[INFO] fetching crate strcursor 0.2.5...
[INFO] building strcursor-0.2.5 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate strcursor 0.2.5 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate strcursor 0.2.5 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strcursor 0.2.5
[INFO] finished tweaking crates.io crate strcursor 0.2.5
[INFO] tweaked toml for crates.io crate strcursor 0.2.5 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bc4b78028570cce5449981cd7cfcfb99e83e574460154afb46b97ffd47e9043
[INFO] running `Command { std: "docker" "start" "-a" "1bc4b78028570cce5449981cd7cfcfb99e83e574460154afb46b97ffd47e9043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bc4b78028570cce5449981cd7cfcfb99e83e574460154afb46b97ffd47e9043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc4b78028570cce5449981cd7cfcfb99e83e574460154afb46b97ffd47e9043", kill_on_drop: false }`
[INFO] [stdout] 1bc4b78028570cce5449981cd7cfcfb99e83e574460154afb46b97ffd47e9043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4b1531c07214b450e9ec9e2dd66dc401bccf51583713862734cfcdc6ce3dfd6
[INFO] running `Command { std: "docker" "start" "-a" "a4b1531c07214b450e9ec9e2dd66dc401bccf51583713862734cfcdc6ce3dfd6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling strcursor v0.2.5 (/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:404:20
[INFO] [stdout]     |
[INFO] [stdout] 404 |             self.s.slice_unchecked(0, self.byte_pos())
[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:414:20
[INFO] [stdout]     |
[INFO] [stdout] 414 |             self.s.slice_unchecked(self.byte_pos(), self.s.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/grapheme.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Some((Gc::from_str_unchecked(gr), s.slice_unchecked(gr.len(), s.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/grapheme.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Gc::from_str_unchecked(self.0.slice_unchecked(base_len, self.0.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/grapheme.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |             self.0.slice_unchecked(base_len, self.0.len())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Knowledge` does not permit zero-initialization
[INFO] [stdout]   --> src/util.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nirvana(::std::mem::transmute(()))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this code causes undefined behavior when executed
[INFO] [stdout]    |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]    = note: enums with no variants have no valid value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `Command { std: "docker" "inspect" "a4b1531c07214b450e9ec9e2dd66dc401bccf51583713862734cfcdc6ce3dfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b1531c07214b450e9ec9e2dd66dc401bccf51583713862734cfcdc6ce3dfd6", kill_on_drop: false }`
[INFO] [stdout] a4b1531c07214b450e9ec9e2dd66dc401bccf51583713862734cfcdc6ce3dfd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67ed6fcd4421878a4dcd8b01c19c5fd974835e1a3e0af755a757b63990f734cc
[INFO] running `Command { std: "docker" "start" "-a" "67ed6fcd4421878a4dcd8b01c19c5fd974835e1a3e0af755a757b63990f734cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling strcursor v0.2.5 (/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:404:20
[INFO] [stdout]     |
[INFO] [stdout] 404 |             self.s.slice_unchecked(0, self.byte_pos())
[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:414:20
[INFO] [stdout]     |
[INFO] [stdout] 414 |             self.s.slice_unchecked(self.byte_pos(), self.s.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/grapheme.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Some((Gc::from_str_unchecked(gr), s.slice_unchecked(gr.len(), s.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/grapheme.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Gc::from_str_unchecked(self.0.slice_unchecked(base_len, self.0.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/grapheme.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |             self.0.slice_unchecked(base_len, self.0.len())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Knowledge` does not permit zero-initialization
[INFO] [stdout]   --> src/util.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nirvana(::std::mem::transmute(()))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this code causes undefined behavior when executed
[INFO] [stdout]    |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]    = note: enums with no variants have no valid value
[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:404:20
[INFO] [stdout]     |
[INFO] [stdout] 404 |             self.s.slice_unchecked(0, self.byte_pos())
[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:414:20
[INFO] [stdout]     |
[INFO] [stdout] 414 |             self.s.slice_unchecked(self.byte_pos(), self.s.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/grapheme.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Some((Gc::from_str_unchecked(gr), s.slice_unchecked(gr.len(), s.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/grapheme.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Gc::from_str_unchecked(self.0.slice_unchecked(base_len, self.0.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/grapheme.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |             self.0.slice_unchecked(base_len, self.0.len())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Knowledge` does not permit zero-initialization
[INFO] [stdout]   --> src/util.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nirvana(::std::mem::transmute(()))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this code causes undefined behavior when executed
[INFO] [stdout]    |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]    = note: enums with no variants have no valid value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "67ed6fcd4421878a4dcd8b01c19c5fd974835e1a3e0af755a757b63990f734cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ed6fcd4421878a4dcd8b01c19c5fd974835e1a3e0af755a757b63990f734cc", kill_on_drop: false }`
[INFO] [stdout] 67ed6fcd4421878a4dcd8b01c19c5fd974835e1a3e0af755a757b63990f734cc