[INFO] fetching crate pdfpdf 0.2.0...
[INFO] testing pdfpdf-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate pdfpdf 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate pdfpdf 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pdfpdf 0.2.0
[INFO] finished tweaking crates.io crate pdfpdf 0.2.0
[INFO] tweaked toml for crates.io crate pdfpdf 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f76925e6ab0c194c94052eceff506cb9760851f8c2c7dcd8996a4376f5e93a32
[INFO] running `Command { std: "docker" "start" "-a" "f76925e6ab0c194c94052eceff506cb9760851f8c2c7dcd8996a4376f5e93a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f76925e6ab0c194c94052eceff506cb9760851f8c2c7dcd8996a4376f5e93a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76925e6ab0c194c94052eceff506cb9760851f8c2c7dcd8996a4376f5e93a32", kill_on_drop: false }`
[INFO] [stdout] f76925e6ab0c194c94052eceff506cb9760851f8c2c7dcd8996a4376f5e93a32
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4c14ef1267d61f0a0185213d0b29ba03e146c15596a39fa743fad570d6ddbee
[INFO] running `Command { std: "docker" "start" "-a" "e4c14ef1267d61f0a0185213d0b29ba03e146c15596a39fa743fad570d6ddbee", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling pdfpdf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]     --> src/fonts.rs:6:1
[INFO] [stdout]      |
[INFO] [stdout] 6    | / lazy_static!{
[INFO] [stdout] 7    | |     pub static ref GLYPH_WIDTHS: HashMap<Font, HashMap<char, f64>> = {
[INFO] [stdout] 8    | |         let mut TimesRoman_widths: HashMap<char, f64> = HashMap::new();
[INFO] [stdout] 9    | |         TimesRoman_widths.insert('A', 0.72);
[INFO] [stdout] ...    |
[INFO] [stdout] 4023 | |     };
[INFO] [stdout] 4024 | | }
[INFO] [stdout]      | |_^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e4c14ef1267d61f0a0185213d0b29ba03e146c15596a39fa743fad570d6ddbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c14ef1267d61f0a0185213d0b29ba03e146c15596a39fa743fad570d6ddbee", kill_on_drop: false }`
[INFO] [stdout] e4c14ef1267d61f0a0185213d0b29ba03e146c15596a39fa743fad570d6ddbee
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9932a189a63c77422cb8cfb83fd0c7e3b98a1b5df1a17db6ad95d538d7c56b51
[INFO] running `Command { std: "docker" "start" "-a" "9932a189a63c77422cb8cfb83fd0c7e3b98a1b5df1a17db6ad95d538d7c56b51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pdfpdf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]     --> src/fonts.rs:6:1
[INFO] [stdout]      |
[INFO] [stdout] 6    | / lazy_static!{
[INFO] [stdout] 7    | |     pub static ref GLYPH_WIDTHS: HashMap<Font, HashMap<char, f64>> = {
[INFO] [stdout] 8    | |         let mut TimesRoman_widths: HashMap<char, f64> = HashMap::new();
[INFO] [stdout] 9    | |         TimesRoman_widths.insert('A', 0.72);
[INFO] [stdout] ...    |
[INFO] [stdout] 4023 | |     };
[INFO] [stdout] 4024 | | }
[INFO] [stdout]      | |_^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]     --> src/fonts.rs:6:1
[INFO] [stdout]      |
[INFO] [stdout] 6    | / lazy_static!{
[INFO] [stdout] 7    | |     pub static ref GLYPH_WIDTHS: HashMap<Font, HashMap<char, f64>> = {
[INFO] [stdout] 8    | |         let mut TimesRoman_widths: HashMap<char, f64> = HashMap::new();
[INFO] [stdout] 9    | |         TimesRoman_widths.insert('A', 0.72);
[INFO] [stdout] ...    |
[INFO] [stdout] 4023 | |     };
[INFO] [stdout] 4024 | | }
[INFO] [stdout]      | |_^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]      = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9932a189a63c77422cb8cfb83fd0c7e3b98a1b5df1a17db6ad95d538d7c56b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9932a189a63c77422cb8cfb83fd0c7e3b98a1b5df1a17db6ad95d538d7c56b51", kill_on_drop: false }`
[INFO] [stdout] 9932a189a63c77422cb8cfb83fd0c7e3b98a1b5df1a17db6ad95d538d7c56b51
[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=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67049b50ec6b970a5012e9aae9f6e707e402fa7d7e47a31af9f1120b41aa7f7d
[INFO] running `Command { std: "docker" "start" "-a" "67049b50ec6b970a5012e9aae9f6e707e402fa7d7e47a31af9f1120b41aa7f7d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]     --> src/fonts.rs:6:1
[INFO] [stderr]      |
[INFO] [stderr] 6    | / lazy_static!{
[INFO] [stderr] 7    | |     pub static ref GLYPH_WIDTHS: HashMap<Font, HashMap<char, f64>> = {
[INFO] [stderr] 8    | |         let mut TimesRoman_widths: HashMap<char, f64> = HashMap::new();
[INFO] [stderr] 9    | |         TimesRoman_widths.insert('A', 0.72);
[INFO] [stderr] ...    |
[INFO] [stderr] 4023 | |     };
[INFO] [stderr] 4024 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]      = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `pdfpdf` (lib) generated 1 warning
[INFO] [stderr] warning: `pdfpdf` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pdfpdf-403e916dfdcb5998)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test graphicsstate::test_matrix_mul_a ... ok
[INFO] [stdout] test graphicsstate::test_matrix_mul_c ... ok
[INFO] [stdout] test graphicsstate::test_matrix_mul_b ... ok
[INFO] [stderr]    Doc-tests pdfpdf
[INFO] [stdout] test graphicsstate::test_matrix_mul_d ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/graphicsstate.rs - graphicsstate::Color::gray (line 64) ... ok
[INFO] [stdout] test src/graphicsstate.rs - graphicsstate::Color::rgb (line 45) ... ok
[INFO] [stdout] test src/graphicsstate.rs - graphicsstate::Matrix (line 87) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/graphicsstate.rs - graphicsstate::Matrix (line 87) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/graphicsstate.rs:14:26
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55cfdc7932fa - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x55cfdc7932fa - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55cfdc7932fa - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x55cfdc7932fa - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55cfdc7b169e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x55cfdc791425 - std::io::Write::write_fmt::h4bc1f301cb9e9cce
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x55cfdc7930c5 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x55cfdc7930c5 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x55cfdc79471f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x55cfdc79445b - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:290:9
[INFO] [stdout]   10:     0x55cfdc794cc8 - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:692:13
[INFO] [stdout]   11:     0x55cfdc794bc9 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   12:     0x55cfdc793766 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x55cfdc7948d2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   14:     0x55cfdc740ef3 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   15:     0x55cfdc741343 - core::result::unwrap_failed::hdff5465d74574b44
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:1750:5
[INFO] [stdout]   16:     0x55cfdc74cadd - core::result::Result<T,E>::unwrap::ha57db3923209bff0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:1090:23
[INFO] [stdout]   17:     0x55cfdc743134 - rust_out::main::_doctest_main_src_graphicsstate_rs_87_0::h1da2939a0d49a3d3
[INFO] [stdout]   18:     0x55cfdc742f96 - rust_out::main::h045d0fd74ed7290e
[INFO] [stdout]   19:     0x55cfdc741863 - core::ops::function::FnOnce::call_once::h5b89dea722ea21ad
[INFO] [stdout]   20:     0x55cfdc7415a9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc178e4cfacf1803d
[INFO] [stdout]   21:     0x55cfdc7415f9 - std::rt::lang_start::{{closure}}::he8c5d60628d06093
[INFO] [stdout]   22:     0x55cfdc78f2ac - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6efcd3bec896f2c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   23:     0x55cfdc78f2ac - std::panicking::try::do_call::hce04e543bb1f4cbb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   24:     0x55cfdc78f2ac - std::panicking::try::h3342dd4e1f680968
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   25:     0x55cfdc78f2ac - std::panic::catch_unwind::h148ce1e59ac0cee7
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   26:     0x55cfdc78f2ac - std::rt::lang_start_internal::{{closure}}::h25f9dda2057a67fe
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x55cfdc78f2ac - std::panicking::try::do_call::h7caaaeaf9401650b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   28:     0x55cfdc78f2ac - std::panicking::try::he7d15285746cbbc2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   29:     0x55cfdc78f2ac - std::panic::catch_unwind::h89fb4f50c0301fe0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   30:     0x55cfdc78f2ac - std::rt::lang_start_internal::h078acd489417d3c1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x55cfdc7415d7 - std::rt::lang_start::h335d6166ecad8ac7
[INFO] [stdout]   32:     0x55cfdc743185 - main
[INFO] [stdout]   33:     0x7f82b4e65d90 - <unknown>
[INFO] [stdout]   34:     0x7f82b4e65e40 - __libc_start_main
[INFO] [stdout]   35:     0x55cfdc7414d5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'Failed to write to file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/lib.rs:11:6
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55d60fed696a - std::backtrace_rs::backtrace::libunwind::trace::ha9053a9a07ca49cb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x55d60fed696a - std::backtrace_rs::backtrace::trace_unsynchronized::h9c2852a457ad564e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55d60fed696a - std::sys_common::backtrace::_print_fmt::h457936fbfaa0070f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:     0x55d60fed696a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5779d7bf7f70cb0c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55d60fef467e - core::fmt::write::h5a4baaff1bcd3eb5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/fmt/mod.rs:1232:17
[INFO] [stdout]    5:     0x55d60fed4a95 - std::io::Write::write_fmt::h4bc1f301cb9e9cce
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/io/mod.rs:1684:15
[INFO] [stdout]    6:     0x55d60fed6735 - std::sys_common::backtrace::_print::h5fcdc36060f177e8
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:     0x55d60fed6735 - std::sys_common::backtrace::print::h54ca9458b876c8bf
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:     0x55d60fed7d8f - std::panicking::default_hook::{{closure}}::hbe471161c7664ed6
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:271:22
[INFO] [stdout]    9:     0x55d60fed7acb - std::panicking::default_hook::ha3500da57aa4ac4f
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:290:9
[INFO] [stdout]   10:     0x55d60fed8338 - std::panicking::rust_panic_with_hook::h50c09d000dc561d2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:692:13
[INFO] [stdout]   11:     0x55d60fed8239 - std::panicking::begin_panic_handler::{{closure}}::h9e2b2176e00e0d9c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:583:13
[INFO] [stdout]   12:     0x55d60fed6dd6 - std::sys_common::backtrace::__rust_end_short_backtrace::h5739b8e512c09d02
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/sys_common/backtrace.rs:150:18
[INFO] [stdout]   13:     0x55d60fed7f42 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:579:5
[INFO] [stdout]   14:     0x55d60fe83ef3 - core::panicking::panic_fmt::hf33a1475b4dc5c3e
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/panicking.rs:64:14
[INFO] [stdout]   15:     0x55d60fe84343 - core::result::unwrap_failed::hdff5465d74574b44
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:1750:5
[INFO] [stdout]   16:     0x55d60fea8a0f - core::result::Result<T,E>::expect::hc1369adc37a8a0b5
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/result.rs:1047:23
[INFO] [stdout]   17:     0x55d60fe8743b - rust_out::main::_doctest_main_src_lib_rs_6_0::h1d217350e038fd80
[INFO] [stdout]   18:     0x55d60fe87306 - rust_out::main::h045d0fd74ed7290e
[INFO] [stdout]   19:     0x55d60fe84713 - core::ops::function::FnOnce::call_once::h5b89dea722ea21ad
[INFO] [stdout]   20:     0x55d60fe845a9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hc178e4cfacf1803d
[INFO] [stdout]   21:     0x55d60fe845f9 - std::rt::lang_start::{{closure}}::he8c5d60628d06093
[INFO] [stdout]   22:     0x55d60fed291c - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6efcd3bec896f2c
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/ops/function.rs:287:13
[INFO] [stdout]   23:     0x55d60fed291c - std::panicking::try::do_call::hce04e543bb1f4cbb
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   24:     0x55d60fed291c - std::panicking::try::h3342dd4e1f680968
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   25:     0x55d60fed291c - std::panic::catch_unwind::h148ce1e59ac0cee7
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   26:     0x55d60fed291c - std::rt::lang_start_internal::{{closure}}::h25f9dda2057a67fe
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:48
[INFO] [stdout]   27:     0x55d60fed291c - std::panicking::try::do_call::h7caaaeaf9401650b
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:487:40
[INFO] [stdout]   28:     0x55d60fed291c - std::panicking::try::he7d15285746cbbc2
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panicking.rs:451:19
[INFO] [stdout]   29:     0x55d60fed291c - std::panic::catch_unwind::h89fb4f50c0301fe0
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/panic.rs:140:14
[INFO] [stdout]   30:     0x55d60fed291c - std::rt::lang_start_internal::h078acd489417d3c1
[INFO] [stdout]                                at /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/std/src/rt.rs:148:20
[INFO] [stdout]   31:     0x55d60fe845d7 - std::rt::lang_start::h335d6166ecad8ac7
[INFO] [stdout]   32:     0x55d60fe87485 - main
[INFO] [stdout]   33:     0x7fdf77bd2d90 - <unknown>
[INFO] [stdout]   34:     0x7fdf77bd2e40 - __libc_start_main
[INFO] [stdout]   35:     0x55d60fe844d5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/graphicsstate.rs - graphicsstate::Matrix (line 87)
[INFO] [stdout]     src/lib.rs - (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67049b50ec6b970a5012e9aae9f6e707e402fa7d7e47a31af9f1120b41aa7f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67049b50ec6b970a5012e9aae9f6e707e402fa7d7e47a31af9f1120b41aa7f7d", kill_on_drop: false }`
[INFO] [stdout] 67049b50ec6b970a5012e9aae9f6e707e402fa7d7e47a31af9f1120b41aa7f7d
