[INFO] fetching crate libfuzzer-sys 0.4.2...
[INFO] checking libfuzzer-sys-0.4.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate libfuzzer-sys 0.4.2 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate libfuzzer-sys 0.4.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-88/source/rust-toolchain
[INFO] started tweaking crates.io crate libfuzzer-sys 0.4.2
[INFO] finished tweaking crates.io crate libfuzzer-sys 0.4.2
[INFO] tweaked toml for crates.io crate libfuzzer-sys 0.4.2 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.1
[INFO] [stderr]   Downloaded arbitrary v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a62ff175f48b28f7d5b853346ea166c61ebca2cb4fa8472e85987c1eff84ae54
[INFO] running `Command { std: "docker" "start" "-a" "a62ff175f48b28f7d5b853346ea166c61ebca2cb4fa8472e85987c1eff84ae54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a62ff175f48b28f7d5b853346ea166c61ebca2cb4fa8472e85987c1eff84ae54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a62ff175f48b28f7d5b853346ea166c61ebca2cb4fa8472e85987c1eff84ae54", kill_on_drop: false }`
[INFO] [stdout] a62ff175f48b28f7d5b853346ea166c61ebca2cb4fa8472e85987c1eff84ae54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44b2465ecf1a825ece0638636af35e5df15d59e1190ac5275c531f10e0f1b0bb
[INFO] running `Command { std: "docker" "start" "-a" "44b2465ecf1a825ece0638636af35e5df15d59e1190ac5275c531f10e0f1b0bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking arbitrary v1.0.1
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.38s
[INFO] running `Command { std: "docker" "inspect" "44b2465ecf1a825ece0638636af35e5df15d59e1190ac5275c531f10e0f1b0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b2465ecf1a825ece0638636af35e5df15d59e1190ac5275c531f10e0f1b0bb", kill_on_drop: false }`
[INFO] [stdout] 44b2465ecf1a825ece0638636af35e5df15d59e1190ac5275c531f10e0f1b0bb