[INFO] cloning repository https://github.com/dave20874/cobs_crc32
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dave20874/cobs_crc32" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdave20874%2Fcobs_crc32", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdave20874%2Fcobs_crc32'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f76b3a39f24f9ec1461a7f52893b8e5aa7d5dd97
[INFO] checking dave20874/cobs_crc32 against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdave20874%2Fcobs_crc32" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dave20874/cobs_crc32
[INFO] finished tweaking git repo https://github.com/dave20874/cobs_crc32
[INFO] tweaked toml for git repo https://github.com/dave20874/cobs_crc32 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dave20874/cobs_crc32 on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dave20874/cobs_crc32 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18ef620f8375b06a55645956ece2d3b2603da3e5452279ee7822a44a278d0768
[INFO] running `Command { std: "docker" "start" "-a" "18ef620f8375b06a55645956ece2d3b2603da3e5452279ee7822a44a278d0768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18ef620f8375b06a55645956ece2d3b2603da3e5452279ee7822a44a278d0768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ef620f8375b06a55645956ece2d3b2603da3e5452279ee7822a44a278d0768", kill_on_drop: false }`
[INFO] [stdout] 18ef620f8375b06a55645956ece2d3b2603da3e5452279ee7822a44a278d0768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31339b876388881fbd4a3555897972ef0a1c5fe3e9cf8c7108320008de7e4261
[INFO] running `Command { std: "docker" "start" "-a" "31339b876388881fbd4a3555897972ef0a1c5fe3e9cf8c7108320008de7e4261", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking cobs-crc32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]   --> src/cobs_crc32.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use byteorder::{BigEndian, ByteOrder, LittleEndian};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pad`
[INFO] [stdout]   --> src/cobs_crc32.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let pad = [0; 4];
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_pad`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cobs_crc32` is never used
[INFO] [stdout]   --> src/cobs_crc32.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn cobs_crc32(crc32: u32) -> ([u8; 2], u32)
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "31339b876388881fbd4a3555897972ef0a1c5fe3e9cf8c7108320008de7e4261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31339b876388881fbd4a3555897972ef0a1c5fe3e9cf8c7108320008de7e4261", kill_on_drop: false }`
[INFO] [stdout] 31339b876388881fbd4a3555897972ef0a1c5fe3e9cf8c7108320008de7e4261
