[INFO] fetching crate protoc 2.25.1...
[INFO] checking protoc-2.25.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate protoc 2.25.1 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate protoc 2.25.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protoc 2.25.1
[INFO] finished tweaking crates.io crate protoc 2.25.1
[INFO] tweaked toml for crates.io crate protoc 2.25.1 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bc6939a1a5c54e75ba48e2dbeb2c2e63f0108e9f2d53c15a1b46c847058fa37
[INFO] running `Command { std: "docker" "start" "-a" "3bc6939a1a5c54e75ba48e2dbeb2c2e63f0108e9f2d53c15a1b46c847058fa37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bc6939a1a5c54e75ba48e2dbeb2c2e63f0108e9f2d53c15a1b46c847058fa37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc6939a1a5c54e75ba48e2dbeb2c2e63f0108e9f2d53c15a1b46c847058fa37", kill_on_drop: false }`
[INFO] [stdout] 3bc6939a1a5c54e75ba48e2dbeb2c2e63f0108e9f2d53c15a1b46c847058fa37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e66be63d2fb0c25c463ab9da8e2e62ad31e798fd792174222d75fb2f27c08eed
[INFO] running `Command { std: "docker" "start" "-a" "e66be63d2fb0c25c463ab9da8e2e62ad31e798fd792174222d75fb2f27c08eed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]     Checking protoc v2.25.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "e66be63d2fb0c25c463ab9da8e2e62ad31e798fd792174222d75fb2f27c08eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66be63d2fb0c25c463ab9da8e2e62ad31e798fd792174222d75fb2f27c08eed", kill_on_drop: false }`
[INFO] [stdout] e66be63d2fb0c25c463ab9da8e2e62ad31e798fd792174222d75fb2f27c08eed