[INFO] fetching crate nest-cli 0.3.0...
[INFO] testing nest-cli-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nest-cli 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nest-cli 0.3.0 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 nest-cli 0.3.0
[INFO] finished tweaking crates.io crate nest-cli 0.3.0
[INFO] tweaked toml for crates.io crate nest-cli 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objekt v0.1.2
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded atomicwrites v0.2.5
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded serde-hjson v0.9.1
[INFO] [stderr]   Downloaded snafu-derive v0.2.3
[INFO] [stderr]   Downloaded nest v1.0.0
[INFO] [stderr]   Downloaded mkdirp v0.1.0
[INFO] [stderr]   Downloaded snafu v0.2.3
[INFO] [stderr]   Downloaded clap-log-flag v0.2.1
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 5ef02e2edf31a882129653f7b527d82fd86b7b41e25d4ca741f5b11c2d0e8ac1
[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" "5ef02e2edf31a882129653f7b527d82fd86b7b41e25d4ca741f5b11c2d0e8ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ef02e2edf31a882129653f7b527d82fd86b7b41e25d4ca741f5b11c2d0e8ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef02e2edf31a882129653f7b527d82fd86b7b41e25d4ca741f5b11c2d0e8ac1", kill_on_drop: false }`
[INFO] [stdout] 5ef02e2edf31a882129653f7b527d82fd86b7b41e25d4ca741f5b11c2d0e8ac1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4a069362141fdcb251f2748f8f58918d2165d1bdd7a88d7ee14c464008aeb064
[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" "4a069362141fdcb251f2748f8f58918d2165d1bdd7a88d7ee14c464008aeb064", kill_on_drop: false }`
[INFO] [stderr]    Compiling mkdirp v0.1.0
[INFO] [stderr]    Compiling objekt v0.1.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling atomicwrites v0.2.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling snafu-derive v0.2.3
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling snafu v0.2.3
[INFO] [stderr]    Compiling clap-verbosity-flag v0.2.0
[INFO] [stderr]    Compiling clap-log-flag v0.2.1
[INFO] [stderr]    Compiling nest v1.0.0
[INFO] [stderr]    Compiling nest-cli v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.58s
[INFO] running `Command { std: "docker" "inspect" "4a069362141fdcb251f2748f8f58918d2165d1bdd7a88d7ee14c464008aeb064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a069362141fdcb251f2748f8f58918d2165d1bdd7a88d7ee14c464008aeb064", kill_on_drop: false }`
[INFO] [stdout] 4a069362141fdcb251f2748f8f58918d2165d1bdd7a88d7ee14c464008aeb064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 956a10632fd1ff85575fe1deba90528063c340b05e3e7331ab5ed089aae1be38
[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" "956a10632fd1ff85575fe1deba90528063c340b05e3e7331ab5ed089aae1be38", kill_on_drop: false }`
[INFO] [stderr]    Compiling nest-cli v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "956a10632fd1ff85575fe1deba90528063c340b05e3e7331ab5ed089aae1be38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956a10632fd1ff85575fe1deba90528063c340b05e3e7331ab5ed089aae1be38", kill_on_drop: false }`
[INFO] [stdout] 956a10632fd1ff85575fe1deba90528063c340b05e3e7331ab5ed089aae1be38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9b022198ee0073d30fe615260724dc760764725fba9fe2955b91ba44008e7582
[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" "9b022198ee0073d30fe615260724dc760764725fba9fe2955b91ba44008e7582", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nest-068112ac95a655cb
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b022198ee0073d30fe615260724dc760764725fba9fe2955b91ba44008e7582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b022198ee0073d30fe615260724dc760764725fba9fe2955b91ba44008e7582", kill_on_drop: false }`
[INFO] [stdout] 9b022198ee0073d30fe615260724dc760764725fba9fe2955b91ba44008e7582