[INFO] cloning repository https://github.com/Frederik-Baetens/sled_async_flush_freeze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Frederik-Baetens/sled_async_flush_freeze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrederik-Baetens%2Fsled_async_flush_freeze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrederik-Baetens%2Fsled_async_flush_freeze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7300fc57864669c25c5e9e34400c5b24edb1b1cc
[INFO] building Frederik-Baetens/sled_async_flush_freeze against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrederik-Baetens%2Fsled_async_flush_freeze" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Frederik-Baetens/sled_async_flush_freeze on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Frederik-Baetens/sled_async_flush_freeze
[INFO] finished tweaking git repo https://github.com/Frederik-Baetens/sled_async_flush_freeze
[INFO] tweaked toml for git repo https://github.com/Frederik-Baetens/sled_async_flush_freeze written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Frederik-Baetens/sled_async_flush_freeze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a17d40886adfc77759582c7fb3e61f84f7d9ff8fcae7ad8c5fc3ac95921ce3c
[INFO] running `Command { std: "docker" "start" "-a" "6a17d40886adfc77759582c7fb3e61f84f7d9ff8fcae7ad8c5fc3ac95921ce3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a17d40886adfc77759582c7fb3e61f84f7d9ff8fcae7ad8c5fc3ac95921ce3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a17d40886adfc77759582c7fb3e61f84f7d9ff8fcae7ad8c5fc3ac95921ce3c", kill_on_drop: false }`
[INFO] [stdout] 6a17d40886adfc77759582c7fb3e61f84f7d9ff8fcae7ad8c5fc3ac95921ce3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b519fbb55de381fcd055cb5602c9c12d1925db131a34c485ed09d40d80d54b39
[INFO] running `Command { std: "docker" "start" "-a" "b519fbb55de381fcd055cb5602c9c12d1925db131a34c485ed09d40d80d54b39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling sledtest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tokio::task::JoinSet`
[INFO] [stdout]    --> src/main.rs:4:5
[INFO] [stdout]     |
[INFO] [stdout] 4   | use tokio::task::JoinSet;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^ no `JoinSet` in `task`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.17.0/src/task/mod.rs:305:27
[INFO] [stdout]     |
[INFO] [stdout] 305 |         pub use join_set::JoinSet;
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.17.0/src/task/mod.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 303 | /     cfg_unstable! {
[INFO] [stdout] 304 | |         mod join_set;
[INFO] [stdout] 305 | |         pub use join_set::JoinSet;
[INFO] [stdout] 306 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     = note: this error originates in the macro `cfg_unstable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sledtest` (bin "sledtest") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b519fbb55de381fcd055cb5602c9c12d1925db131a34c485ed09d40d80d54b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b519fbb55de381fcd055cb5602c9c12d1925db131a34c485ed09d40d80d54b39", kill_on_drop: false }`
[INFO] [stdout] b519fbb55de381fcd055cb5602c9c12d1925db131a34c485ed09d40d80d54b39
