[INFO] crate x-923 0.1.2 is already in cache [INFO] extracting crate x-923 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/x-923/0.1.2 [INFO] extracting crate x-923 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/x-923/0.1.2 [INFO] validating manifest of x-923-0.1.2 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of x-923-0.1.2 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing x-923-0.1.2 [INFO] finished frobbing x-923-0.1.2 [INFO] frobbed toml for x-923-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/x-923/0.1.2/Cargo.toml [INFO] started frobbing x-923-0.1.2 [INFO] finished frobbing x-923-0.1.2 [INFO] frobbed toml for x-923-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/x-923/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing x-923-0.1.2 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/x-923/0.1.2:/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-2019-07-23" "build" "--frozen"` [INFO] [stdout] 687e03e19b487752b11242a4955fe7c7f90c461ffd5b30c12cec1b50cdf60757 [INFO] running `"docker" "start" "-a" "687e03e19b487752b11242a4955fe7c7f90c461ffd5b30c12cec1b50cdf60757"` [INFO] [stderr] Compiling x-923 v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:20:19 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn pad_buffer(mut buffer: &mut Vec, block_size: u8) { [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:31:22 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn un_pad_buffer(mut buffer: &mut Vec) { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `"docker" "inspect" "687e03e19b487752b11242a4955fe7c7f90c461ffd5b30c12cec1b50cdf60757"` [INFO] running `"docker" "rm" "-f" "687e03e19b487752b11242a4955fe7c7f90c461ffd5b30c12cec1b50cdf60757"` [INFO] [stdout] 687e03e19b487752b11242a4955fe7c7f90c461ffd5b30c12cec1b50cdf60757 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/x-923/0.1.2:/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-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] b6184e2e0af36f2f6db7934651cd313fb32dacd0396114c991b59eba081908b1 [INFO] running `"docker" "start" "-a" "b6184e2e0af36f2f6db7934651cd313fb32dacd0396114c991b59eba081908b1"` [INFO] [stderr] Compiling x-923 v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:20:19 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn pad_buffer(mut buffer: &mut Vec, block_size: u8) { [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:31:22 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn un_pad_buffer(mut buffer: &mut Vec) { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.12s [INFO] running `"docker" "inspect" "b6184e2e0af36f2f6db7934651cd313fb32dacd0396114c991b59eba081908b1"` [INFO] running `"docker" "rm" "-f" "b6184e2e0af36f2f6db7934651cd313fb32dacd0396114c991b59eba081908b1"` [INFO] [stdout] b6184e2e0af36f2f6db7934651cd313fb32dacd0396114c991b59eba081908b1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/x-923/0.1.2:/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-2019-07-23" "test" "--frozen"` [INFO] [stdout] 5e3eab97b66c11860964a5d41ac0231434e1b06c1b993ecd12b3618b6fb4c8d7 [INFO] running `"docker" "start" "-a" "5e3eab97b66c11860964a5d41ac0231434e1b06c1b993ecd12b3618b6fb4c8d7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/x_923-5e4c9ae23d7fe028 [INFO] [stderr] Running /opt/crater/target/debug/deps/lib-d7abad95f7069d4e [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] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test u8_overflow ... ok [INFO] [stdout] test internal_consistency_pad ... ok [INFO] [stdout] test internal_consistency ... ok [INFO] [stdout] test internal_consistency_buffer ... ok [INFO] [stdout] test wikipedia_example ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests x-923 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - pad_buffer (line 11) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - pad_buffer (line 11) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `[255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 4]`, [INFO] [stdout] right: `[255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 4]`', src/lib.rs:10:1 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55acf5ae3adb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55acf5ae3adb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55acf5ae3adb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55acf5ae3adb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55acf5ae3adb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55acf5ae37b7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x55acf5ae41a0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55acf5ae3d22 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55acf5ae3c6f - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0 [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x55acf5ad754e - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 10: 0x55acf5ad75f3 - std::rt::lang_start::{{closure}}::hcae6cf720578140e [INFO] [stdout] 11: 0x55acf5ae3bf3 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 12: 0x55acf5ae3bf3 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x55acf5ae53ba - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x55acf5ae46ad - std::panicking::try::he0549d0299de204a [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x55acf5ae46ad - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x55acf5ae46ad - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 17: 0x55acf5ad75d5 - std::rt::lang_start::hf87e2ef1856a065b [INFO] [stdout] 18: 0x55acf5ad758b - main [INFO] [stdout] 19: 0x7f82ee9752e1 - __libc_start_main [INFO] [stdout] 20: 0x55acf5ad6fba - _start [INFO] [stdout] 21: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - pad_buffer (line 11) [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" "5e3eab97b66c11860964a5d41ac0231434e1b06c1b993ecd12b3618b6fb4c8d7"` [INFO] running `"docker" "rm" "-f" "5e3eab97b66c11860964a5d41ac0231434e1b06c1b993ecd12b3618b6fb4c8d7"` [INFO] [stdout] 5e3eab97b66c11860964a5d41ac0231434e1b06c1b993ecd12b3618b6fb4c8d7