[INFO] fetching crate wifi-qr-code 0.1.0... [INFO] testing wifi-qr-code-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate wifi-qr-code 0.1.0 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wifi-qr-code 0.1.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 245ea288edea91285ab302e9be2b8780f65c99fd4bf9792181db710687bbdbfa [INFO] running `Command { std: "docker" "start" "-a" "245ea288edea91285ab302e9be2b8780f65c99fd4bf9792181db710687bbdbfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "245ea288edea91285ab302e9be2b8780f65c99fd4bf9792181db710687bbdbfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "245ea288edea91285ab302e9be2b8780f65c99fd4bf9792181db710687bbdbfa", kill_on_drop: false }` [INFO] [stdout] 245ea288edea91285ab302e9be2b8780f65c99fd4bf9792181db710687bbdbfa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ce87ca73fed05cdf0db5315ee46876a9dab77d6c18be3d0769b869ddaab2834 [INFO] running `Command { std: "docker" "start" "-a" "3ce87ca73fed05cdf0db5315ee46876a9dab77d6c18be3d0769b869ddaab2834", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling qrcodegen v1.4.0 [INFO] [stderr] Compiling semver v0.9.0 [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 rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling htmlescape v0.3.1 [INFO] [stderr] Compiling rc-writer v1.1.6 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling rayon v1.2.0 [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 12.51s [INFO] running `Command { std: "docker" "inspect" "3ce87ca73fed05cdf0db5315ee46876a9dab77d6c18be3d0769b869ddaab2834", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ce87ca73fed05cdf0db5315ee46876a9dab77d6c18be3d0769b869ddaab2834", kill_on_drop: false }` [INFO] [stdout] 3ce87ca73fed05cdf0db5315ee46876a9dab77d6c18be3d0769b869ddaab2834 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6fd4793aefa03d0113e4c5c780a3305e3badab1bb4aa0adfb0d0131d9208e3a2 [INFO] running `Command { std: "docker" "start" "-a" "6fd4793aefa03d0113e4c5c780a3305e3badab1bb4aa0adfb0d0131d9208e3a2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling rpassword v4.0.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling clap v2.33.0 [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 7.83s [INFO] running `Command { std: "docker" "inspect" "6fd4793aefa03d0113e4c5c780a3305e3badab1bb4aa0adfb0d0131d9208e3a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fd4793aefa03d0113e4c5c780a3305e3badab1bb4aa0adfb0d0131d9208e3a2", kill_on_drop: false }` [INFO] [stdout] 6fd4793aefa03d0113e4c5c780a3305e3badab1bb4aa0adfb0d0131d9208e3a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 945d62fd19a3b2e794611272f2165f80cde8a5a1813d78f160160953f738f085 [INFO] running `Command { std: "docker" "start" "-a" "945d62fd19a3b2e794611272f2165f80cde8a5a1813d78f160160953f738f085", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wifi_qr_code-bd9596e4654a74ec) [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 - encode_as_image (line 37) ... ok [INFO] [stdout] test src/lib.rs - encode_as_matrix (line 15) ... ok [INFO] [stdout] test src/lib.rs - encode_as_svg (line 96) ... FAILED [INFO] [stdout] test src/lib.rs - WifiCredentials::encode (line 178) ... 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' (167) 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: 0x64d7c7553202 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x64d7c7553202 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x64d7c7553202 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x64d7c7553202 - ::fmt::h67edf0e4d33c343c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x64d7c756261f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x64d7c756261f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x64d7c75315a1 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x64d7c75315a1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x64d7c7536922 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x64d7c75381dc - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x64d7c7538036 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x64d7c7538865 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x64d7c75386fa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x64d7c7536a59 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x64d7c7525ffd - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x64d7c7565c60 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x64d7c7565236 - core::result::unwrap_failed::hdde076be853d034f [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x64d7c75089e2 - core::result::Result::expect::hf094c378d3d1fc16 [INFO] [stdout] 18: 0x64d7c7508bb4 - rust_out::main::_doctest_main_src_lib_rs_96_0::h8d6a7f6d32bf7136 [INFO] [stdout] 19: 0x64d7c7508a96 - rust_out::main::h909c389308a13d94 [INFO] [stdout] 20: 0x64d7c75088d3 - core::ops::function::FnOnce::call_once::he80aaf16098e337a [INFO] [stdout] 21: 0x64d7c7508866 - std::sys::backtrace::__rust_begin_short_backtrace::hd4f5856814720a68 [INFO] [stdout] 22: 0x64d7c7508849 - std::rt::lang_start::{{closure}}::hdd522a24cafb4b4b [INFO] [stdout] 23: 0x64d7c75329a0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x64d7c75329a0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x64d7c75329a0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x64d7c75329a0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x64d7c75329a0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x64d7c75329a0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x64d7c75329a0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x64d7c75329a0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x64d7c75329a0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x64d7c7508831 - std::rt::lang_start::h5d51bffdfd88737a [INFO] [stdout] 33: 0x64d7c7508c45 - main [INFO] [stdout] 34: 0x7a54872b31ca - [INFO] [stdout] 35: 0x7a54872b328b - __libc_start_main [INFO] [stdout] 36: 0x64d7c75064b5 - _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: 0x6131c839c472 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x6131c839c472 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x6131c839c472 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x6131c839c472 - ::fmt::h67edf0e4d33c343c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x6131c83ab9af - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x6131c83ab9af - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x6131c837a811 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x6131c837a811 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x6131c837fb92 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x6131c838144c - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x6131c83812a6 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x6131c8381ad5 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x6131c838196a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x6131c837fcc9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x6131c836f26d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x6131c83af1d0 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x6131c83ae7a6 - core::result::unwrap_failed::hdde076be853d034f [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x6131c83294b2 - core::result::Result::expect::hf094c378d3d1fc16 [INFO] [stdout] 18: 0x6131c8329ba4 - rust_out::main::_doctest_main_src_lib_rs_64_0::h6ca8f2dea939f252 [INFO] [stdout] 19: 0x6131c8329a86 - rust_out::main::h909c389308a13d94 [INFO] [stdout] 20: 0x6131c83292b3 - core::ops::function::FnOnce::call_once::he80aaf16098e337a [INFO] [stdout] 21: 0x6131c8329256 - std::sys::backtrace::__rust_begin_short_backtrace::hd4f5856814720a68 [INFO] [stdout] 22: 0x6131c8329099 - std::rt::lang_start::{{closure}}::hdd522a24cafb4b4b [INFO] [stdout] 23: 0x6131c837bc10 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x6131c837bc10 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x6131c837bc10 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x6131c837bc10 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x6131c837bc10 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x6131c837bc10 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x6131c837bc10 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x6131c837bc10 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x6131c837bc10 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stdout] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x6131c8329081 - std::rt::lang_start::h5d51bffdfd88737a [INFO] [stdout] 33: 0x6131c8329c25 - main [INFO] [stdout] 34: 0x748aa90281ca - [INFO] [stdout] 35: 0x748aa902828b - __libc_start_main [INFO] [stdout] 36: 0x6131c8326f85 - _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 0.56s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "945d62fd19a3b2e794611272f2165f80cde8a5a1813d78f160160953f738f085", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "945d62fd19a3b2e794611272f2165f80cde8a5a1813d78f160160953f738f085", kill_on_drop: false }` [INFO] [stdout] 945d62fd19a3b2e794611272f2165f80cde8a5a1813d78f160160953f738f085