[INFO] fetching crate bolero-libfuzzer 0.6.0...
[INFO] checking bolero-libfuzzer-0.6.0 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate bolero-libfuzzer 0.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bolero-libfuzzer 0.6.0 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-libfuzzer 0.6.0
[INFO] finished tweaking crates.io crate bolero-libfuzzer 0.6.0
[INFO] tweaked toml for crates.io crate bolero-libfuzzer 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pretty-hex v0.1.1
[INFO] [stderr]   Downloaded bolero-generator-derive v0.6.1
[INFO] [stderr]   Downloaded bolero-generator v0.6.0
[INFO] [stderr]   Downloaded bolero-engine v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3f73fe56b7ca2000bc83d6e823d1c91033f4387fbdd9d2abe6132b1933787c0
[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" "f3f73fe56b7ca2000bc83d6e823d1c91033f4387fbdd9d2abe6132b1933787c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3f73fe56b7ca2000bc83d6e823d1c91033f4387fbdd9d2abe6132b1933787c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f73fe56b7ca2000bc83d6e823d1c91033f4387fbdd9d2abe6132b1933787c0", kill_on_drop: false }`
[INFO] [stdout] f3f73fe56b7ca2000bc83d6e823d1c91033f4387fbdd9d2abe6132b1933787c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--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] 8b6dd3ce43dd9ce5dcab1c0de1bc5473750a1610f9a4f8cc24949fa6bfb089d9
[INFO] running `Command { std: "docker" "start" "-a" "8b6dd3ce43dd9ce5dcab1c0de1bc5473750a1610f9a4f8cc24949fa6bfb089d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bolero-libfuzzer v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling bolero-generator-derive v0.6.1
[INFO] [stderr]     Checking bolero-generator v0.6.0
[INFO] [stderr]     Checking bolero-engine v0.6.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.21s
[INFO] running `Command { std: "docker" "inspect" "8b6dd3ce43dd9ce5dcab1c0de1bc5473750a1610f9a4f8cc24949fa6bfb089d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6dd3ce43dd9ce5dcab1c0de1bc5473750a1610f9a4f8cc24949fa6bfb089d9", kill_on_drop: false }`
[INFO] [stdout] 8b6dd3ce43dd9ce5dcab1c0de1bc5473750a1610f9a4f8cc24949fa6bfb089d9