[INFO] crate printpdf 0.3.2 is already in cache [INFO] testing printpdf-0.3.2 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate printpdf 0.3.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate printpdf 0.3.2 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate printpdf 0.3.2 [INFO] finished tweaking crates.io crate printpdf 0.3.2 [INFO] tweaked toml for crates.io crate printpdf 0.3.2 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate printpdf 0.3.2 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b8001faacee580e685be440e9afd14639a5723bbe6f526793e3345597884ee28 [INFO] running `"docker" "start" "-a" "b8001faacee580e685be440e9afd14639a5723bbe6f526793e3345597884ee28"` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling linked-hash-map v0.3.0 [INFO] [stderr] Compiling dtoa v0.4.4 [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling bytemuck v1.2.0 [INFO] [stderr] Compiling itoa v0.3.4 [INFO] [stderr] Compiling pom v3.0.3 [INFO] [stderr] Compiling time v0.2.1 [INFO] [stderr] Compiling miniz_oxide v0.3.5 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling tiff v0.4.0 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.18 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling png v0.15.2 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling flate2 v1.0.13 [INFO] [stderr] Compiling crossbeam-queue v0.2.0 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling rusttype v0.8.2 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling image v0.23.0 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling lopdf v0.24.0 [INFO] [stderr] Compiling printpdf v0.3.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:46:30 [INFO] [stderr] | [INFO] [stderr] 46 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:68:30 [INFO] [stderr] | [INFO] [stderr] 68 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:104:28 [INFO] [stderr] | [INFO] [stderr] 104 | Io(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:105:34 [INFO] [stderr] | [INFO] [stderr] 105 | Rusttype(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:106:29 [INFO] [stderr] | [INFO] [stderr] 106 | Pdf(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:107:31 [INFO] [stderr] | [INFO] [stderr] 107 | Index(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.67s [INFO] running `"docker" "inspect" "b8001faacee580e685be440e9afd14639a5723bbe6f526793e3345597884ee28"` [INFO] running `"docker" "rm" "-f" "b8001faacee580e685be440e9afd14639a5723bbe6f526793e3345597884ee28"` [INFO] [stdout] b8001faacee580e685be440e9afd14639a5723bbe6f526793e3345597884ee28 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 94a9c5c25ad3072c3712e91947a818a6390146a63ddddbdaf9003a1f6758daab [INFO] running `"docker" "start" "-a" "94a9c5c25ad3072c3712e91947a818a6390146a63ddddbdaf9003a1f6758daab"` [INFO] [stderr] Compiling printpdf v0.3.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:46:30 [INFO] [stderr] | [INFO] [stderr] 46 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:68:30 [INFO] [stderr] | [INFO] [stderr] 68 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:104:28 [INFO] [stderr] | [INFO] [stderr] 104 | Io(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:105:34 [INFO] [stderr] | [INFO] [stderr] 105 | Rusttype(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:106:29 [INFO] [stderr] | [INFO] [stderr] 106 | Pdf(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:107:31 [INFO] [stderr] | [INFO] [stderr] 107 | Index(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:46:30 [INFO] [stderr] | [INFO] [stderr] 46 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:68:30 [INFO] [stderr] | [INFO] [stderr] 68 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:104:28 [INFO] [stderr] | [INFO] [stderr] 104 | Io(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:105:34 [INFO] [stderr] | [INFO] [stderr] 105 | Rusttype(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:106:29 [INFO] [stderr] | [INFO] [stderr] 106 | Pdf(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:107:31 [INFO] [stderr] | [INFO] [stderr] 107 | Index(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 11.53s [INFO] running `"docker" "inspect" "94a9c5c25ad3072c3712e91947a818a6390146a63ddddbdaf9003a1f6758daab"` [INFO] running `"docker" "rm" "-f" "94a9c5c25ad3072c3712e91947a818a6390146a63ddddbdaf9003a1f6758daab"` [INFO] [stdout] 94a9c5c25ad3072c3712e91947a818a6390146a63ddddbdaf9003a1f6758daab [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b096b24c835d81f28419e9671326c4135e871605025f9e402738b8404c803423 [INFO] running `"docker" "start" "-a" "b096b24c835d81f28419e9671326c4135e871605025f9e402738b8404c803423"` [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:46:30 [INFO] [stderr] | [INFO] [stderr] 46 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:68:30 [INFO] [stderr] | [INFO] [stderr] 68 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:104:28 [INFO] [stderr] | [INFO] [stderr] 104 | Io(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:105:34 [INFO] [stderr] | [INFO] [stderr] 105 | Rusttype(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:106:29 [INFO] [stderr] | [INFO] [stderr] 106 | Pdf(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:107:31 [INFO] [stderr] | [INFO] [stderr] 107 | Index(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:46:30 [INFO] [stderr] | [INFO] [stderr] 46 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:68:30 [INFO] [stderr] | [INFO] [stderr] 68 | write!(f, "{}", self.description()) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:104:28 [INFO] [stderr] | [INFO] [stderr] 104 | Io(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:105:34 [INFO] [stderr] | [INFO] [stderr] 105 | Rusttype(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:106:29 [INFO] [stderr] | [INFO] [stderr] 106 | Pdf(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/errors/mod.rs:107:31 [INFO] [stderr] | [INFO] [stderr] 107 | Index(ref e) => e.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.33s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/printpdf-3ba3f2b449e7cb83 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test scale::point_to_mm_conversion ... ok [INFO] [stdout] test scale::mm_to_point_conversion ... ok [INFO] [stdout] test types::plugins::graphics::ctm::test_ctm_translate ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests printpdf [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate (line 18) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::BlackGenerationFunction::Default (line 824) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::BlackGenerationFunction::WithUnderColorRemoval (line 834) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::NonSeperableBlendMode (line 1199) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::SeperableBlendMode::ColorBurn (line 1131) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::SeperableBlendMode::ColorDodge (line 1120) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::SeperableBlendMode::HardLight (line 1142) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::SeperableBlendMode::Overlay (line 1099) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::SeperableBlendMode::SoftLight (line 1153) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::SpotFunction::Diamond (line 1004) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::SpotFunction::Ellipse (line 976) ... ignored [INFO] [stdout] test src/types/plugins/graphics/extgstate.rs - types::plugins::graphics::extgstate::SpotFunction::Round (line 968) ... ignored [INFO] [stdout] test src/lib.rs - (line 42) ... ok [INFO] [stdout] test src/lib.rs - (line 121) ... ok [INFO] [stdout] test src/lib.rs - (line 170) ... ok [INFO] [stdout] test src/lib.rs - (line 29) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 29) 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: Other, message: "Read-only file system" }', src/lib.rs:11:30 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x557d66b43894 - 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: 0x557d66b43894 - 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: 0x557d66b43894 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x557d66b43894 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x557d66b669ec - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x557d66b41fd3 - std::io::Write::write_fmt::h35d873b9ce1f02a8 [INFO] [stdout] at src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x557d66b45e35 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x557d66b45e35 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x557d66b45e35 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x557d66b45b72 - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:218 [INFO] [stdout] 10: 0x557d66b46442 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 11: 0x557d66b4602b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 12: 0x557d66b65131 - core::panicking::panic_fmt::hc8f9a0b2af5fb585 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 13: 0x557d66b64f53 - core::option::expect_none_failed::ha34d57526cca3063 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 14: 0x557d66a566db - core::result::Result::unwrap::hb3e55f8f3a9dfc02 [INFO] [stdout] 15: 0x557d66a6f653 - rust_out::main::hce5147e828914a17 [INFO] [stdout] 16: 0x557d66a4e533 - std::rt::lang_start::{{closure}}::hf139de0a36e0b662 [INFO] [stdout] 17: 0x557d66b46888 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1 [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x557d66b46888 - std::panicking::try::do_call::hbcbbc645883681bb [INFO] [stdout] at src/libstd/panicking.rs:331 [INFO] [stdout] 19: 0x557d66b46888 - std::panicking::try::h250f86dc8ee6d054 [INFO] [stdout] at src/libstd/panicking.rs:274 [INFO] [stdout] 20: 0x557d66b46888 - std::panic::catch_unwind::h58d26ced09bde6c3 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x557d66b46888 - std::rt::lang_start_internal::h7de51dd9f16af454 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x557d66a4e518 - std::rt::lang_start::hf4fc85a2e0dfc965 [INFO] [stdout] 23: 0x557d66a6f74b - main [INFO] [stdout] 24: 0x7f521b802b97 - __libc_start_main [INFO] [stdout] 25: 0x557d66a4c15a - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 29) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 12 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "b096b24c835d81f28419e9671326c4135e871605025f9e402738b8404c803423"` [INFO] running `"docker" "rm" "-f" "b096b24c835d81f28419e9671326c4135e871605025f9e402738b8404c803423"` [INFO] [stdout] b096b24c835d81f28419e9671326c4135e871605025f9e402738b8404c803423