[INFO] cloning repository https://github.com/svet-b/rust_modbus_relay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/svet-b/rust_modbus_relay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvet-b%2Frust_modbus_relay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvet-b%2Frust_modbus_relay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07d206547eaebc555f6cddc00d711a7119ec155a
[INFO] checking svet-b/rust_modbus_relay against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvet-b%2Frust_modbus_relay" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/svet-b/rust_modbus_relay
[INFO] finished tweaking git repo https://github.com/svet-b/rust_modbus_relay
[INFO] tweaked toml for git repo https://github.com/svet-b/rust_modbus_relay written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/svet-b/rust_modbus_relay on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/svet-b/rust_modbus_relay 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" "+804fff1ae95da9d03bd44eee27f258020a575dab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking svet-b/rust_modbus_relay against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvet-b%2Frust_modbus_relay" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/svet-b/rust_modbus_relay
[INFO] finished tweaking git repo https://github.com/svet-b/rust_modbus_relay
[INFO] tweaked toml for git repo https://github.com/svet-b/rust_modbus_relay written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/svet-b/rust_modbus_relay on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/svet-b/rust_modbus_relay 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" "+804fff1ae95da9d03bd44eee27f258020a575dab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-modbus v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a72a326712eb1dd63450112528f91efa59ef11dee69c0d0da8784fbd0c2f27e
[INFO] running `Command { std: "docker" "start" "-a" "2a72a326712eb1dd63450112528f91efa59ef11dee69c0d0da8784fbd0c2f27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a72a326712eb1dd63450112528f91efa59ef11dee69c0d0da8784fbd0c2f27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a72a326712eb1dd63450112528f91efa59ef11dee69c0d0da8784fbd0c2f27e", kill_on_drop: false }`
[INFO] [stdout] 2a72a326712eb1dd63450112528f91efa59ef11dee69c0d0da8784fbd0c2f27e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df349f80248e6ff7e3126780e68baa1cfb733c8f372decacd2d4be1a10028b01
[INFO] running `Command { std: "docker" "start" "-a" "df349f80248e6ff7e3126780e68baa1cfb733c8f372decacd2d4be1a10028b01", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking mio-serial v5.0.1
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking tokio-serial v5.4.1
[INFO] [stderr]     Checking tokio-modbus v0.5.2
[INFO] [stderr]     Checking modbus_relay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "df349f80248e6ff7e3126780e68baa1cfb733c8f372decacd2d4be1a10028b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df349f80248e6ff7e3126780e68baa1cfb733c8f372decacd2d4be1a10028b01", kill_on_drop: false }`
[INFO] [stdout] df349f80248e6ff7e3126780e68baa1cfb733c8f372decacd2d4be1a10028b01