stderr] 257 | encode(input.as_bytes(), &mut output); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `&[u8]` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:267:12 [INFO] [stderr] | [INFO] [stderr] 267 | encode(input.as_bytes(), &mut output); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `&[u8]` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:276:12 [INFO] [stderr] | [INFO] [stderr] 276 | encode(input.as_bytes(), &mut output); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ types differ in mutability [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `&[u8]` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:361:10 [INFO] [stderr] | [INFO] [stderr] 361 | decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `std::io::Cursor` [INFO] [stderr] | help: consider mutably borrowing here: `&mut Cursor::new(input)` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `std::io::Cursor>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:378:10 [INFO] [stderr] | [INFO] [stderr] 378 | decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `std::io::Cursor` [INFO] [stderr] | help: consider mutably borrowing here: `&mut Cursor::new(input)` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `std::io::Cursor>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:385:10 [INFO] [stderr] | [INFO] [stderr] 385 | decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `std::io::Cursor` [INFO] [stderr] | help: consider mutably borrowing here: `&mut Cursor::new(input)` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `std::io::Cursor>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:401:10 [INFO] [stderr] | [INFO] [stderr] 401 | decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `std::io::Cursor` [INFO] [stderr] | help: consider mutably borrowing here: `&mut Cursor::new(input)` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `std::io::Cursor>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:408:10 [INFO] [stderr] | [INFO] [stderr] 408 | decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `std::io::Cursor` [INFO] [stderr] | help: consider mutably borrowing here: `&mut Cursor::new(input)` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `std::io::Cursor>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:415:10 [INFO] [stderr] | [INFO] [stderr] 415 | decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `std::io::Cursor` [INFO] [stderr] | help: consider mutably borrowing here: `&mut Cursor::new(input)` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `std::io::Cursor>` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:422:10 [INFO] [stderr] | [INFO] [stderr] 422 | decode(Cursor::new(input), &mut output, line_width, word_width, case, prefix, &sep); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `std::io::Cursor` [INFO] [stderr] | help: consider mutably borrowing here: `&mut Cursor::new(input)` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `std::io::Cursor>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 13 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0308`. [INFO] [stderr] error: Could not compile `hew`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "b8c56a446e16727b1cb0b524d6ccc888f1cdab734007595379546d2e9ee29f63"` [INFO] running `"docker" "rm" "-f" "b8c56a446e16727b1cb0b524d6ccc888f1cdab734007595379546d2e9ee29f63"` [INFO] [stdout] b8c56a446e16727b1cb0b524d6ccc888f1cdab734007595379546d2e9ee29f63