[INFO] fetching crate envcache 0.1.3...
[INFO] checking envcache-0.1.3 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate envcache 0.1.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate envcache 0.1.3 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 envcache 0.1.3
[INFO] finished tweaking crates.io crate envcache 0.1.3
[INFO] tweaked toml for crates.io crate envcache 0.1.3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] f9a893cbfb5164267abb459941b814d8eb0406bf10b137c85fc7f3befed66464
[INFO] running `Command { std: "docker" "start" "-a" "f9a893cbfb5164267abb459941b814d8eb0406bf10b137c85fc7f3befed66464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9a893cbfb5164267abb459941b814d8eb0406bf10b137c85fc7f3befed66464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a893cbfb5164267abb459941b814d8eb0406bf10b137c85fc7f3befed66464", kill_on_drop: false }`
[INFO] [stdout] f9a893cbfb5164267abb459941b814d8eb0406bf10b137c85fc7f3befed66464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d53f01efae573c0206d30960071c27ddc991f27eb64a70290aa178955cb6dc27
[INFO] running `Command { std: "docker" "start" "-a" "d53f01efae573c0206d30960071c27ddc991f27eb64a70290aa178955cb6dc27", kill_on_drop: false }`
[INFO] [stderr]     Checking envcache v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "d53f01efae573c0206d30960071c27ddc991f27eb64a70290aa178955cb6dc27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53f01efae573c0206d30960071c27ddc991f27eb64a70290aa178955cb6dc27", kill_on_drop: false }`
[INFO] [stdout] d53f01efae573c0206d30960071c27ddc991f27eb64a70290aa178955cb6dc27