[INFO] fetching crate slipper 0.0.1...
[INFO] testing slipper-0.0.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate slipper 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate slipper 0.0.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slipper 0.0.1
[INFO] finished tweaking crates.io crate slipper 0.0.1
[INFO] tweaked toml for crates.io crate slipper 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate slipper 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb6eed9f8ba4a57e3ff768a128a70898ba0aff161ec11d5929d2a97bb71effa9
[INFO] running `Command { std: "docker" "start" "-a" "cb6eed9f8ba4a57e3ff768a128a70898ba0aff161ec11d5929d2a97bb71effa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6eed9f8ba4a57e3ff768a128a70898ba0aff161ec11d5929d2a97bb71effa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6eed9f8ba4a57e3ff768a128a70898ba0aff161ec11d5929d2a97bb71effa9", kill_on_drop: false }`
[INFO] [stdout] cb6eed9f8ba4a57e3ff768a128a70898ba0aff161ec11d5929d2a97bb71effa9
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5ef2184f317bf6d82e31bf86619ee628fe85bb75fc0869b32d3e6c118de9778
[INFO] running `Command { std: "docker" "start" "-a" "b5ef2184f317bf6d82e31bf86619ee628fe85bb75fc0869b32d3e6c118de9778", kill_on_drop: false }`
[INFO] [stderr]    Compiling slipper v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "b5ef2184f317bf6d82e31bf86619ee628fe85bb75fc0869b32d3e6c118de9778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ef2184f317bf6d82e31bf86619ee628fe85bb75fc0869b32d3e6c118de9778", kill_on_drop: false }`
[INFO] [stdout] b5ef2184f317bf6d82e31bf86619ee628fe85bb75fc0869b32d3e6c118de9778
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 434fc0375c00ca8a6a98806ea36895387790adff469439b7135c25d174fbe6bc
[INFO] running `Command { std: "docker" "start" "-a" "434fc0375c00ca8a6a98806ea36895387790adff469439b7135c25d174fbe6bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling slipper v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "434fc0375c00ca8a6a98806ea36895387790adff469439b7135c25d174fbe6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434fc0375c00ca8a6a98806ea36895387790adff469439b7135c25d174fbe6bc", kill_on_drop: false }`
[INFO] [stdout] 434fc0375c00ca8a6a98806ea36895387790adff469439b7135c25d174fbe6bc
[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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7bb179204f0096b2767dd09158eb472744c64bb138d42f931d82253778062db
[INFO] running `Command { std: "docker" "start" "-a" "e7bb179204f0096b2767dd09158eb472744c64bb138d42f931d82253778062db", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slipper-e9c71631e8eb470e)
[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" "e7bb179204f0096b2767dd09158eb472744c64bb138d42f931d82253778062db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7bb179204f0096b2767dd09158eb472744c64bb138d42f931d82253778062db", kill_on_drop: false }`
[INFO] [stdout] e7bb179204f0096b2767dd09158eb472744c64bb138d42f931d82253778062db