[INFO] fetching crate bolero-libfuzzer 0.5.0...
[INFO] documenting bolero-libfuzzer-0.5.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate bolero-libfuzzer 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bolero-libfuzzer 0.5.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", 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] a32927cf38d2259f8d1ffee725903ec8fba56d010835552e63de5095886b8bfb
[INFO] running `Command { std: "docker" "start" "-a" "a32927cf38d2259f8d1ffee725903ec8fba56d010835552e63de5095886b8bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a32927cf38d2259f8d1ffee725903ec8fba56d010835552e63de5095886b8bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32927cf38d2259f8d1ffee725903ec8fba56d010835552e63de5095886b8bfb", kill_on_drop: false }`
[INFO] [stdout] a32927cf38d2259f8d1ffee725903ec8fba56d010835552e63de5095886b8bfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] dd70adb0dfef7dd4d33543fe758fe4c43959df0e554ff1aadba66a12e0005027
[INFO] running `Command { std: "docker" "start" "-a" "dd70adb0dfef7dd4d33543fe758fe4c43959df0e554ff1aadba66a12e0005027", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling bolero-libfuzzer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling bolero-generator-derive v0.5.2
[INFO] [stderr]     Checking bolero-generator v0.5.2
[INFO] [stderr]     Checking bolero-engine v0.5.2
[INFO] [stderr]  Documenting bolero-libfuzzer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.18s
[INFO] running `Command { std: "docker" "inspect" "dd70adb0dfef7dd4d33543fe758fe4c43959df0e554ff1aadba66a12e0005027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd70adb0dfef7dd4d33543fe758fe4c43959df0e554ff1aadba66a12e0005027", kill_on_drop: false }`
[INFO] [stdout] dd70adb0dfef7dd4d33543fe758fe4c43959df0e554ff1aadba66a12e0005027