[INFO] fetching crate liboverdrop 0.0.2...
[INFO] testing liboverdrop-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate liboverdrop 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate liboverdrop 0.0.2 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 liboverdrop 0.0.2
[INFO] finished tweaking crates.io crate liboverdrop 0.0.2
[INFO] tweaked toml for crates.io crate liboverdrop 0.0.2 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4e71bc57c726c47d709f470712fbe3908e22e3704780dd6301c450733a2e6a27
[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" "4e71bc57c726c47d709f470712fbe3908e22e3704780dd6301c450733a2e6a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e71bc57c726c47d709f470712fbe3908e22e3704780dd6301c450733a2e6a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e71bc57c726c47d709f470712fbe3908e22e3704780dd6301c450733a2e6a27", kill_on_drop: false }`
[INFO] [stdout] 4e71bc57c726c47d709f470712fbe3908e22e3704780dd6301c450733a2e6a27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fabcea90f548af2fc4bb75b3c9c80689d6a02dd5d26ce4169a61a61e0ea37337
[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" "fabcea90f548af2fc4bb75b3c9c80689d6a02dd5d26ce4169a61a61e0ea37337", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling liboverdrop v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "fabcea90f548af2fc4bb75b3c9c80689d6a02dd5d26ce4169a61a61e0ea37337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabcea90f548af2fc4bb75b3c9c80689d6a02dd5d26ce4169a61a61e0ea37337", kill_on_drop: false }`
[INFO] [stdout] fabcea90f548af2fc4bb75b3c9c80689d6a02dd5d26ce4169a61a61e0ea37337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 72e2ea493759459c3fc0b2757af9d5bbe8510fc1760a5eb42f83d9514089f7eb
[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" "72e2ea493759459c3fc0b2757af9d5bbe8510fc1760a5eb42f83d9514089f7eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling liboverdrop v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "72e2ea493759459c3fc0b2757af9d5bbe8510fc1760a5eb42f83d9514089f7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e2ea493759459c3fc0b2757af9d5bbe8510fc1760a5eb42f83d9514089f7eb", kill_on_drop: false }`
[INFO] [stdout] 72e2ea493759459c3fc0b2757af9d5bbe8510fc1760a5eb42f83d9514089f7eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 02c5ce8577c355c66db85d949e0b37e32244434c468161bd314fcfd6fcc31376
[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" "02c5ce8577c355c66db85d949e0b37e32244434c468161bd314fcfd6fcc31376", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/liboverdrop-650a1114099e451e
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::basic_override_allow_all_extensions ... ok
[INFO] [stdout] test tests::basic_override ... ok
[INFO] [stdout] test tests::basic_override_allow_hidden ... ok
[INFO] [stdout] test tests::basic_override_ignore_hidden ... ok
[INFO] [stdout] test tests::basic_override_restrict_extensions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests liboverdrop
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02c5ce8577c355c66db85d949e0b37e32244434c468161bd314fcfd6fcc31376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c5ce8577c355c66db85d949e0b37e32244434c468161bd314fcfd6fcc31376", kill_on_drop: false }`
[INFO] [stdout] 02c5ce8577c355c66db85d949e0b37e32244434c468161bd314fcfd6fcc31376