[INFO] fetching crate rudy 0.1.0...
[INFO] testing rudy-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rudy 0.1.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate rudy 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rudy 0.1.0
[INFO] finished tweaking crates.io crate rudy 0.1.0
[INFO] tweaked toml for crates.io crate rudy 0.1.0 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c2b893037e0f84199377d2bbd14345fa237ef8cfb679506ef1a0785e5497eed
[INFO] running `Command { std: "docker" "start" "-a" "4c2b893037e0f84199377d2bbd14345fa237ef8cfb679506ef1a0785e5497eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c2b893037e0f84199377d2bbd14345fa237ef8cfb679506ef1a0785e5497eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2b893037e0f84199377d2bbd14345fa237ef8cfb679506ef1a0785e5497eed", kill_on_drop: false }`
[INFO] [stdout] 4c2b893037e0f84199377d2bbd14345fa237ef8cfb679506ef1a0785e5497eed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d98bc299a6612448367f9c90168c1f5703525c410b4b8573ddfcd0f399e4ea6a
[INFO] running `Command { std: "docker" "start" "-a" "d98bc299a6612448367f9c90168c1f5703525c410b4b8573ddfcd0f399e4ea6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling rudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/util/locksteparray.rs:93:46
[INFO] [stdout]    |
[INFO] [stdout] 93 |             array1: NoDrop::new(unsafe {mem::uninitialized()}),
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/util/locksteparray.rs:94:46
[INFO] [stdout]    |
[INFO] [stdout] 94 |             array2: NoDrop::new(unsafe {mem::uninitialized()})
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/util/locksteparray.rs:286:64
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mut array1: NoDrop<A1> = NoDrop::new(unsafe { mem::uninitialized() });
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/util/locksteparray.rs:287:64
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let mut array2: NoDrop<A2> = NoDrop::new(unsafe { mem::uninitialized() });
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rudymap/jpm/branch_uncompressed.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 array: { mem::uninitialized() }
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rudymap/jpm/leaf_bitmap.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let mut value = &mut self.values[index];
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stdout]     |                                               ----^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 242 | / impl_root_ptr!(
[INFO] [stdout] 243 | |     2 => Leaf1,
[INFO] [stdout] 244 | |     3 => Leaf2,
[INFO] [stdout] 245 | |     4 => VecLeaf,
[INFO] [stdout] 246 | |     5 => Jpm
[INFO] [stdout] 247 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_root_ptr_dispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rudymap/rootptr.rs:210:45
[INFO] [stdout]     |
[INFO] [stdout] 210 |                           RootMut::$type_name(mut node) => node.remove(key),
[INFO] [stdout]     |                                               ----^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 242 | / impl_root_ptr!(
[INFO] [stdout] 243 | |     2 => Leaf1,
[INFO] [stdout] 244 | |     3 => Leaf2,
[INFO] [stdout] 245 | |     4 => VecLeaf,
[INFO] [stdout] 246 | |     5 => Jpm
[INFO] [stdout] 247 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_root_ptr_dispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/rudymap/jpm/branch_linear.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             node.array.push(k, v);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "d98bc299a6612448367f9c90168c1f5703525c410b4b8573ddfcd0f399e4ea6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98bc299a6612448367f9c90168c1f5703525c410b4b8573ddfcd0f399e4ea6a", kill_on_drop: false }`
[INFO] [stdout] d98bc299a6612448367f9c90168c1f5703525c410b4b8573ddfcd0f399e4ea6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab3890c831e7e53098843c73fedd3a1435338164bb214a576fe389e136bf0247
[INFO] running `Command { std: "docker" "start" "-a" "ab3890c831e7e53098843c73fedd3a1435338164bb214a576fe389e136bf0247", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/util/locksteparray.rs:93:46
[INFO] [stdout]    |
[INFO] [stdout] 93 |             array1: NoDrop::new(unsafe {mem::uninitialized()}),
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/util/locksteparray.rs:94:46
[INFO] [stdout]    |
[INFO] [stdout] 94 |             array2: NoDrop::new(unsafe {mem::uninitialized()})
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/util/locksteparray.rs:286:64
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mut array1: NoDrop<A1> = NoDrop::new(unsafe { mem::uninitialized() });
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/util/locksteparray.rs:287:64
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let mut array2: NoDrop<A2> = NoDrop::new(unsafe { mem::uninitialized() });
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rudymap/jpm/branch_uncompressed.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 array: { mem::uninitialized() }
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rudymap/jpm/leaf_bitmap.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let mut value = &mut self.values[index];
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stdout]     |                                               ----^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 242 | / impl_root_ptr!(
[INFO] [stdout] 243 | |     2 => Leaf1,
[INFO] [stdout] 244 | |     3 => Leaf2,
[INFO] [stdout] 245 | |     4 => VecLeaf,
[INFO] [stdout] 246 | |     5 => Jpm
[INFO] [stdout] 247 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_root_ptr_dispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rudymap/rootptr.rs:210:45
[INFO] [stdout]     |
[INFO] [stdout] 210 |                           RootMut::$type_name(mut node) => node.remove(key),
[INFO] [stdout]     |                                               ----^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 242 | / impl_root_ptr!(
[INFO] [stdout] 243 | |     2 => Leaf1,
[INFO] [stdout] 244 | |     3 => Leaf2,
[INFO] [stdout] 245 | |     4 => VecLeaf,
[INFO] [stdout] 246 | |     5 => Jpm
[INFO] [stdout] 247 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_root_ptr_dispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/rudymap/jpm/branch_linear.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             node.array.push(k, v);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/util/locksteparray.rs:93:46
[INFO] [stdout]    |
[INFO] [stdout] 93 |             array1: NoDrop::new(unsafe {mem::uninitialized()}),
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/util/locksteparray.rs:94:46
[INFO] [stdout]    |
[INFO] [stdout] 94 |             array2: NoDrop::new(unsafe {mem::uninitialized()})
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/util/locksteparray.rs:286:64
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let mut array1: NoDrop<A1> = NoDrop::new(unsafe { mem::uninitialized() });
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/util/locksteparray.rs:287:64
[INFO] [stdout]     |
[INFO] [stdout] 287 |         let mut array2: NoDrop<A2> = NoDrop::new(unsafe { mem::uninitialized() });
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/rudymap/jpm/branch_uncompressed.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 array: { mem::uninitialized() }
[INFO] [stdout]    |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rudymap/jpm/leaf_bitmap.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let mut value = &mut self.values[index];
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stdout]     |                                               ----^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 242 | / impl_root_ptr!(
[INFO] [stdout] 243 | |     2 => Leaf1,
[INFO] [stdout] 244 | |     3 => Leaf2,
[INFO] [stdout] 245 | |     4 => VecLeaf,
[INFO] [stdout] 246 | |     5 => Jpm
[INFO] [stdout] 247 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_root_ptr_dispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rudymap/rootptr.rs:210:45
[INFO] [stdout]     |
[INFO] [stdout] 210 |                           RootMut::$type_name(mut node) => node.remove(key),
[INFO] [stdout]     |                                               ----^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 242 | / impl_root_ptr!(
[INFO] [stdout] 243 | |     2 => Leaf1,
[INFO] [stdout] 244 | |     3 => Leaf2,
[INFO] [stdout] 245 | |     4 => VecLeaf,
[INFO] [stdout] 246 | |     5 => Jpm
[INFO] [stdout] 247 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_root_ptr_dispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/rudymap/jpm/branch_linear.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             node.array.push(k, v);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "ab3890c831e7e53098843c73fedd3a1435338164bb214a576fe389e136bf0247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3890c831e7e53098843c73fedd3a1435338164bb214a576fe389e136bf0247", kill_on_drop: false }`
[INFO] [stdout] ab3890c831e7e53098843c73fedd3a1435338164bb214a576fe389e136bf0247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cae1ab2aaad7e66674c61c476073891669bb5447057a1fbc558e6668fad83208
[INFO] running `Command { std: "docker" "start" "-a" "cae1ab2aaad7e66674c61c476073891669bb5447057a1fbc558e6668fad83208", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/util/locksteparray.rs:93:46
[INFO] [stderr]    |
[INFO] [stderr] 93 |             array1: NoDrop::new(unsafe {mem::uninitialized()}),
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/util/locksteparray.rs:94:46
[INFO] [stderr]    |
[INFO] [stderr] 94 |             array2: NoDrop::new(unsafe {mem::uninitialized()})
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/util/locksteparray.rs:286:64
[INFO] [stderr]     |
[INFO] [stderr] 286 |         let mut array1: NoDrop<A1> = NoDrop::new(unsafe { mem::uninitialized() });
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/util/locksteparray.rs:287:64
[INFO] [stderr]     |
[INFO] [stderr] 287 |         let mut array2: NoDrop<A2> = NoDrop::new(unsafe { mem::uninitialized() });
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/rudymap/jpm/branch_uncompressed.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 |                 array: { mem::uninitialized() }
[INFO] [stderr]    |                               ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rudymap/jpm/leaf_bitmap.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 let mut value = &mut self.values[index];
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stderr]     |
[INFO] [stderr] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stderr]     |                                               ----^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 242 | / impl_root_ptr!(
[INFO] [stderr] 243 | |     2 => Leaf1,
[INFO] [stderr] 244 | |     3 => Leaf2,
[INFO] [stderr] 245 | |     4 => VecLeaf,
[INFO] [stderr] 246 | |     5 => Jpm
[INFO] [stderr] 247 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_root_ptr_dispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rudymap/rootptr.rs:210:45
[INFO] [stderr]     |
[INFO] [stderr] 210 |                           RootMut::$type_name(mut node) => node.remove(key),
[INFO] [stderr]     |                                               ----^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 242 | / impl_root_ptr!(
[INFO] [stderr] 243 | |     2 => Leaf1,
[INFO] [stderr] 244 | |     3 => Leaf2,
[INFO] [stderr] 245 | |     4 => VecLeaf,
[INFO] [stderr] 246 | |     5 => Jpm
[INFO] [stderr] 247 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `impl_root_ptr_dispatch` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/rudymap/jpm/branch_linear.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             node.array.push(k, v);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `rudy` (lib) generated 9 warnings
[INFO] [stderr] warning: `rudy` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rudy-5eb2eca2b09de5e3)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test rudymap::jpm::innerptr::test::test_new ... ok
[INFO] [stdout] test rudymap::test::test_contains_key ... ok
[INFO] [stdout] test rudymap::test::test_len ... ok
[INFO] [stdout] test util::locksteparray::test_into_iter ... ok
[INFO] [stdout] test rudymap::jpm::leaf_bitmap::test::test_drop ... ok
[INFO] [stdout] test util::locksteparray::test_into_iter_drop ... ok
[INFO] [stdout] test util::locksteparray::test_length ... ok
[INFO] [stdout] test rudymap::test::test_insert_get_2 ... ok
[INFO] [stdout] test rudymap::test::test_get_mut ... ok
[INFO] [stdout] test util::locksteparray::test_drop ... ok
[INFO] [stdout] test rudymap::test::test_insert_get_1 ... ok
[INFO] [stdout] test util::test_find_end_open ... ok
[INFO] [stdout] test util::locksteparray::test_remove ... ok
[INFO] [stdout] test util::test_find_item ... ok
[INFO] [stdout] test util::test_partial_read ... ok
[INFO] [stdout] test util::test_find_open ... ok
[INFO] [stdout] test util::test_partial_write ... ok
[INFO] [stdout] test util::locksteparray::test_different_sized_arrays - should panic ... ok
[INFO] [stdout] test util::test_read_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-fadd8927da5030aa)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rudy
[INFO] [stdout] test smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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" "cae1ab2aaad7e66674c61c476073891669bb5447057a1fbc558e6668fad83208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cae1ab2aaad7e66674c61c476073891669bb5447057a1fbc558e6668fad83208", kill_on_drop: false }`
[INFO] [stdout] cae1ab2aaad7e66674c61c476073891669bb5447057a1fbc558e6668fad83208