[INFO] fetching crate synfuzz-antlr4 0.0.0...
[INFO] testing synfuzz-antlr4-0.0.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate synfuzz-antlr4 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate synfuzz-antlr4 0.0.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 755e4cb0f7ee7436df4e744dc9f84f90b77d6de416bb87c1a052156e207bc99a
[INFO] running `Command { std: "docker" "start" "-a" "755e4cb0f7ee7436df4e744dc9f84f90b77d6de416bb87c1a052156e207bc99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "755e4cb0f7ee7436df4e744dc9f84f90b77d6de416bb87c1a052156e207bc99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755e4cb0f7ee7436df4e744dc9f84f90b77d6de416bb87c1a052156e207bc99a", kill_on_drop: false }`
[INFO] [stdout] 755e4cb0f7ee7436df4e744dc9f84f90b77d6de416bb87c1a052156e207bc99a
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e695f1f37fc3dd6f5e38a9e1d535513faeae5c57dfd822fa9fcbcb0b94f7714
[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" "2e695f1f37fc3dd6f5e38a9e1d535513faeae5c57dfd822fa9fcbcb0b94f7714", kill_on_drop: false }`
[INFO] [stderr]    Compiling synfuzz-antlr4 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "2e695f1f37fc3dd6f5e38a9e1d535513faeae5c57dfd822fa9fcbcb0b94f7714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e695f1f37fc3dd6f5e38a9e1d535513faeae5c57dfd822fa9fcbcb0b94f7714", kill_on_drop: false }`
[INFO] [stdout] 2e695f1f37fc3dd6f5e38a9e1d535513faeae5c57dfd822fa9fcbcb0b94f7714
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 018a5401b56ab9542880e5c0ec8e3c810acd54334e1ba0a983d22d0a6e284876
[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" "018a5401b56ab9542880e5c0ec8e3c810acd54334e1ba0a983d22d0a6e284876", kill_on_drop: false }`
[INFO] [stderr]    Compiling synfuzz-antlr4 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "018a5401b56ab9542880e5c0ec8e3c810acd54334e1ba0a983d22d0a6e284876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018a5401b56ab9542880e5c0ec8e3c810acd54334e1ba0a983d22d0a6e284876", kill_on_drop: false }`
[INFO] [stdout] 018a5401b56ab9542880e5c0ec8e3c810acd54334e1ba0a983d22d0a6e284876
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] 6551862a04b1cb4692bd67ace0fe500567c28ff08425dd7e9d9275c1dc1d75ba
[INFO] running `Command { std: "docker" "start" "-a" "6551862a04b1cb4692bd67ace0fe500567c28ff08425dd7e9d9275c1dc1d75ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[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] [stderr]      Running /opt/rustwide/target/debug/deps/synfuzz_antlr4-3df39457f22038b3
[INFO] [stderr]    Doc-tests synfuzz-antlr4
[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" "6551862a04b1cb4692bd67ace0fe500567c28ff08425dd7e9d9275c1dc1d75ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6551862a04b1cb4692bd67ace0fe500567c28ff08425dd7e9d9275c1dc1d75ba", kill_on_drop: false }`
[INFO] [stdout] 6551862a04b1cb4692bd67ace0fe500567c28ff08425dd7e9d9275c1dc1d75ba