[INFO] fetching crate mahiwa_frontend_rust 0.1.1...
[INFO] testing mahiwa_frontend_rust-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mahiwa_frontend_rust 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mahiwa_frontend_rust 0.1.1
[INFO] finished tweaking crates.io crate mahiwa_frontend_rust 0.1.1
[INFO] tweaked toml for crates.io crate mahiwa_frontend_rust 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mahiwa_frontend_rust 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 314868bc49c4bd41f657107c698cf8865885d2336048084b75cbe464d8fc767a
[INFO] running `Command { std: "docker" "start" "-a" "314868bc49c4bd41f657107c698cf8865885d2336048084b75cbe464d8fc767a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "314868bc49c4bd41f657107c698cf8865885d2336048084b75cbe464d8fc767a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314868bc49c4bd41f657107c698cf8865885d2336048084b75cbe464d8fc767a", kill_on_drop: false }`
[INFO] [stdout] 314868bc49c4bd41f657107c698cf8865885d2336048084b75cbe464d8fc767a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90ce92850389aa1d9a7e83cfffb8e1203630a8975c62579af49db99e8c9f76af
[INFO] running `Command { std: "docker" "start" "-a" "90ce92850389aa1d9a7e83cfffb8e1203630a8975c62579af49db99e8c9f76af", kill_on_drop: false }`
[INFO] [stderr]    Compiling mahiwa_frontend_rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "90ce92850389aa1d9a7e83cfffb8e1203630a8975c62579af49db99e8c9f76af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ce92850389aa1d9a7e83cfffb8e1203630a8975c62579af49db99e8c9f76af", kill_on_drop: false }`
[INFO] [stdout] 90ce92850389aa1d9a7e83cfffb8e1203630a8975c62579af49db99e8c9f76af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158bba18473053e63f0d7cc23f77cec2b537e3cfdaa724f31055ce00b5f99e7e
[INFO] running `Command { std: "docker" "start" "-a" "158bba18473053e63f0d7cc23f77cec2b537e3cfdaa724f31055ce00b5f99e7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mahiwa_frontend_rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "158bba18473053e63f0d7cc23f77cec2b537e3cfdaa724f31055ce00b5f99e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158bba18473053e63f0d7cc23f77cec2b537e3cfdaa724f31055ce00b5f99e7e", kill_on_drop: false }`
[INFO] [stdout] 158bba18473053e63f0d7cc23f77cec2b537e3cfdaa724f31055ce00b5f99e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8b816295b7c8fe990158066ef2eef4491e65c3793136babf068611862838cd1
[INFO] running `Command { std: "docker" "start" "-a" "d8b816295b7c8fe990158066ef2eef4491e65c3793136babf068611862838cd1", 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/mahiwa_frontend_rust-17f28445cf3c5f19)
[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 mahiwa_frontend_rust
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/serial.rs - serial::print (line 11) ... FAILED
[INFO] [stdout] test src/arduino.rs - arduino::delay (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/serial.rs - serial::print (line 11) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serial`
[INFO] [stdout]  --> src/serial.rs:12:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | serial::print("hello mahiwa");
[INFO] [stdout]   | ^^^^^^ use of unresolved module or unlinked crate `serial`
[INFO] [stdout]   |
[INFO] [stdout] help: to make use of source file src/serial.rs, use `mod serial` in this file to declare the module
[INFO] [stdout]   |
[INFO] [stdout] 2 + mod serial;
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use mahiwa_frontend_rust::serial;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/arduino.rs - arduino::delay (line 10) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `arduino`
[INFO] [stdout]  --> src/arduino.rs:11:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | arduino::delay(1000);
[INFO] [stdout]   | ^^^^^^^ use of unresolved module or unlinked crate `arduino`
[INFO] [stdout]   |
[INFO] [stdout] help: to make use of source file src/arduino.rs, use `mod arduino` in this file to declare the module
[INFO] [stdout]   |
[INFO] [stdout] 2 + mod arduino;
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use mahiwa_frontend_rust::arduino;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/arduino.rs - arduino::delay (line 10)
[INFO] [stdout]     src/serial.rs - serial::print (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d8b816295b7c8fe990158066ef2eef4491e65c3793136babf068611862838cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b816295b7c8fe990158066ef2eef4491e65c3793136babf068611862838cd1", kill_on_drop: false }`
[INFO] [stdout] d8b816295b7c8fe990158066ef2eef4491e65c3793136babf068611862838cd1