[INFO] fetching crate cargo-pi 0.1.0...
[INFO] testing cargo-pi-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cargo-pi 0.1.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate cargo-pi 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-99/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" "+beta-2021-09-08" "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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e122c5617cfd241b63ba1e524859e304156c061f30d6010e551945fec0663de
[INFO] running `Command { std: "docker" "start" "-a" "3e122c5617cfd241b63ba1e524859e304156c061f30d6010e551945fec0663de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e122c5617cfd241b63ba1e524859e304156c061f30d6010e551945fec0663de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e122c5617cfd241b63ba1e524859e304156c061f30d6010e551945fec0663de", kill_on_drop: false }`
[INFO] [stdout] 3e122c5617cfd241b63ba1e524859e304156c061f30d6010e551945fec0663de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 542997abc2ccc936001adae6cf48abd50913f99992cf0f10acee6bcd98b360d8
[INFO] running `Command { std: "docker" "start" "-a" "542997abc2ccc936001adae6cf48abd50913f99992cf0f10acee6bcd98b360d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.45s
[INFO] running `Command { std: "docker" "inspect" "542997abc2ccc936001adae6cf48abd50913f99992cf0f10acee6bcd98b360d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542997abc2ccc936001adae6cf48abd50913f99992cf0f10acee6bcd98b360d8", kill_on_drop: false }`
[INFO] [stdout] 542997abc2ccc936001adae6cf48abd50913f99992cf0f10acee6bcd98b360d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 687e1f5a956a62e5c5d1188471e283bdafdfbe9fa662589eca33bf86851f16d6
[INFO] running `Command { std: "docker" "start" "-a" "687e1f5a956a62e5c5d1188471e283bdafdfbe9fa662589eca33bf86851f16d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-pi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "687e1f5a956a62e5c5d1188471e283bdafdfbe9fa662589eca33bf86851f16d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687e1f5a956a62e5c5d1188471e283bdafdfbe9fa662589eca33bf86851f16d6", kill_on_drop: false }`
[INFO] [stdout] 687e1f5a956a62e5c5d1188471e283bdafdfbe9fa662589eca33bf86851f16d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85b1a11c25929c3daec767010ca6fa79739bd677a2ce78fc457cea170f9115ab
[INFO] running `Command { std: "docker" "start" "-a" "85b1a11c25929c3daec767010ca6fa79739bd677a2ce78fc457cea170f9115ab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_pi-9cf7b65b35606461)
[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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85b1a11c25929c3daec767010ca6fa79739bd677a2ce78fc457cea170f9115ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b1a11c25929c3daec767010ca6fa79739bd677a2ce78fc457cea170f9115ab", kill_on_drop: false }`
[INFO] [stdout] 85b1a11c25929c3daec767010ca6fa79739bd677a2ce78fc457cea170f9115ab