[INFO] fetching crate superposition 0.1.0...
[INFO] testing superposition-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate superposition 0.1.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate superposition 0.1.0 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 superposition 0.1.0
[INFO] finished tweaking crates.io crate superposition 0.1.0
[INFO] tweaked toml for crates.io crate superposition 0.1.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] f62be32bfe10a44203090b151924848b9b51015095f5d582905a6a4ea83ce84b
[INFO] running `Command { std: "docker" "start" "-a" "f62be32bfe10a44203090b151924848b9b51015095f5d582905a6a4ea83ce84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f62be32bfe10a44203090b151924848b9b51015095f5d582905a6a4ea83ce84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f62be32bfe10a44203090b151924848b9b51015095f5d582905a6a4ea83ce84b", kill_on_drop: false }`
[INFO] [stdout] f62be32bfe10a44203090b151924848b9b51015095f5d582905a6a4ea83ce84b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 941c0f202929ca30d02b80579269f7cc38d0cbb486a5bef144887dc8f6ab6666
[INFO] running `Command { std: "docker" "start" "-a" "941c0f202929ca30d02b80579269f7cc38d0cbb486a5bef144887dc8f6ab6666", kill_on_drop: false }`
[INFO] [stderr]    Compiling superposition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "941c0f202929ca30d02b80579269f7cc38d0cbb486a5bef144887dc8f6ab6666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941c0f202929ca30d02b80579269f7cc38d0cbb486a5bef144887dc8f6ab6666", kill_on_drop: false }`
[INFO] [stdout] 941c0f202929ca30d02b80579269f7cc38d0cbb486a5bef144887dc8f6ab6666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 48fa7360f3f90b800083c33803c19d8df2e51a49eb6f7370017e6b93dbf152a3
[INFO] running `Command { std: "docker" "start" "-a" "48fa7360f3f90b800083c33803c19d8df2e51a49eb6f7370017e6b93dbf152a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling superposition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "48fa7360f3f90b800083c33803c19d8df2e51a49eb6f7370017e6b93dbf152a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48fa7360f3f90b800083c33803c19d8df2e51a49eb6f7370017e6b93dbf152a3", kill_on_drop: false }`
[INFO] [stdout] 48fa7360f3f90b800083c33803c19d8df2e51a49eb6f7370017e6b93dbf152a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 98eb73499fd23ea25be34fdc6f6515a57822d6062a9612f8a859856b89a6ad40
[INFO] running `Command { std: "docker" "start" "-a" "98eb73499fd23ea25be34fdc6f6515a57822d6062a9612f8a859856b89a6ad40", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/superposition-34439260927f04b3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests superposition
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "98eb73499fd23ea25be34fdc6f6515a57822d6062a9612f8a859856b89a6ad40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98eb73499fd23ea25be34fdc6f6515a57822d6062a9612f8a859856b89a6ad40", kill_on_drop: false }`
[INFO] [stdout] 98eb73499fd23ea25be34fdc6f6515a57822d6062a9612f8a859856b89a6ad40