[INFO] fetching crate varcon-core 2.1.0...
[INFO] testing varcon-core-2.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate varcon-core 2.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate varcon-core 2.1.0 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 varcon-core 2.1.0
[INFO] finished tweaking crates.io crate varcon-core 2.1.0
[INFO] tweaked toml for crates.io crate varcon-core 2.1.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c526df3185b97cd68b7668fc9771e89cb507d7bd500736fe4cdcea28c2a65a83
[INFO] running `Command { std: "docker" "start" "-a" "c526df3185b97cd68b7668fc9771e89cb507d7bd500736fe4cdcea28c2a65a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c526df3185b97cd68b7668fc9771e89cb507d7bd500736fe4cdcea28c2a65a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c526df3185b97cd68b7668fc9771e89cb507d7bd500736fe4cdcea28c2a65a83", kill_on_drop: false }`
[INFO] [stdout] c526df3185b97cd68b7668fc9771e89cb507d7bd500736fe4cdcea28c2a65a83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] df693d0d51238e877bf183874aa722607a4441c603bae44e21142f99f4324899
[INFO] running `Command { std: "docker" "start" "-a" "df693d0d51238e877bf183874aa722607a4441c603bae44e21142f99f4324899", kill_on_drop: false }`
[INFO] [stderr]    Compiling varcon-core v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "df693d0d51238e877bf183874aa722607a4441c603bae44e21142f99f4324899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df693d0d51238e877bf183874aa722607a4441c603bae44e21142f99f4324899", kill_on_drop: false }`
[INFO] [stdout] df693d0d51238e877bf183874aa722607a4441c603bae44e21142f99f4324899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 938c482bfdcdb6978fc2093a8e64e6c5551f1ae5ae1545e4676d398cc4a0d3e8
[INFO] running `Command { std: "docker" "start" "-a" "938c482bfdcdb6978fc2093a8e64e6c5551f1ae5ae1545e4676d398cc4a0d3e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling varcon-core v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "938c482bfdcdb6978fc2093a8e64e6c5551f1ae5ae1545e4676d398cc4a0d3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938c482bfdcdb6978fc2093a8e64e6c5551f1ae5ae1545e4676d398cc4a0d3e8", kill_on_drop: false }`
[INFO] [stdout] 938c482bfdcdb6978fc2093a8e64e6c5551f1ae5ae1545e4676d398cc4a0d3e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2cf0ce8f0d5ec538498f834e88ba07d52134153e28bcd590ae72babab89dbde8
[INFO] running `Command { std: "docker" "start" "-a" "2cf0ce8f0d5ec538498f834e88ba07d52134153e28bcd590ae72babab89dbde8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/varcon_core-6453ded1ea43a9a5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests varcon-core
[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] [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" "2cf0ce8f0d5ec538498f834e88ba07d52134153e28bcd590ae72babab89dbde8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf0ce8f0d5ec538498f834e88ba07d52134153e28bcd590ae72babab89dbde8", kill_on_drop: false }`
[INFO] [stdout] 2cf0ce8f0d5ec538498f834e88ba07d52134153e28bcd590ae72babab89dbde8