[INFO] fetching crate splits_iter 1.1.0...
[INFO] checking splits_iter-1.1.0 against beta for pr-78714
[INFO] extracting crate splits_iter 1.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate splits_iter 1.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate splits_iter 1.1.0
[INFO] finished tweaking crates.io crate splits_iter 1.1.0
[INFO] tweaked toml for crates.io crate splits_iter 1.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 668027f2c95fe72ffd688bb12a2526c4d217c847edc89af72c9686c57333bc00
[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" "668027f2c95fe72ffd688bb12a2526c4d217c847edc89af72c9686c57333bc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "668027f2c95fe72ffd688bb12a2526c4d217c847edc89af72c9686c57333bc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "668027f2c95fe72ffd688bb12a2526c4d217c847edc89af72c9686c57333bc00", kill_on_drop: false }`
[INFO] [stdout] 668027f2c95fe72ffd688bb12a2526c4d217c847edc89af72c9686c57333bc00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3972d8b961f873f53ffde14338f4b54a18534faad7e7bcb7b71e625c6356d60a
[INFO] running `Command { std: "docker" "start" "-a" "3972d8b961f873f53ffde14338f4b54a18534faad7e7bcb7b71e625c6356d60a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking splits_iter v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + head_len)};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |             self.end   = unsafe{self.end.slice_unchecked(head_len,self.end.len())};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |             self.end   = unsafe{self.end.slice_unchecked(c_len,self.end.len())};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + c_len)};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + head_len)};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |             self.end   = unsafe{self.end.slice_unchecked(head_len,self.end.len())};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |             self.end   = unsafe{self.end.slice_unchecked(c_len,self.end.len())};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + c_len)};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3972d8b961f873f53ffde14338f4b54a18534faad7e7bcb7b71e625c6356d60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3972d8b961f873f53ffde14338f4b54a18534faad7e7bcb7b71e625c6356d60a", kill_on_drop: false }`
[INFO] [stdout] 3972d8b961f873f53ffde14338f4b54a18534faad7e7bcb7b71e625c6356d60a