[INFO] crate matroska 0.5.1 is already in cache [INFO] extracting crate matroska 0.5.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/matroska/0.5.1 [INFO] extracting crate matroska 0.5.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/matroska/0.5.1 [INFO] validating manifest of matroska-0.5.1 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 matroska-0.5.1 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 matroska-0.5.1 [INFO] finished frobbing matroska-0.5.1 [INFO] frobbed toml for matroska-0.5.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/matroska/0.5.1/Cargo.toml [INFO] started frobbing matroska-0.5.1 [INFO] finished frobbing matroska-0.5.1 [INFO] frobbed toml for matroska-0.5.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/matroska/0.5.1/Cargo.toml [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] [stderr] Blocking waiting for file lock on package cache [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 matroska-0.5.1 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-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/matroska/0.5.1:/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] 1ce37a9eb25ab0f7644545d80fd2f1f55f2b7b00f6aee4171367b8d4559bae9f [INFO] running `"docker" "start" "-a" "1ce37a9eb25ab0f7644545d80fd2f1f55f2b7b00f6aee4171367b8d4559bae9f"` [INFO] [stderr] Compiling matroska v0.5.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:18:54 [INFO] [stderr] | [INFO] [stderr] 18 | type BitReader<'a> = bitstream_io::BitReader<&'a mut io::Read, bitstream_io::BigEndian>; [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [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/ebml.rs:29:26 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn parse(r: &mut io::Read) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:39:31 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn parse_body(r: &mut io::Read, id: u32, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:86:33 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn parse_master(r: &mut io::Read, mut size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:144:32 [INFO] [stderr] | [INFO] [stderr] 144 | 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/ebml.rs:153:42 [INFO] [stderr] | [INFO] [stderr] 153 | pub fn read_element_id_size(reader: &mut io::Read) -> MResult<(u32, u64, u64)> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:213:25 [INFO] [stderr] | [INFO] [stderr] 213 | pub fn read_int(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/ebml.rs:217:14 [INFO] [stderr] | [INFO] [stderr] 217 | s @ 1...8 => r.read_signed(s as u32 * 8).map_err(MatroskaError::Io), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:222:26 [INFO] [stderr] | [INFO] [stderr] 222 | pub fn read_uint(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/ebml.rs:226:14 [INFO] [stderr] | [INFO] [stderr] 226 | s @ 1...8 => r.read(s as u32 * 8).map_err(MatroskaError::Io), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:231:27 [INFO] [stderr] | [INFO] [stderr] 231 | pub fn read_float(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:248:28 [INFO] [stderr] | [INFO] [stderr] 248 | pub fn read_string(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:253:26 [INFO] [stderr] | [INFO] [stderr] 253 | pub fn read_utf8(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:257:26 [INFO] [stderr] | [INFO] [stderr] 257 | pub fn read_date(r: &mut io::Read, size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:268:25 [INFO] [stderr] | [INFO] [stderr] 268 | pub fn read_bin(r: &mut io::Read, size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:191:22 [INFO] [stderr] | [INFO] [stderr] 191 | fn parse(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:277:22 [INFO] [stderr] | [INFO] [stderr] 277 | fn parse(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:386:22 [INFO] [stderr] | [INFO] [stderr] 386 | fn parse(r: &mut io::Read, size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:692:22 [INFO] [stderr] | [INFO] [stderr] 692 | fn parse(r: &mut io::Read, size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:769:22 [INFO] [stderr] | [INFO] [stderr] 769 | fn parse(r: &mut io::Read, size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `"docker" "inspect" "1ce37a9eb25ab0f7644545d80fd2f1f55f2b7b00f6aee4171367b8d4559bae9f"` [INFO] running `"docker" "rm" "-f" "1ce37a9eb25ab0f7644545d80fd2f1f55f2b7b00f6aee4171367b8d4559bae9f"` [INFO] [stdout] 1ce37a9eb25ab0f7644545d80fd2f1f55f2b7b00f6aee4171367b8d4559bae9f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/matroska/0.5.1:/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] af56771442637e9723b702aa1562688b0839caf2a860abb7b63582b2424198c7 [INFO] running `"docker" "start" "-a" "af56771442637e9723b702aa1562688b0839caf2a860abb7b63582b2424198c7"` [INFO] [stderr] Compiling matroska v0.5.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:18:54 [INFO] [stderr] | [INFO] [stderr] 18 | type BitReader<'a> = bitstream_io::BitReader<&'a mut io::Read, bitstream_io::BigEndian>; [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [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/ebml.rs:29:26 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn parse(r: &mut io::Read) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:39:31 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn parse_body(r: &mut io::Read, id: u32, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:86:33 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn parse_master(r: &mut io::Read, mut size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:144:32 [INFO] [stderr] | [INFO] [stderr] 144 | 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/ebml.rs:153:42 [INFO] [stderr] | [INFO] [stderr] 153 | pub fn read_element_id_size(reader: &mut io::Read) -> MResult<(u32, u64, u64)> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:213:25 [INFO] [stderr] | [INFO] [stderr] 213 | pub fn read_int(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/ebml.rs:217:14 [INFO] [stderr] | [INFO] [stderr] 217 | s @ 1...8 => r.read_signed(s as u32 * 8).map_err(MatroskaError::Io), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:222:26 [INFO] [stderr] | [INFO] [stderr] 222 | pub fn read_uint(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/ebml.rs:226:14 [INFO] [stderr] | [INFO] [stderr] 226 | s @ 1...8 => r.read(s as u32 * 8).map_err(MatroskaError::Io), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:231:27 [INFO] [stderr] | [INFO] [stderr] 231 | pub fn read_float(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:248:28 [INFO] [stderr] | [INFO] [stderr] 248 | pub fn read_string(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:253:26 [INFO] [stderr] | [INFO] [stderr] 253 | pub fn read_utf8(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:257:26 [INFO] [stderr] | [INFO] [stderr] 257 | pub fn read_date(r: &mut io::Read, size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ebml.rs:268:25 [INFO] [stderr] | [INFO] [stderr] 268 | pub fn read_bin(r: &mut io::Read, size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:191:22 [INFO] [stderr] | [INFO] [stderr] 191 | fn parse(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:277:22 [INFO] [stderr] | [INFO] [stderr] 277 | fn parse(r: &mut io::Read, size: u64) -> MResult { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:386:22 [INFO] [stderr] | [INFO] [stderr] 386 | fn parse(r: &mut io::Read, size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:692:22 [INFO] [stderr] | [INFO] [stderr] 692 | fn parse(r: &mut io::Read, size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:769:22 [INFO] [stderr] | [INFO] [stderr] 769 | fn parse(r: &mut io::Read, size: u64) -> MResult> { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn io::Read` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `"docker" "inspect" "af56771442637e9723b702aa1562688b0839caf2a860abb7b63582b2424198c7"` [INFO] running `"docker" "rm" "-f" "af56771442637e9723b702aa1562688b0839caf2a860abb7b63582b2424198c7"` [INFO] [stdout] af56771442637e9723b702aa1562688b0839caf2a860abb7b63582b2424198c7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/matroska/0.5.1:/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"` [INFO] [stdout] 3de0b83f0caff559182bf9a2fae86173766d14b01cd25ff80b58f247130825ff [INFO] running `"docker" "start" "-a" "3de0b83f0caff559182bf9a2fae86173766d14b01cd25ff80b58f247130825ff"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/matroska-1fd79361e82519f5 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests matroska [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 15) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 15) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/libcore/result.rs:1084:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55dfbc799ceb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55dfbc799ceb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55dfbc799ceb - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55dfbc799ceb - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55dfbc799ceb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55dfbc7999c6 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x55dfbc79a3ad - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55dfbc799f32 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55dfbc799e16 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55dfbc7ae93d - core::panicking::panic_fmt::h1bc6de43c92ad80c [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55dfbc7aea37 - core::result::unwrap_failed::hd83f272814becce6 [INFO] [stdout] at src/libcore/result.rs:1084 [INFO] [stdout] 11: 0x55dfbc74c5aa - core::result::Result::unwrap::h0f716cc2c31ab5f6 [INFO] [stdout] 12: 0x55dfbc74c79b - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x55dfbc74c8f3 - std::rt::lang_start::{{closure}}::h00a7ffc4b255461a [INFO] [stdout] 14: 0x55dfbc799e03 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x55dfbc799e03 - std::panicking::try::do_call::h9d779bc5e27e3284 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 16: 0x55dfbc79beca - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 17: 0x55dfbc79a8bd - std::panicking::try::h4af22d9cb0afa351 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x55dfbc79a8bd - std::panic::catch_unwind::hbb68a9ada87bfb97 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x55dfbc79a8bd - std::rt::lang_start_internal::hba9e09d74440ce4d [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x55dfbc74c8d8 - std::rt::lang_start::hb393a69b73b35e9d [INFO] [stdout] 21: 0x55dfbc74c89b - main [INFO] [stdout] 22: 0x7fc80ac8e2e1 - __libc_start_main [INFO] [stdout] 23: 0x55dfbc74bc4a - _start [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 15) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "3de0b83f0caff559182bf9a2fae86173766d14b01cd25ff80b58f247130825ff"` [INFO] running `"docker" "rm" "-f" "3de0b83f0caff559182bf9a2fae86173766d14b01cd25ff80b58f247130825ff"` [INFO] [stdout] 3de0b83f0caff559182bf9a2fae86173766d14b01cd25ff80b58f247130825ff