[INFO] crate buf_redux 0.8.4 is already in cache [INFO] testing buf_redux-0.8.4 against 1.38.0 for beta-1.39-1 [INFO] extracting crate buf_redux 0.8.4 into work/builds/worker-6/source [INFO] validating manifest of crates.io crate buf_redux 0.8.4 on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate buf_redux 0.8.4 [INFO] finished tweaking crates.io crate buf_redux 0.8.4 [INFO] tweaked toml for crates.io crate buf_redux 0.8.4 written to work/builds/worker-6/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] e196bc58c41b2d2767d6a135f96900e23177af86150e74a44ebb2e28281fb848 [INFO] running `"docker" "start" "-a" "e196bc58c41b2d2767d6a135f96900e23177af86150e74a44ebb2e28281fb848"` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling slice-deque v0.2.4 [INFO] [stderr] Compiling buf_redux v0.8.4 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:373:45 [INFO] [stderr] | [INFO] [stderr] 373 | pub fn boxed<'a>(self) -> BufReader, P> where R: 'a { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:374:24 [INFO] [stderr] | [INFO] [stderr] 374 | let inner: Box = Box::new(self.inner); [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:871:32 [INFO] [stderr] | [INFO] [stderr] 871 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:1273:42 [INFO] [stderr] | [INFO] [stderr] 1273 | static DROP_ERR_HANDLER: RefCell> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Write, &mut Buffer, io::Error)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:1273:50 [INFO] [stderr] | [INFO] [stderr] 1273 | static DROP_ERR_HANDLER: RefCell> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:1286:18 [INFO] [stderr] | [INFO] [stderr] 1286 | where F: Fn(&mut Write, &mut Buffer, io::Error) [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1050:17 [INFO] [stderr] | [INFO] [stderr] 1050 | let mut buf = unsafe { self.buf.write_buf() }; [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/lib.rs:1068:17 [INFO] [stderr] | [INFO] [stderr] 1068 | let mut buf = self.buf.write_buf(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.69s [INFO] running `"docker" "inspect" "e196bc58c41b2d2767d6a135f96900e23177af86150e74a44ebb2e28281fb848"` [INFO] running `"docker" "rm" "-f" "e196bc58c41b2d2767d6a135f96900e23177af86150e74a44ebb2e28281fb848"` [INFO] [stdout] e196bc58c41b2d2767d6a135f96900e23177af86150e74a44ebb2e28281fb848 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 25fcb45a5e2d2da9d5bcfeff4a47eb52ee2eb4e2668dd2e79d444c9de92ba57c [INFO] running `"docker" "start" "-a" "25fcb45a5e2d2da9d5bcfeff4a47eb52ee2eb4e2668dd2e79d444c9de92ba57c"` [INFO] [stderr] Compiling buf_redux v0.8.4 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:373:45 [INFO] [stderr] | [INFO] [stderr] 373 | pub fn boxed<'a>(self) -> BufReader, P> where R: 'a { [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:374:24 [INFO] [stderr] | [INFO] [stderr] 374 | let inner: Box = Box::new(self.inner); [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Read + 'a` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:871:32 [INFO] [stderr] | [INFO] [stderr] 871 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:1273:42 [INFO] [stderr] | [INFO] [stderr] 1273 | static DROP_ERR_HANDLER: RefCell> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Write, &mut Buffer, io::Error)` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:1273:50 [INFO] [stderr] | [INFO] [stderr] 1273 | static DROP_ERR_HANDLER: RefCell> [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:1286:18 [INFO] [stderr] | [INFO] [stderr] 1286 | where F: Fn(&mut Write, &mut Buffer, io::Error) [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:1050:17 [INFO] [stderr] | [INFO] [stderr] 1050 | let mut buf = unsafe { self.buf.write_buf() }; [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/lib.rs:1068:17 [INFO] [stderr] | [INFO] [stderr] 1068 | let mut buf = self.buf.write_buf(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.33s [INFO] running `"docker" "inspect" "25fcb45a5e2d2da9d5bcfeff4a47eb52ee2eb4e2668dd2e79d444c9de92ba57c"` [INFO] running `"docker" "rm" "-f" "25fcb45a5e2d2da9d5bcfeff4a47eb52ee2eb4e2668dd2e79d444c9de92ba57c"` [INFO] [stdout] 25fcb45a5e2d2da9d5bcfeff4a47eb52ee2eb4e2668dd2e79d444c9de92ba57c [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"` [INFO] [stdout] eea36cdf2e01805f1dcf6a5dc92e2a74ed19f3f719a5e08018fcdefcf07b3fba [INFO] running `"docker" "start" "-a" "eea36cdf2e01805f1dcf6a5dc92e2a74ed19f3f719a5e08018fcdefcf07b3fba"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/buf_redux-bd08abb18c185192 [INFO] [stdout] [INFO] [stdout] running 29 tests [INFO] [stdout] test policy::test::test_flush_at_least ... ok [INFO] [stdout] test buffer::std_buf::read_into_full ... ok [INFO] [stdout] test policy::test::test_flush_exact ... ok [INFO] [stdout] test policy::test::test_flush_on_newline ... ok [INFO] [stdout] test policy::test::test_flush_on ... ok [INFO] [stdout] test policy::test::test_min_buffered ... ok [INFO] [stdout] test ringbuf_tests::test_buffer_with_cap ... ok [INFO] [stdout] test ringbuf_tests::test_buffer_new ... ok [INFO] [stdout] test ringbuf_tests::test_buffered_reader_seek_underflow ... ok [INFO] [stdout] test ringbuf_tests::issue_8 ... ok [INFO] [stdout] test ringbuf_tests::test_lines ... ok [INFO] [stdout] test ringbuf_tests::test_buffered_reader ... ok [INFO] [stdout] test std_tests::test_buf_writer_drops_once ... ok [INFO] [stdout] test ringbuf_tests::test_read_until ... ok [INFO] [stdout] test ringbuf_tests::test_buffered_reader_seek ... ok [INFO] [stdout] test ringbuf_tests::test_read_line ... ok [INFO] [stdout] test std_tests::test_buffered_reader ... ok [INFO] [stdout] test ringbuf_tests::test_mirror_boundary ... ok [INFO] [stdout] test ringbuf_tests::test_short_reads ... ok [INFO] [stdout] test std_tests::test_buffered_reader_seek ... ok [INFO] [stdout] test std_tests::test_buffered_reader_seek_underflow ... ok [INFO] [stdout] test std_tests::test_buffered_writer_inner_flushes ... ok [INFO] [stdout] test std_tests::test_buffered_writer_seek ... ok [INFO] [stdout] test std_tests::test_line_buffer ... ok [INFO] [stdout] test std_tests::test_lines ... ok [INFO] [stdout] test std_tests::test_buffered_writer ... ok [INFO] [stdout] test std_tests::test_read_line ... ok [INFO] [stdout] test std_tests::test_read_until ... ok [INFO] [stdout] test std_tests::test_short_reads ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests buf_redux [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/policy.rs - policy::MinBuffered (line 78) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "eea36cdf2e01805f1dcf6a5dc92e2a74ed19f3f719a5e08018fcdefcf07b3fba"` [INFO] running `"docker" "rm" "-f" "eea36cdf2e01805f1dcf6a5dc92e2a74ed19f3f719a5e08018fcdefcf07b3fba"` [INFO] [stdout] eea36cdf2e01805f1dcf6a5dc92e2a74ed19f3f719a5e08018fcdefcf07b3fba