Nov 30 20:31:51.022 INFO testing wu1274704958/LinkedList against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Nov 30 20:31:51.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 20:31:51.199 INFO [stdout] 04d5abb8ead0aaac7021bfa2bfdae3893f298c9d4abd8d3b34fe142001c0ed8c
Nov 30 20:31:51.204 INFO running `"docker" "start" "-a" "04d5abb8ead0aaac7021bfa2bfdae3893f298c9d4abd8d3b34fe142001c0ed8c"`
Nov 30 20:31:51.559 INFO [stderr] usermod: no changes
Nov 30 20:31:51.583 INFO [stderr]    Compiling LinkedList v0.1.0 (/source)
Nov 30 20:31:51.687 INFO [stderr] warning: unused import: `std::cell::Ref`
Nov 30 20:31:51.687 INFO [stderr]  --> src/lib.rs:7:5
Nov 30 20:31:51.687 INFO [stderr]   |
Nov 30 20:31:51.687 INFO [stderr] 7 | use std::cell::Ref;
Nov 30 20:31:51.687 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 20:31:51.687 INFO [stderr]   |
Nov 30 20:31:51.687 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 20:31:51.687 INFO [stderr] 
Nov 30 20:31:51.687 INFO [stderr] warning: unused import: `std::convert`
Nov 30 20:31:51.687 INFO [stderr]  --> src/lib.rs:8:5
Nov 30 20:31:51.687 INFO [stderr]   |
Nov 30 20:31:51.687 INFO [stderr] 8 | use std::convert;
Nov 30 20:31:51.687 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 20:31:51.687 INFO [stderr] 
Nov 30 20:31:51.743 INFO [stderr] warning: unused variable: `i`
Nov 30 20:31:51.743 INFO [stderr]   --> src/lib.rs:59:13
Nov 30 20:31:51.743 INFO [stderr]    |
Nov 30 20:31:51.743 INFO [stderr] 59 |         for i in 0..index {
Nov 30 20:31:51.743 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 30 20:31:51.743 INFO [stderr]    |
Nov 30 20:31:51.743 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 20:31:51.743 INFO [stderr] 
Nov 30 20:31:51.743 INFO [stderr] warning: unused variable: `i`
Nov 30 20:31:51.743 INFO [stderr]    --> src/lib.rs:147:17
Nov 30 20:31:51.743 INFO [stderr]     |
Nov 30 20:31:51.743 INFO [stderr] 147 |             for i in 0..(index - 1) {
Nov 30 20:31:51.743 INFO [stderr]     |                 ^ help: consider using `_i` instead
Nov 30 20:31:51.743 INFO [stderr] 
Nov 30 20:31:51.747 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:51.747 INFO [stderr]   --> src/lib.rs:84:13
Nov 30 20:31:51.747 INFO [stderr]    |
Nov 30 20:31:51.747 INFO [stderr] 84 |         let mut c: *mut Node<T>;
Nov 30 20:31:51.747 INFO [stderr]    |             ----^
Nov 30 20:31:51.747 INFO [stderr]    |             |
Nov 30 20:31:51.747 INFO [stderr]    |             help: remove this `mut`
Nov 30 20:31:51.747 INFO [stderr]    |
Nov 30 20:31:51.747 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 20:31:51.747 INFO [stderr] 
Nov 30 20:31:51.747 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:51.747 INFO [stderr]   --> src/lib.rs:85:13
Nov 30 20:31:51.747 INFO [stderr]    |
Nov 30 20:31:51.747 INFO [stderr] 85 |         let mut a: *mut Option<Rc<RefCell<Node<T>>>>;
Nov 30 20:31:51.747 INFO [stderr]    |             ----^
Nov 30 20:31:51.747 INFO [stderr]    |             |
Nov 30 20:31:51.747 INFO [stderr]    |             help: remove this `mut`
Nov 30 20:31:51.747 INFO [stderr] 
Nov 30 20:31:51.751 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:51.751 INFO [stderr]    --> src/lib.rs:101:13
Nov 30 20:31:51.751 INFO [stderr]     |
Nov 30 20:31:51.751 INFO [stderr] 101 |         let mut a: *mut Option<Rc<RefCell<Node<T>>>>;
Nov 30 20:31:51.751 INFO [stderr]     |             ----^
Nov 30 20:31:51.751 INFO [stderr]     |             |
Nov 30 20:31:51.751 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:51.751 INFO [stderr] 
Nov 30 20:31:51.751 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:51.751 INFO [stderr]    --> src/lib.rs:102:13
Nov 30 20:31:51.751 INFO [stderr]     |
Nov 30 20:31:51.751 INFO [stderr] 102 |         let mut b: *mut T;
Nov 30 20:31:51.751 INFO [stderr]     |             ----^
Nov 30 20:31:51.751 INFO [stderr]     |             |
Nov 30 20:31:51.751 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:51.751 INFO [stderr] 
Nov 30 20:31:51.753 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:51.753 INFO [stderr]    --> src/lib.rs:122:13
Nov 30 20:31:51.753 INFO [stderr]     |
Nov 30 20:31:51.753 INFO [stderr] 122 |         let mut last: *mut Node<T>;
Nov 30 20:31:51.753 INFO [stderr]     |             ----^^^^
Nov 30 20:31:51.753 INFO [stderr]     |             |
Nov 30 20:31:51.753 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:51.753 INFO [stderr] 
Nov 30 20:31:51.753 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:51.753 INFO [stderr]    --> src/lib.rs:123:13
Nov 30 20:31:51.753 INFO [stderr]     |
Nov 30 20:31:51.753 INFO [stderr] 123 |         let mut mid: Rc<RefCell<Node<T>>>;
Nov 30 20:31:51.753 INFO [stderr]     |             ----^^^
Nov 30 20:31:51.753 INFO [stderr]     |             |
Nov 30 20:31:51.753 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:51.753 INFO [stderr] 
Nov 30 20:31:51.753 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:51.753 INFO [stderr]    --> src/lib.rs:124:13
Nov 30 20:31:51.753 INFO [stderr]     |
Nov 30 20:31:51.753 INFO [stderr] 124 |         let mut next: Rc<RefCell<Node<T>>>;
Nov 30 20:31:51.753 INFO [stderr]     |             ----^^^^
Nov 30 20:31:51.753 INFO [stderr]     |             |
Nov 30 20:31:51.753 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:51.753 INFO [stderr] 
Nov 30 20:31:51.757 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:51.757 INFO [stderr]    --> src/lib.rs:216:13
Nov 30 20:31:51.757 INFO [stderr]     |
Nov 30 20:31:51.757 INFO [stderr] 216 |         let mut a : &'a Rc<RefCell<Node<T>>>;
Nov 30 20:31:51.757 INFO [stderr]     |             ----^
Nov 30 20:31:51.757 INFO [stderr]     |             |
Nov 30 20:31:51.757 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:51.757 INFO [stderr] 
Nov 30 20:31:51.757 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:51.757 INFO [stderr]    --> src/lib.rs:217:13
Nov 30 20:31:51.757 INFO [stderr]     |
Nov 30 20:31:51.757 INFO [stderr] 217 |         let mut b :  RefMut<Node<T>>;
Nov 30 20:31:51.757 INFO [stderr]     |             ----^
Nov 30 20:31:51.757 INFO [stderr]     |             |
Nov 30 20:31:51.757 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:51.757 INFO [stderr] 
Nov 30 20:31:51.757 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:51.758 INFO [stderr]    --> src/lib.rs:218:13
Nov 30 20:31:51.758 INFO [stderr]     |
Nov 30 20:31:51.758 INFO [stderr] 218 |         let mut c : * mut T;
Nov 30 20:31:51.758 INFO [stderr]     |             ----^
Nov 30 20:31:51.758 INFO [stderr]     |             |
Nov 30 20:31:51.758 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:51.758 INFO [stderr] 
Nov 30 20:31:51.758 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list`
Nov 30 20:31:51.758 INFO [stderr]   |
Nov 30 20:31:51.758 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 20:31:51.758 INFO [stderr] 
Nov 30 20:31:51.758 INFO [stderr] warning: structure field `phantomData` should have a snake case name such as `phantom_data`
Nov 30 20:31:51.758 INFO [stderr]   --> src/lib.rs:17:5
Nov 30 20:31:51.758 INFO [stderr]    |
Nov 30 20:31:51.758 INFO [stderr] 17 |     phantomData : PhantomData<&'a T>
Nov 30 20:31:51.758 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:31:51.758 INFO [stderr] 
Nov 30 20:31:51.758 INFO [stderr] warning: method `getSize` should have a snake case name such as `get_size`
Nov 30 20:31:51.759 INFO [stderr]   --> src/lib.rs:76:5
Nov 30 20:31:51.759 INFO [stderr]    |
Nov 30 20:31:51.759 INFO [stderr] 76 | /     pub fn getSize(&self) -> u32 {
Nov 30 20:31:51.759 INFO [stderr] 77 | |         self.size
Nov 30 20:31:51.759 INFO [stderr] 78 | |     }
Nov 30 20:31:51.759 INFO [stderr]    | |_____^
Nov 30 20:31:51.759 INFO [stderr] 
Nov 30 20:31:51.759 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:31:51.759 INFO [stderr]    --> src/lib.rs:188:13
Nov 30 20:31:51.759 INFO [stderr]     |
Nov 30 20:31:51.759 INFO [stderr] 188 |             write!(f, "[ ");
Nov 30 20:31:51.759 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Nov 30 20:31:51.759 INFO [stderr]     |
Nov 30 20:31:51.759 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 20:31:51.759 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:31:51.759 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 20:31:51.759 INFO [stderr] 
Nov 30 20:31:51.759 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:31:51.759 INFO [stderr]    --> src/lib.rs:194:29
Nov 30 20:31:51.759 INFO [stderr]     |
Nov 30 20:31:51.759 INFO [stderr] 194 |                             write!(f, "{}", *b);
Nov 30 20:31:51.759 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^
Nov 30 20:31:51.759 INFO [stderr]     |
Nov 30 20:31:51.759 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:31:51.759 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 20:31:51.759 INFO [stderr] 
Nov 30 20:31:51.759 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:31:51.759 INFO [stderr]    --> src/lib.rs:196:29
Nov 30 20:31:51.759 INFO [stderr]     |
Nov 30 20:31:51.759 INFO [stderr] 196 |                             write!(f, "{},", *b);
Nov 30 20:31:51.759 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:31:51.759 INFO [stderr]     |
Nov 30 20:31:51.759 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:31:51.759 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 20:31:51.759 INFO [stderr] 
Nov 30 20:31:51.759 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:31:51.759 INFO [stderr]    --> src/lib.rs:201:25
Nov 30 20:31:51.759 INFO [stderr]     |
Nov 30 20:31:51.759 INFO [stderr] 201 |                         write!(f, " ]");
Nov 30 20:31:51.759 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^
Nov 30 20:31:51.759 INFO [stderr]     |
Nov 30 20:31:51.759 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:31:51.759 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 20:31:51.759 INFO [stderr] 
Nov 30 20:31:51.936 INFO [stderr] warning: function is never used: `test2`
Nov 30 20:31:51.936 INFO [stderr]   --> src/main.rs:68:1
Nov 30 20:31:51.936 INFO [stderr]    |
Nov 30 20:31:51.936 INFO [stderr] 68 | fn test2()
Nov 30 20:31:51.936 INFO [stderr]    | ^^^^^^^^^^
Nov 30 20:31:51.936 INFO [stderr]    |
Nov 30 20:31:51.936 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 20:31:51.936 INFO [stderr] 
Nov 30 20:31:51.936 INFO [stderr] warning: function is never used: `test3`
Nov 30 20:31:51.936 INFO [stderr]   --> src/main.rs:75:1
Nov 30 20:31:51.936 INFO [stderr]    |
Nov 30 20:31:51.936 INFO [stderr] 75 | fn test3()
Nov 30 20:31:51.936 INFO [stderr]    | ^^^^^^^^^^
Nov 30 20:31:51.936 INFO [stderr] 
Nov 30 20:31:51.936 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list`
Nov 30 20:31:51.936 INFO [stderr]   |
Nov 30 20:31:51.936 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 20:31:51.936 INFO [stderr] 
Nov 30 20:31:52.294 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Nov 30 20:31:52.295 INFO [stderr] su: No module specific data is present
Nov 30 20:31:52.616 INFO running `"docker" "inspect" "04d5abb8ead0aaac7021bfa2bfdae3893f298c9d4abd8d3b34fe142001c0ed8c"`
Nov 30 20:31:52.834 INFO running `"docker" "rm" "-f" "04d5abb8ead0aaac7021bfa2bfdae3893f298c9d4abd8d3b34fe142001c0ed8c"`
Nov 30 20:31:53.071 INFO [stdout] 04d5abb8ead0aaac7021bfa2bfdae3893f298c9d4abd8d3b34fe142001c0ed8c
Nov 30 20:31:53.079 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 20:31:53.503 INFO [stdout] c344fd9a30168371ccb1fb01507577d8cf40029fdfd25b659b12a8cfc337f50a
Nov 30 20:31:53.508 INFO running `"docker" "start" "-a" "c344fd9a30168371ccb1fb01507577d8cf40029fdfd25b659b12a8cfc337f50a"`
Nov 30 20:31:54.957 INFO [stderr] usermod: no changes
Nov 30 20:31:55.007 INFO [stderr]    Compiling LinkedList v0.1.0 (/source)
Nov 30 20:31:55.337 INFO [stderr] warning: unused import: `std::cell::Ref`
Nov 30 20:31:55.337 INFO [stderr]  --> src/lib.rs:7:5
Nov 30 20:31:55.337 INFO [stderr]   |
Nov 30 20:31:55.337 INFO [stderr] 7 | use std::cell::Ref;
Nov 30 20:31:55.337 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 20:31:55.338 INFO [stderr]   |
Nov 30 20:31:55.338 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 20:31:55.338 INFO [stderr] 
Nov 30 20:31:55.338 INFO [stderr] warning: unused import: `std::convert`
Nov 30 20:31:55.338 INFO [stderr]  --> src/lib.rs:8:5
Nov 30 20:31:55.338 INFO [stderr]   |
Nov 30 20:31:55.338 INFO [stderr] 8 | use std::convert;
Nov 30 20:31:55.338 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 20:31:55.338 INFO [stderr] 
Nov 30 20:31:55.506 INFO [stderr] warning: function is never used: `test2`
Nov 30 20:31:55.506 INFO [stderr]   --> src/main.rs:68:1
Nov 30 20:31:55.506 INFO [stderr]    |
Nov 30 20:31:55.506 INFO [stderr] 68 | fn test2()
Nov 30 20:31:55.506 INFO [stderr]    | ^^^^^^^^^^
Nov 30 20:31:55.506 INFO [stderr]    |
Nov 30 20:31:55.506 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 20:31:55.506 INFO [stderr] 
Nov 30 20:31:55.506 INFO [stderr] warning: function is never used: `test3`
Nov 30 20:31:55.506 INFO [stderr]   --> src/main.rs:75:1
Nov 30 20:31:55.506 INFO [stderr]    |
Nov 30 20:31:55.506 INFO [stderr] 75 | fn test3()
Nov 30 20:31:55.506 INFO [stderr]    | ^^^^^^^^^^
Nov 30 20:31:55.506 INFO [stderr] 
Nov 30 20:31:55.506 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list`
Nov 30 20:31:55.506 INFO [stderr]   |
Nov 30 20:31:55.506 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 20:31:55.506 INFO [stderr] 
Nov 30 20:31:55.506 INFO [stderr] warning: unused variable: `i`
Nov 30 20:31:55.506 INFO [stderr]   --> src/lib.rs:59:13
Nov 30 20:31:55.506 INFO [stderr]    |
Nov 30 20:31:55.506 INFO [stderr] 59 |         for i in 0..index {
Nov 30 20:31:55.506 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 30 20:31:55.506 INFO [stderr]    |
Nov 30 20:31:55.506 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 20:31:55.506 INFO [stderr] 
Nov 30 20:31:55.506 INFO [stderr] warning: unused variable: `i`
Nov 30 20:31:55.506 INFO [stderr]    --> src/lib.rs:147:17
Nov 30 20:31:55.506 INFO [stderr]     |
Nov 30 20:31:55.506 INFO [stderr] 147 |             for i in 0..(index - 1) {
Nov 30 20:31:55.506 INFO [stderr]     |                 ^ help: consider using `_i` instead
Nov 30 20:31:55.506 INFO [stderr] 
Nov 30 20:31:55.513 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:55.513 INFO [stderr]   --> src/lib.rs:84:13
Nov 30 20:31:55.513 INFO [stderr]    |
Nov 30 20:31:55.513 INFO [stderr] 84 |         let mut c: *mut Node<T>;
Nov 30 20:31:55.513 INFO [stderr]    |             ----^
Nov 30 20:31:55.513 INFO [stderr]    |             |
Nov 30 20:31:55.513 INFO [stderr]    |             help: remove this `mut`
Nov 30 20:31:55.513 INFO [stderr]    |
Nov 30 20:31:55.513 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 20:31:55.513 INFO [stderr] 
Nov 30 20:31:55.513 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:55.513 INFO [stderr]   --> src/lib.rs:85:13
Nov 30 20:31:55.513 INFO [stderr]    |
Nov 30 20:31:55.513 INFO [stderr] 85 |         let mut a: *mut Option<Rc<RefCell<Node<T>>>>;
Nov 30 20:31:55.513 INFO [stderr]    |             ----^
Nov 30 20:31:55.513 INFO [stderr]    |             |
Nov 30 20:31:55.513 INFO [stderr]    |             help: remove this `mut`
Nov 30 20:31:55.513 INFO [stderr] 
Nov 30 20:31:55.513 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:55.514 INFO [stderr]    --> src/lib.rs:101:13
Nov 30 20:31:55.514 INFO [stderr]     |
Nov 30 20:31:55.514 INFO [stderr] 101 |         let mut a: *mut Option<Rc<RefCell<Node<T>>>>;
Nov 30 20:31:55.514 INFO [stderr]     |             ----^
Nov 30 20:31:55.514 INFO [stderr]     |             |
Nov 30 20:31:55.514 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:55.514 INFO [stderr] 
Nov 30 20:31:55.514 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:55.514 INFO [stderr]    --> src/lib.rs:102:13
Nov 30 20:31:55.514 INFO [stderr]     |
Nov 30 20:31:55.514 INFO [stderr] 102 |         let mut b: *mut T;
Nov 30 20:31:55.514 INFO [stderr]     |             ----^
Nov 30 20:31:55.514 INFO [stderr]     |             |
Nov 30 20:31:55.514 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:55.514 INFO [stderr] 
Nov 30 20:31:55.547 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:55.547 INFO [stderr]    --> src/lib.rs:122:13
Nov 30 20:31:55.547 INFO [stderr]     |
Nov 30 20:31:55.547 INFO [stderr] 122 |         let mut last: *mut Node<T>;
Nov 30 20:31:55.547 INFO [stderr]     |             ----^^^^
Nov 30 20:31:55.547 INFO [stderr]     |             |
Nov 30 20:31:55.547 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:55.547 INFO [stderr] 
Nov 30 20:31:55.547 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:55.547 INFO [stderr]    --> src/lib.rs:123:13
Nov 30 20:31:55.547 INFO [stderr]     |
Nov 30 20:31:55.547 INFO [stderr] 123 |         let mut mid: Rc<RefCell<Node<T>>>;
Nov 30 20:31:55.547 INFO [stderr]     |             ----^^^
Nov 30 20:31:55.547 INFO [stderr]     |             |
Nov 30 20:31:55.547 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:55.547 INFO [stderr] 
Nov 30 20:31:55.547 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:55.547 INFO [stderr]    --> src/lib.rs:124:13
Nov 30 20:31:55.547 INFO [stderr]     |
Nov 30 20:31:55.547 INFO [stderr] 124 |         let mut next: Rc<RefCell<Node<T>>>;
Nov 30 20:31:55.547 INFO [stderr]     |             ----^^^^
Nov 30 20:31:55.547 INFO [stderr]     |             |
Nov 30 20:31:55.547 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:55.547 INFO [stderr] 
Nov 30 20:31:55.547 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:55.547 INFO [stderr]    --> src/lib.rs:216:13
Nov 30 20:31:55.547 INFO [stderr]     |
Nov 30 20:31:55.547 INFO [stderr] 216 |         let mut a : &'a Rc<RefCell<Node<T>>>;
Nov 30 20:31:55.547 INFO [stderr]     |             ----^
Nov 30 20:31:55.547 INFO [stderr]     |             |
Nov 30 20:31:55.547 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:55.548 INFO [stderr] 
Nov 30 20:31:55.548 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:55.548 INFO [stderr]    --> src/lib.rs:217:13
Nov 30 20:31:55.548 INFO [stderr]     |
Nov 30 20:31:55.548 INFO [stderr] 217 |         let mut b :  RefMut<Node<T>>;
Nov 30 20:31:55.548 INFO [stderr]     |             ----^
Nov 30 20:31:55.548 INFO [stderr]     |             |
Nov 30 20:31:55.548 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:55.548 INFO [stderr] 
Nov 30 20:31:55.548 INFO [stderr] warning: variable does not need to be mutable
Nov 30 20:31:55.548 INFO [stderr]    --> src/lib.rs:218:13
Nov 30 20:31:55.548 INFO [stderr]     |
Nov 30 20:31:55.548 INFO [stderr] 218 |         let mut c : * mut T;
Nov 30 20:31:55.548 INFO [stderr]     |             ----^
Nov 30 20:31:55.548 INFO [stderr]     |             |
Nov 30 20:31:55.548 INFO [stderr]     |             help: remove this `mut`
Nov 30 20:31:55.548 INFO [stderr] 
Nov 30 20:31:55.548 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list`
Nov 30 20:31:55.548 INFO [stderr]   |
Nov 30 20:31:55.548 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 30 20:31:55.548 INFO [stderr] 
Nov 30 20:31:55.548 INFO [stderr] warning: structure field `phantomData` should have a snake case name such as `phantom_data`
Nov 30 20:31:55.548 INFO [stderr]   --> src/lib.rs:17:5
Nov 30 20:31:55.548 INFO [stderr]    |
Nov 30 20:31:55.548 INFO [stderr] 17 |     phantomData : PhantomData<&'a T>
Nov 30 20:31:55.548 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:31:55.548 INFO [stderr] 
Nov 30 20:31:55.548 INFO [stderr] warning: method `getSize` should have a snake case name such as `get_size`
Nov 30 20:31:55.548 INFO [stderr]   --> src/lib.rs:76:5
Nov 30 20:31:55.548 INFO [stderr]    |
Nov 30 20:31:55.548 INFO [stderr] 76 | /     pub fn getSize(&self) -> u32 {
Nov 30 20:31:55.548 INFO [stderr] 77 | |         self.size
Nov 30 20:31:55.548 INFO [stderr] 78 | |     }
Nov 30 20:31:55.548 INFO [stderr]    | |_____^
Nov 30 20:31:55.548 INFO [stderr] 
Nov 30 20:31:55.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:31:55.548 INFO [stderr]    --> src/lib.rs:188:13
Nov 30 20:31:55.548 INFO [stderr]     |
Nov 30 20:31:55.548 INFO [stderr] 188 |             write!(f, "[ ");
Nov 30 20:31:55.548 INFO [stderr]     |             ^^^^^^^^^^^^^^^^
Nov 30 20:31:55.548 INFO [stderr]     |
Nov 30 20:31:55.548 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 20:31:55.548 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:31:55.548 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 20:31:55.548 INFO [stderr] 
Nov 30 20:31:55.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:31:55.548 INFO [stderr]    --> src/lib.rs:194:29
Nov 30 20:31:55.548 INFO [stderr]     |
Nov 30 20:31:55.548 INFO [stderr] 194 |                             write!(f, "{}", *b);
Nov 30 20:31:55.548 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^
Nov 30 20:31:55.548 INFO [stderr]     |
Nov 30 20:31:55.548 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:31:55.548 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 20:31:55.548 INFO [stderr] 
Nov 30 20:31:55.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:31:55.548 INFO [stderr]    --> src/lib.rs:196:29
Nov 30 20:31:55.548 INFO [stderr]     |
Nov 30 20:31:55.548 INFO [stderr] 196 |                             write!(f, "{},", *b);
Nov 30 20:31:55.548 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
Nov 30 20:31:55.548 INFO [stderr]     |
Nov 30 20:31:55.548 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:31:55.548 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 20:31:55.548 INFO [stderr] 
Nov 30 20:31:55.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 20:31:55.548 INFO [stderr]    --> src/lib.rs:201:25
Nov 30 20:31:55.548 INFO [stderr]     |
Nov 30 20:31:55.548 INFO [stderr] 201 |                         write!(f, " ]");
Nov 30 20:31:55.548 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^
Nov 30 20:31:55.548 INFO [stderr]     |
Nov 30 20:31:55.548 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 20:31:55.548 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 20:31:55.548 INFO [stderr] 
Nov 30 20:31:56.411 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Nov 30 20:31:56.414 INFO [stderr] su: No module specific data is present
Nov 30 20:31:57.423 INFO running `"docker" "inspect" "c344fd9a30168371ccb1fb01507577d8cf40029fdfd25b659b12a8cfc337f50a"`
Nov 30 20:31:57.683 INFO running `"docker" "rm" "-f" "c344fd9a30168371ccb1fb01507577d8cf40029fdfd25b659b12a8cfc337f50a"`
Nov 30 20:31:57.990 INFO [stdout] c344fd9a30168371ccb1fb01507577d8cf40029fdfd25b659b12a8cfc337f50a
Nov 30 20:31:57.992 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 20:31:58.379 INFO [stdout] 85ef115039a9c6997a83e76248ff0240052ee60d38e136847ea2b412ba7a84d3
Nov 30 20:31:58.383 INFO running `"docker" "start" "-a" "85ef115039a9c6997a83e76248ff0240052ee60d38e136847ea2b412ba7a84d3"`
Nov 30 20:31:59.426 INFO [stderr] usermod: no changes
Nov 30 20:31:59.487 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 30 20:31:59.488 INFO [stderr]      Running /target/debug/deps/LinkedList-9953449c96e1a41c
Nov 30 20:31:59.499 INFO [stdout] 
Nov 30 20:31:59.499 INFO [stdout] running 0 tests
Nov 30 20:31:59.499 INFO [stdout] 
Nov 30 20:31:59.499 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 30 20:31:59.499 INFO [stdout] 
Nov 30 20:31:59.500 INFO [stderr]      Running /target/debug/deps/LinkedList-bba5b27bc304c649
Nov 30 20:31:59.511 INFO [stderr]    Doc-tests LinkedList
Nov 30 20:31:59.511 INFO [stdout] 
Nov 30 20:31:59.511 INFO [stdout] running 0 tests
Nov 30 20:31:59.511 INFO [stdout] 
Nov 30 20:31:59.511 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 30 20:31:59.511 INFO [stdout] 
Nov 30 20:31:59.753 INFO [stdout] 
Nov 30 20:31:59.753 INFO [stdout] running 0 tests
Nov 30 20:31:59.753 INFO [stdout] 
Nov 30 20:31:59.753 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 30 20:31:59.753 INFO [stdout] 
Nov 30 20:31:59.787 INFO [stderr] su: No module specific data is present
Nov 30 20:32:00.585 INFO running `"docker" "inspect" "85ef115039a9c6997a83e76248ff0240052ee60d38e136847ea2b412ba7a84d3"`
Nov 30 20:32:00.804 INFO running `"docker" "rm" "-f" "85ef115039a9c6997a83e76248ff0240052ee60d38e136847ea2b412ba7a84d3"`
Nov 30 20:32:01.075 INFO [stdout] 85ef115039a9c6997a83e76248ff0240052ee60d38e136847ea2b412ba7a84d3
