[INFO] fetching crate dense 2.0.0... [INFO] testing dense-2.0.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate dense 2.0.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate dense 2.0.0 [INFO] finished tweaking crates.io crate dense 2.0.0 [INFO] tweaked toml for crates.io crate dense 2.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate dense 2.0.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages to latest compatible versions [INFO] [stderr] Adding ndarray v0.15.6 (available: v0.16.1) [INFO] [stderr] Adding num-bytes v0.3.0 (available: v0.4.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mnist_read v1.0.1 [INFO] [stderr] Downloaded num-bytes v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6f814d5a6da5eceb86ef0212e9f9ef80869a060df68a285d3db2404ccf26c9eb [INFO] running `Command { std: "docker" "start" "-a" "6f814d5a6da5eceb86ef0212e9f9ef80869a060df68a285d3db2404ccf26c9eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f814d5a6da5eceb86ef0212e9f9ef80869a060df68a285d3db2404ccf26c9eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f814d5a6da5eceb86ef0212e9f9ef80869a060df68a285d3db2404ccf26c9eb", kill_on_drop: false }` [INFO] [stdout] 6f814d5a6da5eceb86ef0212e9f9ef80869a060df68a285d3db2404ccf26c9eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12f2e5877f82b66bc8e2bc953569fa6b14645502fadfda86c9c9d8d5ec481bd7 [INFO] running `Command { std: "docker" "start" "-a" "12f2e5877f82b66bc8e2bc953569fa6b14645502fadfda86c9c9d8d5ec481bd7", kill_on_drop: false }` [INFO] [stderr] Compiling matrixmultiply v0.3.10 [INFO] [stderr] Compiling num-bytes v0.3.0 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling num-bigint v0.4.6 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling ndarray v0.15.6 [INFO] [stderr] Compiling num-rational v0.4.2 [INFO] [stderr] Compiling num v0.4.3 [INFO] [stderr] Compiling dense v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.52s [INFO] running `Command { std: "docker" "inspect" "12f2e5877f82b66bc8e2bc953569fa6b14645502fadfda86c9c9d8d5ec481bd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12f2e5877f82b66bc8e2bc953569fa6b14645502fadfda86c9c9d8d5ec481bd7", kill_on_drop: false }` [INFO] [stdout] 12f2e5877f82b66bc8e2bc953569fa6b14645502fadfda86c9c9d8d5ec481bd7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74568e1b97f55d72fa8059ef9a4fcf5452199e30769b9471c348550413c4e7b3 [INFO] running `Command { std: "docker" "start" "-a" "74568e1b97f55d72fa8059ef9a4fcf5452199e30769b9471c348550413c4e7b3", kill_on_drop: false }` [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [INFO] [stderr] Compiling mnist_read v1.0.1 [INFO] [stderr] Compiling dense v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.91s [INFO] running `Command { std: "docker" "inspect" "74568e1b97f55d72fa8059ef9a4fcf5452199e30769b9471c348550413c4e7b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74568e1b97f55d72fa8059ef9a4fcf5452199e30769b9471c348550413c4e7b3", kill_on_drop: false }` [INFO] [stdout] 74568e1b97f55d72fa8059ef9a4fcf5452199e30769b9471c348550413c4e7b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d274ccd53e4a7f2ab6e0ef7ed24016431f58699b1af80a7fa5f40c51b9217ed6 [INFO] running `Command { std: "docker" "start" "-a" "d274ccd53e4a7f2ab6e0ef7ed24016431f58699b1af80a7fa5f40c51b9217ed6", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dense-969d5906566ce3b3) [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] [stderr] Doc-tests dense [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - read (line 16) ... FAILED [INFO] [stdout] test src/lib.rs - write (line 70) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - read (line 16) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (84) panicked at src/lib.rs:10:44: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x651642cd5e42 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x651642cd5e42 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x651642cd5e42 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x651642cd5e42 - ::fmt::h5bb8a979ba5db788 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x651642ce54ff - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x651642ce54ff - core::fmt::write::h1e0dbf07fe3990bd [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x651642cb41d3 - std::io::default_write_fmt::hb0810a37865e52a5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x651642cb41d3 - std::io::Write::write_fmt::h12c8908aaac7ca22 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x651642cb9442 - std::sys::backtrace::BacktraceLock::print::h788d486777205086 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x651642cbacfc - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x651642cbab56 - std::panicking::default_hook::h6dad75ec721846f4 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x651642cbb2d5 - std::panicking::panic_with_hook::hba00e869ada17676 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x651642cbb16a - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x651642cb9579 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x651642ca8a1d - __rustc[9a7a9f9af7564de1]::rust_begin_unwind [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x651642ce8c40 - core::panicking::panic_fmt::h78e817a90331d98b [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x651642ce82b6 - core::result::unwrap_failed::h3ce108722ad88f1e [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1852:5 [INFO] [stdout] 17: 0x651642c9fec9 - rust_out::main::_doctest_main_src_lib_rs_16_0::h659759a3298eb06d [INFO] [stdout] 18: 0x651642c9fbb6 - rust_out::main::hb2c1f26112d8e974 [INFO] [stdout] 19: 0x651642c87203 - core::ops::function::FnOnce::call_once::h01e49b384cd31373 [INFO] [stdout] 20: 0x651642c863d6 - std::sys::backtrace::__rust_begin_short_backtrace::hc341f747de1a6e5f [INFO] [stdout] 21: 0x651642c86319 - std::rt::lang_start::{{closure}}::h5855c6a947873adf [INFO] [stdout] 22: 0x651642cb5370 - core::ops::function::impls:: for &F>::call_once::h1dc0a50e6295ec78 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 23: 0x651642cb5370 - std::panicking::catch_unwind::do_call::h209f742e9999044e [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x651642cb5370 - std::panicking::catch_unwind::h508c6e2aa6d72749 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x651642cb5370 - std::panic::catch_unwind::hebcbb24aa9914693 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x651642cb5370 - std::rt::lang_start_internal::{{closure}}::h703cbe32967ef209 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x651642cb5370 - std::panicking::catch_unwind::do_call::hf50f2a30bce4e10b [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x651642cb5370 - std::panicking::catch_unwind::hac448d7e3b12daa3 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x651642cb5370 - std::panic::catch_unwind::ha9d74a13d77f299c [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x651642cb5370 - std::rt::lang_start_internal::ha26d244788d1956d [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x651642c86301 - std::rt::lang_start::h75941d661fa88314 [INFO] [stdout] 32: 0x651642ca1475 - main [INFO] [stdout] 33: 0x7b398054a1ca - [INFO] [stdout] 34: 0x7b398054a28b - __libc_start_main [INFO] [stdout] 35: 0x651642c80825 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - write (line 70) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (85) panicked at src/lib.rs:10:44: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x563c93fa7e42 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x563c93fa7e42 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x563c93fa7e42 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x563c93fa7e42 - ::fmt::h5bb8a979ba5db788 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x563c93fb74ff - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x563c93fb74ff - core::fmt::write::h1e0dbf07fe3990bd [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x563c93f861d3 - std::io::default_write_fmt::hb0810a37865e52a5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x563c93f861d3 - std::io::Write::write_fmt::h12c8908aaac7ca22 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x563c93f8b442 - std::sys::backtrace::BacktraceLock::print::h788d486777205086 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x563c93f8ccfc - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x563c93f8cb56 - std::panicking::default_hook::h6dad75ec721846f4 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x563c93f8d2d5 - std::panicking::panic_with_hook::hba00e869ada17676 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x563c93f8d16a - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x563c93f8b579 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x563c93f7aa1d - __rustc[9a7a9f9af7564de1]::rust_begin_unwind [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x563c93fbac40 - core::panicking::panic_fmt::h78e817a90331d98b [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x563c93fba2b6 - core::result::unwrap_failed::h3ce108722ad88f1e [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/result.rs:1852:5 [INFO] [stdout] 17: 0x563c93f71ec9 - rust_out::main::_doctest_main_src_lib_rs_70_0::h1a61fd4a6e61568f [INFO] [stdout] 18: 0x563c93f71bb6 - rust_out::main::hb2c1f26112d8e974 [INFO] [stdout] 19: 0x563c93f59203 - core::ops::function::FnOnce::call_once::h01e49b384cd31373 [INFO] [stdout] 20: 0x563c93f583d6 - std::sys::backtrace::__rust_begin_short_backtrace::hc341f747de1a6e5f [INFO] [stdout] 21: 0x563c93f58319 - std::rt::lang_start::{{closure}}::h5855c6a947873adf [INFO] [stdout] 22: 0x563c93f87370 - core::ops::function::impls:: for &F>::call_once::h1dc0a50e6295ec78 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 23: 0x563c93f87370 - std::panicking::catch_unwind::do_call::h209f742e9999044e [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x563c93f87370 - std::panicking::catch_unwind::h508c6e2aa6d72749 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x563c93f87370 - std::panic::catch_unwind::hebcbb24aa9914693 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x563c93f87370 - std::rt::lang_start_internal::{{closure}}::h703cbe32967ef209 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x563c93f87370 - std::panicking::catch_unwind::do_call::hf50f2a30bce4e10b [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x563c93f87370 - std::panicking::catch_unwind::hac448d7e3b12daa3 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x563c93f87370 - std::panic::catch_unwind::ha9d74a13d77f299c [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x563c93f87370 - std::rt::lang_start_internal::ha26d244788d1956d [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x563c93f58301 - std::rt::lang_start::h75941d661fa88314 [INFO] [stdout] 32: 0x563c93f73475 - main [INFO] [stdout] 33: 0x7540aee401ca - [INFO] [stdout] 34: 0x7540aee4028b - __libc_start_main [INFO] [stdout] 35: 0x563c93f52825 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - read (line 16) [INFO] [stdout] src/lib.rs - write (line 70) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "d274ccd53e4a7f2ab6e0ef7ed24016431f58699b1af80a7fa5f40c51b9217ed6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d274ccd53e4a7f2ab6e0ef7ed24016431f58699b1af80a7fa5f40c51b9217ed6", kill_on_drop: false }` [INFO] [stdout] d274ccd53e4a7f2ab6e0ef7ed24016431f58699b1af80a7fa5f40c51b9217ed6