[INFO] fetching crate rump 0.1.0...
[INFO] testing rump-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rump 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rump 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 rump 0.1.0
[INFO] finished tweaking crates.io crate rump 0.1.0
[INFO] tweaked toml for crates.io crate rump 0.1.0 written to /workspace/builds/worker-10/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2192d671f53004574c493ca87e972a10dc3d4aaa8ed625ca17f0c40e1a1c0e53
[INFO] running `Command { std: "docker" "start" "-a" "2192d671f53004574c493ca87e972a10dc3d4aaa8ed625ca17f0c40e1a1c0e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2192d671f53004574c493ca87e972a10dc3d4aaa8ed625ca17f0c40e1a1c0e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2192d671f53004574c493ca87e972a10dc3d4aaa8ed625ca17f0c40e1a1c0e53", kill_on_drop: false }`
[INFO] [stdout] 2192d671f53004574c493ca87e972a10dc3d4aaa8ed625ca17f0c40e1a1c0e53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b1cd6d9656326452a8cb3c1c298c8c65fad0f71e638dd3835d3c33bfb94301cc
[INFO] running `Command { std: "docker" "start" "-a" "b1cd6d9656326452a8cb3c1c298c8c65fad0f71e638dd3835d3c33bfb94301cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/cli.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let parsed_options = try!(self.options.parse(args));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/data.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut home = env::home_dir().unwrap();
[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 1.56s
[INFO] running `Command { std: "docker" "inspect" "b1cd6d9656326452a8cb3c1c298c8c65fad0f71e638dd3835d3c33bfb94301cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1cd6d9656326452a8cb3c1c298c8c65fad0f71e638dd3835d3c33bfb94301cc", kill_on_drop: false }`
[INFO] [stdout] b1cd6d9656326452a8cb3c1c298c8c65fad0f71e638dd3835d3c33bfb94301cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 203d54a0b543b36126d322437726836f5ba983698da1edab1aba8958d93f14bf
[INFO] running `Command { std: "docker" "start" "-a" "203d54a0b543b36126d322437726836f5ba983698da1edab1aba8958d93f14bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "203d54a0b543b36126d322437726836f5ba983698da1edab1aba8958d93f14bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203d54a0b543b36126d322437726836f5ba983698da1edab1aba8958d93f14bf", kill_on_drop: false }`
[INFO] [stdout] 203d54a0b543b36126d322437726836f5ba983698da1edab1aba8958d93f14bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b30677587f78cceb1d7f481064a1c958ae9d86dab92ee6bec7acebf00628fdc3
[INFO] running `Command { std: "docker" "start" "-a" "b30677587f78cceb1d7f481064a1c958ae9d86dab92ee6bec7acebf00628fdc3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "b30677587f78cceb1d7f481064a1c958ae9d86dab92ee6bec7acebf00628fdc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30677587f78cceb1d7f481064a1c958ae9d86dab92ee6bec7acebf00628fdc3", kill_on_drop: false }`
[INFO] [stdout] b30677587f78cceb1d7f481064a1c958ae9d86dab92ee6bec7acebf00628fdc3