[INFO] crate rudy 0.1.0 is already in cache
[INFO] extracting crate rudy 0.1.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rudy/0.1.0
[INFO] extracting crate rudy 0.1.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rudy/0.1.0
[INFO] validating manifest of rudy-0.1.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rudy-0.1.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rudy-0.1.0
[INFO] finished frobbing rudy-0.1.0
[INFO] frobbed toml for rudy-0.1.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/rudy/0.1.0/Cargo.toml
[INFO] started frobbing rudy-0.1.0
[INFO] finished frobbing rudy-0.1.0
[INFO] frobbed toml for rudy-0.1.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rudy/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rudy-0.1.0 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/rudy/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 531a1ac527f79058f42355f05ae51e4694791669a0030315e9819155471878fb
[INFO] running `"docker" "start" "-a" "531a1ac527f79058f42355f05ae51e4694791669a0030315e9819155471878fb"`
[INFO] [stderr]     Checking rudy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stderr]     |
[INFO] [stderr] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stderr]     |                                               ----^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 242 | / impl_root_ptr!(
[INFO] [stderr] 243 | |     2 => Leaf1,
[INFO] [stderr] 244 | |     3 => Leaf2,
[INFO] [stderr] 245 | |     4 => VecLeaf,
[INFO] [stderr] 246 | |     5 => Jpm
[INFO] [stderr] 247 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stderr]     |
[INFO] [stderr] 183 |                           RootMut::$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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rudymap/rootptr.rs:210:45
[INFO] [stderr]     |
[INFO] [stderr] 210 |                           RootMut::$type_name(mut node) => node.remove(key),
[INFO] [stderr]     |                                               ----^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 242 | / impl_root_ptr!(
[INFO] [stderr] 243 | |     2 => Leaf1,
[INFO] [stderr] 244 | |     3 => Leaf2,
[INFO] [stderr] 245 | |     4 => VecLeaf,
[INFO] [stderr] 246 | |     5 => Jpm
[INFO] [stderr] 247 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rudymap/jpm/leaf_bitmap.rs:37:21
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 let mut value = &mut self.values[index];
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rudymap/jpm/branch_linear.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             node.array.push(k, v);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stderr]     |
[INFO] [stderr] 183 |                           RootMut::$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] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rudymap/rootptr.rs:183:45
[INFO] [stderr]     |
[INFO] [stderr] 183 |                           RootMut::$type_name(mut node) => node.insert(key, value),
[INFO] [stderr]     |                                               ----^^^^
[INFO] [stderr]     |                                               |
[INFO] [stderr]     |                                               help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 242 | / impl_root_ptr!(
[INFO] [stderr] 243 | |     2 => Leaf1,
[INFO] [stderr] 244 | |     3 => Leaf2,
[INFO] [stderr] 245 | |     4 => VecLeaf,
[INFO] [stderr] 246 | |     5 => Jpm
[INFO] [stderr] 247 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/rudymap/rootptr.rs:210:45
[INFO] [stderr]     |
[INFO] [stderr] 210 |                           RootMut::$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] 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `"docker" "inspect" "531a1ac527f79058f42355f05ae51e4694791669a0030315e9819155471878fb"`
[INFO] running `"docker" "rm" "-f" "531a1ac527f79058f42355f05ae51e4694791669a0030315e9819155471878fb"`
[INFO] [stdout] 531a1ac527f79058f42355f05ae51e4694791669a0030315e9819155471878fb