[INFO] fetching crate flatfs 0.2.1...
[INFO] testing flatfs-0.2.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate flatfs 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate flatfs 0.2.1
[INFO] finished tweaking crates.io crate flatfs 0.2.1
[INFO] tweaked toml for crates.io crate flatfs 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatfs 0.2.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92960e3a4b9d179db66386b2b1e598fbafc9a4a591f99ffb297f546a5ea48bd2
[INFO] running `Command { std: "docker" "start" "-a" "92960e3a4b9d179db66386b2b1e598fbafc9a4a591f99ffb297f546a5ea48bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92960e3a4b9d179db66386b2b1e598fbafc9a4a591f99ffb297f546a5ea48bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92960e3a4b9d179db66386b2b1e598fbafc9a4a591f99ffb297f546a5ea48bd2", kill_on_drop: false }`
[INFO] [stdout] 92960e3a4b9d179db66386b2b1e598fbafc9a4a591f99ffb297f546a5ea48bd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5a5a2625b3ffaf38f7100379c4b447d0c8ecb29945aec185ef7229621b8dd66
[INFO] running `Command { std: "docker" "start" "-a" "e5a5a2625b3ffaf38f7100379c4b447d0c8ecb29945aec185ef7229621b8dd66", kill_on_drop: false }`
[INFO] [stderr]    Compiling flatfs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "e5a5a2625b3ffaf38f7100379c4b447d0c8ecb29945aec185ef7229621b8dd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a5a2625b3ffaf38f7100379c4b447d0c8ecb29945aec185ef7229621b8dd66", kill_on_drop: false }`
[INFO] [stdout] e5a5a2625b3ffaf38f7100379c4b447d0c8ecb29945aec185ef7229621b8dd66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 124ee391e64975475f734c5dcaea1f7bae2623e4f990e86940af34bfd92f06b0
[INFO] running `Command { std: "docker" "start" "-a" "124ee391e64975475f734c5dcaea1f7bae2623e4f990e86940af34bfd92f06b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling flatfs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0609]: no field `name` on type `Dir<'_>`
[INFO] [stdout]    --> src/lib.rs:264:25
[INFO] [stdout]     |
[INFO] [stdout] 264 |     assert_eq!(root_dir.name, "/");
[INFO] [stdout]     |                         ^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `filename`, `path`, `subdirs`, `files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0609`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flatfs` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "124ee391e64975475f734c5dcaea1f7bae2623e4f990e86940af34bfd92f06b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124ee391e64975475f734c5dcaea1f7bae2623e4f990e86940af34bfd92f06b0", kill_on_drop: false }`
[INFO] [stdout] 124ee391e64975475f734c5dcaea1f7bae2623e4f990e86940af34bfd92f06b0