[INFO] fetching crate lib_rapid 0.0.12... [INFO] testing lib_rapid-0.0.12 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate lib_rapid 0.0.12 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate lib_rapid 0.0.12 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lib_rapid 0.0.12 [INFO] finished tweaking crates.io crate lib_rapid 0.0.12 [INFO] tweaked toml for crates.io crate lib_rapid 0.0.12 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7b0922bd4add436584b608d32cb31f77301f78ce86cd893efa612e9ca4c8851 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c7b0922bd4add436584b608d32cb31f77301f78ce86cd893efa612e9ca4c8851", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7b0922bd4add436584b608d32cb31f77301f78ce86cd893efa612e9ca4c8851", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7b0922bd4add436584b608d32cb31f77301f78ce86cd893efa612e9ca4c8851", kill_on_drop: false }` [INFO] [stdout] c7b0922bd4add436584b608d32cb31f77301f78ce86cd893efa612e9ca4c8851 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4264d3122d5e78444321384fba2b5926a4607bdf1678021f1b6c5d463cc337df [INFO] running `Command { std: "docker" "start" "-a" "4264d3122d5e78444321384fba2b5926a4607bdf1678021f1b6c5d463cc337df", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling plain v0.2.3 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling lib_rapid v0.0.12 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.01s [INFO] running `Command { std: "docker" "inspect" "4264d3122d5e78444321384fba2b5926a4607bdf1678021f1b6c5d463cc337df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4264d3122d5e78444321384fba2b5926a4607bdf1678021f1b6c5d463cc337df", kill_on_drop: false }` [INFO] [stdout] 4264d3122d5e78444321384fba2b5926a4607bdf1678021f1b6c5d463cc337df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 610d90e34144916123a6325563dffa8d962714197eab2edc8ea03a6dc50ccb7e [INFO] running `Command { std: "docker" "start" "-a" "610d90e34144916123a6325563dffa8d962714197eab2edc8ea03a6dc50ccb7e", kill_on_drop: false }` [INFO] [stderr] Compiling lib_rapid v0.0.12 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "610d90e34144916123a6325563dffa8d962714197eab2edc8ea03a6dc50ccb7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "610d90e34144916123a6325563dffa8d962714197eab2edc8ea03a6dc50ccb7e", kill_on_drop: false }` [INFO] [stdout] 610d90e34144916123a6325563dffa8d962714197eab2edc8ea03a6dc50ccb7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 63cc09603d12e8faee25f2e5d32b518a393fd6f145daa6b3f5271d3a04ad8779 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "63cc09603d12e8faee25f2e5d32b518a393fd6f145daa6b3f5271d3a04ad8779", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lib_rapid-da2fb9e84014ae69) [INFO] [stdout] [INFO] [stderr] Doc-tests lib_rapid [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/vectors_unripe.rs - vectors_unripe::Vector::get_length (line 31) ... ok [INFO] [stdout] test src/vectors_unripe.rs - vectors_unripe::Vector (line 12) ... ok [INFO] [stdout] test src/rapidmath.rs - rapidmath::map (line 18) ... FAILED [INFO] [stdout] test src/compression/huffman.rs - compression::huffman::write_to_file (line 247) ... FAILED [INFO] [stdout] test src/compression/huffman.rs - compression::huffman::huffman_decode (line 165) ... ok [INFO] [stdout] test src/compression/huffman.rs - compression::huffman::read_from_file (line 280) ... FAILED [INFO] [stdout] test src/compression/huffman.rs - compression::huffman::huffman_encode (line 111) ... ok [INFO] [stdout] test src/compression/huffman.rs - compression::huffman::assign_codes (line 71) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/rapidmath.rs - rapidmath::map (line 18) stdout ---- [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/rapidmath.rs:21:34 [INFO] [stdout] | [INFO] [stdout] 6 | let result: i32 = rapidmath::map(5., 0., 10., 0., 1.); // Original value 5 in the range from 0-10 [INFO] [stdout] | ^^ expected `i32`, found floating-point number [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/rapidmath.rs:21:38 [INFO] [stdout] | [INFO] [stdout] 6 | let result: i32 = rapidmath::map(5., 0., 10., 0., 1.); // Original value 5 in the range from 0-10 [INFO] [stdout] | ^^ expected `i32`, found floating-point number [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/rapidmath.rs:21:42 [INFO] [stdout] | [INFO] [stdout] 6 | let result: i32 = rapidmath::map(5., 0., 10., 0., 1.); // Original value 5 in the range from 0-10 [INFO] [stdout] | ^^^ expected `i32`, found floating-point number [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/rapidmath.rs:21:47 [INFO] [stdout] | [INFO] [stdout] 6 | let result: i32 = rapidmath::map(5., 0., 10., 0., 1.); // Original value 5 in the range from 0-10 [INFO] [stdout] | ^^ expected `i32`, found floating-point number [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/rapidmath.rs:21:51 [INFO] [stdout] | [INFO] [stdout] 6 | let result: i32 = rapidmath::map(5., 0., 10., 0., 1.); // Original value 5 in the range from 0-10 [INFO] [stdout] | ^^ expected `i32`, found floating-point number [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/compression/huffman.rs - compression::huffman::write_to_file (line 247) 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: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/compression/huffman.rs:265:56 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a5aa024e10 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55a5aa024e10 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55a5aa024e10 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55a5aa024e10 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55a5aa03eadc - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55a5aa0236c5 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x55a5aa026a3b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55a5aa026a3b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55a5aa026a3b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55a5aa026511 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55a5aa027104 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55a5aa026be7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55a5aa02530c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55a5aa026b49 - rust_begin_unwind [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55a5a9ff0f11 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55a5a9ff0fa3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x55a5aa00482e - core::result::Result::unwrap::hd48522ae6aea438e [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/result.rs:1037:23 [INFO] [stdout] 17: 0x55a5a9ffa35c - lib_rapid::compression::huffman::write_to_file::ha20440ac4f27abe9 [INFO] [stdout] at /opt/rustwide/workdir/src/compression/huffman.rs:265:20 [INFO] [stdout] 18: 0x55a5a9ff1f27 - rust_out::main::_doctest_main_src_compression_huffman_rs_247_0::hfd54bc58dc64afb8 [INFO] [stdout] 19: 0x55a5a9ff1dd6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55a5a9ff1973 - core::ops::function::FnOnce::call_once::h6cb22c19cf103035 [INFO] [stdout] 21: 0x55a5a9ff1779 - std::sys_common::backtrace::__rust_begin_short_backtrace::h755618c0981a0533 [INFO] [stdout] 22: 0x55a5a9ff18b9 - std::rt::lang_start::{{closure}}::h3e3e948d2e1cdd2b [INFO] [stdout] 23: 0x55a5aa02760a - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55a5aa02760a - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55a5aa02760a - std::panicking::try::hb8b07cef009cb4fc [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55a5aa02760a - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x55a5aa02760a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:48 [INFO] [stdout] 28: 0x55a5aa02760a - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stdout] 29: 0x55a5aa02760a - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stdout] 30: 0x55a5aa02760a - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stdout] 31: 0x55a5aa02760a - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:20 [INFO] [stdout] 32: 0x55a5a9ff1891 - std::rt::lang_start::ha47a1fac43a2373f [INFO] [stdout] 33: 0x55a5a9ff1fc3 - main [INFO] [stdout] 34: 0x7f25412860b3 - __libc_start_main [INFO] [stdout] 35: 0x55a5a9ff16ae - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/compression/huffman.rs - compression::huffman::read_from_file (line 280) 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: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/compression/huffman.rs:265:56 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55d8a124ec40 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55d8a124ec40 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55d8a124ec40 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55d8a124ec40 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55d8a126893c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55d8a124d4f5 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x55d8a125086b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55d8a125086b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55d8a125086b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55d8a1250341 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55d8a1250f34 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55d8a1250a17 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55d8a124f13c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55d8a1250979 - rust_begin_unwind [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55d8a120ff11 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55d8a120ffa3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x55d8a1227d8e - core::result::Result::unwrap::hd48522ae6aea438e [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/result.rs:1037:23 [INFO] [stdout] 17: 0x55d8a12193ac - lib_rapid::compression::huffman::write_to_file::ha20440ac4f27abe9 [INFO] [stdout] at /opt/rustwide/workdir/src/compression/huffman.rs:265:20 [INFO] [stdout] 18: 0x55d8a1210f27 - rust_out::main::_doctest_main_src_compression_huffman_rs_280_0::h17aa928268462de4 [INFO] [stdout] 19: 0x55d8a1210dd6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55d8a1210973 - core::ops::function::FnOnce::call_once::h6cb22c19cf103035 [INFO] [stdout] 21: 0x55d8a1210779 - std::sys_common::backtrace::__rust_begin_short_backtrace::h755618c0981a0533 [INFO] [stdout] 22: 0x55d8a12108b9 - std::rt::lang_start::{{closure}}::h3e3e948d2e1cdd2b [INFO] [stdout] 23: 0x55d8a125143a - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55d8a125143a - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55d8a125143a - std::panicking::try::hb8b07cef009cb4fc [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55d8a125143a - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x55d8a125143a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:48 [INFO] [stdout] 28: 0x55d8a125143a - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stdout] 29: 0x55d8a125143a - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stdout] 30: 0x55d8a125143a - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stdout] 31: 0x55d8a125143a - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/rt.rs:45:20 [INFO] [stdout] 32: 0x55d8a1210891 - std::rt::lang_start::ha47a1fac43a2373f [INFO] [stdout] 33: 0x55d8a1211013 - main [INFO] [stdout] 34: 0x7f614d2a50b3 - __libc_start_main [INFO] [stdout] 35: 0x55d8a12106ae - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/compression/huffman.rs - compression::huffman::read_from_file (line 280) [INFO] [stdout] src/compression/huffman.rs - compression::huffman::write_to_file (line 247) [INFO] [stdout] src/rapidmath.rs - rapidmath::map (line 18) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.19s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "63cc09603d12e8faee25f2e5d32b518a393fd6f145daa6b3f5271d3a04ad8779", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63cc09603d12e8faee25f2e5d32b518a393fd6f145daa6b3f5271d3a04ad8779", kill_on_drop: false }` [INFO] [stdout] 63cc09603d12e8faee25f2e5d32b518a393fd6f145daa6b3f5271d3a04ad8779