[INFO] cloning repository https://github.com/kstrckr/serial-sensor-receiver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kstrckr/serial-sensor-receiver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkstrckr%2Fserial-sensor-receiver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkstrckr%2Fserial-sensor-receiver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a106f96985d5a851bae5a6fb47863cc904983063
[INFO] testing kstrckr/serial-sensor-receiver against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkstrckr%2Fserial-sensor-receiver" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kstrckr/serial-sensor-receiver on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kstrckr/serial-sensor-receiver
[INFO] finished tweaking git repo https://github.com/kstrckr/serial-sensor-receiver
[INFO] tweaked toml for git repo https://github.com/kstrckr/serial-sensor-receiver written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kstrckr/serial-sensor-receiver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7af710838be45dcdb70250d55efcf80e343f33259844672c1d64ff1e31c493e6
[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" "7af710838be45dcdb70250d55efcf80e343f33259844672c1d64ff1e31c493e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7af710838be45dcdb70250d55efcf80e343f33259844672c1d64ff1e31c493e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af710838be45dcdb70250d55efcf80e343f33259844672c1d64ff1e31c493e6", kill_on_drop: false }`
[INFO] [stdout] 7af710838be45dcdb70250d55efcf80e343f33259844672c1d64ff1e31c493e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a75b37a8ac93fdfd6d1c28c9e38a96d69e464b9e3466ac45f5d4d5c906cc1e1
[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" "0a75b37a8ac93fdfd6d1c28c9e38a96d69e464b9e3466ac45f5d4d5c906cc1e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling circle_buff v0.1.0 (/opt/rustwide/workdir/circle_buff)
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v4.0.1
[INFO] [stderr]    Compiling serial-receiver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "0a75b37a8ac93fdfd6d1c28c9e38a96d69e464b9e3466ac45f5d4d5c906cc1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a75b37a8ac93fdfd6d1c28c9e38a96d69e464b9e3466ac45f5d4d5c906cc1e1", kill_on_drop: false }`
[INFO] [stdout] 0a75b37a8ac93fdfd6d1c28c9e38a96d69e464b9e3466ac45f5d4d5c906cc1e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7667e9f7bf4e57c93fbdaf4e4fa094da05f4f0a545e90e3085d5629e09bce3c5
[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" "7667e9f7bf4e57c93fbdaf4e4fa094da05f4f0a545e90e3085d5629e09bce3c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-receiver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: can't compare `[u8; 16]` with `[{integer}; 14]`
[INFO] [stdout]   --> src/main.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     assert_eq!(data, [0, 0, 10, 10, 0, 0, 11, 11, 0, 0, 12, 12, 1, 1]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `[u8; 16] == [{integer}; 14]`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `PartialEq<[{integer}; 14]>` is not implemented for `[u8; 16]`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serial-receiver`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7667e9f7bf4e57c93fbdaf4e4fa094da05f4f0a545e90e3085d5629e09bce3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7667e9f7bf4e57c93fbdaf4e4fa094da05f4f0a545e90e3085d5629e09bce3c5", kill_on_drop: false }`
[INFO] [stdout] 7667e9f7bf4e57c93fbdaf4e4fa094da05f4f0a545e90e3085d5629e09bce3c5