[INFO] cloning repository https://github.com/onehr/dbrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onehr/dbrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonehr%2Fdbrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonehr%2Fdbrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e75e2803fb3b3449f593611195011a8dd6297eee
[INFO] checking onehr/dbrs against master#1f81f906893d166d05fb4839f169983f2b564cc7 for pr-135167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonehr%2Fdbrs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onehr/dbrs on toolchain 1f81f906893d166d05fb4839f169983f2b564cc7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onehr/dbrs
[INFO] finished tweaking git repo https://github.com/onehr/dbrs
[INFO] tweaked toml for git repo https://github.com/onehr/dbrs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/onehr/dbrs 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" "+1f81f906893d166d05fb4839f169983f2b564cc7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linenoise-rust v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 530a3e05b6b2697b8695e6fa00e692b90144ffc35b28a46ec085fe52e86a8e7f
[INFO] running `Command { std: "docker" "start" "-a" "530a3e05b6b2697b8695e6fa00e692b90144ffc35b28a46ec085fe52e86a8e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "530a3e05b6b2697b8695e6fa00e692b90144ffc35b28a46ec085fe52e86a8e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530a3e05b6b2697b8695e6fa00e692b90144ffc35b28a46ec085fe52e86a8e7f", kill_on_drop: false }`
[INFO] [stdout] 530a3e05b6b2697b8695e6fa00e692b90144ffc35b28a46ec085fe52e86a8e7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baad6849f8d71bf8187dc5a22dcb307613279454c320f4e83dab81b723004513
[INFO] running `Command { std: "docker" "start" "-a" "baad6849f8d71bf8187dc5a22dcb307613279454c320f4e83dab81b723004513", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling linenoise-rust v0.2.1
[INFO] [stderr]     Checking dbrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/debugger.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut ret: Vec<&str>;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/debugger.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut ret: Vec<&str>;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `m_prog_name` is never read
[INFO] [stdout]  --> src/debugger.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Debugger {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 5 |     pub m_prog_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `m_prog_name` is never read
[INFO] [stdout]  --> src/debugger.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Debugger {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 5 |     pub m_prog_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "baad6849f8d71bf8187dc5a22dcb307613279454c320f4e83dab81b723004513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baad6849f8d71bf8187dc5a22dcb307613279454c320f4e83dab81b723004513", kill_on_drop: false }`
[INFO] [stdout] baad6849f8d71bf8187dc5a22dcb307613279454c320f4e83dab81b723004513