[INFO] cloning repository https://github.com/araffin/rust-arduino-serial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/araffin/rust-arduino-serial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faraffin%2Frust-arduino-serial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faraffin%2Frust-arduino-serial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c91f5146beb90ed14c7103fc8f07e5bddd3414d
[INFO] testing araffin/rust-arduino-serial against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faraffin%2Frust-arduino-serial" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/araffin/rust-arduino-serial on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/araffin/rust-arduino-serial
[INFO] finished tweaking git repo https://github.com/araffin/rust-arduino-serial
[INFO] tweaked toml for git repo https://github.com/araffin/rust-arduino-serial written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/araffin/rust-arduino-serial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial-core v0.4.0
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded std-semaphore v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c344fa70b4cacbebed814812448aea6f2b30042cd49b14b7a484b5217751571
[INFO] running `Command { std: "docker" "start" "-a" "6c344fa70b4cacbebed814812448aea6f2b30042cd49b14b7a484b5217751571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c344fa70b4cacbebed814812448aea6f2b30042cd49b14b7a484b5217751571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c344fa70b4cacbebed814812448aea6f2b30042cd49b14b7a484b5217751571", kill_on_drop: false }`
[INFO] [stdout] 6c344fa70b4cacbebed814812448aea6f2b30042cd49b14b7a484b5217751571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7959afa0981ee8a3b4f75bcea31063a95340ce3ea8f786008374f3b3699e514
[INFO] running `Command { std: "docker" "start" "-a" "e7959afa0981ee8a3b4f75bcea31063a95340ce3ea8f786008374f3b3699e514", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling std-semaphore v0.1.0
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling robust-arduino-serial v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "e7959afa0981ee8a3b4f75bcea31063a95340ce3ea8f786008374f3b3699e514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7959afa0981ee8a3b4f75bcea31063a95340ce3ea8f786008374f3b3699e514", kill_on_drop: false }`
[INFO] [stdout] e7959afa0981ee8a3b4f75bcea31063a95340ce3ea8f786008374f3b3699e514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b40092251c93c41d33b5b004cf2e47fb866a9024348417cd10587a1522f44902
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b40092251c93c41d33b5b004cf2e47fb866a9024348417cd10587a1522f44902", kill_on_drop: false }`
[INFO] [stderr]    Compiling robust-arduino-serial v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "b40092251c93c41d33b5b004cf2e47fb866a9024348417cd10587a1522f44902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40092251c93c41d33b5b004cf2e47fb866a9024348417cd10587a1522f44902", kill_on_drop: false }`
[INFO] [stdout] b40092251c93c41d33b5b004cf2e47fb866a9024348417cd10587a1522f44902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a9c47c51e9823ab3999aa6bd3a6ebd4c333cf0afe2644c5b1c90bcdcd09107c
[INFO] running `Command { std: "docker" "start" "-a" "9a9c47c51e9823ab3999aa6bd3a6ebd4c333cf0afe2644c5b1c90bcdcd09107c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/robust_arduino_serial-6a3e54a64a8b5594
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests robust-arduino-serial
[INFO] [stdout] test tests::read_write_orders ... ok
[INFO] [stdout] test tests::test_order_conversion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - write_i32 (line 241) ... ok
[INFO] [stdout] test src/lib.rs - Order (line 57) ... ok
[INFO] [stdout] test src/lib.rs - write_i16 (line 216) ... ok
[INFO] [stdout] test src/lib.rs - convert_i8_to_order (line 30) ... ok
[INFO] [stdout] test src/lib.rs - read_i32 (line 145) ... ok
[INFO] [stdout] test src/lib.rs - read_i16 (line 113) ... ok
[INFO] [stdout] test src/lib.rs - read_i8 (line 94) ... ok
[INFO] [stdout] test src/lib.rs - write_order (line 178) ... ok
[INFO] [stdout] test src/lib.rs - read_order (line 75) ... ok
[INFO] [stdout] test src/lib.rs - write_i8 (line 196) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9a9c47c51e9823ab3999aa6bd3a6ebd4c333cf0afe2644c5b1c90bcdcd09107c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9c47c51e9823ab3999aa6bd3a6ebd4c333cf0afe2644c5b1c90bcdcd09107c", kill_on_drop: false }`
[INFO] [stdout] 9a9c47c51e9823ab3999aa6bd3a6ebd4c333cf0afe2644c5b1c90bcdcd09107c