[INFO] fetching crate dune-explorer 0.0.0...
[INFO] testing dune-explorer-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dune-explorer 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dune-explorer 0.0.0 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 dune-explorer 0.0.0
[INFO] finished tweaking crates.io crate dune-explorer 0.0.0
[INFO] tweaked toml for crates.io crate dune-explorer 0.0.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5008abd3cacb70c03e18603155f7d28269de8c1f2613c32c9b48f9cbc72c2e23
[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" "5008abd3cacb70c03e18603155f7d28269de8c1f2613c32c9b48f9cbc72c2e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5008abd3cacb70c03e18603155f7d28269de8c1f2613c32c9b48f9cbc72c2e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5008abd3cacb70c03e18603155f7d28269de8c1f2613c32c9b48f9cbc72c2e23", kill_on_drop: false }`
[INFO] [stdout] 5008abd3cacb70c03e18603155f7d28269de8c1f2613c32c9b48f9cbc72c2e23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 5483d7e37b7f9a062c58f95a68d8f80aadf539f8cc7fe16ed2f307ce806cc34d
[INFO] running `Command { std: "docker" "start" "-a" "5483d7e37b7f9a062c58f95a68d8f80aadf539f8cc7fe16ed2f307ce806cc34d", kill_on_drop: false }`
[INFO] [stderr]    Compiling dune-explorer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "5483d7e37b7f9a062c58f95a68d8f80aadf539f8cc7fe16ed2f307ce806cc34d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5483d7e37b7f9a062c58f95a68d8f80aadf539f8cc7fe16ed2f307ce806cc34d", kill_on_drop: false }`
[INFO] [stdout] 5483d7e37b7f9a062c58f95a68d8f80aadf539f8cc7fe16ed2f307ce806cc34d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e592b140d55164609934a31a02f1f866a1a104bc2b2ec4ad2547b3b5ce3222c
[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" "9e592b140d55164609934a31a02f1f866a1a104bc2b2ec4ad2547b3b5ce3222c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dune-explorer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "9e592b140d55164609934a31a02f1f866a1a104bc2b2ec4ad2547b3b5ce3222c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e592b140d55164609934a31a02f1f866a1a104bc2b2ec4ad2547b3b5ce3222c", kill_on_drop: false }`
[INFO] [stdout] 9e592b140d55164609934a31a02f1f866a1a104bc2b2ec4ad2547b3b5ce3222c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 45a02b26cdcd94131db17f013e92fa71a0bec1f0c8b6d2a8229a1af5a384c0e1
[INFO] running `Command { std: "docker" "start" "-a" "45a02b26cdcd94131db17f013e92fa71a0bec1f0c8b6d2a8229a1af5a384c0e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dune_explorer-2e6bb098ba44b641
[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] [stderr]    Doc-tests dune-explorer
[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" "45a02b26cdcd94131db17f013e92fa71a0bec1f0c8b6d2a8229a1af5a384c0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a02b26cdcd94131db17f013e92fa71a0bec1f0c8b6d2a8229a1af5a384c0e1", kill_on_drop: false }`
[INFO] [stdout] 45a02b26cdcd94131db17f013e92fa71a0bec1f0c8b6d2a8229a1af5a384c0e1