[INFO] fetching crate matroska 0.5.4... [INFO] testing matroska-0.5.4 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate matroska 0.5.4 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate matroska 0.5.4 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate matroska 0.5.4 [INFO] finished tweaking crates.io crate matroska 0.5.4 [INFO] tweaked toml for crates.io crate matroska 0.5.4 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c79f70d843c8e38e4b56fbe87a32cd03ece07bbaff52fe6c19765abbfb90f29e [INFO] running `"docker" "start" "-a" "c79f70d843c8e38e4b56fbe87a32cd03ece07bbaff52fe6c19765abbfb90f29e"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling siphasher v0.3.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling matroska v0.5.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.81s [INFO] running `"docker" "inspect" "c79f70d843c8e38e4b56fbe87a32cd03ece07bbaff52fe6c19765abbfb90f29e"` [INFO] running `"docker" "rm" "-f" "c79f70d843c8e38e4b56fbe87a32cd03ece07bbaff52fe6c19765abbfb90f29e"` [INFO] [stdout] c79f70d843c8e38e4b56fbe87a32cd03ece07bbaff52fe6c19765abbfb90f29e [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] eac557236ad797f9f0764eed6c9ee3cc10abaea4adea2fc8a4a0fe5c9a165c64 [INFO] running `"docker" "start" "-a" "eac557236ad797f9f0764eed6c9ee3cc10abaea4adea2fc8a4a0fe5c9a165c64"` [INFO] [stderr] Compiling matroska v0.5.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `"docker" "inspect" "eac557236ad797f9f0764eed6c9ee3cc10abaea4adea2fc8a4a0fe5c9a165c64"` [INFO] running `"docker" "rm" "-f" "eac557236ad797f9f0764eed6c9ee3cc10abaea4adea2fc8a4a0fe5c9a165c64"` [INFO] [stdout] eac557236ad797f9f0764eed6c9ee3cc10abaea4adea2fc8a4a0fe5c9a165c64 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 03cea420bcf4986fc530433896e9144420912202a5e19092dc78f4bb5473befe [INFO] running `"docker" "start" "-a" "03cea420bcf4986fc530433896e9144420912202a5e19092dc78f4bb5473befe"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/matroska-73866b7ac01770b5 [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/lib.rs:6:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5581babe2554 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5581babe2554 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5581babe2554 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5581babe2554 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5581bac0056c - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x5581babe0a93 - std::io::Write::write_fmt::h35d873b9ce1f02a8 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x5581babe4af5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5581babe4af5 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5581babe4af5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x5581babe4832 - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x5581babe5102 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 11: 0x5581babe4ceb - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 12: 0x5581babff951 - core::panicking::panic_fmt::hc8f9a0b2af5fb585 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 13: 0x5581babff773 - core::option::expect_none_failed::ha34d57526cca3063 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 14: 0x5581bab9b98b - core::result::Result::unwrap::hb3e55f8f3a9dfc02 [INFO] [stdout] 15: 0x5581bab9bab5 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x5581bab9b563 - std::rt::lang_start::{{closure}}::hf139de0a36e0b662 [INFO] [stdout] 17: 0x5581babe5548 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x5581babe5548 - std::panicking::try::do_call::hbcbbc645883681bb [INFO] [stdout] at src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x5581babe5548 - std::panicking::try::h250f86dc8ee6d054 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x5581babe5548 - std::panic::catch_unwind::h58d26ced09bde6c3 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x5581babe5548 - std::rt::lang_start_internal::h7de51dd9f16af454 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x5581bab9b548 - std::rt::lang_start::hf4fc85a2e0dfc965 [INFO] [stdout] 23: 0x5581bab9bbcb - main [INFO] [stdout] 24: 0x7fb0130dab97 - __libc_start_main [INFO] [stdout] 25: 0x5581bab9b28a - _start [INFO] [stdout] 26: 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" "03cea420bcf4986fc530433896e9144420912202a5e19092dc78f4bb5473befe"` [INFO] running `"docker" "rm" "-f" "03cea420bcf4986fc530433896e9144420912202a5e19092dc78f4bb5473befe"` [INFO] [stdout] 03cea420bcf4986fc530433896e9144420912202a5e19092dc78f4bb5473befe