[INFO] fetching crate per_test_directory 0.1.0...
[INFO] testing per_test_directory-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate per_test_directory 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate per_test_directory 0.1.0 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 per_test_directory 0.1.0
[INFO] finished tweaking crates.io crate per_test_directory 0.1.0
[INFO] tweaked toml for crates.io crate per_test_directory 0.1.0 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 76579de9041ec3e8f0e858754de7168c234c28a1c056af37a616d4ffb25726d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76579de9041ec3e8f0e858754de7168c234c28a1c056af37a616d4ffb25726d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76579de9041ec3e8f0e858754de7168c234c28a1c056af37a616d4ffb25726d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76579de9041ec3e8f0e858754de7168c234c28a1c056af37a616d4ffb25726d8", kill_on_drop: false }`
[INFO] [stdout] 76579de9041ec3e8f0e858754de7168c234c28a1c056af37a616d4ffb25726d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 59bc23ad1d19c2c45df84de44e33d084010f8f7d8aa69d71a2d407dfa1e092b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "59bc23ad1d19c2c45df84de44e33d084010f8f7d8aa69d71a2d407dfa1e092b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling per_test_directory_macros v0.1.0
[INFO] [stderr]    Compiling per_test_directory v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.97s
[INFO] running `Command { std: "docker" "inspect" "59bc23ad1d19c2c45df84de44e33d084010f8f7d8aa69d71a2d407dfa1e092b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59bc23ad1d19c2c45df84de44e33d084010f8f7d8aa69d71a2d407dfa1e092b5", kill_on_drop: false }`
[INFO] [stdout] 59bc23ad1d19c2c45df84de44e33d084010f8f7d8aa69d71a2d407dfa1e092b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f6b729d6f1bc05611f0c7b9971d0c34d3d9e2c28001cb640f779cd74d90240be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6b729d6f1bc05611f0c7b9971d0c34d3d9e2c28001cb640f779cd74d90240be", kill_on_drop: false }`
[INFO] [stderr]    Compiling per_test_directory v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `per_test_directory`
[INFO] [stdout]   --> src/lib.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             #[per_test_dir]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ not found in `per_test_directory`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `per_test_dir` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 43 |     use crate::PerTestDirectoryFixture;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `per_test_directory` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f6b729d6f1bc05611f0c7b9971d0c34d3d9e2c28001cb640f779cd74d90240be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b729d6f1bc05611f0c7b9971d0c34d3d9e2c28001cb640f779cd74d90240be", kill_on_drop: false }`
[INFO] [stdout] f6b729d6f1bc05611f0c7b9971d0c34d3d9e2c28001cb640f779cd74d90240be