[INFO] fetching crate bowl 0.0.0...
[INFO] testing bowl-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bowl 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bowl 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 bowl 0.0.0
[INFO] finished tweaking crates.io crate bowl 0.0.0
[INFO] tweaked toml for crates.io crate bowl 0.0.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 98fa6d6911a4d4b4c1862e3b351be3be23eecbdf9ead9d24a79c0d123a93cdaf
[INFO] running `Command { std: "docker" "start" "-a" "98fa6d6911a4d4b4c1862e3b351be3be23eecbdf9ead9d24a79c0d123a93cdaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98fa6d6911a4d4b4c1862e3b351be3be23eecbdf9ead9d24a79c0d123a93cdaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98fa6d6911a4d4b4c1862e3b351be3be23eecbdf9ead9d24a79c0d123a93cdaf", kill_on_drop: false }`
[INFO] [stdout] 98fa6d6911a4d4b4c1862e3b351be3be23eecbdf9ead9d24a79c0d123a93cdaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 65c3c3d33c01d3885e88df1a3f7c3e1e33e4002a5a031fcf6e18cdc0f0b74666
[INFO] running `Command { std: "docker" "start" "-a" "65c3c3d33c01d3885e88df1a3f7c3e1e33e4002a5a031fcf6e18cdc0f0b74666", kill_on_drop: false }`
[INFO] [stderr]    Compiling bowl v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "65c3c3d33c01d3885e88df1a3f7c3e1e33e4002a5a031fcf6e18cdc0f0b74666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c3c3d33c01d3885e88df1a3f7c3e1e33e4002a5a031fcf6e18cdc0f0b74666", kill_on_drop: false }`
[INFO] [stdout] 65c3c3d33c01d3885e88df1a3f7c3e1e33e4002a5a031fcf6e18cdc0f0b74666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 53375c00e9485a0e71058bd2a17d903ccfb901a453209d94648a93b01f05aa51
[INFO] running `Command { std: "docker" "start" "-a" "53375c00e9485a0e71058bd2a17d903ccfb901a453209d94648a93b01f05aa51", kill_on_drop: false }`
[INFO] [stderr]    Compiling bowl v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "53375c00e9485a0e71058bd2a17d903ccfb901a453209d94648a93b01f05aa51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53375c00e9485a0e71058bd2a17d903ccfb901a453209d94648a93b01f05aa51", kill_on_drop: false }`
[INFO] [stdout] 53375c00e9485a0e71058bd2a17d903ccfb901a453209d94648a93b01f05aa51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 28ea611ac7e197ef8d9e8d72c88f515d194ca4d9bc427d93aead16a7243a7ab7
[INFO] running `Command { std: "docker" "start" "-a" "28ea611ac7e197ef8d9e8d72c88f515d194ca4d9bc427d93aead16a7243a7ab7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bowl-bda214ab05615a0f
[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 bowl
[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" "28ea611ac7e197ef8d9e8d72c88f515d194ca4d9bc427d93aead16a7243a7ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ea611ac7e197ef8d9e8d72c88f515d194ca4d9bc427d93aead16a7243a7ab7", kill_on_drop: false }`
[INFO] [stdout] 28ea611ac7e197ef8d9e8d72c88f515d194ca4d9bc427d93aead16a7243a7ab7