[INFO] fetching crate rtx 0.1.0...
[INFO] testing rtx-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rtx 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rtx 0.1.0
[INFO] finished tweaking crates.io crate rtx 0.1.0
[INFO] tweaked toml for crates.io crate rtx 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtx 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 107 packages to latest compatible versions
[INFO] [stderr]       Adding async-io v1.13.0 (available: v2.6.0)
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fcdf65e7578adf5878da443a4d45a26c5fd0a3b1f1f68d3714bea089ae760bab
[INFO] running `Command { std: "docker" "start" "-a" "fcdf65e7578adf5878da443a4d45a26c5fd0a3b1f1f68d3714bea089ae760bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcdf65e7578adf5878da443a4d45a26c5fd0a3b1f1f68d3714bea089ae760bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdf65e7578adf5878da443a4d45a26c5fd0a3b1f1f68d3714bea089ae760bab", kill_on_drop: false }`
[INFO] [stdout] fcdf65e7578adf5878da443a4d45a26c5fd0a3b1f1f68d3714bea089ae760bab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6eb8ac3a862eaf7ac7b85c5e7283ecd77f48a950b36876b6d40a515f7673c3be
[INFO] running `Command { std: "docker" "start" "-a" "6eb8ac3a862eaf7ac7b85c5e7283ecd77f48a950b36876b6d40a515f7673c3be", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "6eb8ac3a862eaf7ac7b85c5e7283ecd77f48a950b36876b6d40a515f7673c3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb8ac3a862eaf7ac7b85c5e7283ecd77f48a950b36876b6d40a515f7673c3be", kill_on_drop: false }`
[INFO] [stdout] 6eb8ac3a862eaf7ac7b85c5e7283ecd77f48a950b36876b6d40a515f7673c3be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 51dd06cf08b978b08724953b7db830dd96dd47e8387e4dc9c4ede5267f5d759b
[INFO] running `Command { std: "docker" "start" "-a" "51dd06cf08b978b08724953b7db830dd96dd47e8387e4dc9c4ede5267f5d759b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "51dd06cf08b978b08724953b7db830dd96dd47e8387e4dc9c4ede5267f5d759b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51dd06cf08b978b08724953b7db830dd96dd47e8387e4dc9c4ede5267f5d759b", kill_on_drop: false }`
[INFO] [stdout] 51dd06cf08b978b08724953b7db830dd96dd47e8387e4dc9c4ede5267f5d759b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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", kill_on_drop: false }`
[INFO] [stdout] 59e40d2a5d680d461f652af3b3ba909396cab676c310e830d419d2b96084245a
[INFO] running `Command { std: "docker" "start" "-a" "59e40d2a5d680d461f652af3b3ba909396cab676c310e830d419d2b96084245a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rtx-77981355733a9fac)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rtx
[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] [stderr] error[E0432]: unresolved import `futures_io`
[INFO] [stderr]   --> src/io.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub use futures_io::AsyncRead;
[INFO] [stderr]    |         ^^^^^^^^^^ use of unresolved module or unlinked crate `futures_io`
[INFO] [stderr]    |
[INFO] [stderr]    = help: if you wanted to use a crate named `futures_io`, use `cargo add futures_io` to add it to your `Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `futures_io`
[INFO] [stderr]   --> src/io.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub use futures_io::AsyncWrite;
[INFO] [stderr]    |         ^^^^^^^^^^ use of unresolved module or unlinked crate `futures_io`
[INFO] [stderr]    |
[INFO] [stderr]    = help: if you wanted to use a crate named `futures_io`, use `cargo add futures_io` to add it to your `Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --color auto --crate-name rtx --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-0cffc5d959d0b16f.rlib --extern rtx=/opt/rustwide/target/debug/deps/librtx-e874696165a4e7db.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-5cdc21786420a6a9.rlib -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("async", "async-io", "async-std", "async-std_", "blocking", "default", "futures-core", "futures-io", "futures-util", "tokio", "tokio_"))' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "59e40d2a5d680d461f652af3b3ba909396cab676c310e830d419d2b96084245a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e40d2a5d680d461f652af3b3ba909396cab676c310e830d419d2b96084245a", kill_on_drop: false }`
[INFO] [stdout] 59e40d2a5d680d461f652af3b3ba909396cab676c310e830d419d2b96084245a