[INFO] fetching crate cargo-deliver 0.2.0...
[INFO] testing cargo-deliver-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cargo-deliver 0.2.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate cargo-deliver 0.2.0 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-deliver 0.2.0
[INFO] finished tweaking crates.io crate cargo-deliver 0.2.0
[INFO] tweaked toml for crates.io crate cargo-deliver 0.2.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] d2378bcddb63d39bde8428ad271021b8082c8254bb93bf5f8d27ef6c67b3d890
[INFO] running `Command { std: "docker" "start" "-a" "d2378bcddb63d39bde8428ad271021b8082c8254bb93bf5f8d27ef6c67b3d890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2378bcddb63d39bde8428ad271021b8082c8254bb93bf5f8d27ef6c67b3d890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2378bcddb63d39bde8428ad271021b8082c8254bb93bf5f8d27ef6c67b3d890", kill_on_drop: false }`
[INFO] [stdout] d2378bcddb63d39bde8428ad271021b8082c8254bb93bf5f8d27ef6c67b3d890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 98c08a6db10d91448b873b4b222455df8e12ba7cf684bfe1c6868ca66b92d391
[INFO] running `Command { std: "docker" "start" "-a" "98c08a6db10d91448b873b4b222455df8e12ba7cf684bfe1c6868ca66b92d391", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling pest v0.4.1
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling rprompt v1.0.5
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling shared_child v0.3.5
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling os_pipe v0.6.2
[INFO] [stderr]    Compiling duct v0.9.2
[INFO] [stderr]    Compiling tera v0.10.10
[INFO] [stderr]    Compiling cargo-deliver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/main.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 .and_then(|_| Ok(process::exit(0)))
[INFO] [stdout]    |                               ^^ ---------------- any code following this expression is unreachable
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               unreachable call
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.71s
[INFO] running `Command { std: "docker" "inspect" "98c08a6db10d91448b873b4b222455df8e12ba7cf684bfe1c6868ca66b92d391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c08a6db10d91448b873b4b222455df8e12ba7cf684bfe1c6868ca66b92d391", kill_on_drop: false }`
[INFO] [stdout] 98c08a6db10d91448b873b4b222455df8e12ba7cf684bfe1c6868ca66b92d391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 0f4567b59e10821feda2e8f0e89ba665652e4584fada48d78b46355e957a3134
[INFO] running `Command { std: "docker" "start" "-a" "0f4567b59e10821feda2e8f0e89ba665652e4584fada48d78b46355e957a3134", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-deliver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/main.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 .and_then(|_| Ok(process::exit(0)))
[INFO] [stdout]    |                               ^^ ---------------- any code following this expression is unreachable
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               unreachable call
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "0f4567b59e10821feda2e8f0e89ba665652e4584fada48d78b46355e957a3134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4567b59e10821feda2e8f0e89ba665652e4584fada48d78b46355e957a3134", kill_on_drop: false }`
[INFO] [stdout] 0f4567b59e10821feda2e8f0e89ba665652e4584fada48d78b46355e957a3134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 74d8d9c92e8b2b8c62c8e040ba0488c1bb0b6bc86fefd5b9f42e41a77c820578
[INFO] running `Command { std: "docker" "start" "-a" "74d8d9c92e8b2b8c62c8e040ba0488c1bb0b6bc86fefd5b9f42e41a77c820578", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]   --> src/main.rs:74:31
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 .and_then(|_| Ok(process::exit(0)))
[INFO] [stderr]    |                               ^^ ---------------- any code following this expression is unreachable
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               unreachable call
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-deliver` (bin "cargo-deliver" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_deliver-bd310c755ae32261)
[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" "74d8d9c92e8b2b8c62c8e040ba0488c1bb0b6bc86fefd5b9f42e41a77c820578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d8d9c92e8b2b8c62c8e040ba0488c1bb0b6bc86fefd5b9f42e41a77c820578", kill_on_drop: false }`
[INFO] [stdout] 74d8d9c92e8b2b8c62c8e040ba0488c1bb0b6bc86fefd5b9f42e41a77c820578