[INFO] fetching crate slipper 0.0.1...
[INFO] testing slipper-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate slipper 0.0.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate slipper 0.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-16/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a05be773e2eb1b603cfa80b2d25e8a6d7c1e511bcd57a24391a7eb061d0224ee
[INFO] running `Command { std: "docker" "start" "-a" "a05be773e2eb1b603cfa80b2d25e8a6d7c1e511bcd57a24391a7eb061d0224ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a05be773e2eb1b603cfa80b2d25e8a6d7c1e511bcd57a24391a7eb061d0224ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05be773e2eb1b603cfa80b2d25e8a6d7c1e511bcd57a24391a7eb061d0224ee", kill_on_drop: false }`
[INFO] [stdout] a05be773e2eb1b603cfa80b2d25e8a6d7c1e511bcd57a24391a7eb061d0224ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f6d8877a0ca38db0db1e34de16e5647020002f5b636d670cccaf553d9e94afd
[INFO] running `Command { std: "docker" "start" "-a" "6f6d8877a0ca38db0db1e34de16e5647020002f5b636d670cccaf553d9e94afd", kill_on_drop: false }`
[INFO] [stderr]    Compiling slipper v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "6f6d8877a0ca38db0db1e34de16e5647020002f5b636d670cccaf553d9e94afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f6d8877a0ca38db0db1e34de16e5647020002f5b636d670cccaf553d9e94afd", kill_on_drop: false }`
[INFO] [stdout] 6f6d8877a0ca38db0db1e34de16e5647020002f5b636d670cccaf553d9e94afd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa05b509ec374b7c8209e14cb217949ca796b824e3382e6d5f8f4c3abadf4606
[INFO] running `Command { std: "docker" "start" "-a" "fa05b509ec374b7c8209e14cb217949ca796b824e3382e6d5f8f4c3abadf4606", kill_on_drop: false }`
[INFO] [stderr]    Compiling slipper v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "fa05b509ec374b7c8209e14cb217949ca796b824e3382e6d5f8f4c3abadf4606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa05b509ec374b7c8209e14cb217949ca796b824e3382e6d5f8f4c3abadf4606", kill_on_drop: false }`
[INFO] [stdout] fa05b509ec374b7c8209e14cb217949ca796b824e3382e6d5f8f4c3abadf4606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a42918a25dcd97bb9f0d099402bd4749e64475fc1efc9fa531f0b8d572b2e411
[INFO] running `Command { std: "docker" "start" "-a" "a42918a25dcd97bb9f0d099402bd4749e64475fc1efc9fa531f0b8d572b2e411", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slipper-6065c09f73edc32a)
[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" "a42918a25dcd97bb9f0d099402bd4749e64475fc1efc9fa531f0b8d572b2e411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a42918a25dcd97bb9f0d099402bd4749e64475fc1efc9fa531f0b8d572b2e411", kill_on_drop: false }`
[INFO] [stdout] a42918a25dcd97bb9f0d099402bd4749e64475fc1efc9fa531f0b8d572b2e411