[INFO] fetching crate rvs-repl 0.4.1...
[INFO] checking rvs-repl-0.4.1 against beta for pr-78714
[INFO] extracting crate rvs-repl 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rvs-repl 0.4.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rvs-repl 0.4.1
[INFO] finished tweaking crates.io crate rvs-repl 0.4.1
[INFO] tweaked toml for crates.io crate rvs-repl 0.4.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta" "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] 14076527019afea6365e04c777769f2da287cc14315f0986473eaad017f0fe74
[INFO] running `Command { std: "docker" "start" "-a" "14076527019afea6365e04c777769f2da287cc14315f0986473eaad017f0fe74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14076527019afea6365e04c777769f2da287cc14315f0986473eaad017f0fe74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14076527019afea6365e04c777769f2da287cc14315f0986473eaad017f0fe74", kill_on_drop: false }`
[INFO] [stdout] 14076527019afea6365e04c777769f2da287cc14315f0986473eaad017f0fe74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta" "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] 3d9a03141965ab58e38dc51584ed8aa9d161a4cafa0c540cb44ed786fd5c9597
[INFO] running `Command { std: "docker" "start" "-a" "3d9a03141965ab58e38dc51584ed8aa9d161a4cafa0c540cb44ed786fd5c9597", kill_on_drop: false }`
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling rvs-parser v0.4.0
[INFO] [stderr]     Checking rvs v0.4.1
[INFO] [stderr]     Checking rvs-repl v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "3d9a03141965ab58e38dc51584ed8aa9d161a4cafa0c540cb44ed786fd5c9597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9a03141965ab58e38dc51584ed8aa9d161a4cafa0c540cb44ed786fd5c9597", kill_on_drop: false }`
[INFO] [stdout] 3d9a03141965ab58e38dc51584ed8aa9d161a4cafa0c540cb44ed786fd5c9597