[INFO] fetching crate extern-existential 0.1.2...
[INFO] testing extern-existential-0.1.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate extern-existential 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate extern-existential 0.1.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extern-existential 0.1.2
[INFO] finished tweaking crates.io crate extern-existential 0.1.2
[INFO] tweaked toml for crates.io crate extern-existential 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81b3e4da565d19c67655d2492603b7893eea9d31aa06f7e6515c10c750b36f83
[INFO] running `Command { std: "docker" "start" "-a" "81b3e4da565d19c67655d2492603b7893eea9d31aa06f7e6515c10c750b36f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81b3e4da565d19c67655d2492603b7893eea9d31aa06f7e6515c10c750b36f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b3e4da565d19c67655d2492603b7893eea9d31aa06f7e6515c10c750b36f83", kill_on_drop: false }`
[INFO] [stdout] 81b3e4da565d19c67655d2492603b7893eea9d31aa06f7e6515c10c750b36f83
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9599f11cd4fb22104a1806cfb2ee18f58b446bc027506baba28bb453e4db44c9
[INFO] running `Command { std: "docker" "start" "-a" "9599f11cd4fb22104a1806cfb2ee18f58b446bc027506baba28bb453e4db44c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling extern-existential v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "9599f11cd4fb22104a1806cfb2ee18f58b446bc027506baba28bb453e4db44c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9599f11cd4fb22104a1806cfb2ee18f58b446bc027506baba28bb453e4db44c9", kill_on_drop: false }`
[INFO] [stdout] 9599f11cd4fb22104a1806cfb2ee18f58b446bc027506baba28bb453e4db44c9
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac765ad45bd90955a0244d1c6c17771ddbae3ffb703447af63e623e0e784cd30
[INFO] running `Command { std: "docker" "start" "-a" "ac765ad45bd90955a0244d1c6c17771ddbae3ffb703447af63e623e0e784cd30", kill_on_drop: false }`
[INFO] [stderr]    Compiling extern-existential v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "ac765ad45bd90955a0244d1c6c17771ddbae3ffb703447af63e623e0e784cd30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac765ad45bd90955a0244d1c6c17771ddbae3ffb703447af63e623e0e784cd30", kill_on_drop: false }`
[INFO] [stdout] ac765ad45bd90955a0244d1c6c17771ddbae3ffb703447af63e623e0e784cd30
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 106bbbeff7ab3432e2ae880f0989be9f31d93516b41fed102e9f3ecdb3d9c365
[INFO] running `Command { std: "docker" "start" "-a" "106bbbeff7ab3432e2ae880f0989be9f31d93516b41fed102e9f3ecdb3d9c365", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extern_existential-69d5b4aa4104d6fd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests extern-existential
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "106bbbeff7ab3432e2ae880f0989be9f31d93516b41fed102e9f3ecdb3d9c365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106bbbeff7ab3432e2ae880f0989be9f31d93516b41fed102e9f3ecdb3d9c365", kill_on_drop: false }`
[INFO] [stdout] 106bbbeff7ab3432e2ae880f0989be9f31d93516b41fed102e9f3ecdb3d9c365