[INFO] fetching crate rudy 0.1.0...
[INFO] checking rudy-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate rudy 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rudy 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6fd2e7c2a9ab143b9ebbc8d3bb48150252b536e0d419df991c251d4745c1ace
[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" "e6fd2e7c2a9ab143b9ebbc8d3bb48150252b536e0d419df991c251d4745c1ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6fd2e7c2a9ab143b9ebbc8d3bb48150252b536e0d419df991c251d4745c1ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6fd2e7c2a9ab143b9ebbc8d3bb48150252b536e0d419df991c251d4745c1ace", kill_on_drop: false }`
[INFO] [stdout] e6fd2e7c2a9ab143b9ebbc8d3bb48150252b536e0d419df991c251d4745c1ace
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3434fb84dddf20506a9181e4fef48ab25ec5664ecc6c7875c56bda88663ee880
[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" "3434fb84dddf20506a9181e4fef48ab25ec5664ecc6c7875c56bda88663ee880", kill_on_drop: false }`
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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: use of deprecated item '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 item '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 item '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 item '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 item '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::$type_name(mut node) => node.remove(key),
[INFO] [stdout]     |                                               ----^^^^
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 242 | / impl_root_ptr!(
[INFO] [stdout] 243 | |     2 => Leaf1,
[INFO] [stdout] 244 | |     3 => Leaf2,
[INFO] [stdout] 245 | |     4 => VecLeaf,
[INFO] [stdout] 246 | |     5 => Jpm
[INFO] [stdout] 247 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rudymap/jpm/leaf_bitmap.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 let mut value = &mut self.values[index];
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/rudymap/jpm/branch_linear.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |             node.array.push(k, v);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |                           RootMut::$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 1.92s
[INFO] running `Command { std: "docker" "inspect" "3434fb84dddf20506a9181e4fef48ab25ec5664ecc6c7875c56bda88663ee880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3434fb84dddf20506a9181e4fef48ab25ec5664ecc6c7875c56bda88663ee880", kill_on_drop: false }`
[INFO] [stdout] 3434fb84dddf20506a9181e4fef48ab25ec5664ecc6c7875c56bda88663ee880
