[INFO] fetching crate carbon-now 0.0.1...
[INFO] testing carbon-now-0.0.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate carbon-now 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate carbon-now 0.0.1
[INFO] finished tweaking crates.io crate carbon-now 0.0.1
[INFO] tweaked toml for crates.io crate carbon-now 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate carbon-now 0.0.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate carbon-now 0.0.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6a320da66595bc1a17662e5c7d0ffa54948909bdb167c02aaf1eb85233b0abf
[INFO] running `Command { std: "docker" "start" "-a" "c6a320da66595bc1a17662e5c7d0ffa54948909bdb167c02aaf1eb85233b0abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6a320da66595bc1a17662e5c7d0ffa54948909bdb167c02aaf1eb85233b0abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a320da66595bc1a17662e5c7d0ffa54948909bdb167c02aaf1eb85233b0abf", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a43d477b88ff1864a636644855674a8ea06e070b87b65fdaec9c9ad2b29981e
[INFO] running `Command { std: "docker" "start" "-a" "5a43d477b88ff1864a636644855674a8ea06e070b87b65fdaec9c9ad2b29981e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling carbon-now v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.35s
[INFO] running `Command { std: "docker" "inspect" "5a43d477b88ff1864a636644855674a8ea06e070b87b65fdaec9c9ad2b29981e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a43d477b88ff1864a636644855674a8ea06e070b87b65fdaec9c9ad2b29981e", kill_on_drop: false }`
[INFO] [stdout] 5a43d477b88ff1864a636644855674a8ea06e070b87b65fdaec9c9ad2b29981e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 210763fa38065c09a7c4ff55a9478a7070b7e21ce8fa1b357059006172f572d6
[INFO] running `Command { std: "docker" "start" "-a" "210763fa38065c09a7c4ff55a9478a7070b7e21ce8fa1b357059006172f572d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling carbon-now v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "210763fa38065c09a7c4ff55a9478a7070b7e21ce8fa1b357059006172f572d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210763fa38065c09a7c4ff55a9478a7070b7e21ce8fa1b357059006172f572d6", kill_on_drop: false }`
[INFO] [stdout] 210763fa38065c09a7c4ff55a9478a7070b7e21ce8fa1b357059006172f572d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4d536ee97828df77d658833bcc86deec37b48594887326f254203fbd2a49f78
[INFO] running `Command { std: "docker" "start" "-a" "c4d536ee97828df77d658833bcc86deec37b48594887326f254203fbd2a49f78", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/carbon_now-78ad54e7c6d14a85)
[INFO] [stderr]    Doc-tests carbon_now
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] error: couldn't read `src/../fonts/Hack-Regular.ttf`: No such file or directory (os error 2)
[INFO] [stdout]   --> src/lib.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | let font_data = include_bytes!("../fonts/Hack-Regular.ttf");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `carbon_now::util::svg_to_pixmap`, `carbon_now::util::write_png`
[INFO] [stdout]   --> src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     util::{svg_to_pixmap, write_png},
[INFO] [stdout]    |            ^^^^^^^^^^^^^  ^^^^^^^^^ no `write_png` in `util`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            no `svg_to_pixmap` in `util`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:18:71
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 18 | let face = Face::from_slice(font_data, 0).ok_or("failed to load font")?;
[INFO] [stdout]    |                                                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  7 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  8 | use carbon_now::{
[INFO] [stdout] ...
[INFO] [stdout] 37 | write_png(&pixmap, &mut file)?;
[INFO] [stdout] 38 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 31 | carbon.write_svg(code, &mut svg_bytes)?;
[INFO] [stdout]    |                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  7 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  8 | use carbon_now::{
[INFO] [stdout] ...
[INFO] [stdout] 37 | write_png(&pixmap, &mut file)?;
[INFO] [stdout] 38 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 32 | fs::write("output.svg", &svg_bytes)?;
[INFO] [stdout]    |                                    ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  7 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  8 | use carbon_now::{
[INFO] [stdout] ...
[INFO] [stdout] 37 | write_png(&pixmap, &mut file)?;
[INFO] [stdout] 38 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:36:42
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 36 | let mut file = File::create("output.png")?;
[INFO] [stdout]    |                                          ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  7 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  8 | use carbon_now::{
[INFO] [stdout] ...
[INFO] [stdout] 37 | write_png(&pixmap, &mut file)?;
[INFO] [stdout] 38 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.32s; merged doctests compilation took 0.12s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c4d536ee97828df77d658833bcc86deec37b48594887326f254203fbd2a49f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d536ee97828df77d658833bcc86deec37b48594887326f254203fbd2a49f78", kill_on_drop: false }`
[INFO] [stdout] c4d536ee97828df77d658833bcc86deec37b48594887326f254203fbd2a49f78
