[INFO] fetching crate scaffold 0.4.0...
[INFO] testing scaffold-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate scaffold 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate scaffold 0.4.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scaffold 0.4.0
[INFO] finished tweaking crates.io crate scaffold 0.4.0
[INFO] tweaked toml for crates.io crate scaffold 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate scaffold 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79714ade3614246f6f5fa757f0c23f8e5f41a37a1f2dcb303fa6a9cea18576d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79714ade3614246f6f5fa757f0c23f8e5f41a37a1f2dcb303fa6a9cea18576d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79714ade3614246f6f5fa757f0c23f8e5f41a37a1f2dcb303fa6a9cea18576d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79714ade3614246f6f5fa757f0c23f8e5f41a37a1f2dcb303fa6a9cea18576d5", kill_on_drop: false }`
[INFO] [stdout] 79714ade3614246f6f5fa757f0c23f8e5f41a37a1f2dcb303fa6a9cea18576d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c0b8973c4ba51b42683e2725a4347b9901debafaf3382319e1a51e9ab6e0693
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c0b8973c4ba51b42683e2725a4347b9901debafaf3382319e1a51e9ab6e0693", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rpassword v2.1.0
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling shellexpand v1.1.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling quest v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling structopt v0.3.18
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling scaffold v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.65s
[INFO] running `Command { std: "docker" "inspect" "0c0b8973c4ba51b42683e2725a4347b9901debafaf3382319e1a51e9ab6e0693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0b8973c4ba51b42683e2725a4347b9901debafaf3382319e1a51e9ab6e0693", kill_on_drop: false }`
[INFO] [stdout] 0c0b8973c4ba51b42683e2725a4347b9901debafaf3382319e1a51e9ab6e0693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f198c0f30679ea6d010607d68141e17a38d32d296382c2c8410fb5944464e993
[INFO] running `Command { std: "docker" "start" "-a" "f198c0f30679ea6d010607d68141e17a38d32d296382c2c8410fb5944464e993", kill_on_drop: false }`
[INFO] [stderr]    Compiling scaffold v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "f198c0f30679ea6d010607d68141e17a38d32d296382c2c8410fb5944464e993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f198c0f30679ea6d010607d68141e17a38d32d296382c2c8410fb5944464e993", kill_on_drop: false }`
[INFO] [stdout] f198c0f30679ea6d010607d68141e17a38d32d296382c2c8410fb5944464e993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 793ea65b016c4c9caa1b9f4d01a1e348b12fe1695476162666d2017a247bdbf8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "793ea65b016c4c9caa1b9f4d01a1e348b12fe1695476162666d2017a247bdbf8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scaffold-76cd5f0e2265401f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test version_getter::tests::test_something ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "793ea65b016c4c9caa1b9f4d01a1e348b12fe1695476162666d2017a247bdbf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793ea65b016c4c9caa1b9f4d01a1e348b12fe1695476162666d2017a247bdbf8", kill_on_drop: false }`
[INFO] [stdout] 793ea65b016c4c9caa1b9f4d01a1e348b12fe1695476162666d2017a247bdbf8