[INFO] fetching crate release-experiment-top-crate 0.3.5...
[INFO] testing release-experiment-top-crate-0.3.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate release-experiment-top-crate 0.3.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate release-experiment-top-crate 0.3.5 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 release-experiment-top-crate 0.3.5
[INFO] finished tweaking crates.io crate release-experiment-top-crate 0.3.5
[INFO] tweaked toml for crates.io crate release-experiment-top-crate 0.3.5 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[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] c49f80a6b2c6847009ef8389a1e9f54c4ace387cf469035ed79bd8026cd8131b
[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" "c49f80a6b2c6847009ef8389a1e9f54c4ace387cf469035ed79bd8026cd8131b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c49f80a6b2c6847009ef8389a1e9f54c4ace387cf469035ed79bd8026cd8131b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49f80a6b2c6847009ef8389a1e9f54c4ace387cf469035ed79bd8026cd8131b", kill_on_drop: false }`
[INFO] [stdout] c49f80a6b2c6847009ef8389a1e9f54c4ace387cf469035ed79bd8026cd8131b
[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] ae6e3d91b1de3654b1b55eb4430cab04afedc08d0f0580cefe76476abe4644b6
[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" "ae6e3d91b1de3654b1b55eb4430cab04afedc08d0f0580cefe76476abe4644b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling release-experiment-top-crate v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "ae6e3d91b1de3654b1b55eb4430cab04afedc08d0f0580cefe76476abe4644b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6e3d91b1de3654b1b55eb4430cab04afedc08d0f0580cefe76476abe4644b6", kill_on_drop: false }`
[INFO] [stdout] ae6e3d91b1de3654b1b55eb4430cab04afedc08d0f0580cefe76476abe4644b6
[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] [stdout] d3d89adba28e2738203d102f666165a3e13c2c8cdaf6075a83e4ee27641b127a
[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" "d3d89adba28e2738203d102f666165a3e13c2c8cdaf6075a83e4ee27641b127a", kill_on_drop: false }`
[INFO] [stderr]    Compiling release-experiment-top-crate v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "d3d89adba28e2738203d102f666165a3e13c2c8cdaf6075a83e4ee27641b127a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d89adba28e2738203d102f666165a3e13c2c8cdaf6075a83e4ee27641b127a", kill_on_drop: false }`
[INFO] [stdout] d3d89adba28e2738203d102f666165a3e13c2c8cdaf6075a83e4ee27641b127a
[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] 8550a76e203798a32529012ffcf7a6fa18a208d99b705899d0ee6215476837e1
[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" "8550a76e203798a32529012ffcf7a6fa18a208d99b705899d0ee6215476837e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/release_experiment_top_crate-1fb38754cb1c826c
[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 release-experiment-top-crate
[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" "8550a76e203798a32529012ffcf7a6fa18a208d99b705899d0ee6215476837e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8550a76e203798a32529012ffcf7a6fa18a208d99b705899d0ee6215476837e1", kill_on_drop: false }`
[INFO] [stdout] 8550a76e203798a32529012ffcf7a6fa18a208d99b705899d0ee6215476837e1