[INFO] fetching crate protocol 3.1.9...
[INFO] checking protocol-3.1.9 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate protocol 3.1.9 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate protocol 3.1.9 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protocol 3.1.9
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate protocol 3.1.9
[INFO] tweaked toml for crates.io crate protocol 3.1.9 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate protocol 3.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b3d44f8d46c835e618292766fd88a570e5572b6da133572fb58d84ba106e231
[INFO] running `Command { std: "docker" "start" "-a" "3b3d44f8d46c835e618292766fd88a570e5572b6da133572fb58d84ba106e231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b3d44f8d46c835e618292766fd88a570e5572b6da133572fb58d84ba106e231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3d44f8d46c835e618292766fd88a570e5572b6da133572fb58d84ba106e231", kill_on_drop: false }`
[INFO] [stdout] 3b3d44f8d46c835e618292766fd88a570e5572b6da133572fb58d84ba106e231
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de3170b7698256cd7e16fe33696f7655678e883d1ef616e704bf9fb424915c12
[INFO] running `Command { std: "docker" "start" "-a" "de3170b7698256cd7e16fe33696f7655678e883d1ef616e704bf9fb424915c12", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking protocol v3.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling protocol-derive v3.1.9
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "de3170b7698256cd7e16fe33696f7655678e883d1ef616e704bf9fb424915c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3170b7698256cd7e16fe33696f7655678e883d1ef616e704bf9fb424915c12", kill_on_drop: false }`
[INFO] [stdout] de3170b7698256cd7e16fe33696f7655678e883d1ef616e704bf9fb424915c12