[INFO] fetching crate bolero-libfuzzer 0.5.0...
[INFO] testing bolero-libfuzzer-0.5.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate bolero-libfuzzer 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bolero-libfuzzer 0.5.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-libfuzzer 0.5.0
[INFO] finished tweaking crates.io crate bolero-libfuzzer 0.5.0
[INFO] tweaked toml for crates.io crate bolero-libfuzzer 0.5.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bolero-generator-derive v0.5.2
[INFO] [stderr]   Downloaded bolero-generator v0.5.2
[INFO] [stderr]   Downloaded bolero-engine v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99c5eb2f05354451e7d7d4feacf09ec80357e3294f49d675f3f12babff66428a
[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" "99c5eb2f05354451e7d7d4feacf09ec80357e3294f49d675f3f12babff66428a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c5eb2f05354451e7d7d4feacf09ec80357e3294f49d675f3f12babff66428a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c5eb2f05354451e7d7d4feacf09ec80357e3294f49d675f3f12babff66428a", kill_on_drop: false }`
[INFO] [stdout] 99c5eb2f05354451e7d7d4feacf09ec80357e3294f49d675f3f12babff66428a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 6f3799e3db08e46a6c83a284b807fb035f361238d417ae28f7326ae9e87cab7d
[INFO] running `Command { std: "docker" "start" "-a" "6f3799e3db08e46a6c83a284b807fb035f361238d417ae28f7326ae9e87cab7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling pretty-hex v0.1.1
[INFO] [stderr]    Compiling bolero-libfuzzer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bolero-generator-derive v0.5.2
[INFO] [stderr]    Compiling bolero-generator v0.5.2
[INFO] [stderr]    Compiling bolero-engine v0.5.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.70s
[INFO] running `Command { std: "docker" "inspect" "6f3799e3db08e46a6c83a284b807fb035f361238d417ae28f7326ae9e87cab7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3799e3db08e46a6c83a284b807fb035f361238d417ae28f7326ae9e87cab7d", kill_on_drop: false }`
[INFO] [stdout] 6f3799e3db08e46a6c83a284b807fb035f361238d417ae28f7326ae9e87cab7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 070b545b1a3857925e424483615e00ad63438200fdcf3b6294fc60d391d77368
[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" "070b545b1a3857925e424483615e00ad63438200fdcf3b6294fc60d391d77368", kill_on_drop: false }`
[INFO] [stderr]    Compiling bolero-libfuzzer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "070b545b1a3857925e424483615e00ad63438200fdcf3b6294fc60d391d77368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070b545b1a3857925e424483615e00ad63438200fdcf3b6294fc60d391d77368", kill_on_drop: false }`
[INFO] [stdout] 070b545b1a3857925e424483615e00ad63438200fdcf3b6294fc60d391d77368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34df354290c5607ba01a16243263ea2a57ad5d0eb549250b2ce653ed73ab81f3
[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" "34df354290c5607ba01a16243263ea2a57ad5d0eb549250b2ce653ed73ab81f3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bolero_libfuzzer-7304bc4ca5b80586
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bolero-libfuzzer
[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" "34df354290c5607ba01a16243263ea2a57ad5d0eb549250b2ce653ed73ab81f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34df354290c5607ba01a16243263ea2a57ad5d0eb549250b2ce653ed73ab81f3", kill_on_drop: false }`
[INFO] [stdout] 34df354290c5607ba01a16243263ea2a57ad5d0eb549250b2ce653ed73ab81f3
