[INFO] fetching crate packattack 0.1.0...
[INFO] testing packattack-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate packattack 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate packattack 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 packattack 0.1.0
[INFO] finished tweaking crates.io crate packattack 0.1.0
[INFO] tweaked toml for crates.io crate packattack 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] 820191e60a390f11817b27aa8d31aa8c0335f76755b23fe50c428261e4cc659a
[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" "820191e60a390f11817b27aa8d31aa8c0335f76755b23fe50c428261e4cc659a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "820191e60a390f11817b27aa8d31aa8c0335f76755b23fe50c428261e4cc659a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820191e60a390f11817b27aa8d31aa8c0335f76755b23fe50c428261e4cc659a", kill_on_drop: false }`
[INFO] [stdout] 820191e60a390f11817b27aa8d31aa8c0335f76755b23fe50c428261e4cc659a
[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] f112b6721aafcf48dc41f8e08669b321d893935b8c449fdb053a60e94a220d07
[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" "f112b6721aafcf48dc41f8e08669b321d893935b8c449fdb053a60e94a220d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_reverse v0.1.8
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling bitreader_async v0.2.0
[INFO] [stderr]    Compiling packattack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.48s
[INFO] running `Command { std: "docker" "inspect" "f112b6721aafcf48dc41f8e08669b321d893935b8c449fdb053a60e94a220d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f112b6721aafcf48dc41f8e08669b321d893935b8c449fdb053a60e94a220d07", kill_on_drop: false }`
[INFO] [stdout] f112b6721aafcf48dc41f8e08669b321d893935b8c449fdb053a60e94a220d07
[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] 1cfd7b3c75cffa409a97d65239ace995c33e64002d54acba76fbdc8bfab28790
[INFO] running `Command { std: "docker" "start" "-a" "1cfd7b3c75cffa409a97d65239ace995c33e64002d54acba76fbdc8bfab28790", kill_on_drop: false }`
[INFO] [stderr]    Compiling packattack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "1cfd7b3c75cffa409a97d65239ace995c33e64002d54acba76fbdc8bfab28790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfd7b3c75cffa409a97d65239ace995c33e64002d54acba76fbdc8bfab28790", kill_on_drop: false }`
[INFO] [stdout] 1cfd7b3c75cffa409a97d65239ace995c33e64002d54acba76fbdc8bfab28790
[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] 342d11344dd5f0fd49cc77f884f300d4c16ea5096951625bfd737fa39e28ff1f
[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" "342d11344dd5f0fd49cc77f884f300d4c16ea5096951625bfd737fa39e28ff1f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/packattack-e2cb0b8cb25bc3ca
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests packattack
[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] [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" "342d11344dd5f0fd49cc77f884f300d4c16ea5096951625bfd737fa39e28ff1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342d11344dd5f0fd49cc77f884f300d4c16ea5096951625bfd737fa39e28ff1f", kill_on_drop: false }`
[INFO] [stdout] 342d11344dd5f0fd49cc77f884f300d4c16ea5096951625bfd737fa39e28ff1f