Dec 04 06:55:39.776 INFO checking wu1274704958/LinkedList against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481 Dec 04 06:55:39.776 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"` Dec 04 06:55:40.111 INFO [stdout] ad68c26067b2fd02c64c91b7f22c0dba9ed23d3224b2fa4e4112cfb8c22f1ae5 Dec 04 06:55:40.111 INFO running `"docker" "start" "-a" "ad68c26067b2fd02c64c91b7f22c0dba9ed23d3224b2fa4e4112cfb8c22f1ae5"` Dec 04 06:55:41.095 INFO [stderr] usermod: no changes Dec 04 06:55:41.129 INFO [stderr] Checking LinkedList v0.1.0 (/source) Dec 04 06:55:41.230 INFO [stderr] warning: unused import: `std::cell::Ref` Dec 04 06:55:41.230 INFO [stderr] --> src/lib.rs:7:5 Dec 04 06:55:41.230 INFO [stderr] | Dec 04 06:55:41.230 INFO [stderr] 7 | use std::cell::Ref; Dec 04 06:55:41.230 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 04 06:55:41.230 INFO [stderr] | Dec 04 06:55:41.230 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 04 06:55:41.230 INFO [stderr] Dec 04 06:55:41.230 INFO [stderr] warning: unused import: `std::convert` Dec 04 06:55:41.230 INFO [stderr] --> src/lib.rs:8:5 Dec 04 06:55:41.230 INFO [stderr] | Dec 04 06:55:41.230 INFO [stderr] 8 | use std::convert; Dec 04 06:55:41.230 INFO [stderr] | ^^^^^^^^^^^^ Dec 04 06:55:41.230 INFO [stderr] Dec 04 06:55:41.239 INFO [stderr] warning: unused import: `std::cell::Ref` Dec 04 06:55:41.239 INFO [stderr] --> src/lib.rs:7:5 Dec 04 06:55:41.239 INFO [stderr] | Dec 04 06:55:41.239 INFO [stderr] 7 | use std::cell::Ref; Dec 04 06:55:41.239 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 04 06:55:41.239 INFO [stderr] | Dec 04 06:55:41.239 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 04 06:55:41.239 INFO [stderr] Dec 04 06:55:41.239 INFO [stderr] warning: unused import: `std::convert` Dec 04 06:55:41.239 INFO [stderr] --> src/lib.rs:8:5 Dec 04 06:55:41.239 INFO [stderr] | Dec 04 06:55:41.239 INFO [stderr] 8 | use std::convert; Dec 04 06:55:41.239 INFO [stderr] | ^^^^^^^^^^^^ Dec 04 06:55:41.239 INFO [stderr] Dec 04 06:55:41.307 INFO [stderr] warning: unused variable: `i` Dec 04 06:55:41.307 INFO [stderr] --> src/lib.rs:59:13 Dec 04 06:55:41.307 INFO [stderr] | Dec 04 06:55:41.307 INFO [stderr] 59 | for i in 0..index { Dec 04 06:55:41.307 INFO [stderr] | ^ help: consider using `_i` instead Dec 04 06:55:41.307 INFO [stderr] | Dec 04 06:55:41.307 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 04 06:55:41.307 INFO [stderr] Dec 04 06:55:41.307 INFO [stderr] warning: unused variable: `i` Dec 04 06:55:41.307 INFO [stderr] --> src/lib.rs:147:17 Dec 04 06:55:41.307 INFO [stderr] | Dec 04 06:55:41.307 INFO [stderr] 147 | for i in 0..(index - 1) { Dec 04 06:55:41.307 INFO [stderr] | ^ help: consider using `_i` instead Dec 04 06:55:41.307 INFO [stderr] Dec 04 06:55:41.331 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.331 INFO [stderr] --> src/lib.rs:84:13 Dec 04 06:55:41.331 INFO [stderr] | Dec 04 06:55:41.331 INFO [stderr] 84 | let mut c: *mut Node; Dec 04 06:55:41.331 INFO [stderr] | ----^ Dec 04 06:55:41.331 INFO [stderr] | | Dec 04 06:55:41.331 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.331 INFO [stderr] | Dec 04 06:55:41.331 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 04 06:55:41.331 INFO [stderr] Dec 04 06:55:41.331 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.331 INFO [stderr] --> src/lib.rs:85:13 Dec 04 06:55:41.331 INFO [stderr] | Dec 04 06:55:41.331 INFO [stderr] 85 | let mut a: *mut Option>>>; Dec 04 06:55:41.331 INFO [stderr] | ----^ Dec 04 06:55:41.331 INFO [stderr] | | Dec 04 06:55:41.331 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.331 INFO [stderr] Dec 04 06:55:41.331 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.331 INFO [stderr] --> src/lib.rs:101:13 Dec 04 06:55:41.331 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 101 | let mut a: *mut Option>>>; Dec 04 06:55:41.332 INFO [stderr] | ----^ Dec 04 06:55:41.332 INFO [stderr] | | Dec 04 06:55:41.332 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.332 INFO [stderr] --> src/lib.rs:102:13 Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 102 | let mut b: *mut T; Dec 04 06:55:41.332 INFO [stderr] | ----^ Dec 04 06:55:41.332 INFO [stderr] | | Dec 04 06:55:41.332 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.332 INFO [stderr] --> src/lib.rs:122:13 Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 122 | let mut last: *mut Node; Dec 04 06:55:41.332 INFO [stderr] | ----^^^^ Dec 04 06:55:41.332 INFO [stderr] | | Dec 04 06:55:41.332 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.332 INFO [stderr] --> src/lib.rs:123:13 Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 123 | let mut mid: Rc>>; Dec 04 06:55:41.332 INFO [stderr] | ----^^^ Dec 04 06:55:41.332 INFO [stderr] | | Dec 04 06:55:41.332 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.332 INFO [stderr] --> src/lib.rs:124:13 Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 124 | let mut next: Rc>>; Dec 04 06:55:41.332 INFO [stderr] | ----^^^^ Dec 04 06:55:41.332 INFO [stderr] | | Dec 04 06:55:41.332 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: unused variable: `i` Dec 04 06:55:41.332 INFO [stderr] --> src/lib.rs:59:13 Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 59 | for i in 0..index { Dec 04 06:55:41.332 INFO [stderr] | ^ help: consider using `_i` instead Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: unused variable: `i` Dec 04 06:55:41.332 INFO [stderr] --> src/lib.rs:147:17 Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 147 | for i in 0..(index - 1) { Dec 04 06:55:41.332 INFO [stderr] | ^ help: consider using `_i` instead Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.332 INFO [stderr] --> src/lib.rs:216:13 Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 216 | let mut a : &'a Rc>>; Dec 04 06:55:41.332 INFO [stderr] | ----^ Dec 04 06:55:41.332 INFO [stderr] | | Dec 04 06:55:41.332 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.332 INFO [stderr] --> src/lib.rs:217:13 Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 217 | let mut b : RefMut>; Dec 04 06:55:41.332 INFO [stderr] | ----^ Dec 04 06:55:41.332 INFO [stderr] | | Dec 04 06:55:41.332 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.332 INFO [stderr] --> src/lib.rs:218:13 Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 218 | let mut c : * mut T; Dec 04 06:55:41.332 INFO [stderr] | ----^ Dec 04 06:55:41.332 INFO [stderr] | | Dec 04 06:55:41.332 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: structure field `phantomData` should have a snake case name such as `phantom_data` Dec 04 06:55:41.332 INFO [stderr] --> src/lib.rs:17:5 Dec 04 06:55:41.332 INFO [stderr] | Dec 04 06:55:41.332 INFO [stderr] 17 | phantomData : PhantomData<&'a T> Dec 04 06:55:41.332 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 06:55:41.332 INFO [stderr] Dec 04 06:55:41.332 INFO [stderr] warning: method `getSize` should have a snake case name such as `get_size` Dec 04 06:55:41.333 INFO [stderr] --> src/lib.rs:76:5 Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] 76 | / pub fn getSize(&self) -> u32 { Dec 04 06:55:41.333 INFO [stderr] 77 | | self.size Dec 04 06:55:41.333 INFO [stderr] 78 | | } Dec 04 06:55:41.333 INFO [stderr] | |_____^ Dec 04 06:55:41.333 INFO [stderr] Dec 04 06:55:41.333 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 06:55:41.333 INFO [stderr] --> src/lib.rs:188:13 Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] 188 | write!(f, "[ "); Dec 04 06:55:41.333 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 04 06:55:41.333 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 06:55:41.333 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) Dec 04 06:55:41.333 INFO [stderr] Dec 04 06:55:41.333 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 06:55:41.333 INFO [stderr] --> src/lib.rs:194:29 Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] 194 | write!(f, "{}", *b); Dec 04 06:55:41.333 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 06:55:41.333 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) Dec 04 06:55:41.333 INFO [stderr] Dec 04 06:55:41.333 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 06:55:41.333 INFO [stderr] --> src/lib.rs:196:29 Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] 196 | write!(f, "{},", *b); Dec 04 06:55:41.333 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 06:55:41.333 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) Dec 04 06:55:41.333 INFO [stderr] Dec 04 06:55:41.333 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 06:55:41.333 INFO [stderr] --> src/lib.rs:201:25 Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] 201 | write!(f, " ]"); Dec 04 06:55:41.333 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 06:55:41.333 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) Dec 04 06:55:41.333 INFO [stderr] Dec 04 06:55:41.333 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.333 INFO [stderr] --> src/lib.rs:84:13 Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] 84 | let mut c: *mut Node; Dec 04 06:55:41.333 INFO [stderr] | ----^ Dec 04 06:55:41.333 INFO [stderr] | | Dec 04 06:55:41.333 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 04 06:55:41.333 INFO [stderr] Dec 04 06:55:41.333 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.333 INFO [stderr] --> src/lib.rs:85:13 Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] 85 | let mut a: *mut Option>>>; Dec 04 06:55:41.333 INFO [stderr] | ----^ Dec 04 06:55:41.333 INFO [stderr] | | Dec 04 06:55:41.333 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.333 INFO [stderr] Dec 04 06:55:41.333 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.333 INFO [stderr] --> src/lib.rs:101:13 Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] 101 | let mut a: *mut Option>>>; Dec 04 06:55:41.333 INFO [stderr] | ----^ Dec 04 06:55:41.333 INFO [stderr] | | Dec 04 06:55:41.333 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.333 INFO [stderr] Dec 04 06:55:41.333 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.333 INFO [stderr] --> src/lib.rs:102:13 Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] 102 | let mut b: *mut T; Dec 04 06:55:41.333 INFO [stderr] | ----^ Dec 04 06:55:41.333 INFO [stderr] | | Dec 04 06:55:41.333 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.333 INFO [stderr] Dec 04 06:55:41.333 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.333 INFO [stderr] --> src/lib.rs:122:13 Dec 04 06:55:41.333 INFO [stderr] | Dec 04 06:55:41.333 INFO [stderr] 122 | let mut last: *mut Node; Dec 04 06:55:41.333 INFO [stderr] | ----^^^^ Dec 04 06:55:41.333 INFO [stderr] | | Dec 04 06:55:41.334 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.334 INFO [stderr] Dec 04 06:55:41.334 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.334 INFO [stderr] --> src/lib.rs:123:13 Dec 04 06:55:41.334 INFO [stderr] | Dec 04 06:55:41.334 INFO [stderr] 123 | let mut mid: Rc>>; Dec 04 06:55:41.334 INFO [stderr] | ----^^^ Dec 04 06:55:41.334 INFO [stderr] | | Dec 04 06:55:41.334 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.334 INFO [stderr] Dec 04 06:55:41.334 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.334 INFO [stderr] --> src/lib.rs:124:13 Dec 04 06:55:41.334 INFO [stderr] | Dec 04 06:55:41.334 INFO [stderr] 124 | let mut next: Rc>>; Dec 04 06:55:41.334 INFO [stderr] | ----^^^^ Dec 04 06:55:41.334 INFO [stderr] | | Dec 04 06:55:41.334 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.334 INFO [stderr] Dec 04 06:55:41.334 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.334 INFO [stderr] --> src/lib.rs:216:13 Dec 04 06:55:41.334 INFO [stderr] | Dec 04 06:55:41.334 INFO [stderr] 216 | let mut a : &'a Rc>>; Dec 04 06:55:41.334 INFO [stderr] | ----^ Dec 04 06:55:41.334 INFO [stderr] | | Dec 04 06:55:41.334 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.334 INFO [stderr] Dec 04 06:55:41.334 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.334 INFO [stderr] --> src/lib.rs:217:13 Dec 04 06:55:41.334 INFO [stderr] | Dec 04 06:55:41.334 INFO [stderr] 217 | let mut b : RefMut>; Dec 04 06:55:41.334 INFO [stderr] | ----^ Dec 04 06:55:41.334 INFO [stderr] | | Dec 04 06:55:41.334 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.334 INFO [stderr] Dec 04 06:55:41.334 INFO [stderr] warning: variable does not need to be mutable Dec 04 06:55:41.334 INFO [stderr] --> src/lib.rs:218:13 Dec 04 06:55:41.334 INFO [stderr] | Dec 04 06:55:41.334 INFO [stderr] 218 | let mut c : * mut T; Dec 04 06:55:41.334 INFO [stderr] | ----^ Dec 04 06:55:41.334 INFO [stderr] | | Dec 04 06:55:41.334 INFO [stderr] | help: remove this `mut` Dec 04 06:55:41.334 INFO [stderr] Dec 04 06:55:41.335 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Dec 04 06:55:41.335 INFO [stderr] | Dec 04 06:55:41.335 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 04 06:55:41.335 INFO [stderr] Dec 04 06:55:41.335 INFO [stderr] warning: structure field `phantomData` should have a snake case name such as `phantom_data` Dec 04 06:55:41.335 INFO [stderr] --> src/lib.rs:17:5 Dec 04 06:55:41.335 INFO [stderr] | Dec 04 06:55:41.335 INFO [stderr] 17 | phantomData : PhantomData<&'a T> Dec 04 06:55:41.335 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 04 06:55:41.335 INFO [stderr] Dec 04 06:55:41.335 INFO [stderr] warning: method `getSize` should have a snake case name such as `get_size` Dec 04 06:55:41.335 INFO [stderr] --> src/lib.rs:76:5 Dec 04 06:55:41.335 INFO [stderr] | Dec 04 06:55:41.335 INFO [stderr] 76 | / pub fn getSize(&self) -> u32 { Dec 04 06:55:41.335 INFO [stderr] 77 | | self.size Dec 04 06:55:41.335 INFO [stderr] 78 | | } Dec 04 06:55:41.335 INFO [stderr] | |_____^ Dec 04 06:55:41.335 INFO [stderr] Dec 04 06:55:41.335 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 06:55:41.335 INFO [stderr] --> src/lib.rs:188:13 Dec 04 06:55:41.335 INFO [stderr] | Dec 04 06:55:41.335 INFO [stderr] 188 | write!(f, "[ "); Dec 04 06:55:41.335 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 04 06:55:41.335 INFO [stderr] | Dec 04 06:55:41.335 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 04 06:55:41.335 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 06:55:41.335 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) Dec 04 06:55:41.335 INFO [stderr] Dec 04 06:55:41.335 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 06:55:41.335 INFO [stderr] --> src/lib.rs:194:29 Dec 04 06:55:41.335 INFO [stderr] | Dec 04 06:55:41.335 INFO [stderr] 194 | write!(f, "{}", *b); Dec 04 06:55:41.335 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Dec 04 06:55:41.335 INFO [stderr] | Dec 04 06:55:41.336 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 06:55:41.336 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) Dec 04 06:55:41.336 INFO [stderr] Dec 04 06:55:41.336 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 06:55:41.336 INFO [stderr] --> src/lib.rs:196:29 Dec 04 06:55:41.336 INFO [stderr] | Dec 04 06:55:41.336 INFO [stderr] 196 | write!(f, "{},", *b); Dec 04 06:55:41.336 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 04 06:55:41.336 INFO [stderr] | Dec 04 06:55:41.336 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 06:55:41.336 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) Dec 04 06:55:41.336 INFO [stderr] Dec 04 06:55:41.336 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 04 06:55:41.336 INFO [stderr] --> src/lib.rs:201:25 Dec 04 06:55:41.336 INFO [stderr] | Dec 04 06:55:41.336 INFO [stderr] 201 | write!(f, " ]"); Dec 04 06:55:41.336 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 04 06:55:41.336 INFO [stderr] | Dec 04 06:55:41.336 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 04 06:55:41.336 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) Dec 04 06:55:41.336 INFO [stderr] Dec 04 06:55:41.519 INFO [stderr] warning: function is never used: `test2` Dec 04 06:55:41.519 INFO [stderr] --> src/main.rs:68:1 Dec 04 06:55:41.519 INFO [stderr] | Dec 04 06:55:41.519 INFO [stderr] 68 | fn test2() Dec 04 06:55:41.519 INFO [stderr] | ^^^^^^^^^^ Dec 04 06:55:41.519 INFO [stderr] | Dec 04 06:55:41.519 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 04 06:55:41.519 INFO [stderr] Dec 04 06:55:41.519 INFO [stderr] warning: function is never used: `test3` Dec 04 06:55:41.519 INFO [stderr] --> src/main.rs:75:1 Dec 04 06:55:41.519 INFO [stderr] | Dec 04 06:55:41.519 INFO [stderr] 75 | fn test3() Dec 04 06:55:41.519 INFO [stderr] | ^^^^^^^^^^ Dec 04 06:55:41.519 INFO [stderr] Dec 04 06:55:41.519 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Dec 04 06:55:41.519 INFO [stderr] | Dec 04 06:55:41.519 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 04 06:55:41.519 INFO [stderr] Dec 04 06:55:41.527 INFO [stderr] warning: function is never used: `test2` Dec 04 06:55:41.527 INFO [stderr] --> src/main.rs:68:1 Dec 04 06:55:41.527 INFO [stderr] | Dec 04 06:55:41.527 INFO [stderr] 68 | fn test2() Dec 04 06:55:41.527 INFO [stderr] | ^^^^^^^^^^ Dec 04 06:55:41.527 INFO [stderr] | Dec 04 06:55:41.527 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 04 06:55:41.527 INFO [stderr] Dec 04 06:55:41.527 INFO [stderr] warning: function is never used: `test3` Dec 04 06:55:41.527 INFO [stderr] --> src/main.rs:75:1 Dec 04 06:55:41.527 INFO [stderr] | Dec 04 06:55:41.527 INFO [stderr] 75 | fn test3() Dec 04 06:55:41.527 INFO [stderr] | ^^^^^^^^^^ Dec 04 06:55:41.527 INFO [stderr] Dec 04 06:55:41.527 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Dec 04 06:55:41.527 INFO [stderr] | Dec 04 06:55:41.527 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 04 06:55:41.527 INFO [stderr] Dec 04 06:55:41.568 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.45s Dec 04 06:55:41.569 INFO [stderr] su: No module specific data is present Dec 04 06:55:41.910 INFO running `"docker" "inspect" "ad68c26067b2fd02c64c91b7f22c0dba9ed23d3224b2fa4e4112cfb8c22f1ae5"` Dec 04 06:55:41.987 INFO running `"docker" "rm" "-f" "ad68c26067b2fd02c64c91b7f22c0dba9ed23d3224b2fa4e4112cfb8c22f1ae5"` Dec 04 06:55:42.083 INFO [stdout] ad68c26067b2fd02c64c91b7f22c0dba9ed23d3224b2fa4e4112cfb8c22f1ae5