[INFO] fetching crate wifi-qr-code 0.1.0... [INFO] testing wifi-qr-code-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1 [INFO] extracting crate wifi-qr-code 0.1.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wifi-qr-code 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a3fb46ac2937cf44d65e3edd691132d3b95a060c5d19203b645f868af3d5fcf [INFO] running `Command { std: "docker" "start" "-a" "4a3fb46ac2937cf44d65e3edd691132d3b95a060c5d19203b645f868af3d5fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a3fb46ac2937cf44d65e3edd691132d3b95a060c5d19203b645f868af3d5fcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a3fb46ac2937cf44d65e3edd691132d3b95a060c5d19203b645f868af3d5fcf", kill_on_drop: false }` [INFO] [stdout] 4a3fb46ac2937cf44d65e3edd691132d3b95a060c5d19203b645f868af3d5fcf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ba6cc7d6b0ef61abe9d8460b38bb95212c1bee6227be64934aa79406204e229 [INFO] running `Command { std: "docker" "start" "-a" "4ba6cc7d6b0ef61abe9d8460b38bb95212c1bee6227be64934aa79406204e229", 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 proc-macro2 v0.4.30 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [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 rayon-core v1.6.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling qrcodegen v1.4.0 [INFO] [stderr] Compiling htmlescape v0.3.1 [INFO] [stderr] Compiling rc-writer v1.1.6 [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 22.19s [INFO] running `Command { std: "docker" "inspect" "4ba6cc7d6b0ef61abe9d8460b38bb95212c1bee6227be64934aa79406204e229", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ba6cc7d6b0ef61abe9d8460b38bb95212c1bee6227be64934aa79406204e229", kill_on_drop: false }` [INFO] [stdout] 4ba6cc7d6b0ef61abe9d8460b38bb95212c1bee6227be64934aa79406204e229 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 526729d0c59198a077ca89663f70138eb0d28ac2d6fc394933248c3e71adbb21 [INFO] running `Command { std: "docker" "start" "-a" "526729d0c59198a077ca89663f70138eb0d28ac2d6fc394933248c3e71adbb21", 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-segmentation v1.6.0 [INFO] [stderr] Compiling unicode-width v0.1.7 [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 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 12.25s [INFO] running `Command { std: "docker" "inspect" "526729d0c59198a077ca89663f70138eb0d28ac2d6fc394933248c3e71adbb21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "526729d0c59198a077ca89663f70138eb0d28ac2d6fc394933248c3e71adbb21", kill_on_drop: false }` [INFO] [stdout] 526729d0c59198a077ca89663f70138eb0d28ac2d6fc394933248c3e71adbb21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 25772a4a752c899c56f3fa96da80ae15565de3d07785a36a72e8fc15f50e0ce3 [INFO] running `Command { std: "docker" "start" "-a" "25772a4a752c899c56f3fa96da80ae15565de3d07785a36a72e8fc15f50e0ce3", kill_on_drop: false }` [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] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wifi_qr_code-32c60ad3e87cfd5f) [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 - WifiCredentials::encode (line 178) ... 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 - encode_as_png (line 64) ... FAILED [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [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' (120) 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: 0x608f556f3132 - std::backtrace_rs::backtrace::libunwind::trace::h22a6a535a50603c6 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x608f556f3132 - std::backtrace_rs::backtrace::trace_unsynchronized::h2503a4f30dbfbaa2 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x608f556f3132 - std::sys::backtrace::_print_fmt::hec54e31f36456895 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x608f556f3132 - ::fmt::hb1988e8b50fa5f19 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x608f5570259f - core::fmt::rt::Argument::fmt::h3118a66e1a57a586 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x608f5570259f - core::fmt::write::hcd056e06a609f600 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x608f556d1341 - std::io::default_write_fmt::h45f0f9de0268fdcb [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x608f556d1341 - std::io::Write::write_fmt::hc685c74e0b8ce55d [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x608f556d6432 - std::sys::backtrace::BacktraceLock::print::h69f50ba7cfff8317 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x608f556d7cec - std::panicking::default_hook::{{closure}}::hfa978eb2255ab3ab [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x608f556d7b46 - std::panicking::default_hook::h09da2eaf8f1deadd [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x608f556d8375 - std::panicking::panic_with_hook::h13c40d280d130fd3 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x608f556d820a - std::panicking::panic_handler::{{closure}}::hd79d22e8a1d3b951 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x608f556d6579 - std::sys::backtrace::__rust_end_short_backtrace::h83414d1ec69cf3a6 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x608f556c5b3d - __rustc[b78aa6c7b08e5dc4]::rust_begin_unwind [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x608f55705be0 - core::panicking::panic_fmt::h326b75cf8ee01b13 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:78:14 [INFO] [stdout] 16: 0x608f557051b6 - core::result::unwrap_failed::h38baee32fdec5ac8 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x608f556a93a2 - core::result::Result::expect::h3ad23d2c51fdc865 [INFO] [stdout] 18: 0x608f556a9574 - rust_out::main::_doctest_main_src_lib_rs_96_0::he4ab3be34aac5c60 [INFO] [stdout] 19: 0x608f556a9456 - rust_out::main::he42420d96a9d7f64 [INFO] [stdout] 20: 0x608f556a9253 - core::ops::function::FnOnce::call_once::h69ea4ce53012ff78 [INFO] [stdout] 21: 0x608f556a9226 - std::sys::backtrace::__rust_begin_short_backtrace::h3de91f36bae4c6b1 [INFO] [stdout] 22: 0x608f556a9209 - std::rt::lang_start::{{closure}}::h8b7ae09552e39435 [INFO] [stdout] 23: 0x608f556d24a0 - core::ops::function::impls:: for &F>::call_once::h387c5546b57ddfde [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x608f556d24a0 - std::panicking::catch_unwind::do_call::hf9fdd250c001d1cd [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x608f556d24a0 - std::panicking::catch_unwind::hc213e1339e7313f3 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x608f556d24a0 - std::panic::catch_unwind::h7e2e13142bd98e67 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x608f556d24a0 - std::rt::lang_start_internal::{{closure}}::ha8eea67def213c83 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x608f556d24a0 - std::panicking::catch_unwind::do_call::hc6f04b090be4f56e [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x608f556d24a0 - std::panicking::catch_unwind::hfb8ae23b2e34f7c2 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x608f556d24a0 - std::panic::catch_unwind::hf2cef20feb3addd6 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x608f556d24a0 - std::rt::lang_start_internal::h1ca864a6b9355c57 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x608f556a91f1 - std::rt::lang_start::h60a8ec71437d48b3 [INFO] [stdout] 33: 0x608f556a9605 - main [INFO] [stdout] 34: 0x7c6cf3cf31ca - [INFO] [stdout] 35: 0x7c6cf3cf328b - __libc_start_main [INFO] [stdout] 36: 0x608f556a6e75 - _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' (121) 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: 0x651f5736ff32 - std::backtrace_rs::backtrace::libunwind::trace::h22a6a535a50603c6 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x651f5736ff32 - std::backtrace_rs::backtrace::trace_unsynchronized::h2503a4f30dbfbaa2 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x651f5736ff32 - std::sys::backtrace::_print_fmt::hec54e31f36456895 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x651f5736ff32 - ::fmt::hb1988e8b50fa5f19 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x651f5737f4bf - core::fmt::rt::Argument::fmt::h3118a66e1a57a586 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x651f5737f4bf - core::fmt::write::hcd056e06a609f600 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x651f5734e141 - std::io::default_write_fmt::h45f0f9de0268fdcb [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x651f5734e141 - std::io::Write::write_fmt::hc685c74e0b8ce55d [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x651f57353232 - std::sys::backtrace::BacktraceLock::print::h69f50ba7cfff8317 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x651f57354aec - std::panicking::default_hook::{{closure}}::hfa978eb2255ab3ab [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x651f57354946 - std::panicking::default_hook::h09da2eaf8f1deadd [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x651f57355175 - std::panicking::panic_with_hook::h13c40d280d130fd3 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x651f5735500a - std::panicking::panic_handler::{{closure}}::hd79d22e8a1d3b951 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x651f57353379 - std::sys::backtrace::__rust_end_short_backtrace::h83414d1ec69cf3a6 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x651f5734293d - __rustc[b78aa6c7b08e5dc4]::rust_begin_unwind [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x651f57382ce0 - core::panicking::panic_fmt::h326b75cf8ee01b13 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/panicking.rs:78:14 [INFO] [stdout] 16: 0x651f573822b6 - core::result::unwrap_failed::h38baee32fdec5ac8 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x651f572fc722 - core::result::Result::expect::h3ad23d2c51fdc865 [INFO] [stdout] 18: 0x651f572fce14 - rust_out::main::_doctest_main_src_lib_rs_64_0::h9b0a25c14abe11d8 [INFO] [stdout] 19: 0x651f572fccf6 - rust_out::main::he42420d96a9d7f64 [INFO] [stdout] 20: 0x651f572fc4e3 - core::ops::function::FnOnce::call_once::h69ea4ce53012ff78 [INFO] [stdout] 21: 0x651f572fc4c6 - std::sys::backtrace::__rust_begin_short_backtrace::h3de91f36bae4c6b1 [INFO] [stdout] 22: 0x651f572fc309 - std::rt::lang_start::{{closure}}::h8b7ae09552e39435 [INFO] [stdout] 23: 0x651f5734f2a0 - core::ops::function::impls:: for &F>::call_once::h387c5546b57ddfde [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x651f5734f2a0 - std::panicking::catch_unwind::do_call::hf9fdd250c001d1cd [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x651f5734f2a0 - std::panicking::catch_unwind::hc213e1339e7313f3 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x651f5734f2a0 - std::panic::catch_unwind::h7e2e13142bd98e67 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x651f5734f2a0 - std::rt::lang_start_internal::{{closure}}::ha8eea67def213c83 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x651f5734f2a0 - std::panicking::catch_unwind::do_call::hc6f04b090be4f56e [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x651f5734f2a0 - std::panicking::catch_unwind::hfb8ae23b2e34f7c2 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x651f5734f2a0 - std::panic::catch_unwind::hf2cef20feb3addd6 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x651f5734f2a0 - std::rt::lang_start_internal::h1ca864a6b9355c57 [INFO] [stdout] at /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x651f572fc2f1 - std::rt::lang_start::h60a8ec71437d48b3 [INFO] [stdout] 33: 0x651f572fce95 - main [INFO] [stdout] 34: 0x778aa0efd1ca - [INFO] [stdout] 35: 0x778aa0efd28b - __libc_start_main [INFO] [stdout] 36: 0x651f572fa1f5 - _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 1.32s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "25772a4a752c899c56f3fa96da80ae15565de3d07785a36a72e8fc15f50e0ce3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25772a4a752c899c56f3fa96da80ae15565de3d07785a36a72e8fc15f50e0ce3", kill_on_drop: false }` [INFO] [stdout] 25772a4a752c899c56f3fa96da80ae15565de3d07785a36a72e8fc15f50e0ce3