[INFO] updating cached repository https://github.com/RGafiyatullin/rust-hairy-closure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bf3e3ae6bacdf5691cab7b572bbcebdf32b3b90
[INFO] testing RGafiyatullin/rust-hairy-closure against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRGafiyatullin%2Frust-hairy-closure" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RGafiyatullin/rust-hairy-closure on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RGafiyatullin/rust-hairy-closure
[INFO] finished tweaking git repo https://github.com/RGafiyatullin/rust-hairy-closure
[INFO] tweaked toml for git repo https://github.com/RGafiyatullin/rust-hairy-closure written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/RGafiyatullin/rust-hairy-closure already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bce35fce16867925ff3ec450a85d4f8955284a6062323b44dbc1435a1dd5ad2c
[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" "bce35fce16867925ff3ec450a85d4f8955284a6062323b44dbc1435a1dd5ad2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bce35fce16867925ff3ec450a85d4f8955284a6062323b44dbc1435a1dd5ad2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce35fce16867925ff3ec450a85d4f8955284a6062323b44dbc1435a1dd5ad2c", kill_on_drop: false }`
[INFO] [stdout] bce35fce16867925ff3ec450a85d4f8955284a6062323b44dbc1435a1dd5ad2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbf1b7fb057410bf8cb137ea66aa0cf829dc2af6335e686de28ea701e95d3a07
[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" "dbf1b7fb057410bf8cb137ea66aa0cf829dc2af6335e686de28ea701e95d3a07", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.27
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.17
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-sync v0.1.5
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio v0.1.20
[INFO] [stderr]    Compiling memory-safety v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0373]: closure may outlive the current function, but it borrows `s`, which is owned by the current function
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             |prev, ()| {
[INFO] [stdout]    |             ^^^^^^^^^^ may outlive borrowed value `s`
[INFO] [stdout] 13 |                 let fut = prev.and_then(|()| iteration(&s).into_future());
[INFO] [stdout]    |                                                         - `s` is borrowed here
[INFO] [stdout]    |
[INFO] [stdout] note: closure is returned here
[INFO] [stdout]   --> src/main.rs:7:28
[INFO] [stdout]    |
[INFO] [stdout] 7  | fn fold_it(xs: Vec<()>) -> impl Future<Item = (), Error = ()> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: to force the closure to take ownership of `s` (and any other referenced variables), use the `move` keyword
[INFO] [stdout]    |
[INFO] [stdout] 12 |             move |prev, ()| {
[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 E0373`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memory-safety`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "dbf1b7fb057410bf8cb137ea66aa0cf829dc2af6335e686de28ea701e95d3a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf1b7fb057410bf8cb137ea66aa0cf829dc2af6335e686de28ea701e95d3a07", kill_on_drop: false }`
[INFO] [stdout] dbf1b7fb057410bf8cb137ea66aa0cf829dc2af6335e686de28ea701e95d3a07