[INFO] cloning repository https://github.com/nathiss/svg_avatars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathiss/svg_avatars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathiss%2Fsvg_avatars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathiss%2Fsvg_avatars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d0e5a84cf42ef4b2ba076dcc513f28a572fbb27
[INFO] testing nathiss/svg_avatars against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathiss%2Fsvg_avatars" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nathiss/svg_avatars
[INFO] finished tweaking git repo https://github.com/nathiss/svg_avatars
[INFO] tweaked toml for git repo https://github.com/nathiss/svg_avatars written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nathiss/svg_avatars on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nathiss/svg_avatars 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" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9ce6fca22bd73ba0d7f0fac2d3529c625a4f171589a32672e50adc2fb5aa679
[INFO] running `Command { std: "docker" "start" "-a" "d9ce6fca22bd73ba0d7f0fac2d3529c625a4f171589a32672e50adc2fb5aa679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9ce6fca22bd73ba0d7f0fac2d3529c625a4f171589a32672e50adc2fb5aa679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ce6fca22bd73ba0d7f0fac2d3529c625a4f171589a32672e50adc2fb5aa679", kill_on_drop: false }`
[INFO] [stdout] d9ce6fca22bd73ba0d7f0fac2d3529c625a4f171589a32672e50adc2fb5aa679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ad7d0f5741c85908ed2936cb145e7c58d1e2410d5ecc1c9e7d83bd656fc108a
[INFO] running `Command { std: "docker" "start" "-a" "8ad7d0f5741c85908ed2936cb145e7c58d1e2410d5ecc1c9e7d83bd656fc108a", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling svg v0.15.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling svg_avatars v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "8ad7d0f5741c85908ed2936cb145e7c58d1e2410d5ecc1c9e7d83bd656fc108a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad7d0f5741c85908ed2936cb145e7c58d1e2410d5ecc1c9e7d83bd656fc108a", kill_on_drop: false }`
[INFO] [stdout] 8ad7d0f5741c85908ed2936cb145e7c58d1e2410d5ecc1c9e7d83bd656fc108a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcedec9159af2f0c8237b0f2b61255c1339b1dfba483a64fafa0d252659b2fa9
[INFO] running `Command { std: "docker" "start" "-a" "bcedec9159af2f0c8237b0f2b61255c1339b1dfba483a64fafa0d252659b2fa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling svg_avatars v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "bcedec9159af2f0c8237b0f2b61255c1339b1dfba483a64fafa0d252659b2fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcedec9159af2f0c8237b0f2b61255c1339b1dfba483a64fafa0d252659b2fa9", kill_on_drop: false }`
[INFO] [stdout] bcedec9159af2f0c8237b0f2b61255c1339b1dfba483a64fafa0d252659b2fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c90ca633457bf57986af9af929bc0232572d0dbf222d6df81a1f72e1d6156b4c
[INFO] running `Command { std: "docker" "start" "-a" "c90ca633457bf57986af9af929bc0232572d0dbf222d6df81a1f72e1d6156b4c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/svg_avatars-3fd570f6a649432e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests svg_avatars
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/svg_avatar_builder.rs - svg_avatar_builder::SvgAvatarBuilder::stroke_color (line 113) ... ok
[INFO] [stdout] test src/svg_avatar_builder.rs - svg_avatar_builder::SvgAvatarBuilder::rings (line 84) ... ok
[INFO] [stdout] test src/svg_avatar_builder.rs - svg_avatar_builder::SvgAvatarBuilder::identifier (line 39) ... ok
[INFO] [stdout] test src/svg_avatar_builder.rs - svg_avatar_builder::SvgAvatarBuilder::stroke_color (line 106) ... ok
[INFO] [stdout] test src/svg_avatar.rs - svg_avatar::SvgAvatar::fmt (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] test src/svg_avatar_builder.rs - svg_avatar_builder::SvgAvatarBuilder::identifier_bytes (line 63) ... ok
[INFO] [stdout] test src/svg_avatar_builder.rs - svg_avatar_builder::SvgAvatarBuilder::stroke_color (line 120) ... ok
[INFO] [stdout] test src/svg_avatar_builder.rs - svg_avatar_builder::SvgAvatarBuilder::build (line 138) ... ok
[INFO] [stdout] test src/svg_avatar.rs - svg_avatar::SvgAvatar::save (line 33) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (257) panicked at src/lib.rs:12:6:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x579260cc674a - std[1209cfb42f6d497f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x579260cc674a - std[1209cfb42f6d497f]::backtrace_rs::backtrace::trace_unsynchronized::<std[1209cfb42f6d497f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x579260cc674a - std[1209cfb42f6d497f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x579260cc674a - <<std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4a92201981c6b77a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x579260cd883a - <core[4a92201981c6b77a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x579260cd883a - core[4a92201981c6b77a]::fmt::write
[INFO] [stdout]    6:     0x579260cc9ec2 - std[1209cfb42f6d497f]::io::default_write_fmt::<std[1209cfb42f6d497f]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x579260cc9ec2 - <std[1209cfb42f6d497f]::sys::stdio::unix::Stderr as std[1209cfb42f6d497f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x579260cb1e0f - <std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x579260cb1e0f - std[1209cfb42f6d497f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x579260cc26a1 - std[1209cfb42f6d497f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x579260cc285b - std[1209cfb42f6d497f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x579260cb1ec8 - std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x579260ca73b9 - std[1209cfb42f6d497f]::sys::backtrace::__rust_end_short_backtrace::<std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x579260cb27ad - __rustc[4effac393e9f3da6]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x579260cd8f8c - core[4a92201981c6b77a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x579260cd8d02 - core[4a92201981c6b77a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x579260c70fdb - rust_out[b88cb90d1d05b049]::main::_doctest_main_src_lib_rs_8_0
[INFO] [stdout]   18:     0x579260c70606 - rust_out[b88cb90d1d05b049]::main
[INFO] [stdout]   19:     0x579260c71a43 - <fn() as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x579260c70246 - std[1209cfb42f6d497f]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x579260c70599 - std[1209cfb42f6d497f]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x579260cc1e27 - <&dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x579260cc1e27 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<&dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x579260cc1e27 - std[1209cfb42f6d497f]::panicking::catch_unwind::<i32, &dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x579260cc1e27 - std[1209cfb42f6d497f]::panic::catch_unwind::<&dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x579260cc1e27 - std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x579260cc1e27 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x579260cc1e27 - std[1209cfb42f6d497f]::panicking::catch_unwind::<isize, std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x579260cc1e27 - std[1209cfb42f6d497f]::panic::catch_unwind::<std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x579260cc1e27 - std[1209cfb42f6d497f]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x579260c70091 - std[1209cfb42f6d497f]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x579260c71f55 - main
[INFO] [stdout]   33:     0x74b587b961ca - <unknown>
[INFO] [stdout]   34:     0x74b587b9628b - __libc_start_main
[INFO] [stdout]   35:     0x579260c6f3f5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/svg_avatar.rs - svg_avatar::SvgAvatar::save (line 33) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (299) panicked at src/svg_avatar.rs:11:21:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555fc1b596ca - std[1209cfb42f6d497f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x555fc1b596ca - std[1209cfb42f6d497f]::backtrace_rs::backtrace::trace_unsynchronized::<std[1209cfb42f6d497f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x555fc1b596ca - std[1209cfb42f6d497f]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x555fc1b596ca - <<std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4a92201981c6b77a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x555fc1b6b7ba - <core[4a92201981c6b77a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x555fc1b6b7ba - core[4a92201981c6b77a]::fmt::write
[INFO] [stdout]    6:     0x555fc1b5ce42 - std[1209cfb42f6d497f]::io::default_write_fmt::<std[1209cfb42f6d497f]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x555fc1b5ce42 - <std[1209cfb42f6d497f]::sys::stdio::unix::Stderr as std[1209cfb42f6d497f]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x555fc1b44d8f - <std[1209cfb42f6d497f]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x555fc1b44d8f - std[1209cfb42f6d497f]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x555fc1b55621 - std[1209cfb42f6d497f]::panicking::default_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x555fc1b557db - std[1209cfb42f6d497f]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x555fc1b44e48 - std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x555fc1b3a339 - std[1209cfb42f6d497f]::sys::backtrace::__rust_end_short_backtrace::<std[1209cfb42f6d497f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x555fc1b4572d - __rustc[4effac393e9f3da6]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x555fc1b6bf0c - core[4a92201981c6b77a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x555fc1b6bc82 - core[4a92201981c6b77a]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x555fc1b03f8d - rust_out[b88cb90d1d05b049]::main::_doctest_main_src_svg_avatar_rs_33_0
[INFO] [stdout]   18:     0x555fc1b035d6 - rust_out[b88cb90d1d05b049]::main
[INFO] [stdout]   19:     0x555fc1b049f3 - <fn() as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x555fc1b03216 - std[1209cfb42f6d497f]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x555fc1b03569 - std[1209cfb42f6d497f]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x555fc1b54da7 - <&dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync as core[4a92201981c6b77a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x555fc1b54da7 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<&dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x555fc1b54da7 - std[1209cfb42f6d497f]::panicking::catch_unwind::<i32, &dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x555fc1b54da7 - std[1209cfb42f6d497f]::panic::catch_unwind::<&dyn core[4a92201981c6b77a]::ops::function::Fn<(), Output = i32> + core[4a92201981c6b77a]::panic::unwind_safe::RefUnwindSafe + core[4a92201981c6b77a]::marker::Sync, i32>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x555fc1b54da7 - std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x555fc1b54da7 - std[1209cfb42f6d497f]::panicking::catch_unwind::do_call::<std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x555fc1b54da7 - std[1209cfb42f6d497f]::panicking::catch_unwind::<isize, std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x555fc1b54da7 - std[1209cfb42f6d497f]::panic::catch_unwind::<std[1209cfb42f6d497f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x555fc1b54da7 - std[1209cfb42f6d497f]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/f9988fefd3add01f414f52b414308e7872622fee/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x555fc1b03061 - std[1209cfb42f6d497f]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x555fc1b04f05 - main
[INFO] [stdout]   33:     0x72e795ed21ca - <unknown>
[INFO] [stdout]   34:     0x72e795ed228b - __libc_start_main
[INFO] [stdout]   35:     0x555fc1b023c5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout]     src/svg_avatar.rs - svg_avatar::SvgAvatar::save (line 33)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c90ca633457bf57986af9af929bc0232572d0dbf222d6df81a1f72e1d6156b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90ca633457bf57986af9af929bc0232572d0dbf222d6df81a1f72e1d6156b4c", kill_on_drop: false }`
[INFO] [stdout] c90ca633457bf57986af9af929bc0232572d0dbf222d6df81a1f72e1d6156b4c
