[INFO] fetching crate dune-studio 0.0.0...
[INFO] testing dune-studio-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dune-studio 0.0.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate dune-studio 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dune-studio 0.0.0
[INFO] finished tweaking crates.io crate dune-studio 0.0.0
[INFO] tweaked toml for crates.io crate dune-studio 0.0.0 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4ef6d2eab432ce8b399c89db88faa860696bf6efb446fdf2d8b7c2f8d7be328
[INFO] running `Command { std: "docker" "start" "-a" "b4ef6d2eab432ce8b399c89db88faa860696bf6efb446fdf2d8b7c2f8d7be328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4ef6d2eab432ce8b399c89db88faa860696bf6efb446fdf2d8b7c2f8d7be328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ef6d2eab432ce8b399c89db88faa860696bf6efb446fdf2d8b7c2f8d7be328", kill_on_drop: false }`
[INFO] [stdout] b4ef6d2eab432ce8b399c89db88faa860696bf6efb446fdf2d8b7c2f8d7be328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31faefcf7468bfb52e1378940268bfd583426810fc67ff263e12cc0f74d6a349
[INFO] running `Command { std: "docker" "start" "-a" "31faefcf7468bfb52e1378940268bfd583426810fc67ff263e12cc0f74d6a349", kill_on_drop: false }`
[INFO] [stderr]    Compiling dune-studio v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "31faefcf7468bfb52e1378940268bfd583426810fc67ff263e12cc0f74d6a349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31faefcf7468bfb52e1378940268bfd583426810fc67ff263e12cc0f74d6a349", kill_on_drop: false }`
[INFO] [stdout] 31faefcf7468bfb52e1378940268bfd583426810fc67ff263e12cc0f74d6a349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c491a391f8a9083211a943a68ab392129ed788fc5a48b6d68a2622756f7793a0
[INFO] running `Command { std: "docker" "start" "-a" "c491a391f8a9083211a943a68ab392129ed788fc5a48b6d68a2622756f7793a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling dune-studio v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "c491a391f8a9083211a943a68ab392129ed788fc5a48b6d68a2622756f7793a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c491a391f8a9083211a943a68ab392129ed788fc5a48b6d68a2622756f7793a0", kill_on_drop: false }`
[INFO] [stdout] c491a391f8a9083211a943a68ab392129ed788fc5a48b6d68a2622756f7793a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34f41648d5bb687c6938452f91819ef67510f6bdceab349eb6bd4d804b1fbdde
[INFO] running `Command { std: "docker" "start" "-a" "34f41648d5bb687c6938452f91819ef67510f6bdceab349eb6bd4d804b1fbdde", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dune_studio-9193080015658fc2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dune-studio
[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] [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" "34f41648d5bb687c6938452f91819ef67510f6bdceab349eb6bd4d804b1fbdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f41648d5bb687c6938452f91819ef67510f6bdceab349eb6bd4d804b1fbdde", kill_on_drop: false }`
[INFO] [stdout] 34f41648d5bb687c6938452f91819ef67510f6bdceab349eb6bd4d804b1fbdde