[INFO] fetching crate microbit-text 1.0.0...
[INFO] testing microbit-text-1.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate microbit-text 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate microbit-text 1.0.0
[INFO] finished tweaking crates.io crate microbit-text 1.0.0
[INFO] tweaked toml for crates.io crate microbit-text 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate microbit-text 1.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-led-matrix v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6064cc803ba3e2c9e812505b165d9f99f1415b64e7700c8fff602f9a7374b79f
[INFO] running `Command { std: "docker" "start" "-a" "6064cc803ba3e2c9e812505b165d9f99f1415b64e7700c8fff602f9a7374b79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6064cc803ba3e2c9e812505b165d9f99f1415b64e7700c8fff602f9a7374b79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6064cc803ba3e2c9e812505b165d9f99f1415b64e7700c8fff602f9a7374b79f", kill_on_drop: false }`
[INFO] [stdout] 6064cc803ba3e2c9e812505b165d9f99f1415b64e7700c8fff602f9a7374b79f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f43a834e2a7d5d848c78f94a480ea99dd208de5a87d4af88de28903cb860efe
[INFO] running `Command { std: "docker" "start" "-a" "9f43a834e2a7d5d848c78f94a480ea99dd208de5a87d4af88de28903cb860efe", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-led-matrix v1.0.2
[INFO] [stderr]    Compiling microbit-text v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "9f43a834e2a7d5d848c78f94a480ea99dd208de5a87d4af88de28903cb860efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f43a834e2a7d5d848c78f94a480ea99dd208de5a87d4af88de28903cb860efe", kill_on_drop: false }`
[INFO] [stdout] 9f43a834e2a7d5d848c78f94a480ea99dd208de5a87d4af88de28903cb860efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a48ea0eb9306612dac730028c663f8c5b7c59a4e47ac59e1305d795f48f1f405
[INFO] running `Command { std: "docker" "start" "-a" "a48ea0eb9306612dac730028c663f8c5b7c59a4e47ac59e1305d795f48f1f405", kill_on_drop: false }`
[INFO] [stderr]    Compiling microbit-text v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "a48ea0eb9306612dac730028c663f8c5b7c59a4e47ac59e1305d795f48f1f405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48ea0eb9306612dac730028c663f8c5b7c59a4e47ac59e1305d795f48f1f405", kill_on_drop: false }`
[INFO] [stdout] a48ea0eb9306612dac730028c663f8c5b7c59a4e47ac59e1305d795f48f1f405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f162bed94a2267e51face5199f2d3f7f240e9f969a744955a80728571e3f05e
[INFO] running `Command { std: "docker" "start" "-a" "7f162bed94a2267e51face5199f2d3f7f240e9f969a744955a80728571e3f05e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/microbit_text-e4a8ab9347ad0ce1)
[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 microbit_text
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/scrolling_statics.rs - scrolling_statics (line 8) ... ignored
[INFO] [stdout] test src/scrolling_text.rs - scrolling_text (line 5) ... ignored
[INFO] [stdout] test src/image.rs - image::BitImage::new (line 28) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/image.rs - image::BitImage::new (line 28) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `BitImage` in this scope
[INFO] [stdout]  --> src/image.rs:29:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | const HEART: BitImage = BitImage::new(&[
[INFO] [stdout]   |              ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use microbit_text::image::BitImage;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BitImage`
[INFO] [stdout]  --> src/image.rs:29:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | const HEART: BitImage = BitImage::new(&[
[INFO] [stdout]   |                         ^^^^^^^^ use of undeclared type `BitImage`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use microbit_text::image::BitImage;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/image.rs - image::BitImage::new (line 28)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7f162bed94a2267e51face5199f2d3f7f240e9f969a744955a80728571e3f05e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f162bed94a2267e51face5199f2d3f7f240e9f969a744955a80728571e3f05e", kill_on_drop: false }`
[INFO] [stdout] 7f162bed94a2267e51face5199f2d3f7f240e9f969a744955a80728571e3f05e