[INFO] fetching crate wifi-qr-code 0.1.0... [INFO] testing wifi-qr-code-0.1.0 against 1.91.0 for beta-1.92-2 [INFO] extracting crate wifi-qr-code 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate wifi-qr-code 0.1.0 [INFO] finished tweaking crates.io crate wifi-qr-code 0.1.0 [INFO] tweaked toml for crates.io crate wifi-qr-code 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate wifi-qr-code 0.1.0 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate wifi-qr-code 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rc-writer v1.1.6 [INFO] [stderr] Downloaded structopt v0.3.5 [INFO] [stderr] Downloaded rpassword v4.0.3 [INFO] [stderr] Downloaded qrcode-generator v1.0.5 [INFO] [stderr] Downloaded atty v0.2.13 [INFO] [stderr] Downloaded proc-macro2 v1.0.6 [INFO] [stderr] Downloaded color_quant v1.0.1 [INFO] [stderr] Downloaded num-derive v0.2.5 [INFO] [stderr] Downloaded proc-macro-error v0.2.6 [INFO] [stderr] Downloaded num-integer v0.1.41 [INFO] [stderr] Downloaded gif v0.10.3 [INFO] [stderr] Downloaded jpeg-decoder v0.1.16 [INFO] [stderr] Downloaded rayon-core v1.6.0 [INFO] [stderr] Downloaded num-traits v0.2.8 [INFO] [stderr] Downloaded deflate v0.7.20 [INFO] [stderr] Downloaded syn v1.0.11 [INFO] [stderr] Downloaded image v0.20.1 [INFO] [stderr] Downloaded rayon v1.2.0 [INFO] [stderr] Downloaded num-rational v0.2.2 [INFO] [stderr] Downloaded inflate v0.4.5 [INFO] [stderr] Downloaded num-iter v0.1.39 [INFO] [stderr] Downloaded png v0.12.0 [INFO] [stderr] Downloaded lzw v0.10.0 [INFO] [stderr] Downloaded autocfg v0.1.6 [INFO] [stderr] Downloaded structopt-derive v0.3.5 [INFO] [stderr] Downloaded tiff v0.2.2 [INFO] [stderr] Downloaded qrcodegen v1.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3612ad0b919cf93e08b16be62d234b3d9e12cb96211d4940b145c70458425f9b [INFO] running `Command { std: "docker" "start" "-a" "3612ad0b919cf93e08b16be62d234b3d9e12cb96211d4940b145c70458425f9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3612ad0b919cf93e08b16be62d234b3d9e12cb96211d4940b145c70458425f9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3612ad0b919cf93e08b16be62d234b3d9e12cb96211d4940b145c70458425f9b", kill_on_drop: false }` [INFO] [stdout] 3612ad0b919cf93e08b16be62d234b3d9e12cb96211d4940b145c70458425f9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a8d78241ef0b9f984a67d4ae2c0adafc634f525876fc09ba8bbaa0e0ab3bccb [INFO] running `Command { std: "docker" "start" "-a" "8a8d78241ef0b9f984a67d4ae2c0adafc634f525876fc09ba8bbaa0e0ab3bccb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling rc-writer v1.1.6 [INFO] [stderr] Compiling htmlescape v0.3.1 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling qrcodegen v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.8 [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 deflate v0.7.20 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.16 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling image v0.20.1 [INFO] [stderr] Compiling qrcode-generator v1.0.5 [INFO] [stderr] Compiling wifi-qr-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.33s [INFO] running `Command { std: "docker" "inspect" "8a8d78241ef0b9f984a67d4ae2c0adafc634f525876fc09ba8bbaa0e0ab3bccb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a8d78241ef0b9f984a67d4ae2c0adafc634f525876fc09ba8bbaa0e0ab3bccb", kill_on_drop: false }` [INFO] [stdout] 8a8d78241ef0b9f984a67d4ae2c0adafc634f525876fc09ba8bbaa0e0ab3bccb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c4ce3a378992a599c724f169ef23a3166720269e236821934ff378b4d36e1d3 [INFO] running `Command { std: "docker" "start" "-a" "3c4ce3a378992a599c724f169ef23a3166720269e236821934ff378b4d36e1d3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling rpassword v4.0.3 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.3.5 [INFO] [stderr] Compiling structopt v0.3.5 [INFO] [stderr] Compiling wifi-qr-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 8.96s [INFO] running `Command { std: "docker" "inspect" "3c4ce3a378992a599c724f169ef23a3166720269e236821934ff378b4d36e1d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c4ce3a378992a599c724f169ef23a3166720269e236821934ff378b4d36e1d3", kill_on_drop: false }` [INFO] [stdout] 3c4ce3a378992a599c724f169ef23a3166720269e236821934ff378b4d36e1d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9c1f4df9df2714437db2a892153691c0323c7d3cf788829a2e08637eb36d872a [INFO] running `Command { std: "docker" "start" "-a" "9c1f4df9df2714437db2a892153691c0323c7d3cf788829a2e08637eb36d872a", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wifi_qr_code-f9d433b5d482d816) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::it_properly_handles_escaped_characters ... ok [INFO] [stdout] test tests::it_encodes_valid_wifi_forms ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests wifi_qr_code [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - WifiCredentials::encode (line 178) ... ok [INFO] [stdout] test src/lib.rs - encode_as_image (line 37) ... ok [INFO] [stdout] test src/lib.rs - encode_as_svg (line 96) ... FAILED [INFO] [stdout] test src/lib.rs - encode_as_matrix (line 15) ... ok [INFO] [stdout] test src/lib.rs - encode_as_png (line 64) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - encode_as_svg (line 96) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (148) panicked at src/lib.rs:15:44: [INFO] [stdout] Failed to create example SVG file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5b24b824bcc2 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5b24b824bcc2 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5b24b824bcc2 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5b24b824bcc2 - ::fmt::h4e0a3aeea0f9c085 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5b24b825b0df - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5b24b825b0df - core::fmt::write::hecf68a131630c74d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5b24b822a061 - std::io::default_write_fmt::haf8355dc2afbec95 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5b24b822a061 - std::io::Write::write_fmt::h93c9a261259c931a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5b24b822f3d2 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5b24b8230c8c - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5b24b8230ae6 - std::panicking::default_hook::h63f9bf8161c5d325 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5b24b8231315 - std::panicking::panic_with_hook::h3173740e06bd0752 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5b24b82311aa - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5b24b822f519 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5b24b821eacd - __rustc[de0091b922c53d7e]::rust_begin_unwind [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5b24b825e720 - core::panicking::panic_fmt::h5138da2ef87be35b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x5b24b825dcf6 - core::result::unwrap_failed::h5d9b16b0b732a2ac [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x5b24b81fef02 - core::result::Result::expect::h2d07c5971c65f9d9 [INFO] [stdout] 18: 0x5b24b81ff0d4 - rust_out::main::_doctest_main_src_lib_rs_96_0::hfa0f88b8834d9ebf [INFO] [stdout] 19: 0x5b24b81fefb6 - rust_out::main::hcbdc0960c876f2af [INFO] [stdout] 20: 0x5b24b81fedf3 - core::ops::function::FnOnce::call_once::hfb4119cacd246208 [INFO] [stdout] 21: 0x5b24b81fed86 - std::sys::backtrace::__rust_begin_short_backtrace::h410c329a888fe2f7 [INFO] [stdout] 22: 0x5b24b81fed69 - std::rt::lang_start::{{closure}}::h39fc2126d871a896 [INFO] [stdout] 23: 0x5b24b822b450 - core::ops::function::impls:: for &F>::call_once::hc7ed5622678f5124 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x5b24b822b450 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x5b24b822b450 - std::panicking::catch_unwind::hff67b45e0819a036 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x5b24b822b450 - std::panic::catch_unwind::hec0fb0db85f7fd60 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x5b24b822b450 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x5b24b822b450 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5b24b822b450 - std::panicking::catch_unwind::h3816830c825cbe04 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5b24b822b450 - std::panic::catch_unwind::h408406c8f02ebb9d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5b24b822b450 - std::rt::lang_start_internal::hce2b8b328837374b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x5b24b81fed51 - std::rt::lang_start::h866de1957bb2b812 [INFO] [stdout] 33: 0x5b24b81ff165 - main [INFO] [stdout] 34: 0x77aa421201ca - [INFO] [stdout] 35: 0x77aa4212028b - __libc_start_main [INFO] [stdout] 36: 0x5b24b81fc9d5 - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - encode_as_png (line 64) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (169) panicked at src/lib.rs:15:44: [INFO] [stdout] Failed to create example PNG file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5e71c2449162 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5e71c2449162 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5e71c2449162 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5e71c2449162 - ::fmt::h4e0a3aeea0f9c085 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5e71c245869f - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5e71c245869f - core::fmt::write::hecf68a131630c74d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5e71c2427501 - std::io::default_write_fmt::haf8355dc2afbec95 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5e71c2427501 - std::io::Write::write_fmt::h93c9a261259c931a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5e71c242c872 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5e71c242e12c - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5e71c242df86 - std::panicking::default_hook::h63f9bf8161c5d325 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5e71c242e7b5 - std::panicking::panic_with_hook::h3173740e06bd0752 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5e71c242e64a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5e71c242c9b9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5e71c241bf6d - __rustc[de0091b922c53d7e]::rust_begin_unwind [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5e71c245bec0 - core::panicking::panic_fmt::h5138da2ef87be35b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x5e71c245b496 - core::result::unwrap_failed::h5d9b16b0b732a2ac [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x5e71c23d6312 - core::result::Result::expect::h2d07c5971c65f9d9 [INFO] [stdout] 18: 0x5e71c23d6a04 - rust_out::main::_doctest_main_src_lib_rs_64_0::h93f1ec44de97f4b5 [INFO] [stdout] 19: 0x5e71c23d68e6 - rust_out::main::hcbdc0960c876f2af [INFO] [stdout] 20: 0x5e71c23d6113 - core::ops::function::FnOnce::call_once::hfb4119cacd246208 [INFO] [stdout] 21: 0x5e71c23d60b6 - std::sys::backtrace::__rust_begin_short_backtrace::h410c329a888fe2f7 [INFO] [stdout] 22: 0x5e71c23d5ef9 - std::rt::lang_start::{{closure}}::h39fc2126d871a896 [INFO] [stdout] 23: 0x5e71c24288f0 - core::ops::function::impls:: for &F>::call_once::hc7ed5622678f5124 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x5e71c24288f0 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x5e71c24288f0 - std::panicking::catch_unwind::hff67b45e0819a036 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x5e71c24288f0 - std::panic::catch_unwind::hec0fb0db85f7fd60 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x5e71c24288f0 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x5e71c24288f0 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5e71c24288f0 - std::panicking::catch_unwind::h3816830c825cbe04 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5e71c24288f0 - std::panic::catch_unwind::h408406c8f02ebb9d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5e71c24288f0 - std::rt::lang_start_internal::hce2b8b328837374b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x5e71c23d5ee1 - std::rt::lang_start::h866de1957bb2b812 [INFO] [stdout] 33: 0x5e71c23d6a85 - main [INFO] [stdout] 34: 0x7e22a7f3e1ca - [INFO] [stdout] 35: 0x7e22a7f3e28b - __libc_start_main [INFO] [stdout] 36: 0x5e71c23d3de5 - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - encode_as_png (line 64) [INFO] [stdout] src/lib.rs - encode_as_svg (line 96) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "9c1f4df9df2714437db2a892153691c0323c7d3cf788829a2e08637eb36d872a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c1f4df9df2714437db2a892153691c0323c7d3cf788829a2e08637eb36d872a", kill_on_drop: false }` [INFO] [stdout] 9c1f4df9df2714437db2a892153691c0323c7d3cf788829a2e08637eb36d872a