[INFO] fetching crate protoc-bin-vendored 2.18.0...
[INFO] checking protoc-bin-vendored-2.18.0 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate protoc-bin-vendored 2.18.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate protoc-bin-vendored 2.18.0 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protoc-bin-vendored 2.18.0
[INFO] finished tweaking crates.io crate protoc-bin-vendored 2.18.0
[INFO] tweaked toml for crates.io crate protoc-bin-vendored 2.18.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate protoc-bin-vendored 2.18.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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] b60c6f2353a4a4280bc4620fd02b05c9c06840ff14af0c62f01ae8db08a23a90
[INFO] running `Command { std: "docker" "start" "-a" "b60c6f2353a4a4280bc4620fd02b05c9c06840ff14af0c62f01ae8db08a23a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b60c6f2353a4a4280bc4620fd02b05c9c06840ff14af0c62f01ae8db08a23a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60c6f2353a4a4280bc4620fd02b05c9c06840ff14af0c62f01ae8db08a23a90", kill_on_drop: false }`
[INFO] [stdout] b60c6f2353a4a4280bc4620fd02b05c9c06840ff14af0c62f01ae8db08a23a90
[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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e43c1b0ce810e2c81486c83106b4cc218df2ffbd30e181b635bb14f8bc3c1cca
[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" "e43c1b0ce810e2c81486c83106b4cc218df2ffbd30e181b635bb14f8bc3c1cca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking protoc-bin-vendored v2.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking protoc v2.18.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.06s
[INFO] running `Command { std: "docker" "inspect" "e43c1b0ce810e2c81486c83106b4cc218df2ffbd30e181b635bb14f8bc3c1cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43c1b0ce810e2c81486c83106b4cc218df2ffbd30e181b635bb14f8bc3c1cca", kill_on_drop: false }`
[INFO] [stdout] e43c1b0ce810e2c81486c83106b4cc218df2ffbd30e181b635bb14f8bc3c1cca