[INFO] fetching crate mahiwa_frontend_rust 0.1.1...
[INFO] testing mahiwa_frontend_rust-0.1.1 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate mahiwa_frontend_rust 0.1.1 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mahiwa_frontend_rust 0.1.1 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bc6be6b5f59c9212887db8c325743f02e0784c39fa427b3352a8b2ceb31064b
[INFO] running `Command { std: "docker" "start" "-a" "5bc6be6b5f59c9212887db8c325743f02e0784c39fa427b3352a8b2ceb31064b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bc6be6b5f59c9212887db8c325743f02e0784c39fa427b3352a8b2ceb31064b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc6be6b5f59c9212887db8c325743f02e0784c39fa427b3352a8b2ceb31064b", kill_on_drop: false }`
[INFO] [stdout] 5bc6be6b5f59c9212887db8c325743f02e0784c39fa427b3352a8b2ceb31064b
[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=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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3fbf3e0d63d0e848af11efa521de4320e0720ad9a18b0f43485032f4bef8f13
[INFO] running `Command { std: "docker" "start" "-a" "f3fbf3e0d63d0e848af11efa521de4320e0720ad9a18b0f43485032f4bef8f13", 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 0.12s
[INFO] running `Command { std: "docker" "inspect" "f3fbf3e0d63d0e848af11efa521de4320e0720ad9a18b0f43485032f4bef8f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fbf3e0d63d0e848af11efa521de4320e0720ad9a18b0f43485032f4bef8f13", kill_on_drop: false }`
[INFO] [stdout] f3fbf3e0d63d0e848af11efa521de4320e0720ad9a18b0f43485032f4bef8f13
[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=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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23d75d591691464725338cab1657c7dc1f7a5598e6ae6d6985b1670c41dda5f1
[INFO] running `Command { std: "docker" "start" "-a" "23d75d591691464725338cab1657c7dc1f7a5598e6ae6d6985b1670c41dda5f1", 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" "23d75d591691464725338cab1657c7dc1f7a5598e6ae6d6985b1670c41dda5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d75d591691464725338cab1657c7dc1f7a5598e6ae6d6985b1670c41dda5f1", kill_on_drop: false }`
[INFO] [stdout] 23d75d591691464725338cab1657c7dc1f7a5598e6ae6d6985b1670c41dda5f1
[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=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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4db49e8f1a06dc7758536ece39ccced97b2f6799292182e74f5e39bac0c93b26
[INFO] running `Command { std: "docker" "start" "-a" "4db49e8f1a06dc7758536ece39ccced97b2f6799292182e74f5e39bac0c93b26", 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-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 0.45s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4db49e8f1a06dc7758536ece39ccced97b2f6799292182e74f5e39bac0c93b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db49e8f1a06dc7758536ece39ccced97b2f6799292182e74f5e39bac0c93b26", kill_on_drop: false }`
[INFO] [stdout] 4db49e8f1a06dc7758536ece39ccced97b2f6799292182e74f5e39bac0c93b26
