[INFO] fetching crate bk_primitives 0.1.0...
[INFO] testing bk_primitives-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bk_primitives 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bk_primitives 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 bk_primitives 0.1.0
[INFO] finished tweaking crates.io crate bk_primitives 0.1.0
[INFO] tweaked toml for crates.io crate bk_primitives 0.1.0 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] a027fd8e8bdc07e1b6a9d8cb165580f572449485cc590c019735a85413b7381d
[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" "a027fd8e8bdc07e1b6a9d8cb165580f572449485cc590c019735a85413b7381d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a027fd8e8bdc07e1b6a9d8cb165580f572449485cc590c019735a85413b7381d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a027fd8e8bdc07e1b6a9d8cb165580f572449485cc590c019735a85413b7381d", kill_on_drop: false }`
[INFO] [stdout] a027fd8e8bdc07e1b6a9d8cb165580f572449485cc590c019735a85413b7381d
[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] e7ec3f53a92c3ba5bd6e2fde97a91be961d1fd9e11ed1eacbaa59c77eafc0ab1
[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" "e7ec3f53a92c3ba5bd6e2fde97a91be961d1fd9e11ed1eacbaa59c77eafc0ab1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bk_primitives v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "e7ec3f53a92c3ba5bd6e2fde97a91be961d1fd9e11ed1eacbaa59c77eafc0ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ec3f53a92c3ba5bd6e2fde97a91be961d1fd9e11ed1eacbaa59c77eafc0ab1", kill_on_drop: false }`
[INFO] [stdout] e7ec3f53a92c3ba5bd6e2fde97a91be961d1fd9e11ed1eacbaa59c77eafc0ab1
[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] 31e40fa895eb770f0d4567b8acb4f8b785dd38e88f4495fd227374ede6a0ad8b
[INFO] running `Command { std: "docker" "start" "-a" "31e40fa895eb770f0d4567b8acb4f8b785dd38e88f4495fd227374ede6a0ad8b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `Command { std: "docker" "inspect" "31e40fa895eb770f0d4567b8acb4f8b785dd38e88f4495fd227374ede6a0ad8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e40fa895eb770f0d4567b8acb4f8b785dd38e88f4495fd227374ede6a0ad8b", kill_on_drop: false }`
[INFO] [stdout] 31e40fa895eb770f0d4567b8acb4f8b785dd38e88f4495fd227374ede6a0ad8b
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20a1f4fd9db9a78c8af09248e472fe83e228c6bbc83ed2352d83f0ecb9cbc3bd
[INFO] running `Command { std: "docker" "start" "-a" "20a1f4fd9db9a78c8af09248e472fe83e228c6bbc83ed2352d83f0ecb9cbc3bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]    Doc-tests bk_primitives
[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" "20a1f4fd9db9a78c8af09248e472fe83e228c6bbc83ed2352d83f0ecb9cbc3bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a1f4fd9db9a78c8af09248e472fe83e228c6bbc83ed2352d83f0ecb9cbc3bd", kill_on_drop: false }`
[INFO] [stdout] 20a1f4fd9db9a78c8af09248e472fe83e228c6bbc83ed2352d83f0ecb9cbc3bd