[INFO] fetching crate crates_pet 0.1.0...
[INFO] testing crates_pet-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate crates_pet 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate crates_pet 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crates_pet 0.1.0
[INFO] finished tweaking crates.io crate crates_pet 0.1.0
[INFO] tweaked toml for crates.io crate crates_pet 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5311c36e958e88ca9787aa84aef9b2c83b6771b92e9bb1252b6f259aab7a2c03
[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" "5311c36e958e88ca9787aa84aef9b2c83b6771b92e9bb1252b6f259aab7a2c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5311c36e958e88ca9787aa84aef9b2c83b6771b92e9bb1252b6f259aab7a2c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5311c36e958e88ca9787aa84aef9b2c83b6771b92e9bb1252b6f259aab7a2c03", kill_on_drop: false }`
[INFO] [stdout] 5311c36e958e88ca9787aa84aef9b2c83b6771b92e9bb1252b6f259aab7a2c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01da35b4dc6229765f6152dbff5d30afd3c3043e842faad720bb9812eb7133bd
[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" "01da35b4dc6229765f6152dbff5d30afd3c3043e842faad720bb9812eb7133bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling crates_pet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "01da35b4dc6229765f6152dbff5d30afd3c3043e842faad720bb9812eb7133bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01da35b4dc6229765f6152dbff5d30afd3c3043e842faad720bb9812eb7133bd", kill_on_drop: false }`
[INFO] [stdout] 01da35b4dc6229765f6152dbff5d30afd3c3043e842faad720bb9812eb7133bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "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] 6b27507130b0735c6d4691a4ab07e3cca32b70bb8ccc4e6a522a3e8b3db4ba6d
[INFO] running `Command { std: "docker" "start" "-a" "6b27507130b0735c6d4691a4ab07e3cca32b70bb8ccc4e6a522a3e8b3db4ba6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crates_pet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "6b27507130b0735c6d4691a4ab07e3cca32b70bb8ccc4e6a522a3e8b3db4ba6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b27507130b0735c6d4691a4ab07e3cca32b70bb8ccc4e6a522a3e8b3db4ba6d", kill_on_drop: false }`
[INFO] [stdout] 6b27507130b0735c6d4691a4ab07e3cca32b70bb8ccc4e6a522a3e8b3db4ba6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "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] fe7862f1cb143bca8504e4240873f7d7eb33db52f03aee1506d48dbc3acb47f2
[INFO] running `Command { std: "docker" "start" "-a" "fe7862f1cb143bca8504e4240873f7d7eb33db52f03aee1506d48dbc3acb47f2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crates_pet-4d64f57899d3df33
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crates_pet
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe7862f1cb143bca8504e4240873f7d7eb33db52f03aee1506d48dbc3acb47f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7862f1cb143bca8504e4240873f7d7eb33db52f03aee1506d48dbc3acb47f2", kill_on_drop: false }`
[INFO] [stdout] fe7862f1cb143bca8504e4240873f7d7eb33db52f03aee1506d48dbc3acb47f2