[INFO] cloning repository https://github.com/yjl9903/RoboticArm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yjl9903/RoboticArm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjl9903%2FRoboticArm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjl9903%2FRoboticArm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f47899ffc9c635b94ae74465d8c02b32e722f6d
[INFO] testing yjl9903/RoboticArm against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjl9903%2FRoboticArm" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yjl9903/RoboticArm on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yjl9903/RoboticArm
[INFO] finished tweaking git repo https://github.com/yjl9903/RoboticArm
[INFO] tweaked toml for git repo https://github.com/yjl9903/RoboticArm written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yjl9903/RoboticArm 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" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.0.0
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 716374753e9a7bc0a50a326a9af88b6128772fb8c320aeb06e52063c4fe02739
[INFO] running `Command { std: "docker" "start" "-a" "716374753e9a7bc0a50a326a9af88b6128772fb8c320aeb06e52063c4fe02739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "716374753e9a7bc0a50a326a9af88b6128772fb8c320aeb06e52063c4fe02739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "716374753e9a7bc0a50a326a9af88b6128772fb8c320aeb06e52063c4fe02739", kill_on_drop: false }`
[INFO] [stdout] 716374753e9a7bc0a50a326a9af88b6128772fb8c320aeb06e52063c4fe02739
[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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 332e5a6e3b8e7effb1b482c3f9fcc35204f0e2ae70e3fa0a20e9e3d4ba544712
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[INFO] [stderr]    Compiling actix-web v3.3.2
[INFO] [stderr]    Compiling actix-cors v0.5.3
[INFO] [stderr]    Compiling RoboticArm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Tm`
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use time::{Tm, now};
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let mut arm = web::Data::new(Mutex::new(RoboticArm::new(port)));
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `RoboticArm` (bin "RoboticArm"); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/552a959051cebf8f88a8f558399baf733bec9ce0/bin/rustc --crate-name RoboticArm --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=e203b85795b9b413 -C extra-filename=-83b2df1088f019ed --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern actix_cors=/opt/rustwide/target/debug/deps/libactix_cors-15127f1d4abb58a7.rlib --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-2935ad33c80c5786.rlib --extern json=/opt/rustwide/target/debug/deps/libjson-fa93e6d10feafc22.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-a51378ef71aba946.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f26f8bd0a35d4b76.rlib --extern serialport=/opt/rustwide/target/debug/deps/libserialport-5442b413b3c61600.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-ba5419ecbd12f3c9.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/brotli-sys-e39d996c2182c38d/out -L native=/usr/lib/x86_64-linux-gnu` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "332e5a6e3b8e7effb1b482c3f9fcc35204f0e2ae70e3fa0a20e9e3d4ba544712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "332e5a6e3b8e7effb1b482c3f9fcc35204f0e2ae70e3fa0a20e9e3d4ba544712", kill_on_drop: false }`
[INFO] [stdout] 332e5a6e3b8e7effb1b482c3f9fcc35204f0e2ae70e3fa0a20e9e3d4ba544712