[INFO] cloning repository https://github.com/QuorumComp/uart-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/QuorumComp/uart-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuorumComp%2Fuart-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuorumComp%2Fuart-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93112f7dd8e6c63093aabe3fcd198f0e80d796c9
[INFO] checking QuorumComp/uart-server against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuorumComp%2Fuart-server" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/QuorumComp/uart-server on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/QuorumComp/uart-server
[INFO] finished tweaking git repo https://github.com/QuorumComp/uart-server
[INFO] tweaked toml for git repo https://github.com/QuorumComp/uart-server written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/QuorumComp/uart-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 9a84b6e62c9af8babed2644b2320d76490bc81872f0fafdce496fb6b7f74756f
[INFO] running `Command { std: "docker" "start" "-a" "9a84b6e62c9af8babed2644b2320d76490bc81872f0fafdce496fb6b7f74756f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a84b6e62c9af8babed2644b2320d76490bc81872f0fafdce496fb6b7f74756f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a84b6e62c9af8babed2644b2320d76490bc81872f0fafdce496fb6b7f74756f", kill_on_drop: false }`
[INFO] [stdout] 9a84b6e62c9af8babed2644b2320d76490bc81872f0fafdce496fb6b7f74756f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--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] 1ef21f4faf0eeaddce1d6138746e9bb748633c6f4ef88bdff5b017f3087c95e5
[INFO] running `Command { std: "docker" "start" "-a" "1ef21f4faf0eeaddce1d6138746e9bb748633c6f4ef88bdff5b017f3087c95e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling uart-server v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking serialport v4.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.01s
[INFO] running `Command { std: "docker" "inspect" "1ef21f4faf0eeaddce1d6138746e9bb748633c6f4ef88bdff5b017f3087c95e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef21f4faf0eeaddce1d6138746e9bb748633c6f4ef88bdff5b017f3087c95e5", kill_on_drop: false }`
[INFO] [stdout] 1ef21f4faf0eeaddce1d6138746e9bb748633c6f4ef88bdff5b017f3087c95e5