[INFO] fetching crate rudy 0.1.0...
[INFO] testing rudy-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rudy 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rudy 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 2603c40e40817b6a7ba243b2670b15729db066c325bc80d5e1d82800332e918e
[INFO] running `Command { std: "docker" "start" "-a" "2603c40e40817b6a7ba243b2670b15729db066c325bc80d5e1d82800332e918e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2603c40e40817b6a7ba243b2670b15729db066c325bc80d5e1d82800332e918e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2603c40e40817b6a7ba243b2670b15729db066c325bc80d5e1d82800332e918e", kill_on_drop: false }`
[INFO] [stdout] 2603c40e40817b6a7ba243b2670b15729db066c325bc80d5e1d82800332e918e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d595b3e29d32835c391ce5da8af086294acb876d8115e4c0f92a1732624c3bca
[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" "d595b3e29d32835c391ce5da8af086294acb876d8115e4c0f92a1732624c3bca", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-traits v0.1.43
[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:93:41
[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:94:41
[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:286:59
[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:287:59
[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:17:26
[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/rootptr.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stdout]     |                                               ----^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 242 | / impl_root_ptr!(
[INFO] [stdout] 243 | |     2 => Leaf1,
[INFO] [stdout] 244 | |     3 => Leaf2,
[INFO] [stdout] 245 | |     4 => VecLeaf,
[INFO] [stdout] 246 | |     5 => Jpm
[INFO] [stdout] 247 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |                           RootMut::$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 a macro (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 a macro (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/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] 
[INFO] [stdout] warning: unused `std::result::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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "d595b3e29d32835c391ce5da8af086294acb876d8115e4c0f92a1732624c3bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d595b3e29d32835c391ce5da8af086294acb876d8115e4c0f92a1732624c3bca", kill_on_drop: false }`
[INFO] [stdout] d595b3e29d32835c391ce5da8af086294acb876d8115e4c0f92a1732624c3bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 169eb744a00e018fa375f51fdedbc901fd39f56dcce540f5765b6a4c7ba1e1f9
[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" "169eb744a00e018fa375f51fdedbc901fd39f56dcce540f5765b6a4c7ba1e1f9", kill_on_drop: false }`
[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:93:41
[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:94:41
[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:286:59
[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:287:59
[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:17:26
[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/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: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (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:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stdout]     |                                               ----^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 242 | / impl_root_ptr!(
[INFO] [stdout] 243 | |     2 => Leaf1,
[INFO] [stdout] 244 | |     3 => Leaf2,
[INFO] [stdout] 245 | |     4 => VecLeaf,
[INFO] [stdout] 246 | |     5 => Jpm
[INFO] [stdout] 247 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rudymap/rootptr.rs:210:45
[INFO] [stdout]     |
[INFO] [stdout] 210 |                           RootMut::$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 a macro (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/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] 
[INFO] [stdout] warning: unused `std::result::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: 10 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:93:41
[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:94:41
[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:286:59
[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:287:59
[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:17:26
[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/rootptr.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stdout]     |                                               ----^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 242 | / impl_root_ptr!(
[INFO] [stdout] 243 | |     2 => Leaf1,
[INFO] [stdout] 244 | |     3 => Leaf2,
[INFO] [stdout] 245 | |     4 => VecLeaf,
[INFO] [stdout] 246 | |     5 => Jpm
[INFO] [stdout] 247 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |                           RootMut::$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 a macro (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 a macro (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/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] 
[INFO] [stdout] warning: unused `std::result::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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "169eb744a00e018fa375f51fdedbc901fd39f56dcce540f5765b6a4c7ba1e1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169eb744a00e018fa375f51fdedbc901fd39f56dcce540f5765b6a4c7ba1e1f9", kill_on_drop: false }`
[INFO] [stdout] 169eb744a00e018fa375f51fdedbc901fd39f56dcce540f5765b6a4c7ba1e1f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] c353db338376b512378cbe5ccfe6bc7b2ab69da76c75c6c1590b625eee00834d
[INFO] running `Command { std: "docker" "start" "-a" "c353db338376b512378cbe5ccfe6bc7b2ab69da76c75c6c1590b625eee00834d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/util/locksteparray.rs:93:41
[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:94:41
[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:286:59
[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:287:59
[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:17:26
[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/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: `#[warn(unused_mut)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (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:183:45
[INFO] [stderr]     |
[INFO] [stderr] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stderr]     |                                               ----^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 242 | / impl_root_ptr!(
[INFO] [stderr] 243 | |     2 => Leaf1,
[INFO] [stderr] 244 | |     3 => Leaf2,
[INFO] [stderr] 245 | |     4 => VecLeaf,
[INFO] [stderr] 246 | |     5 => Jpm
[INFO] [stderr] 247 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rudymap/rootptr.rs:210:45
[INFO] [stderr]     |
[INFO] [stderr] 210 |                           RootMut::$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 a macro (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/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] warning: unused `std::result::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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/util/locksteparray.rs:93:41
[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:94:41
[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:286:59
[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:287:59
[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:17:26
[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/rootptr.rs:183:45
[INFO] [stderr]     |
[INFO] [stderr] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stderr]     |                                               ----^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 242 | / impl_root_ptr!(
[INFO] [stderr] 243 | |     2 => Leaf1,
[INFO] [stderr] 244 | |     3 => Leaf2,
[INFO] [stderr] 245 | |     4 => VecLeaf,
[INFO] [stderr] 246 | |     5 => Jpm
[INFO] [stderr] 247 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stderr]     |
[INFO] [stderr] 183 |                           RootMut::$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 a macro (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 a macro (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/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] warning: unused `std::result::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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rudy-2ae869646cfb2ac7
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test rudymap::jpm::leaf_bitmap::test::test_drop ... ok
[INFO] [stdout] test rudymap::jpm::innerptr::test::test_new ... ok
[INFO] [stdout] test rudymap::test::test_len ... ok
[INFO] [stdout] test util::test_find_end_open ... ok
[INFO] [stdout] test util::test_find_item ... ok
[INFO] [stdout] test util::locksteparray::test_remove ... ok
[INFO] [stdout] test util::locksteparray::test_into_iter ... ok
[INFO] [stdout] test util::test_find_open ... ok
[INFO] [stdout] test util::test_partial_read ... ok
[INFO] [stdout] test util::test_partial_write ... ok
[INFO] [stdout] test util::test_read_write ... 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_1 ... ok
[INFO] [stdout] test rudymap::test::test_contains_key ... 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_2 ... ok
[INFO] [stdout] test util::locksteparray::test_different_sized_arrays ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smoke-3bdd04fcf2dff7bf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rudy
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c353db338376b512378cbe5ccfe6bc7b2ab69da76c75c6c1590b625eee00834d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c353db338376b512378cbe5ccfe6bc7b2ab69da76c75c6c1590b625eee00834d", kill_on_drop: false }`
[INFO] [stdout] c353db338376b512378cbe5ccfe6bc7b2ab69da76c75c6c1590b625eee00834d