[INFO] fetching crate datasize_derive 0.2.3...
[INFO] testing datasize_derive-0.2.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate datasize_derive 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate datasize_derive 0.2.3 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 datasize_derive 0.2.3
[INFO] finished tweaking crates.io crate datasize_derive 0.2.3
[INFO] tweaked toml for crates.io crate datasize_derive 0.2.3 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] 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] 6d9d1315d5d7f61b957ef2ce81d3644930f3ffa64292a8b9dafe50d45579f3d3
[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" "6d9d1315d5d7f61b957ef2ce81d3644930f3ffa64292a8b9dafe50d45579f3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d9d1315d5d7f61b957ef2ce81d3644930f3ffa64292a8b9dafe50d45579f3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9d1315d5d7f61b957ef2ce81d3644930f3ffa64292a8b9dafe50d45579f3d3", kill_on_drop: false }`
[INFO] [stdout] 6d9d1315d5d7f61b957ef2ce81d3644930f3ffa64292a8b9dafe50d45579f3d3
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b6a4450f3354d6f976a040c42bb559713eb21e49d3a372e9d80faa760ae107c
[INFO] running `Command { std: "docker" "start" "-a" "2b6a4450f3354d6f976a040c42bb559713eb21e49d3a372e9d80faa760ae107c", kill_on_drop: false }`
[INFO] [stderr]    Compiling datasize_derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "2b6a4450f3354d6f976a040c42bb559713eb21e49d3a372e9d80faa760ae107c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6a4450f3354d6f976a040c42bb559713eb21e49d3a372e9d80faa760ae107c", kill_on_drop: false }`
[INFO] [stdout] 2b6a4450f3354d6f976a040c42bb559713eb21e49d3a372e9d80faa760ae107c
[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] 800f5a2808178fed0ec3ec02bd5f9d705c9b0dc13767eff96d488d4e5082c979
[INFO] running `Command { std: "docker" "start" "-a" "800f5a2808178fed0ec3ec02bd5f9d705c9b0dc13767eff96d488d4e5082c979", kill_on_drop: false }`
[INFO] [stderr]    Compiling datasize_derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "800f5a2808178fed0ec3ec02bd5f9d705c9b0dc13767eff96d488d4e5082c979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800f5a2808178fed0ec3ec02bd5f9d705c9b0dc13767eff96d488d4e5082c979", kill_on_drop: false }`
[INFO] [stdout] 800f5a2808178fed0ec3ec02bd5f9d705c9b0dc13767eff96d488d4e5082c979
[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] e6718465e3417b0936c8e2b1379f98ec6e30ad7f6a438d58b3d093d8dccd6fbf
[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" "e6718465e3417b0936c8e2b1379f98ec6e30ad7f6a438d58b3d093d8dccd6fbf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/datasize_derive-8cad78b65329ebfd
[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 datasize_derive
[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" "e6718465e3417b0936c8e2b1379f98ec6e30ad7f6a438d58b3d093d8dccd6fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6718465e3417b0936c8e2b1379f98ec6e30ad7f6a438d58b3d093d8dccd6fbf", kill_on_drop: false }`
[INFO] [stdout] e6718465e3417b0936c8e2b1379f98ec6e30ad7f6a438d58b3d093d8dccd6fbf