[INFO] fetching crate crabwise-antlr-parser 0.1.2...
[INFO] checking crabwise-antlr-parser-0.1.2 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate crabwise-antlr-parser 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate crabwise-antlr-parser 0.1.2 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crabwise-antlr-parser 0.1.2
[INFO] finished tweaking crates.io crate crabwise-antlr-parser 0.1.2
[INFO] tweaked toml for crates.io crate crabwise-antlr-parser 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine-proc-macro v0.3.1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1558161575d9ed2509b37ccc5f23c7e20acc0ebcd3a7e7bb12f1236b0cb55b81
[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" "1558161575d9ed2509b37ccc5f23c7e20acc0ebcd3a7e7bb12f1236b0cb55b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1558161575d9ed2509b37ccc5f23c7e20acc0ebcd3a7e7bb12f1236b0cb55b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1558161575d9ed2509b37ccc5f23c7e20acc0ebcd3a7e7bb12f1236b0cb55b81", kill_on_drop: false }`
[INFO] [stdout] 1558161575d9ed2509b37ccc5f23c7e20acc0ebcd3a7e7bb12f1236b0cb55b81
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d34e20290a4e9d029ad7d4a57b53eec94557cbd92ac6e3c4a91319fba6cc28eb
[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" "d34e20290a4e9d029ad7d4a57b53eec94557cbd92ac6e3c4a91319fba6cc28eb", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking combine-proc-macro v0.3.1
[INFO] [stderr]     Checking crabwise-antlr-parser v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "d34e20290a4e9d029ad7d4a57b53eec94557cbd92ac6e3c4a91319fba6cc28eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34e20290a4e9d029ad7d4a57b53eec94557cbd92ac6e3c4a91319fba6cc28eb", kill_on_drop: false }`
[INFO] [stdout] d34e20290a4e9d029ad7d4a57b53eec94557cbd92ac6e3c4a91319fba6cc28eb