[INFO] crate x-923 0.1.2 is already in cache [INFO] extracting crate x-923 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/x-923/0.1.2 [INFO] extracting crate x-923 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/x-923/0.1.2 [INFO] validating manifest of x-923-0.1.2 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 x-923-0.1.2 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/x-923/0.1.2/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] 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 x-923-0.1.2 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/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 493500f9a16f06c628181a35fdb020c8f35c03b508f653e547f2775478d93d6b [INFO] running `"docker" "start" "-a" "493500f9a16f06c628181a35fdb020c8f35c03b508f653e547f2775478d93d6b"` [INFO] [stderr] Blocking waiting for file lock on package cache [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 0.65s [INFO] running `"docker" "inspect" "493500f9a16f06c628181a35fdb020c8f35c03b508f653e547f2775478d93d6b"` [INFO] running `"docker" "rm" "-f" "493500f9a16f06c628181a35fdb020c8f35c03b508f653e547f2775478d93d6b"` [INFO] [stdout] 493500f9a16f06c628181a35fdb020c8f35c03b508f653e547f2775478d93d6b [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/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 7463d02e9e0d557a80b0ac10b2d58f5052b2c39837b994dcb290e7e97b0a0d77 [INFO] running `"docker" "start" "-a" "7463d02e9e0d557a80b0ac10b2d58f5052b2c39837b994dcb290e7e97b0a0d77"` [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 1.09s [INFO] running `"docker" "inspect" "7463d02e9e0d557a80b0ac10b2d58f5052b2c39837b994dcb290e7e97b0a0d77"` [INFO] running `"docker" "rm" "-f" "7463d02e9e0d557a80b0ac10b2d58f5052b2c39837b994dcb290e7e97b0a0d77"` [INFO] [stdout] 7463d02e9e0d557a80b0ac10b2d58f5052b2c39837b994dcb290e7e97b0a0d77 [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/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 9ff7626c769b96ff01182378cf1b245629d4e098af0791fbab3f60ba52df6dd5 [INFO] running `"docker" "start" "-a" "9ff7626c769b96ff01182378cf1b245629d4e098af0791fbab3f60ba52df6dd5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/x_923-4139ff613a889d7a [INFO] [stderr] Running /opt/crater/target/debug/deps/lib-1e5277432dc4b39e [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 internal_consistency_buffer ... ok [INFO] [stdout] test u8_overflow ... ok [INFO] [stdout] test internal_consistency_pad ... ok [INFO] [stdout] test wikipedia_example ... ok [INFO] [stderr] Doc-tests x-923 [INFO] [stdout] test internal_consistency ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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: 0x5605487e0adb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x5605487e0adb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5605487e0adb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x5605487e0adb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x5605487e0adb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x5605487e07b7 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x5605487e11a0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x5605487e0d22 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x5605487e0c6f - std::panicking::begin_panic_fmt::ha6acf0ffd6d7f80d [INFO] [stdout] at src/libstd/panicking.rs:339 [INFO] [stdout] 9: 0x5605487d454e - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 10: 0x5605487d45f3 - std::rt::lang_start::{{closure}}::h6ad5bf6913459b3e [INFO] [stdout] 11: 0x5605487e0bf3 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 12: 0x5605487e0bf3 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 13: 0x5605487e23ba - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 14: 0x5605487e16ad - std::panicking::try::hdf71f938885bca42 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 15: 0x5605487e16ad - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 16: 0x5605487e16ad - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 17: 0x5605487d45d5 - std::rt::lang_start::he873873cea7d311a [INFO] [stdout] 18: 0x5605487d458b - main [INFO] [stdout] 19: 0x7f71403d62e1 - __libc_start_main [INFO] [stdout] 20: 0x5605487d3fba - _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" "9ff7626c769b96ff01182378cf1b245629d4e098af0791fbab3f60ba52df6dd5"` [INFO] running `"docker" "rm" "-f" "9ff7626c769b96ff01182378cf1b245629d4e098af0791fbab3f60ba52df6dd5"` [INFO] [stdout] 9ff7626c769b96ff01182378cf1b245629d4e098af0791fbab3f60ba52df6dd5