[INFO] fetching crate mahiwa_frontend_rust 0.1.1...
[INFO] testing mahiwa_frontend_rust-0.1.1 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate mahiwa_frontend_rust 0.1.1 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mahiwa_frontend_rust 0.1.1 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91c0ba2e46ca258a40ae5960c196842c69ece6e909b93599e876570666ee75a6
[INFO] running `Command { std: "docker" "start" "-a" "91c0ba2e46ca258a40ae5960c196842c69ece6e909b93599e876570666ee75a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91c0ba2e46ca258a40ae5960c196842c69ece6e909b93599e876570666ee75a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c0ba2e46ca258a40ae5960c196842c69ece6e909b93599e876570666ee75a6", kill_on_drop: false }`
[INFO] [stdout] 91c0ba2e46ca258a40ae5960c196842c69ece6e909b93599e876570666ee75a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 431943a17f8fe7acfa5d0941a11670675948ec869d000f050941fd52e9e08704
[INFO] running `Command { std: "docker" "start" "-a" "431943a17f8fe7acfa5d0941a11670675948ec869d000f050941fd52e9e08704", 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 0.15s
[INFO] running `Command { std: "docker" "inspect" "431943a17f8fe7acfa5d0941a11670675948ec869d000f050941fd52e9e08704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431943a17f8fe7acfa5d0941a11670675948ec869d000f050941fd52e9e08704", kill_on_drop: false }`
[INFO] [stdout] 431943a17f8fe7acfa5d0941a11670675948ec869d000f050941fd52e9e08704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 324e568b8fa3c6da58ae786a025831587102972a63f82a3904e7a0f5d3b1ce7c
[INFO] running `Command { std: "docker" "start" "-a" "324e568b8fa3c6da58ae786a025831587102972a63f82a3904e7a0f5d3b1ce7c", 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 0.35s
[INFO] running `Command { std: "docker" "inspect" "324e568b8fa3c6da58ae786a025831587102972a63f82a3904e7a0f5d3b1ce7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324e568b8fa3c6da58ae786a025831587102972a63f82a3904e7a0f5d3b1ce7c", kill_on_drop: false }`
[INFO] [stdout] 324e568b8fa3c6da58ae786a025831587102972a63f82a3904e7a0f5d3b1ce7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 446c69fa07ecae5df52ace9af73c1c9cd9b44becb1adbf6977cde50b911e34ca
[INFO] running `Command { std: "docker" "start" "-a" "446c69fa07ecae5df52ace9af73c1c9cd9b44becb1adbf6977cde50b911e34ca", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mahiwa_frontend_rust-c273fbb132b722a3)
[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/arduino.rs - arduino::delay (line 10) ... FAILED
[INFO] [stdout] test src/serial.rs - serial::print (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] ---- 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] 
[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 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "446c69fa07ecae5df52ace9af73c1c9cd9b44becb1adbf6977cde50b911e34ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446c69fa07ecae5df52ace9af73c1c9cd9b44becb1adbf6977cde50b911e34ca", kill_on_drop: false }`
[INFO] [stdout] 446c69fa07ecae5df52ace9af73c1c9cd9b44becb1adbf6977cde50b911e34ca
