[INFO] fetching crate cargo-pi 0.1.0...
[INFO] testing cargo-pi-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cargo-pi 0.1.0 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate cargo-pi 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-pi 0.1.0
[INFO] finished tweaking crates.io crate cargo-pi 0.1.0
[INFO] tweaked toml for crates.io crate cargo-pi 0.1.0 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate crates.io crate cargo-pi 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15fa20923a6a973e3f084102d995b2367811a1a6348e333c3c92afb86db1d773
[INFO] running `Command { std: "docker" "start" "-a" "15fa20923a6a973e3f084102d995b2367811a1a6348e333c3c92afb86db1d773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15fa20923a6a973e3f084102d995b2367811a1a6348e333c3c92afb86db1d773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15fa20923a6a973e3f084102d995b2367811a1a6348e333c3c92afb86db1d773", kill_on_drop: false }`
[INFO] [stdout] 15fa20923a6a973e3f084102d995b2367811a1a6348e333c3c92afb86db1d773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb2139e1fb3a82c1e9c916080b85b08c9c079b497eb7b96b3444da19d531223
[INFO] running `Command { std: "docker" "start" "-a" "5fb2139e1fb3a82c1e9c916080b85b08c9c079b497eb7b96b3444da19d531223", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-pi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Pi`
[INFO] [stdout]  --> src/pi_manager.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Pi {
[INFO] [stdout]   |            ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/pi_manager.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new<S: AsRef<str>>(name: S, ip: Ipv4Addr, default_dir: Option<PathBuf>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "5fb2139e1fb3a82c1e9c916080b85b08c9c079b497eb7b96b3444da19d531223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb2139e1fb3a82c1e9c916080b85b08c9c079b497eb7b96b3444da19d531223", kill_on_drop: false }`
[INFO] [stdout] 5fb2139e1fb3a82c1e9c916080b85b08c9c079b497eb7b96b3444da19d531223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4ab7a3a6160bc4925613f689678f0fe11dd9a8f5391ed15abda7d8769f93609
[INFO] running `Command { std: "docker" "start" "-a" "c4ab7a3a6160bc4925613f689678f0fe11dd9a8f5391ed15abda7d8769f93609", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-pi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "c4ab7a3a6160bc4925613f689678f0fe11dd9a8f5391ed15abda7d8769f93609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ab7a3a6160bc4925613f689678f0fe11dd9a8f5391ed15abda7d8769f93609", kill_on_drop: false }`
[INFO] [stdout] c4ab7a3a6160bc4925613f689678f0fe11dd9a8f5391ed15abda7d8769f93609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 501cab9889d5ab5dc2428a566e4baf5db582dab3018bc3edef662b626d1a36b0
[INFO] running `Command { std: "docker" "start" "-a" "501cab9889d5ab5dc2428a566e4baf5db582dab3018bc3edef662b626d1a36b0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_pi-1374150c2c996f04)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test pi_manager::tests::test_new_pi ... ok
[INFO] [stdout] test pi_manager::tests::test_new_pi_with_default_dir ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "501cab9889d5ab5dc2428a566e4baf5db582dab3018bc3edef662b626d1a36b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501cab9889d5ab5dc2428a566e4baf5db582dab3018bc3edef662b626d1a36b0", kill_on_drop: false }`
[INFO] [stdout] 501cab9889d5ab5dc2428a566e4baf5db582dab3018bc3edef662b626d1a36b0