[INFO] fetching crate racker-daemon 0.1.0...
[INFO] testing racker-daemon-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate racker-daemon 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate racker-daemon 0.1.0
[INFO] finished tweaking crates.io crate racker-daemon 0.1.0
[INFO] tweaked toml for crates.io crate racker-daemon 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate racker-daemon 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate racker-daemon 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7eb1ffe71a03a2c3ead92bd06049953efc4a11ddc8e9ee69ae9fbf08c42205b
[INFO] running `Command { std: "docker" "start" "-a" "b7eb1ffe71a03a2c3ead92bd06049953efc4a11ddc8e9ee69ae9fbf08c42205b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7eb1ffe71a03a2c3ead92bd06049953efc4a11ddc8e9ee69ae9fbf08c42205b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7eb1ffe71a03a2c3ead92bd06049953efc4a11ddc8e9ee69ae9fbf08c42205b", kill_on_drop: false }`
[INFO] [stdout] b7eb1ffe71a03a2c3ead92bd06049953efc4a11ddc8e9ee69ae9fbf08c42205b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7838b36409f13935f57a0213f9bd82738460d5179417434f048f64968475c128
[INFO] running `Command { std: "docker" "start" "-a" "7838b36409f13935f57a0213f9bd82738460d5179417434f048f64968475c128", kill_on_drop: false }`
[INFO] [stderr]    Compiling racker-daemon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let config = config::RackerConfig::new();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config_file` is never read
[INFO] [stdout]  --> src/config.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct RackerConfig {
[INFO] [stdout]   |                   ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     config_file: Option<PathBuf>,
[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 0.62s
[INFO] running `Command { std: "docker" "inspect" "7838b36409f13935f57a0213f9bd82738460d5179417434f048f64968475c128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7838b36409f13935f57a0213f9bd82738460d5179417434f048f64968475c128", kill_on_drop: false }`
[INFO] [stdout] 7838b36409f13935f57a0213f9bd82738460d5179417434f048f64968475c128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63fa85587581f8117d1f2e5dc3d25f8bd415bc9db1e7d683db90a6a3ba25b100
[INFO] running `Command { std: "docker" "start" "-a" "63fa85587581f8117d1f2e5dc3d25f8bd415bc9db1e7d683db90a6a3ba25b100", kill_on_drop: false }`
[INFO] [stderr]    Compiling racker-daemon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let config = config::RackerConfig::new();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config_file` is never read
[INFO] [stdout]  --> src/config.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct RackerConfig {
[INFO] [stdout]   |                   ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     config_file: Option<PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "63fa85587581f8117d1f2e5dc3d25f8bd415bc9db1e7d683db90a6a3ba25b100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fa85587581f8117d1f2e5dc3d25f8bd415bc9db1e7d683db90a6a3ba25b100", kill_on_drop: false }`
[INFO] [stdout] 63fa85587581f8117d1f2e5dc3d25f8bd415bc9db1e7d683db90a6a3ba25b100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18668887ec98e04526cebbffd6cc24e2b646ad321adb22f82a486208a8c42b49
[INFO] running `Command { std: "docker" "start" "-a" "18668887ec98e04526cebbffd6cc24e2b646ad321adb22f82a486208a8c42b49", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let config = config::RackerConfig::new();
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `config_file` is never read
[INFO] [stderr]  --> src/config.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub(crate) struct RackerConfig {
[INFO] [stderr]   |                   ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 6 |     config_file: Option<PathBuf>,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `racker-daemon` (bin "racker-daemon" test) generated 2 warnings (run `cargo fix --bin "racker-daemon" -p racker-daemon --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/racker_daemon-aa31f4e43f697253)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18668887ec98e04526cebbffd6cc24e2b646ad321adb22f82a486208a8c42b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18668887ec98e04526cebbffd6cc24e2b646ad321adb22f82a486208a8c42b49", kill_on_drop: false }`
[INFO] [stdout] 18668887ec98e04526cebbffd6cc24e2b646ad321adb22f82a486208a8c42b49