[INFO] fetching crate synfuzz-antlr4 0.0.0...
[INFO] testing synfuzz-antlr4-0.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate synfuzz-antlr4 0.0.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate synfuzz-antlr4 0.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 686ed74466de55694399675619951c42a6b1ea23f1559a8dce23204c68445c06
[INFO] running `Command { std: "docker" "start" "-a" "686ed74466de55694399675619951c42a6b1ea23f1559a8dce23204c68445c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "686ed74466de55694399675619951c42a6b1ea23f1559a8dce23204c68445c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686ed74466de55694399675619951c42a6b1ea23f1559a8dce23204c68445c06", kill_on_drop: false }`
[INFO] [stdout] 686ed74466de55694399675619951c42a6b1ea23f1559a8dce23204c68445c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46a0253acb473ea95fad5e9732ed84de931d1ca6d85220083546923ce6fc4aa7
[INFO] running `Command { std: "docker" "start" "-a" "46a0253acb473ea95fad5e9732ed84de931d1ca6d85220083546923ce6fc4aa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling synfuzz-antlr4 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "46a0253acb473ea95fad5e9732ed84de931d1ca6d85220083546923ce6fc4aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a0253acb473ea95fad5e9732ed84de931d1ca6d85220083546923ce6fc4aa7", kill_on_drop: false }`
[INFO] [stdout] 46a0253acb473ea95fad5e9732ed84de931d1ca6d85220083546923ce6fc4aa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2110462286f0e6b4b6b57c2d7c49b2b077b0a18c47329a8a203f83624aac51d5
[INFO] running `Command { std: "docker" "start" "-a" "2110462286f0e6b4b6b57c2d7c49b2b077b0a18c47329a8a203f83624aac51d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling synfuzz-antlr4 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "2110462286f0e6b4b6b57c2d7c49b2b077b0a18c47329a8a203f83624aac51d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2110462286f0e6b4b6b57c2d7c49b2b077b0a18c47329a8a203f83624aac51d5", kill_on_drop: false }`
[INFO] [stdout] 2110462286f0e6b4b6b57c2d7c49b2b077b0a18c47329a8a203f83624aac51d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5adace57fe767929865f2941a4e517cebfce2fcd674f9bfd4f91a25e3bf7a98
[INFO] running `Command { std: "docker" "start" "-a" "f5adace57fe767929865f2941a4e517cebfce2fcd674f9bfd4f91a25e3bf7a98", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/synfuzz_antlr4-1c76ae96647ef4b4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests synfuzz-antlr4
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5adace57fe767929865f2941a4e517cebfce2fcd674f9bfd4f91a25e3bf7a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5adace57fe767929865f2941a4e517cebfce2fcd674f9bfd4f91a25e3bf7a98", kill_on_drop: false }`
[INFO] [stdout] f5adace57fe767929865f2941a4e517cebfce2fcd674f9bfd4f91a25e3bf7a98