[INFO] fetching crate dense 1.1.0... [INFO] testing dense-1.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] extracting crate dense 1.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate dense 1.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dense 1.1.0 [INFO] finished tweaking crates.io crate dense 1.1.0 [INFO] tweaked toml for crates.io crate dense 1.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "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" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f30e73ef92f586683fcf61c2bd4430e10fd6540725ee65f07c6503e3823e5cc0 [INFO] running `Command { std: "docker" "start" "-a" "f30e73ef92f586683fcf61c2bd4430e10fd6540725ee65f07c6503e3823e5cc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f30e73ef92f586683fcf61c2bd4430e10fd6540725ee65f07c6503e3823e5cc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f30e73ef92f586683fcf61c2bd4430e10fd6540725ee65f07c6503e3823e5cc0", kill_on_drop: false }` [INFO] [stdout] f30e73ef92f586683fcf61c2bd4430e10fd6540725ee65f07c6503e3823e5cc0 [INFO] running `Command { std: "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" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 296335f9c50800b08c100edd7804b621c789c60343e9174aa8591e0e9160c015 [INFO] running `Command { std: "docker" "start" "-a" "296335f9c50800b08c100edd7804b621c789c60343e9174aa8591e0e9160c015", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling ndarray v0.14.0 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling mnist_read v1.0.1 [INFO] [stderr] Compiling dense v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.99s [INFO] running `Command { std: "docker" "inspect" "296335f9c50800b08c100edd7804b621c789c60343e9174aa8591e0e9160c015", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "296335f9c50800b08c100edd7804b621c789c60343e9174aa8591e0e9160c015", kill_on_drop: false }` [INFO] [stdout] 296335f9c50800b08c100edd7804b621c789c60343e9174aa8591e0e9160c015 [INFO] running `Command { std: "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" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c75072510d95f1038cf14f31d6b3b55d12e00b57b366b37afacf273bd9748023 [INFO] running `Command { std: "docker" "start" "-a" "c75072510d95f1038cf14f31d6b3b55d12e00b57b366b37afacf273bd9748023", kill_on_drop: false }` [INFO] [stderr] Compiling dense v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "c75072510d95f1038cf14f31d6b3b55d12e00b57b366b37afacf273bd9748023", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c75072510d95f1038cf14f31d6b3b55d12e00b57b366b37afacf273bd9748023", kill_on_drop: false }` [INFO] [stdout] c75072510d95f1038cf14f31d6b3b55d12e00b57b366b37afacf273bd9748023 [INFO] running `Command { std: "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" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c884c2eb1c2679b5b4b07f6b626f1db00aab2c1ba9a2fd100bc65e17b6369b5e [INFO] running `Command { std: "docker" "start" "-a" "c884c2eb1c2679b5b4b07f6b626f1db00aab2c1ba9a2fd100bc65e17b6369b5e", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dense-3f45c604bdcf3489) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests dense [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - write (line 85) ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] test src/lib.rs - read (line 14) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - write (line 85) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Failed to create file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/lib.rs:107:39 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x56155c369a70 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x56155c369a70 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x56155c369a70 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x56155c369a70 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x56155c383a3c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x56155c368325 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x56155c36b69b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x56155c36b69b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x56155c36b69b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x56155c36b171 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x56155c36bd64 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x56155c36b847 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x56155c369f6c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x56155c36b7a9 - rust_begin_unwind [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x56155c32ee21 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x56155c32eeb3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x56155c344dd0 - core::result::Result::expect::h507873f0d3713e43 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:997:23 [INFO] [stdout] 17: 0x56155c34b44f - dense::write::h6c06070aae5d4f82 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:107:20 [INFO] [stdout] 18: 0x56155c33be9e - rust_out::main::_doctest_main_src_lib_rs_85_0::h313b8f6c8afed6cf [INFO] [stdout] 19: 0x56155c33bca6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x56155c3313e3 - core::ops::function::FnOnce::call_once::h6cb22c19cf103035 [INFO] [stdout] 21: 0x56155c330769 - std::sys_common::backtrace::__rust_begin_short_backtrace::h755618c0981a0533 [INFO] [stdout] 22: 0x56155c330899 - std::rt::lang_start::{{closure}}::h3e3e948d2e1cdd2b [INFO] [stdout] 23: 0x56155c36c26a - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x56155c36c26a - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x56155c36c26a - std::panicking::try::hb8b07cef009cb4fc [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x56155c36c26a - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x56155c36c26a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:48 [INFO] [stdout] 28: 0x56155c36c26a - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 29: 0x56155c36c26a - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 30: 0x56155c36c26a - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 31: 0x56155c36c26a - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:20 [INFO] [stdout] 32: 0x56155c330871 - std::rt::lang_start::ha47a1fac43a2373f [INFO] [stdout] 33: 0x56155c33c1b3 - main [INFO] [stdout] 34: 0x7fefeaa7d0b3 - __libc_start_main [INFO] [stdout] 35: 0x56155c32f57e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read (line 14) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Failed to create file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/lib.rs:107:39 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55747e50ea70 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55747e50ea70 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55747e50ea70 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55747e50ea70 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55747e528a3c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55747e50d325 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x55747e51069b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55747e51069b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55747e51069b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55747e510171 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55747e510d64 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55747e510847 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55747e50ef6c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55747e5107a9 - rust_begin_unwind [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55747e4d3e21 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55747e4d3eb3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x55747e4e9dd0 - core::result::Result::expect::h507873f0d3713e43 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:997:23 [INFO] [stdout] 17: 0x55747e4f044f - dense::write::h6c06070aae5d4f82 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:107:20 [INFO] [stdout] 18: 0x55747e4e0e9e - rust_out::main::_doctest_main_src_lib_rs_14_0::h669bc9c4b6665798 [INFO] [stdout] 19: 0x55747e4e0ca6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 20: 0x55747e4d63e3 - core::ops::function::FnOnce::call_once::h6cb22c19cf103035 [INFO] [stdout] 21: 0x55747e4d5769 - std::sys_common::backtrace::__rust_begin_short_backtrace::h755618c0981a0533 [INFO] [stdout] 22: 0x55747e4d5899 - std::rt::lang_start::{{closure}}::h3e3e948d2e1cdd2b [INFO] [stdout] 23: 0x55747e51126a - core::ops::function::impls:: for &F>::call_once::hcbe5785d54a49ce2 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x55747e51126a - std::panicking::try::do_call::h1c15e7ee8563c29d [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55747e51126a - std::panicking::try::hb8b07cef009cb4fc [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55747e51126a - std::panic::catch_unwind::h65a8efbe596bcbb1 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x55747e51126a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:48 [INFO] [stdout] 28: 0x55747e51126a - std::panicking::try::do_call::h29cafa65efb3f3f3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 29: 0x55747e51126a - std::panicking::try::h412fc5378b4dbfc4 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 30: 0x55747e51126a - std::panic::catch_unwind::h555def6aac5bf192 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14 [INFO] [stdout] 31: 0x55747e51126a - std::rt::lang_start_internal::hfff48202d7fee6e3 [INFO] [stdout] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:20 [INFO] [stdout] 32: 0x55747e4d5871 - std::rt::lang_start::ha47a1fac43a2373f [INFO] [stdout] 33: 0x55747e4e11b3 - main [INFO] [stdout] 34: 0x7f81abb190b3 - __libc_start_main [INFO] [stdout] 35: 0x55747e4d457e - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - read (line 14) [INFO] [stdout] src/lib.rs - write (line 85) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c884c2eb1c2679b5b4b07f6b626f1db00aab2c1ba9a2fd100bc65e17b6369b5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c884c2eb1c2679b5b4b07f6b626f1db00aab2c1ba9a2fd100bc65e17b6369b5e", kill_on_drop: false }` [INFO] [stdout] c884c2eb1c2679b5b4b07f6b626f1db00aab2c1ba9a2fd100bc65e17b6369b5e