Nov 27 16:56:24.881 INFO checking wu1274704958/LinkedList against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074 Nov 27 16:56:24.882 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Nov 27 16:56:25.295 INFO [stdout] 5d663142e845253adf51d67ec31689e90399b9d64bd4509d708e551521ca4d05 Nov 27 16:56:25.302 INFO running `"docker" "start" "-a" "5d663142e845253adf51d67ec31689e90399b9d64bd4509d708e551521ca4d05"` Nov 27 16:56:26.608 INFO [stderr] usermod: no changes Nov 27 16:56:26.660 INFO [stderr] Checking LinkedList v0.1.0 (/source) Nov 27 16:56:26.804 INFO [stderr] warning: unused import: `std::cell::Ref` Nov 27 16:56:26.804 INFO [stderr] --> src/lib.rs:7:5 Nov 27 16:56:26.804 INFO [stderr] | Nov 27 16:56:26.804 INFO [stderr] 7 | use std::cell::Ref; Nov 27 16:56:26.804 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 27 16:56:26.804 INFO [stderr] | Nov 27 16:56:26.804 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 27 16:56:26.805 INFO [stderr] Nov 27 16:56:26.805 INFO [stderr] warning: unused import: `std::convert` Nov 27 16:56:26.805 INFO [stderr] --> src/lib.rs:8:5 Nov 27 16:56:26.805 INFO [stderr] | Nov 27 16:56:26.805 INFO [stderr] 8 | use std::convert; Nov 27 16:56:26.805 INFO [stderr] | ^^^^^^^^^^^^ Nov 27 16:56:26.805 INFO [stderr] Nov 27 16:56:26.860 INFO [stderr] warning: unused variable: `i` Nov 27 16:56:26.861 INFO [stderr] --> src/lib.rs:59:13 Nov 27 16:56:26.861 INFO [stderr] | Nov 27 16:56:26.861 INFO [stderr] 59 | for i in 0..index { Nov 27 16:56:26.861 INFO [stderr] | ^ help: consider using `_i` instead Nov 27 16:56:26.861 INFO [stderr] | Nov 27 16:56:26.861 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 27 16:56:26.861 INFO [stderr] Nov 27 16:56:26.861 INFO [stderr] warning: unused variable: `i` Nov 27 16:56:26.861 INFO [stderr] --> src/lib.rs:147:17 Nov 27 16:56:26.861 INFO [stderr] | Nov 27 16:56:26.861 INFO [stderr] 147 | for i in 0..(index - 1) { Nov 27 16:56:26.861 INFO [stderr] | ^ help: consider using `_i` instead Nov 27 16:56:26.861 INFO [stderr] Nov 27 16:56:26.865 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:26.866 INFO [stderr] --> src/lib.rs:84:13 Nov 27 16:56:26.866 INFO [stderr] | Nov 27 16:56:26.867 INFO [stderr] 84 | let mut c: *mut Node; Nov 27 16:56:26.867 INFO [stderr] | ----^ Nov 27 16:56:26.867 INFO [stderr] | | Nov 27 16:56:26.867 INFO [stderr] | help: remove this `mut` Nov 27 16:56:26.867 INFO [stderr] | Nov 27 16:56:26.867 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 27 16:56:26.867 INFO [stderr] Nov 27 16:56:26.869 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:26.869 INFO [stderr] --> src/lib.rs:85:13 Nov 27 16:56:26.869 INFO [stderr] | Nov 27 16:56:26.869 INFO [stderr] 85 | let mut a: *mut Option>>>; Nov 27 16:56:26.869 INFO [stderr] | ----^ Nov 27 16:56:26.869 INFO [stderr] | | Nov 27 16:56:26.869 INFO [stderr] | help: remove this `mut` Nov 27 16:56:26.869 INFO [stderr] Nov 27 16:56:26.870 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:26.870 INFO [stderr] --> src/lib.rs:101:13 Nov 27 16:56:26.870 INFO [stderr] | Nov 27 16:56:26.871 INFO [stderr] 101 | let mut a: *mut Option>>>; Nov 27 16:56:26.871 INFO [stderr] | ----^ Nov 27 16:56:26.871 INFO [stderr] | | Nov 27 16:56:26.871 INFO [stderr] | help: remove this `mut` Nov 27 16:56:26.875 INFO [stderr] Nov 27 16:56:26.875 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:26.875 INFO [stderr] --> src/lib.rs:102:13 Nov 27 16:56:26.875 INFO [stderr] | Nov 27 16:56:26.875 INFO [stderr] 102 | let mut b: *mut T; Nov 27 16:56:26.875 INFO [stderr] | ----^ Nov 27 16:56:26.875 INFO [stderr] | | Nov 27 16:56:26.875 INFO [stderr] | help: remove this `mut` Nov 27 16:56:26.876 INFO [stderr] Nov 27 16:56:26.876 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:26.876 INFO [stderr] --> src/lib.rs:122:13 Nov 27 16:56:26.877 INFO [stderr] | Nov 27 16:56:26.877 INFO [stderr] 122 | let mut last: *mut Node; Nov 27 16:56:26.877 INFO [stderr] | ----^^^^ Nov 27 16:56:26.877 INFO [stderr] | | Nov 27 16:56:26.878 INFO [stderr] | help: remove this `mut` Nov 27 16:56:26.878 INFO [stderr] Nov 27 16:56:26.878 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:26.878 INFO [stderr] --> src/lib.rs:123:13 Nov 27 16:56:26.878 INFO [stderr] | Nov 27 16:56:26.878 INFO [stderr] 123 | let mut mid: Rc>>; Nov 27 16:56:26.878 INFO [stderr] | ----^^^ Nov 27 16:56:26.878 INFO [stderr] | | Nov 27 16:56:26.878 INFO [stderr] | help: remove this `mut` Nov 27 16:56:26.878 INFO [stderr] Nov 27 16:56:26.880 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:26.880 INFO [stderr] --> src/lib.rs:124:13 Nov 27 16:56:26.880 INFO [stderr] | Nov 27 16:56:26.880 INFO [stderr] 124 | let mut next: Rc>>; Nov 27 16:56:26.880 INFO [stderr] | ----^^^^ Nov 27 16:56:26.881 INFO [stderr] | | Nov 27 16:56:26.881 INFO [stderr] | help: remove this `mut` Nov 27 16:56:26.881 INFO [stderr] Nov 27 16:56:26.887 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:26.887 INFO [stderr] --> src/lib.rs:216:13 Nov 27 16:56:26.888 INFO [stderr] | Nov 27 16:56:26.888 INFO [stderr] 216 | let mut a : &'a Rc>>; Nov 27 16:56:26.888 INFO [stderr] | ----^ Nov 27 16:56:26.888 INFO [stderr] | | Nov 27 16:56:26.888 INFO [stderr] | help: remove this `mut` Nov 27 16:56:26.888 INFO [stderr] Nov 27 16:56:26.889 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:26.889 INFO [stderr] --> src/lib.rs:217:13 Nov 27 16:56:26.889 INFO [stderr] | Nov 27 16:56:26.889 INFO [stderr] 217 | let mut b : RefMut>; Nov 27 16:56:26.889 INFO [stderr] | ----^ Nov 27 16:56:26.889 INFO [stderr] | | Nov 27 16:56:26.889 INFO [stderr] | help: remove this `mut` Nov 27 16:56:26.890 INFO [stderr] Nov 27 16:56:26.890 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:26.890 INFO [stderr] --> src/lib.rs:218:13 Nov 27 16:56:26.890 INFO [stderr] | Nov 27 16:56:26.890 INFO [stderr] 218 | let mut c : * mut T; Nov 27 16:56:26.890 INFO [stderr] | ----^ Nov 27 16:56:26.890 INFO [stderr] | | Nov 27 16:56:26.890 INFO [stderr] | help: remove this `mut` Nov 27 16:56:26.891 INFO [stderr] Nov 27 16:56:26.891 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Nov 27 16:56:26.892 INFO [stderr] | Nov 27 16:56:26.892 INFO [stderr] = note: #[warn(non_snake_case)] on by default Nov 27 16:56:26.893 INFO [stderr] Nov 27 16:56:26.894 INFO [stderr] warning: structure field `phantomData` should have a snake case name such as `phantom_data` Nov 27 16:56:26.894 INFO [stderr] --> src/lib.rs:17:5 Nov 27 16:56:26.895 INFO [stderr] | Nov 27 16:56:26.895 INFO [stderr] 17 | phantomData : PhantomData<&'a T> Nov 27 16:56:26.895 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 16:56:26.896 INFO [stderr] Nov 27 16:56:26.896 INFO [stderr] warning: method `getSize` should have a snake case name such as `get_size` Nov 27 16:56:26.897 INFO [stderr] --> src/lib.rs:76:5 Nov 27 16:56:26.897 INFO [stderr] | Nov 27 16:56:26.898 INFO [stderr] 76 | / pub fn getSize(&self) -> u32 { Nov 27 16:56:26.898 INFO [stderr] 77 | | self.size Nov 27 16:56:26.898 INFO [stderr] 78 | | } Nov 27 16:56:26.898 INFO [stderr] | |_____^ Nov 27 16:56:26.898 INFO [stderr] Nov 27 16:56:26.899 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 27 16:56:26.899 INFO [stderr] --> src/lib.rs:188:13 Nov 27 16:56:26.900 INFO [stderr] | Nov 27 16:56:26.900 INFO [stderr] 188 | write!(f, "[ "); Nov 27 16:56:26.901 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 27 16:56:26.901 INFO [stderr] | Nov 27 16:56:26.901 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 27 16:56:26.902 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 27 16:56:26.902 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 27 16:56:26.902 INFO [stderr] Nov 27 16:56:26.903 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 27 16:56:26.903 INFO [stderr] --> src/lib.rs:194:29 Nov 27 16:56:26.903 INFO [stderr] | Nov 27 16:56:26.904 INFO [stderr] 194 | write!(f, "{}", *b); Nov 27 16:56:26.904 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 27 16:56:26.904 INFO [stderr] | Nov 27 16:56:26.904 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 27 16:56:26.904 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 27 16:56:26.904 INFO [stderr] Nov 27 16:56:26.905 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 27 16:56:26.905 INFO [stderr] --> src/lib.rs:196:29 Nov 27 16:56:26.905 INFO [stderr] | Nov 27 16:56:26.905 INFO [stderr] 196 | write!(f, "{},", *b); Nov 27 16:56:26.905 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 27 16:56:26.905 INFO [stderr] | Nov 27 16:56:26.905 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 27 16:56:26.905 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 27 16:56:26.905 INFO [stderr] Nov 27 16:56:26.906 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 27 16:56:26.906 INFO [stderr] --> src/lib.rs:201:25 Nov 27 16:56:26.906 INFO [stderr] | Nov 27 16:56:26.906 INFO [stderr] 201 | write!(f, " ]"); Nov 27 16:56:26.906 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 27 16:56:26.906 INFO [stderr] | Nov 27 16:56:26.906 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 27 16:56:26.906 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 27 16:56:26.906 INFO [stderr] Nov 27 16:56:27.048 INFO [stderr] warning: unused import: `std::cell::Ref` Nov 27 16:56:27.048 INFO [stderr] --> src/lib.rs:7:5 Nov 27 16:56:27.048 INFO [stderr] | Nov 27 16:56:27.048 INFO [stderr] 7 | use std::cell::Ref; Nov 27 16:56:27.048 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 27 16:56:27.048 INFO [stderr] | Nov 27 16:56:27.048 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 27 16:56:27.048 INFO [stderr] Nov 27 16:56:27.048 INFO [stderr] warning: unused import: `std::convert` Nov 27 16:56:27.049 INFO [stderr] --> src/lib.rs:8:5 Nov 27 16:56:27.049 INFO [stderr] | Nov 27 16:56:27.049 INFO [stderr] 8 | use std::convert; Nov 27 16:56:27.049 INFO [stderr] | ^^^^^^^^^^^^ Nov 27 16:56:27.049 INFO [stderr] Nov 27 16:56:27.122 INFO [stderr] warning: unused variable: `i` Nov 27 16:56:27.122 INFO [stderr] --> src/lib.rs:59:13 Nov 27 16:56:27.122 INFO [stderr] | Nov 27 16:56:27.122 INFO [stderr] 59 | for i in 0..index { Nov 27 16:56:27.122 INFO [stderr] | ^ help: consider using `_i` instead Nov 27 16:56:27.122 INFO [stderr] | Nov 27 16:56:27.123 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 27 16:56:27.123 INFO [stderr] Nov 27 16:56:27.123 INFO [stderr] warning: unused variable: `i` Nov 27 16:56:27.124 INFO [stderr] --> src/lib.rs:147:17 Nov 27 16:56:27.124 INFO [stderr] | Nov 27 16:56:27.124 INFO [stderr] 147 | for i in 0..(index - 1) { Nov 27 16:56:27.124 INFO [stderr] | ^ help: consider using `_i` instead Nov 27 16:56:27.124 INFO [stderr] Nov 27 16:56:27.132 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:27.132 INFO [stderr] --> src/lib.rs:84:13 Nov 27 16:56:27.132 INFO [stderr] | Nov 27 16:56:27.132 INFO [stderr] 84 | let mut c: *mut Node; Nov 27 16:56:27.132 INFO [stderr] | ----^ Nov 27 16:56:27.132 INFO [stderr] | | Nov 27 16:56:27.132 INFO [stderr] | help: remove this `mut` Nov 27 16:56:27.132 INFO [stderr] | Nov 27 16:56:27.132 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 27 16:56:27.132 INFO [stderr] Nov 27 16:56:27.132 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:27.132 INFO [stderr] --> src/lib.rs:85:13 Nov 27 16:56:27.132 INFO [stderr] | Nov 27 16:56:27.132 INFO [stderr] 85 | let mut a: *mut Option>>>; Nov 27 16:56:27.132 INFO [stderr] | ----^ Nov 27 16:56:27.132 INFO [stderr] | | Nov 27 16:56:27.132 INFO [stderr] | help: remove this `mut` Nov 27 16:56:27.132 INFO [stderr] Nov 27 16:56:27.132 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:27.132 INFO [stderr] --> src/lib.rs:101:13 Nov 27 16:56:27.132 INFO [stderr] | Nov 27 16:56:27.132 INFO [stderr] 101 | let mut a: *mut Option>>>; Nov 27 16:56:27.132 INFO [stderr] | ----^ Nov 27 16:56:27.132 INFO [stderr] | | Nov 27 16:56:27.132 INFO [stderr] | help: remove this `mut` Nov 27 16:56:27.132 INFO [stderr] Nov 27 16:56:27.132 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:27.132 INFO [stderr] --> src/lib.rs:102:13 Nov 27 16:56:27.132 INFO [stderr] | Nov 27 16:56:27.132 INFO [stderr] 102 | let mut b: *mut T; Nov 27 16:56:27.133 INFO [stderr] | ----^ Nov 27 16:56:27.133 INFO [stderr] | | Nov 27 16:56:27.133 INFO [stderr] | help: remove this `mut` Nov 27 16:56:27.133 INFO [stderr] Nov 27 16:56:27.136 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:27.136 INFO [stderr] --> src/lib.rs:122:13 Nov 27 16:56:27.136 INFO [stderr] | Nov 27 16:56:27.136 INFO [stderr] 122 | let mut last: *mut Node; Nov 27 16:56:27.136 INFO [stderr] | ----^^^^ Nov 27 16:56:27.136 INFO [stderr] | | Nov 27 16:56:27.137 INFO [stderr] | help: remove this `mut` Nov 27 16:56:27.137 INFO [stderr] Nov 27 16:56:27.137 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:27.137 INFO [stderr] --> src/lib.rs:123:13 Nov 27 16:56:27.137 INFO [stderr] | Nov 27 16:56:27.137 INFO [stderr] 123 | let mut mid: Rc>>; Nov 27 16:56:27.137 INFO [stderr] | ----^^^ Nov 27 16:56:27.137 INFO [stderr] | | Nov 27 16:56:27.137 INFO [stderr] | help: remove this `mut` Nov 27 16:56:27.137 INFO [stderr] Nov 27 16:56:27.137 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:27.137 INFO [stderr] --> src/lib.rs:124:13 Nov 27 16:56:27.137 INFO [stderr] | Nov 27 16:56:27.137 INFO [stderr] 124 | let mut next: Rc>>; Nov 27 16:56:27.137 INFO [stderr] | ----^^^^ Nov 27 16:56:27.138 INFO [stderr] | | Nov 27 16:56:27.138 INFO [stderr] | help: remove this `mut` Nov 27 16:56:27.138 INFO [stderr] Nov 27 16:56:27.144 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:27.144 INFO [stderr] --> src/lib.rs:216:13 Nov 27 16:56:27.144 INFO [stderr] | Nov 27 16:56:27.144 INFO [stderr] 216 | let mut a : &'a Rc>>; Nov 27 16:56:27.144 INFO [stderr] | ----^ Nov 27 16:56:27.144 INFO [stderr] | | Nov 27 16:56:27.144 INFO [stderr] | help: remove this `mut` Nov 27 16:56:27.144 INFO [stderr] Nov 27 16:56:27.144 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:27.144 INFO [stderr] --> src/lib.rs:217:13 Nov 27 16:56:27.144 INFO [stderr] | Nov 27 16:56:27.144 INFO [stderr] 217 | let mut b : RefMut>; Nov 27 16:56:27.144 INFO [stderr] | ----^ Nov 27 16:56:27.144 INFO [stderr] | | Nov 27 16:56:27.144 INFO [stderr] | help: remove this `mut` Nov 27 16:56:27.144 INFO [stderr] Nov 27 16:56:27.144 INFO [stderr] warning: variable does not need to be mutable Nov 27 16:56:27.144 INFO [stderr] --> src/lib.rs:218:13 Nov 27 16:56:27.144 INFO [stderr] | Nov 27 16:56:27.144 INFO [stderr] 218 | let mut c : * mut T; Nov 27 16:56:27.144 INFO [stderr] | ----^ Nov 27 16:56:27.144 INFO [stderr] | | Nov 27 16:56:27.144 INFO [stderr] | help: remove this `mut` Nov 27 16:56:27.144 INFO [stderr] Nov 27 16:56:27.144 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Nov 27 16:56:27.144 INFO [stderr] | Nov 27 16:56:27.144 INFO [stderr] = note: #[warn(non_snake_case)] on by default Nov 27 16:56:27.144 INFO [stderr] Nov 27 16:56:27.145 INFO [stderr] warning: structure field `phantomData` should have a snake case name such as `phantom_data` Nov 27 16:56:27.145 INFO [stderr] --> src/lib.rs:17:5 Nov 27 16:56:27.146 INFO [stderr] | Nov 27 16:56:27.146 INFO [stderr] 17 | phantomData : PhantomData<&'a T> Nov 27 16:56:27.146 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 27 16:56:27.146 INFO [stderr] Nov 27 16:56:27.146 INFO [stderr] warning: method `getSize` should have a snake case name such as `get_size` Nov 27 16:56:27.146 INFO [stderr] --> src/lib.rs:76:5 Nov 27 16:56:27.146 INFO [stderr] | Nov 27 16:56:27.149 INFO [stderr] 76 | / pub fn getSize(&self) -> u32 { Nov 27 16:56:27.149 INFO [stderr] 77 | | self.size Nov 27 16:56:27.149 INFO [stderr] 78 | | } Nov 27 16:56:27.149 INFO [stderr] | |_____^ Nov 27 16:56:27.149 INFO [stderr] Nov 27 16:56:27.149 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 27 16:56:27.149 INFO [stderr] --> src/lib.rs:188:13 Nov 27 16:56:27.149 INFO [stderr] | Nov 27 16:56:27.149 INFO [stderr] 188 | write!(f, "[ "); Nov 27 16:56:27.149 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 27 16:56:27.149 INFO [stderr] | Nov 27 16:56:27.149 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 27 16:56:27.149 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 27 16:56:27.149 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 27 16:56:27.149 INFO [stderr] Nov 27 16:56:27.149 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 27 16:56:27.149 INFO [stderr] --> src/lib.rs:194:29 Nov 27 16:56:27.149 INFO [stderr] | Nov 27 16:56:27.149 INFO [stderr] 194 | write!(f, "{}", *b); Nov 27 16:56:27.149 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 27 16:56:27.149 INFO [stderr] | Nov 27 16:56:27.149 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 27 16:56:27.149 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 27 16:56:27.149 INFO [stderr] Nov 27 16:56:27.149 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 27 16:56:27.149 INFO [stderr] --> src/lib.rs:196:29 Nov 27 16:56:27.149 INFO [stderr] | Nov 27 16:56:27.149 INFO [stderr] 196 | write!(f, "{},", *b); Nov 27 16:56:27.149 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 27 16:56:27.149 INFO [stderr] | Nov 27 16:56:27.149 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 27 16:56:27.149 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 27 16:56:27.149 INFO [stderr] Nov 27 16:56:27.149 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 27 16:56:27.149 INFO [stderr] --> src/lib.rs:201:25 Nov 27 16:56:27.149 INFO [stderr] | Nov 27 16:56:27.149 INFO [stderr] 201 | write!(f, " ]"); Nov 27 16:56:27.149 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 27 16:56:27.149 INFO [stderr] | Nov 27 16:56:27.149 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 27 16:56:27.149 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 27 16:56:27.149 INFO [stderr] Nov 27 16:56:27.161 INFO [stderr] warning: function is never used: `test2` Nov 27 16:56:27.161 INFO [stderr] --> src/main.rs:68:1 Nov 27 16:56:27.161 INFO [stderr] | Nov 27 16:56:27.161 INFO [stderr] 68 | fn test2() Nov 27 16:56:27.161 INFO [stderr] | ^^^^^^^^^^ Nov 27 16:56:27.161 INFO [stderr] | Nov 27 16:56:27.161 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 27 16:56:27.162 INFO [stderr] Nov 27 16:56:27.162 INFO [stderr] warning: function is never used: `test3` Nov 27 16:56:27.162 INFO [stderr] --> src/main.rs:75:1 Nov 27 16:56:27.162 INFO [stderr] | Nov 27 16:56:27.162 INFO [stderr] 75 | fn test3() Nov 27 16:56:27.162 INFO [stderr] | ^^^^^^^^^^ Nov 27 16:56:27.162 INFO [stderr] Nov 27 16:56:27.162 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Nov 27 16:56:27.162 INFO [stderr] | Nov 27 16:56:27.162 INFO [stderr] = note: #[warn(non_snake_case)] on by default Nov 27 16:56:27.162 INFO [stderr] Nov 27 16:56:27.258 INFO [stderr] warning: function is never used: `test2` Nov 27 16:56:27.258 INFO [stderr] --> src/main.rs:68:1 Nov 27 16:56:27.258 INFO [stderr] | Nov 27 16:56:27.258 INFO [stderr] 68 | fn test2() Nov 27 16:56:27.258 INFO [stderr] | ^^^^^^^^^^ Nov 27 16:56:27.258 INFO [stderr] | Nov 27 16:56:27.258 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 27 16:56:27.258 INFO [stderr] Nov 27 16:56:27.258 INFO [stderr] warning: function is never used: `test3` Nov 27 16:56:27.258 INFO [stderr] --> src/main.rs:75:1 Nov 27 16:56:27.258 INFO [stderr] | Nov 27 16:56:27.258 INFO [stderr] 75 | fn test3() Nov 27 16:56:27.258 INFO [stderr] | ^^^^^^^^^^ Nov 27 16:56:27.258 INFO [stderr] Nov 27 16:56:27.258 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Nov 27 16:56:27.258 INFO [stderr] | Nov 27 16:56:27.258 INFO [stderr] = note: #[warn(non_snake_case)] on by default Nov 27 16:56:27.258 INFO [stderr] Nov 27 16:56:27.283 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s Nov 27 16:56:27.284 INFO [stderr] su: No module specific data is present Nov 27 16:56:27.590 INFO running `"docker" "inspect" "5d663142e845253adf51d67ec31689e90399b9d64bd4509d708e551521ca4d05"` Nov 27 16:56:27.693 INFO running `"docker" "rm" "-f" "5d663142e845253adf51d67ec31689e90399b9d64bd4509d708e551521ca4d05"` Nov 27 16:56:27.776 INFO [stdout] 5d663142e845253adf51d67ec31689e90399b9d64bd4509d708e551521ca4d05