[INFO] fetching crate credent_cli 0.1.0...
[INFO] testing credent_cli-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate credent_cli 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate credent_cli 0.1.0 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 credent_cli 0.1.0
[INFO] finished tweaking crates.io crate credent_cli 0.1.0
[INFO] tweaked toml for crates.io crate credent_cli 0.1.0 written to /workspace/builds/worker-1/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] 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6cd64a7fee2541f136ab2db6c3e552c7fef56bdbb4f8caea931bb3e978f9d211
[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" "6cd64a7fee2541f136ab2db6c3e552c7fef56bdbb4f8caea931bb3e978f9d211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cd64a7fee2541f136ab2db6c3e552c7fef56bdbb4f8caea931bb3e978f9d211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd64a7fee2541f136ab2db6c3e552c7fef56bdbb4f8caea931bb3e978f9d211", kill_on_drop: false }`
[INFO] [stdout] 6cd64a7fee2541f136ab2db6c3e552c7fef56bdbb4f8caea931bb3e978f9d211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 798ff620798772136c42aaf0aa2a43aeab2384022df8702d69548687b8a9fe93
[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" "798ff620798772136c42aaf0aa2a43aeab2384022df8702d69548687b8a9fe93", kill_on_drop: false }`
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling rpassword v5.0.0
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling credent_model v0.1.0
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-net v1.5.0
[INFO] [stderr]    Compiling async-process v1.0.1
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling credent_cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "798ff620798772136c42aaf0aa2a43aeab2384022df8702d69548687b8a9fe93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798ff620798772136c42aaf0aa2a43aeab2384022df8702d69548687b8a9fe93", kill_on_drop: false }`
[INFO] [stdout] 798ff620798772136c42aaf0aa2a43aeab2384022df8702d69548687b8a9fe93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2b2740782de2f163660efc84e24174a6f1c9a014639bb0e5e00d65a7cfe57420
[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" "2b2740782de2f163660efc84e24174a6f1c9a014639bb0e5e00d65a7cfe57420", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "2b2740782de2f163660efc84e24174a6f1c9a014639bb0e5e00d65a7cfe57420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b2740782de2f163660efc84e24174a6f1c9a014639bb0e5e00d65a7cfe57420", kill_on_drop: false }`
[INFO] [stdout] 2b2740782de2f163660efc84e24174a6f1c9a014639bb0e5e00d65a7cfe57420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] fb10ef88d5e8f44ea5f3c24bd36596a50cc1ce720545f4c9102e5a273bbc167d
[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" "fb10ef88d5e8f44ea5f3c24bd36596a50cc1ce720545f4c9102e5a273bbc167d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "fb10ef88d5e8f44ea5f3c24bd36596a50cc1ce720545f4c9102e5a273bbc167d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb10ef88d5e8f44ea5f3c24bd36596a50cc1ce720545f4c9102e5a273bbc167d", kill_on_drop: false }`
[INFO] [stdout] fb10ef88d5e8f44ea5f3c24bd36596a50cc1ce720545f4c9102e5a273bbc167d