[INFO] fetching crate synfuzz-antlr4 0.0.0...
[INFO] checking synfuzz-antlr4-0.0.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate synfuzz-antlr4 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate synfuzz-antlr4 0.0.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synfuzz-antlr4 0.0.0
[INFO] finished tweaking crates.io crate synfuzz-antlr4 0.0.0
[INFO] tweaked toml for crates.io crate synfuzz-antlr4 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 123566dca62bd9e8d94f68489562ae3064c96334ed3fe92b6dab07123ae5c8e5
[INFO] running `Command { std: "docker" "start" "-a" "123566dca62bd9e8d94f68489562ae3064c96334ed3fe92b6dab07123ae5c8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "123566dca62bd9e8d94f68489562ae3064c96334ed3fe92b6dab07123ae5c8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123566dca62bd9e8d94f68489562ae3064c96334ed3fe92b6dab07123ae5c8e5", kill_on_drop: false }`
[INFO] [stdout] 123566dca62bd9e8d94f68489562ae3064c96334ed3fe92b6dab07123ae5c8e5
[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=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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] f9cdbfbc412f2d0e218c78931fca7e8e53ac3f51122c244449132b536416812a
[INFO] running `Command { std: "docker" "start" "-a" "f9cdbfbc412f2d0e218c78931fca7e8e53ac3f51122c244449132b536416812a", kill_on_drop: false }`
[INFO] [stderr]     Checking synfuzz-antlr4 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "f9cdbfbc412f2d0e218c78931fca7e8e53ac3f51122c244449132b536416812a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cdbfbc412f2d0e218c78931fca7e8e53ac3f51122c244449132b536416812a", kill_on_drop: false }`
[INFO] [stdout] f9cdbfbc412f2d0e218c78931fca7e8e53ac3f51122c244449132b536416812a