[INFO] fetching crate msgrpc 0.1.0...
[INFO] checking msgrpc-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate msgrpc 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate msgrpc 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msgrpc 0.1.0
[INFO] finished tweaking crates.io crate msgrpc 0.1.0
[INFO] tweaked toml for crates.io crate msgrpc 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding crc v1.8.1 (latest: v3.2.1)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (latest: v0.8.20)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding rmp-serde v0.14.4 (latest: v1.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2527100af9e41df930148c07d60b70859c9824ea01703f79c6c55dcb95a263f6
[INFO] running `Command { std: "docker" "start" "-a" "2527100af9e41df930148c07d60b70859c9824ea01703f79c6c55dcb95a263f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2527100af9e41df930148c07d60b70859c9824ea01703f79c6c55dcb95a263f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2527100af9e41df930148c07d60b70859c9824ea01703f79c6c55dcb95a263f6", kill_on_drop: false }`
[INFO] [stdout] 2527100af9e41df930148c07d60b70859c9824ea01703f79c6c55dcb95a263f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 246a03aa6859ac214d58c9038d3182e2d2f134aab5729c22eecd0f0f7aa967cc
[INFO] running `Command { std: "docker" "start" "-a" "246a03aa6859ac214d58c9038d3182e2d2f134aab5729c22eecd0f0f7aa967cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.7
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking msgrpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "246a03aa6859ac214d58c9038d3182e2d2f134aab5729c22eecd0f0f7aa967cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246a03aa6859ac214d58c9038d3182e2d2f134aab5729c22eecd0f0f7aa967cc", kill_on_drop: false }`
[INFO] [stdout] 246a03aa6859ac214d58c9038d3182e2d2f134aab5729c22eecd0f0f7aa967cc