[INFO] fetching crate wifi-qr-code 0.1.0... [INFO] testing wifi-qr-code-0.1.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate wifi-qr-code 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate wifi-qr-code 0.1.0 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7/source/Cargo.toml [INFO] crate crates.io crate wifi-qr-code 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded htmlescape v0.3.1 [INFO] [stderr] Downloaded color_quant v1.0.1 [INFO] [stderr] Downloaded jpeg-decoder v0.1.16 [INFO] [stderr] Downloaded adler32 v1.0.4 [INFO] [stderr] Downloaded num-integer v0.1.41 [INFO] [stderr] Downloaded proc-macro-error v0.2.6 [INFO] [stderr] Downloaded gif v0.10.3 [INFO] [stderr] Downloaded png v0.12.0 [INFO] [stderr] Downloaded num-rational v0.2.2 [INFO] [stderr] Downloaded tiff v0.2.2 [INFO] [stderr] Downloaded rpassword v4.0.3 [INFO] [stderr] Downloaded deflate v0.7.20 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded num-iter v0.1.39 [INFO] [stderr] Downloaded lzw v0.10.0 [INFO] [stderr] Downloaded image v0.20.1 [INFO] [stderr] Downloaded bitflags v1.2.0 [INFO] [stderr] Downloaded syn v1.0.11 [INFO] [stderr] Downloaded qrcodegen v1.4.0 [INFO] [stderr] Downloaded structopt-derive v0.3.5 [INFO] [stderr] Downloaded structopt v0.3.5 [INFO] [stderr] Downloaded rc-writer v1.1.6 [INFO] [stderr] Downloaded qrcode-generator v1.0.5 [INFO] [stderr] Downloaded proc-macro2 v1.0.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8b33038441ab315bcca466c632baef2fd8dbaef85a700701ecab4b612ec158ae [INFO] running `Command { std: "docker" "start" "-a" "8b33038441ab315bcca466c632baef2fd8dbaef85a700701ecab4b612ec158ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b33038441ab315bcca466c632baef2fd8dbaef85a700701ecab4b612ec158ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b33038441ab315bcca466c632baef2fd8dbaef85a700701ecab4b612ec158ae", kill_on_drop: false }` [INFO] [stdout] 8b33038441ab315bcca466c632baef2fd8dbaef85a700701ecab4b612ec158ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 970d8af8bd0a563c6daace3aac91d18cbe4b39fb747ecd511daf4b22603575f8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "970d8af8bd0a563c6daace3aac91d18cbe4b39fb747ecd511daf4b22603575f8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling libc v0.2.62 [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 bitflags v1.2.0 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling htmlescape v0.3.1 [INFO] [stderr] Compiling rc-writer v1.1.6 [INFO] [stderr] Compiling qrcodegen v1.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling gif v0.10.3 [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 crossbeam-queue v0.1.2 [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 num_cpus v1.10.1 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling num-derive v0.2.5 [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 [unoptimized + debuginfo] target(s) in 40.09s [INFO] running `Command { std: "docker" "inspect" "970d8af8bd0a563c6daace3aac91d18cbe4b39fb747ecd511daf4b22603575f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "970d8af8bd0a563c6daace3aac91d18cbe4b39fb747ecd511daf4b22603575f8", kill_on_drop: false }` [INFO] [stdout] 970d8af8bd0a563c6daace3aac91d18cbe4b39fb747ecd511daf4b22603575f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dcb0529966e8c16fce7b74e659a05be0ce00f03eb4e75508890d95bf55aecc0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0dcb0529966e8c16fce7b74e659a05be0ce00f03eb4e75508890d95bf55aecc0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling rpassword v4.0.3 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling syn v1.0.11 [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 [unoptimized + debuginfo] target(s) in 24.77s [INFO] running `Command { std: "docker" "inspect" "0dcb0529966e8c16fce7b74e659a05be0ce00f03eb4e75508890d95bf55aecc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dcb0529966e8c16fce7b74e659a05be0ce00f03eb4e75508890d95bf55aecc0", kill_on_drop: false }` [INFO] [stdout] 0dcb0529966e8c16fce7b74e659a05be0ce00f03eb4e75508890d95bf55aecc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8964e03f738a6012e72c16048f65cb831878f65b828ae491e073df7bd0ae8c0e [INFO] running `Command { std: "docker" "start" "-a" "8964e03f738a6012e72c16048f65cb831878f65b828ae491e073df7bd0ae8c0e", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stdout] running 2 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/wifi_qr_code-9a9e8ae49c05a4cf) [INFO] [stdout] test tests::it_encodes_valid_wifi_forms ... ok [INFO] [stderr] Doc-tests wifi-qr-code [INFO] [stdout] test tests::it_properly_handles_escaped_characters ... 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] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - encode_as_png (line 64) ... FAILED [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 - WifiCredentials::encode (line 178) ... ok [INFO] [stdout] test src/lib.rs - encode_as_matrix (line 15) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - encode_as_png (line 64) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Failed to create example PNG file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/lib.rs:14:44 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55f0c7d7ea5d - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55f0c7d7ea5d - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55f0c7d7ea5d - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55f0c7d7ea5d - ::fmt::h606862f787600875 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55f0c7d9b07c - core::fmt::write::he803f0f418caf762 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x55f0c7d7ba48 - std::io::Write::write_fmt::h70bc45872f37e7bb [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x55f0c7d804f7 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55f0c7d804f7 - std::sys_common::backtrace::print::h359300b4a7fccf65 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55f0c7d804f7 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55f0c7d801c0 - std::panicking::default_hook::h03ca0f22e1d2d25e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:314:9 [INFO] [stdout] 10: 0x55f0c7d80c49 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55f0c7d80937 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55f0c7d7ef24 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55f0c7d80649 - rust_begin_unwind [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55f0c7d07383 - core::panicking::panic_fmt::he1bbc7336d49a357 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x55f0c7d07413 - core::result::unwrap_failed::h719f957ed74f93fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1749:5 [INFO] [stdout] 16: 0x55f0c7d0ab3d - core::result::Result::expect::h0928e1b2883b3c73 [INFO] [stdout] 17: 0x55f0c7d07f46 - rust_out::main::_doctest_main_src_lib_rs_64_0::h1f369b58b49af9bc [INFO] [stdout] 18: 0x55f0c7d07df6 - rust_out::main::he239c4229bb09803 [INFO] [stdout] 19: 0x55f0c7d07bf3 - core::ops::function::FnOnce::call_once::h13013349529417b5 [INFO] [stdout] 20: 0x55f0c7d0abd9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hf40d275ec09763ca [INFO] [stdout] 21: 0x55f0c7d0aba9 - std::rt::lang_start::{{closure}}::h3f8eb3e9838506c6 [INFO] [stdout] 22: 0x55f0c7d7e141 - core::ops::function::impls:: for &F>::call_once::hb7014f43484a8b4e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x55f0c7d7e141 - std::panicking::try::do_call::h7bc9dc436daeb8c7 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 24: 0x55f0c7d7e141 - std::panicking::try::h653d68a27ff5f175 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 25: 0x55f0c7d7e141 - std::panic::catch_unwind::h9d739f9f59895e68 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 26: 0x55f0c7d7e141 - std::rt::lang_start_internal::{{closure}}::hf006f2bc7ce22bbe [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:48 [INFO] [stdout] 27: 0x55f0c7d7e141 - std::panicking::try::do_call::hfb39d6df61a2e69f [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 28: 0x55f0c7d7e141 - std::panicking::try::h13e2d225134958ac [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 29: 0x55f0c7d7e141 - std::panic::catch_unwind::h3bd49b5a5dfb1a50 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 30: 0x55f0c7d7e141 - std::rt::lang_start_internal::h2ba92edce36c035e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:20 [INFO] [stdout] 31: 0x55f0c7d0ab91 - std::rt::lang_start::he6b3cd9500177830 [INFO] [stdout] 32: 0x55f0c7d0ac63 - main [INFO] [stdout] 33: 0x7fce84ea90b3 - __libc_start_main [INFO] [stdout] 34: 0x55f0c7d07b0e - _start [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - encode_as_svg (line 96) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'Failed to create example SVG file.: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/lib.rs:14:44 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564700b1b3bd - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x564700b1b3bd - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x564700b1b3bd - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x564700b1b3bd - ::fmt::h606862f787600875 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x564700b37bac - core::fmt::write::he803f0f418caf762 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17 [INFO] [stdout] 5: 0x564700b183a8 - std::io::Write::write_fmt::h70bc45872f37e7bb [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15 [INFO] [stdout] 6: 0x564700b1ce57 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x564700b1ce57 - std::sys_common::backtrace::print::h359300b4a7fccf65 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x564700b1ce57 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x564700b1cb20 - std::panicking::default_hook::h03ca0f22e1d2d25e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:314:9 [INFO] [stdout] 10: 0x564700b1d5a9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x564700b1d297 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x564700b1b884 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x564700b1cfa9 - rust_begin_unwind [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x564700ad3383 - core::panicking::panic_fmt::he1bbc7336d49a357 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x564700ad3413 - core::result::unwrap_failed::h719f957ed74f93fd [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/result.rs:1749:5 [INFO] [stdout] 16: 0x564700ad70cd - core::result::Result::expect::h0928e1b2883b3c73 [INFO] [stdout] 17: 0x564700ad3e66 - rust_out::main::_doctest_main_src_lib_rs_96_0::h8ec07d10b9f991a3 [INFO] [stdout] 18: 0x564700ad3d16 - rust_out::main::he239c4229bb09803 [INFO] [stdout] 19: 0x564700ad3bf3 - core::ops::function::FnOnce::call_once::h13013349529417b5 [INFO] [stdout] 20: 0x564700ad7169 - std::sys_common::backtrace::__rust_begin_short_backtrace::hf40d275ec09763ca [INFO] [stdout] 21: 0x564700ad7139 - std::rt::lang_start::{{closure}}::h3f8eb3e9838506c6 [INFO] [stdout] 22: 0x564700b1aaa1 - core::ops::function::impls:: for &F>::call_once::hb7014f43484a8b4e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x564700b1aaa1 - std::panicking::try::do_call::h7bc9dc436daeb8c7 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 24: 0x564700b1aaa1 - std::panicking::try::h653d68a27ff5f175 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 25: 0x564700b1aaa1 - std::panic::catch_unwind::h9d739f9f59895e68 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 26: 0x564700b1aaa1 - std::rt::lang_start_internal::{{closure}}::hf006f2bc7ce22bbe [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:48 [INFO] [stdout] 27: 0x564700b1aaa1 - std::panicking::try::do_call::hfb39d6df61a2e69f [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40 [INFO] [stdout] 28: 0x564700b1aaa1 - std::panicking::try::h13e2d225134958ac [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19 [INFO] [stdout] 29: 0x564700b1aaa1 - std::panic::catch_unwind::h3bd49b5a5dfb1a50 [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14 [INFO] [stdout] 30: 0x564700b1aaa1 - std::rt::lang_start_internal::h2ba92edce36c035e [INFO] [stdout] at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:20 [INFO] [stdout] 31: 0x564700ad7121 - std::rt::lang_start::he6b3cd9500177830 [INFO] [stdout] 32: 0x564700ad7213 - main [INFO] [stdout] 33: 0x7f40942880b3 - __libc_start_main [INFO] [stdout] 34: 0x564700ad3b0e - _start [INFO] [stdout] 35: 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 4.88s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "8964e03f738a6012e72c16048f65cb831878f65b828ae491e073df7bd0ae8c0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8964e03f738a6012e72c16048f65cb831878f65b828ae491e073df7bd0ae8c0e", kill_on_drop: false }` [INFO] [stdout] 8964e03f738a6012e72c16048f65cb831878f65b828ae491e073df7bd0ae8c0e