[INFO] fetching crate empty 0.0.4...
[INFO] testing empty-0.0.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate empty 0.0.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate empty 0.0.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate empty 0.0.4
[INFO] finished tweaking crates.io crate empty 0.0.4
[INFO] tweaked toml for crates.io crate empty 0.0.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a7837bd398967219ac53ba219a08fa49c4c10380f1156bf9685a9f8efc793d7
[INFO] running `Command { std: "docker" "start" "-a" "8a7837bd398967219ac53ba219a08fa49c4c10380f1156bf9685a9f8efc793d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a7837bd398967219ac53ba219a08fa49c4c10380f1156bf9685a9f8efc793d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7837bd398967219ac53ba219a08fa49c4c10380f1156bf9685a9f8efc793d7", kill_on_drop: false }`
[INFO] [stdout] 8a7837bd398967219ac53ba219a08fa49c4c10380f1156bf9685a9f8efc793d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a65ddedd03d83ecf4eb17cb562eea86f169014771b119570a28259463d6f68d
[INFO] running `Command { std: "docker" "start" "-a" "9a65ddedd03d83ecf4eb17cb562eea86f169014771b119570a28259463d6f68d", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling empty v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "9a65ddedd03d83ecf4eb17cb562eea86f169014771b119570a28259463d6f68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a65ddedd03d83ecf4eb17cb562eea86f169014771b119570a28259463d6f68d", kill_on_drop: false }`
[INFO] [stdout] 9a65ddedd03d83ecf4eb17cb562eea86f169014771b119570a28259463d6f68d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17a9117db27bd574a9253c569df0f33ca81cf8732192c78324e4b36dad6d97f8
[INFO] running `Command { std: "docker" "start" "-a" "17a9117db27bd574a9253c569df0f33ca81cf8732192c78324e4b36dad6d97f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "17a9117db27bd574a9253c569df0f33ca81cf8732192c78324e4b36dad6d97f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a9117db27bd574a9253c569df0f33ca81cf8732192c78324e4b36dad6d97f8", kill_on_drop: false }`
[INFO] [stdout] 17a9117db27bd574a9253c569df0f33ca81cf8732192c78324e4b36dad6d97f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c68eb46018a3f1457ff569c22f62d714e6204d0efe3f0e585ea5a50f2702d90f
[INFO] running `Command { std: "docker" "start" "-a" "c68eb46018a3f1457ff569c22f62d714e6204d0efe3f0e585ea5a50f2702d90f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/empty-3ecbd9d373a6ff21)
[INFO] [stdout] test test::it_works ... ok
[INFO] [stderr]    Doc-tests empty
[INFO] [stdout] test test::it_works_iterator ... ok
[INFO] [stdout] test test::len ... ok
[INFO] [stdout] test test::it_works_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "c68eb46018a3f1457ff569c22f62d714e6204d0efe3f0e585ea5a50f2702d90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68eb46018a3f1457ff569c22f62d714e6204d0efe3f0e585ea5a50f2702d90f", kill_on_drop: false }`
[INFO] [stdout] c68eb46018a3f1457ff569c22f62d714e6204d0efe3f0e585ea5a50f2702d90f