Nov 29 14:50:11.289 INFO checking wu1274704958/LinkedList against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323 Nov 29 14:50:11.289 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 14:50:11.502 INFO [stdout] 34ceeb0c31b2c63b963ec4b5e142e025d72b2b7f3e7e5a9fd90c25007155615d Nov 29 14:50:11.504 INFO running `"docker" "start" "-a" "34ceeb0c31b2c63b963ec4b5e142e025d72b2b7f3e7e5a9fd90c25007155615d"` Nov 29 14:50:12.408 INFO [stderr] usermod: no changes Nov 29 14:50:12.464 INFO [stderr] Checking LinkedList v0.1.0 (/source) Nov 29 14:50:12.635 INFO [stderr] warning: unused import: `std::cell::Ref` Nov 29 14:50:12.635 INFO [stderr] --> src/lib.rs:7:5 Nov 29 14:50:12.635 INFO [stderr] | Nov 29 14:50:12.635 INFO [stderr] 7 | use std::cell::Ref; Nov 29 14:50:12.635 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 29 14:50:12.635 INFO [stderr] | Nov 29 14:50:12.635 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 29 14:50:12.635 INFO [stderr] Nov 29 14:50:12.635 INFO [stderr] warning: unused import: `std::convert` Nov 29 14:50:12.635 INFO [stderr] --> src/lib.rs:8:5 Nov 29 14:50:12.635 INFO [stderr] | Nov 29 14:50:12.635 INFO [stderr] 8 | use std::convert; Nov 29 14:50:12.635 INFO [stderr] | ^^^^^^^^^^^^ Nov 29 14:50:12.636 INFO [stderr] Nov 29 14:50:12.660 INFO [stderr] warning: unused import: `std::cell::Ref` Nov 29 14:50:12.660 INFO [stderr] --> src/lib.rs:7:5 Nov 29 14:50:12.660 INFO [stderr] | Nov 29 14:50:12.660 INFO [stderr] 7 | use std::cell::Ref; Nov 29 14:50:12.660 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 29 14:50:12.660 INFO [stderr] | Nov 29 14:50:12.660 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 29 14:50:12.660 INFO [stderr] Nov 29 14:50:12.660 INFO [stderr] warning: unused import: `std::convert` Nov 29 14:50:12.660 INFO [stderr] --> src/lib.rs:8:5 Nov 29 14:50:12.660 INFO [stderr] | Nov 29 14:50:12.660 INFO [stderr] 8 | use std::convert; Nov 29 14:50:12.660 INFO [stderr] | ^^^^^^^^^^^^ Nov 29 14:50:12.660 INFO [stderr] Nov 29 14:50:12.704 INFO [stderr] warning: unused variable: `i` Nov 29 14:50:12.704 INFO [stderr] --> src/lib.rs:59:13 Nov 29 14:50:12.704 INFO [stderr] | Nov 29 14:50:12.704 INFO [stderr] 59 | for i in 0..index { Nov 29 14:50:12.704 INFO [stderr] | ^ help: consider using `_i` instead Nov 29 14:50:12.704 INFO [stderr] | Nov 29 14:50:12.704 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 29 14:50:12.704 INFO [stderr] Nov 29 14:50:12.704 INFO [stderr] warning: unused variable: `i` Nov 29 14:50:12.704 INFO [stderr] --> src/lib.rs:147:17 Nov 29 14:50:12.705 INFO [stderr] | Nov 29 14:50:12.705 INFO [stderr] 147 | for i in 0..(index - 1) { Nov 29 14:50:12.705 INFO [stderr] | ^ help: consider using `_i` instead Nov 29 14:50:12.705 INFO [stderr] Nov 29 14:50:12.710 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.710 INFO [stderr] --> src/lib.rs:84:13 Nov 29 14:50:12.710 INFO [stderr] | Nov 29 14:50:12.710 INFO [stderr] 84 | let mut c: *mut Node; Nov 29 14:50:12.710 INFO [stderr] | ----^ Nov 29 14:50:12.710 INFO [stderr] | | Nov 29 14:50:12.710 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.712 INFO [stderr] | Nov 29 14:50:12.712 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 29 14:50:12.712 INFO [stderr] Nov 29 14:50:12.712 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.712 INFO [stderr] --> src/lib.rs:85:13 Nov 29 14:50:12.712 INFO [stderr] | Nov 29 14:50:12.712 INFO [stderr] 85 | let mut a: *mut Option>>>; Nov 29 14:50:12.712 INFO [stderr] | ----^ Nov 29 14:50:12.712 INFO [stderr] | | Nov 29 14:50:12.712 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.712 INFO [stderr] Nov 29 14:50:12.712 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.712 INFO [stderr] --> src/lib.rs:101:13 Nov 29 14:50:12.712 INFO [stderr] | Nov 29 14:50:12.712 INFO [stderr] 101 | let mut a: *mut Option>>>; Nov 29 14:50:12.712 INFO [stderr] | ----^ Nov 29 14:50:12.712 INFO [stderr] | | Nov 29 14:50:12.712 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.712 INFO [stderr] Nov 29 14:50:12.712 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.712 INFO [stderr] --> src/lib.rs:102:13 Nov 29 14:50:12.712 INFO [stderr] | Nov 29 14:50:12.713 INFO [stderr] 102 | let mut b: *mut T; Nov 29 14:50:12.713 INFO [stderr] | ----^ Nov 29 14:50:12.713 INFO [stderr] | | Nov 29 14:50:12.713 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.713 INFO [stderr] Nov 29 14:50:12.716 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.716 INFO [stderr] --> src/lib.rs:122:13 Nov 29 14:50:12.716 INFO [stderr] | Nov 29 14:50:12.716 INFO [stderr] 122 | let mut last: *mut Node; Nov 29 14:50:12.716 INFO [stderr] | ----^^^^ Nov 29 14:50:12.716 INFO [stderr] | | Nov 29 14:50:12.716 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.716 INFO [stderr] Nov 29 14:50:12.716 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.716 INFO [stderr] --> src/lib.rs:123:13 Nov 29 14:50:12.716 INFO [stderr] | Nov 29 14:50:12.716 INFO [stderr] 123 | let mut mid: Rc>>; Nov 29 14:50:12.716 INFO [stderr] | ----^^^ Nov 29 14:50:12.716 INFO [stderr] | | Nov 29 14:50:12.716 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.716 INFO [stderr] Nov 29 14:50:12.716 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.716 INFO [stderr] --> src/lib.rs:124:13 Nov 29 14:50:12.716 INFO [stderr] | Nov 29 14:50:12.716 INFO [stderr] 124 | let mut next: Rc>>; Nov 29 14:50:12.716 INFO [stderr] | ----^^^^ Nov 29 14:50:12.717 INFO [stderr] | | Nov 29 14:50:12.717 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.717 INFO [stderr] Nov 29 14:50:12.725 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.725 INFO [stderr] --> src/lib.rs:216:13 Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] 216 | let mut a : &'a Rc>>; Nov 29 14:50:12.725 INFO [stderr] | ----^ Nov 29 14:50:12.725 INFO [stderr] | | Nov 29 14:50:12.725 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.725 INFO [stderr] Nov 29 14:50:12.725 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.725 INFO [stderr] --> src/lib.rs:217:13 Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] 217 | let mut b : RefMut>; Nov 29 14:50:12.725 INFO [stderr] | ----^ Nov 29 14:50:12.725 INFO [stderr] | | Nov 29 14:50:12.725 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.725 INFO [stderr] Nov 29 14:50:12.725 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.725 INFO [stderr] --> src/lib.rs:218:13 Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] 218 | let mut c : * mut T; Nov 29 14:50:12.725 INFO [stderr] | ----^ Nov 29 14:50:12.725 INFO [stderr] | | Nov 29 14:50:12.725 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.725 INFO [stderr] Nov 29 14:50:12.725 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] = note: #[warn(non_snake_case)] on by default Nov 29 14:50:12.725 INFO [stderr] Nov 29 14:50:12.725 INFO [stderr] warning: structure field `phantomData` should have a snake case name such as `phantom_data` Nov 29 14:50:12.725 INFO [stderr] --> src/lib.rs:17:5 Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] 17 | phantomData : PhantomData<&'a T> Nov 29 14:50:12.725 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 14:50:12.725 INFO [stderr] Nov 29 14:50:12.725 INFO [stderr] warning: method `getSize` should have a snake case name such as `get_size` Nov 29 14:50:12.725 INFO [stderr] --> src/lib.rs:76:5 Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] 76 | / pub fn getSize(&self) -> u32 { Nov 29 14:50:12.725 INFO [stderr] 77 | | self.size Nov 29 14:50:12.725 INFO [stderr] 78 | | } Nov 29 14:50:12.725 INFO [stderr] | |_____^ Nov 29 14:50:12.725 INFO [stderr] Nov 29 14:50:12.725 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:50:12.725 INFO [stderr] --> src/lib.rs:188:13 Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] 188 | write!(f, "[ "); Nov 29 14:50:12.725 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 29 14:50:12.725 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:50:12.725 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 29 14:50:12.725 INFO [stderr] Nov 29 14:50:12.725 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:50:12.725 INFO [stderr] --> src/lib.rs:194:29 Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] 194 | write!(f, "{}", *b); Nov 29 14:50:12.725 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:50:12.725 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 29 14:50:12.725 INFO [stderr] Nov 29 14:50:12.725 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:50:12.725 INFO [stderr] --> src/lib.rs:196:29 Nov 29 14:50:12.725 INFO [stderr] | Nov 29 14:50:12.725 INFO [stderr] 196 | write!(f, "{},", *b); Nov 29 14:50:12.726 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 14:50:12.726 INFO [stderr] | Nov 29 14:50:12.726 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:50:12.726 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 29 14:50:12.726 INFO [stderr] Nov 29 14:50:12.726 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:50:12.726 INFO [stderr] --> src/lib.rs:201:25 Nov 29 14:50:12.726 INFO [stderr] | Nov 29 14:50:12.726 INFO [stderr] 201 | write!(f, " ]"); Nov 29 14:50:12.726 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 29 14:50:12.726 INFO [stderr] | Nov 29 14:50:12.726 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:50:12.726 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 29 14:50:12.726 INFO [stderr] Nov 29 14:50:12.744 INFO [stderr] warning: unused variable: `i` Nov 29 14:50:12.744 INFO [stderr] --> src/lib.rs:59:13 Nov 29 14:50:12.744 INFO [stderr] | Nov 29 14:50:12.744 INFO [stderr] 59 | for i in 0..index { Nov 29 14:50:12.744 INFO [stderr] | ^ help: consider using `_i` instead Nov 29 14:50:12.744 INFO [stderr] | Nov 29 14:50:12.744 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 29 14:50:12.744 INFO [stderr] Nov 29 14:50:12.744 INFO [stderr] warning: unused variable: `i` Nov 29 14:50:12.744 INFO [stderr] --> src/lib.rs:147:17 Nov 29 14:50:12.744 INFO [stderr] | Nov 29 14:50:12.744 INFO [stderr] 147 | for i in 0..(index - 1) { Nov 29 14:50:12.744 INFO [stderr] | ^ help: consider using `_i` instead Nov 29 14:50:12.744 INFO [stderr] Nov 29 14:50:12.744 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.744 INFO [stderr] --> src/lib.rs:84:13 Nov 29 14:50:12.744 INFO [stderr] | Nov 29 14:50:12.744 INFO [stderr] 84 | let mut c: *mut Node; Nov 29 14:50:12.744 INFO [stderr] | ----^ Nov 29 14:50:12.744 INFO [stderr] | | Nov 29 14:50:12.744 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.745 INFO [stderr] | Nov 29 14:50:12.745 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 29 14:50:12.745 INFO [stderr] Nov 29 14:50:12.745 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.745 INFO [stderr] --> src/lib.rs:85:13 Nov 29 14:50:12.745 INFO [stderr] | Nov 29 14:50:12.745 INFO [stderr] 85 | let mut a: *mut Option>>>; Nov 29 14:50:12.745 INFO [stderr] | ----^ Nov 29 14:50:12.745 INFO [stderr] | | Nov 29 14:50:12.745 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.745 INFO [stderr] Nov 29 14:50:12.748 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.748 INFO [stderr] --> src/lib.rs:101:13 Nov 29 14:50:12.748 INFO [stderr] | Nov 29 14:50:12.748 INFO [stderr] 101 | let mut a: *mut Option>>>; Nov 29 14:50:12.748 INFO [stderr] | ----^ Nov 29 14:50:12.748 INFO [stderr] | | Nov 29 14:50:12.748 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.748 INFO [stderr] Nov 29 14:50:12.748 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.748 INFO [stderr] --> src/lib.rs:102:13 Nov 29 14:50:12.748 INFO [stderr] | Nov 29 14:50:12.748 INFO [stderr] 102 | let mut b: *mut T; Nov 29 14:50:12.748 INFO [stderr] | ----^ Nov 29 14:50:12.748 INFO [stderr] | | Nov 29 14:50:12.748 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.748 INFO [stderr] Nov 29 14:50:12.752 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.752 INFO [stderr] --> src/lib.rs:122:13 Nov 29 14:50:12.752 INFO [stderr] | Nov 29 14:50:12.752 INFO [stderr] 122 | let mut last: *mut Node; Nov 29 14:50:12.752 INFO [stderr] | ----^^^^ Nov 29 14:50:12.752 INFO [stderr] | | Nov 29 14:50:12.752 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.752 INFO [stderr] Nov 29 14:50:12.752 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.752 INFO [stderr] --> src/lib.rs:123:13 Nov 29 14:50:12.752 INFO [stderr] | Nov 29 14:50:12.752 INFO [stderr] 123 | let mut mid: Rc>>; Nov 29 14:50:12.752 INFO [stderr] | ----^^^ Nov 29 14:50:12.752 INFO [stderr] | | Nov 29 14:50:12.752 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.752 INFO [stderr] Nov 29 14:50:12.752 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.752 INFO [stderr] --> src/lib.rs:124:13 Nov 29 14:50:12.752 INFO [stderr] | Nov 29 14:50:12.752 INFO [stderr] 124 | let mut next: Rc>>; Nov 29 14:50:12.752 INFO [stderr] | ----^^^^ Nov 29 14:50:12.752 INFO [stderr] | | Nov 29 14:50:12.752 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.752 INFO [stderr] Nov 29 14:50:12.760 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.761 INFO [stderr] --> src/lib.rs:216:13 Nov 29 14:50:12.761 INFO [stderr] | Nov 29 14:50:12.761 INFO [stderr] 216 | let mut a : &'a Rc>>; Nov 29 14:50:12.761 INFO [stderr] | ----^ Nov 29 14:50:12.761 INFO [stderr] | | Nov 29 14:50:12.761 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.761 INFO [stderr] Nov 29 14:50:12.761 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.761 INFO [stderr] --> src/lib.rs:217:13 Nov 29 14:50:12.761 INFO [stderr] | Nov 29 14:50:12.761 INFO [stderr] 217 | let mut b : RefMut>; Nov 29 14:50:12.761 INFO [stderr] | ----^ Nov 29 14:50:12.761 INFO [stderr] | | Nov 29 14:50:12.761 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.761 INFO [stderr] Nov 29 14:50:12.761 INFO [stderr] warning: variable does not need to be mutable Nov 29 14:50:12.761 INFO [stderr] --> src/lib.rs:218:13 Nov 29 14:50:12.761 INFO [stderr] | Nov 29 14:50:12.761 INFO [stderr] 218 | let mut c : * mut T; Nov 29 14:50:12.761 INFO [stderr] | ----^ Nov 29 14:50:12.761 INFO [stderr] | | Nov 29 14:50:12.761 INFO [stderr] | help: remove this `mut` Nov 29 14:50:12.761 INFO [stderr] Nov 29 14:50:12.762 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Nov 29 14:50:12.762 INFO [stderr] | Nov 29 14:50:12.762 INFO [stderr] = note: #[warn(non_snake_case)] on by default Nov 29 14:50:12.762 INFO [stderr] Nov 29 14:50:12.764 INFO [stderr] warning: structure field `phantomData` should have a snake case name such as `phantom_data` Nov 29 14:50:12.764 INFO [stderr] --> src/lib.rs:17:5 Nov 29 14:50:12.764 INFO [stderr] | Nov 29 14:50:12.764 INFO [stderr] 17 | phantomData : PhantomData<&'a T> Nov 29 14:50:12.764 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 14:50:12.764 INFO [stderr] Nov 29 14:50:12.764 INFO [stderr] warning: method `getSize` should have a snake case name such as `get_size` Nov 29 14:50:12.764 INFO [stderr] --> src/lib.rs:76:5 Nov 29 14:50:12.764 INFO [stderr] | Nov 29 14:50:12.764 INFO [stderr] 76 | / pub fn getSize(&self) -> u32 { Nov 29 14:50:12.764 INFO [stderr] 77 | | self.size Nov 29 14:50:12.764 INFO [stderr] 78 | | } Nov 29 14:50:12.764 INFO [stderr] | |_____^ Nov 29 14:50:12.764 INFO [stderr] Nov 29 14:50:12.764 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:50:12.764 INFO [stderr] --> src/lib.rs:188:13 Nov 29 14:50:12.764 INFO [stderr] | Nov 29 14:50:12.764 INFO [stderr] 188 | write!(f, "[ "); Nov 29 14:50:12.764 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 29 14:50:12.764 INFO [stderr] | Nov 29 14:50:12.764 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 29 14:50:12.764 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:50:12.764 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 29 14:50:12.764 INFO [stderr] Nov 29 14:50:12.764 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:50:12.764 INFO [stderr] --> src/lib.rs:194:29 Nov 29 14:50:12.764 INFO [stderr] | Nov 29 14:50:12.764 INFO [stderr] 194 | write!(f, "{}", *b); Nov 29 14:50:12.764 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Nov 29 14:50:12.764 INFO [stderr] | Nov 29 14:50:12.764 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:50:12.764 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 29 14:50:12.764 INFO [stderr] Nov 29 14:50:12.764 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:50:12.764 INFO [stderr] --> src/lib.rs:196:29 Nov 29 14:50:12.764 INFO [stderr] | Nov 29 14:50:12.764 INFO [stderr] 196 | write!(f, "{},", *b); Nov 29 14:50:12.764 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Nov 29 14:50:12.764 INFO [stderr] | Nov 29 14:50:12.764 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:50:12.764 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 29 14:50:12.764 INFO [stderr] Nov 29 14:50:12.764 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 14:50:12.764 INFO [stderr] --> src/lib.rs:201:25 Nov 29 14:50:12.764 INFO [stderr] | Nov 29 14:50:12.764 INFO [stderr] 201 | write!(f, " ]"); Nov 29 14:50:12.764 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 29 14:50:12.764 INFO [stderr] | Nov 29 14:50:12.764 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 14:50:12.768 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 29 14:50:12.768 INFO [stderr] Nov 29 14:50:12.947 INFO [stderr] warning: function is never used: `test2` Nov 29 14:50:12.947 INFO [stderr] --> src/main.rs:68:1 Nov 29 14:50:12.947 INFO [stderr] | Nov 29 14:50:12.947 INFO [stderr] 68 | fn test2() Nov 29 14:50:12.947 INFO [stderr] | ^^^^^^^^^^ Nov 29 14:50:12.947 INFO [stderr] | Nov 29 14:50:12.947 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 29 14:50:12.947 INFO [stderr] Nov 29 14:50:12.947 INFO [stderr] warning: function is never used: `test3` Nov 29 14:50:12.947 INFO [stderr] --> src/main.rs:75:1 Nov 29 14:50:12.947 INFO [stderr] | Nov 29 14:50:12.947 INFO [stderr] 75 | fn test3() Nov 29 14:50:12.947 INFO [stderr] | ^^^^^^^^^^ Nov 29 14:50:12.947 INFO [stderr] Nov 29 14:50:12.947 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Nov 29 14:50:12.947 INFO [stderr] | Nov 29 14:50:12.947 INFO [stderr] = note: #[warn(non_snake_case)] on by default Nov 29 14:50:12.947 INFO [stderr] Nov 29 14:50:12.968 INFO [stderr] warning: function is never used: `test2` Nov 29 14:50:12.968 INFO [stderr] --> src/main.rs:68:1 Nov 29 14:50:12.968 INFO [stderr] | Nov 29 14:50:12.968 INFO [stderr] 68 | fn test2() Nov 29 14:50:12.968 INFO [stderr] | ^^^^^^^^^^ Nov 29 14:50:12.968 INFO [stderr] | Nov 29 14:50:12.968 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 29 14:50:12.968 INFO [stderr] Nov 29 14:50:12.968 INFO [stderr] warning: function is never used: `test3` Nov 29 14:50:12.968 INFO [stderr] --> src/main.rs:75:1 Nov 29 14:50:12.968 INFO [stderr] | Nov 29 14:50:12.968 INFO [stderr] 75 | fn test3() Nov 29 14:50:12.968 INFO [stderr] | ^^^^^^^^^^ Nov 29 14:50:12.968 INFO [stderr] Nov 29 14:50:12.968 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Nov 29 14:50:12.968 INFO [stderr] | Nov 29 14:50:12.968 INFO [stderr] = note: #[warn(non_snake_case)] on by default Nov 29 14:50:12.968 INFO [stderr] Nov 29 14:50:12.972 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s Nov 29 14:50:12.973 INFO [stderr] su: No module specific data is present Nov 29 14:50:13.302 INFO running `"docker" "inspect" "34ceeb0c31b2c63b963ec4b5e142e025d72b2b7f3e7e5a9fd90c25007155615d"` Nov 29 14:50:13.394 INFO running `"docker" "rm" "-f" "34ceeb0c31b2c63b963ec4b5e142e025d72b2b7f3e7e5a9fd90c25007155615d"` Nov 29 14:50:13.510 INFO [stdout] 34ceeb0c31b2c63b963ec4b5e142e025d72b2b7f3e7e5a9fd90c25007155615d