[INFO] fetching crate async-borrow 0.2.1...
[INFO] testing async-borrow-0.2.1 against 1.98.0-beta.8 for beta-1.99-5
[INFO] extracting crate async-borrow 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate async-borrow 0.2.1
[INFO] finished tweaking crates.io crate async-borrow 0.2.1
[INFO] tweaked toml for crates.io crate async-borrow 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-borrow 0.2.1 on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "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" "+1.98.0-beta.8" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding tokio-macros v1.8.2 (available: v2.7.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-io v0.3.34
[INFO] [stderr]   Downloaded futures-core v0.3.34
[INFO] [stderr]   Downloaded futures-task v0.3.34
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded tokio-macros v2.7.2
[INFO] [stderr]   Downloaded futures-macro v0.3.34
[INFO] [stderr]   Downloaded futures-sink v0.3.34
[INFO] [stderr]   Downloaded slab v0.4.12
[INFO] [stderr]   Downloaded futures-executor v0.3.34
[INFO] [stderr]   Downloaded pin-project-lite v0.2.17
[INFO] [stderr]   Downloaded futures-channel v0.3.34
[INFO] [stderr]   Downloaded futures v0.3.34
[INFO] [stderr]   Downloaded syn v1.0.109
[INFO] [stderr]   Downloaded futures-util v0.3.34
[INFO] [stderr]   Downloaded syn v3.0.4
[INFO] [stderr]   Downloaded tokio v1.53.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac
[INFO] running `Command { std: "docker" "start" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling futures-io v0.3.34
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling futures v0.3.34
[INFO] [stderr]    Compiling async-borrow v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling async-borrow v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.15s
[INFO] running `Command { std: "docker" "inspect" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_borrow-6fe1bdce6bf9db95)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test slice::test::test_window_clusters_mut ... ok
[INFO] [stdout] test test::context_test ... ok
[INFO] [stdout] test slice::test::test_split ... ok
[INFO] [stdout] test test::new_take ... ok
[INFO] [stdout] test test::new_into_ref ... ok
[INFO] [stdout] test test::lil_test ... ok
[INFO] [stdout] test test::test_into_mut_share ... ok
[INFO] [stdout] test test::test_into_mut_forward ... ok
[INFO] [stdout] test test::new_drop ... ok
[INFO] [stdout] test test::test_drop_forward_then_drop_future ... ok
[INFO] [stdout] test test::test_drop_future_then_drop_forward ... ok
[INFO] [stdout] test slice::test::test_windows_mut ... ok
[INFO] [stdout] test test::vibe_check ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async_borrow
[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" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac", kill_on_drop: false }`
[INFO] [stdout] f21179db0271d258e37fdc589dc1d5d254569bc2360fc2ec14e861b43b47f4ac