[INFO] fetching crate dwt 0.5.2...
[INFO] checking dwt-0.5.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate dwt 0.5.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dwt 0.5.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dwt 0.5.2
[INFO] finished tweaking crates.io crate dwt 0.5.2
[INFO] tweaked toml for crates.io crate dwt 0.5.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b7694a6054b2d24b2f6f37821f9304a7142139152415ae8e15a055b894779e0
[INFO] running `Command { std: "docker" "start" "-a" "2b7694a6054b2d24b2f6f37821f9304a7142139152415ae8e15a055b894779e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b7694a6054b2d24b2f6f37821f9304a7142139152415ae8e15a055b894779e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7694a6054b2d24b2f6f37821f9304a7142139152415ae8e15a055b894779e0", kill_on_drop: false }`
[INFO] [stdout] 2b7694a6054b2d24b2f6f37821f9304a7142139152415ae8e15a055b894779e0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8493252490b1bb7f23ca39b995db2dcae32eb5794068caa8c2483e0d7428e859
[INFO] running `Command { std: "docker" "start" "-a" "8493252490b1bb7f23ca39b995db2dcae32eb5794068caa8c2483e0d7428e859", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking dwt v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "8493252490b1bb7f23ca39b995db2dcae32eb5794068caa8c2483e0d7428e859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8493252490b1bb7f23ca39b995db2dcae32eb5794068caa8c2483e0d7428e859", kill_on_drop: false }`
[INFO] [stdout] 8493252490b1bb7f23ca39b995db2dcae32eb5794068caa8c2483e0d7428e859