Dec 12 21:00:23.415 INFO testing wu1274704958/LinkedList against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 12 21:00:23.415 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 12 21:00:23.591 INFO [stdout] d33ed0f85ec6bc92b6c1405b874510f66dfc2c5a1189800303008ecf2bb3b4cd Dec 12 21:00:23.591 INFO running `"docker" "start" "-a" "d33ed0f85ec6bc92b6c1405b874510f66dfc2c5a1189800303008ecf2bb3b4cd"` Dec 12 21:00:24.076 INFO [stderr] usermod: no changes Dec 12 21:00:24.134 INFO [stderr] Compiling LinkedList v0.1.0 (/source) Dec 12 21:00:24.205 INFO [stderr] warning: unused import: `std::cell::Ref` Dec 12 21:00:24.205 INFO [stderr] --> src/lib.rs:7:5 Dec 12 21:00:24.205 INFO [stderr] | Dec 12 21:00:24.205 INFO [stderr] 7 | use std::cell::Ref; Dec 12 21:00:24.205 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 12 21:00:24.205 INFO [stderr] | Dec 12 21:00:24.205 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 12 21:00:24.205 INFO [stderr] Dec 12 21:00:24.205 INFO [stderr] warning: unused import: `std::convert` Dec 12 21:00:24.205 INFO [stderr] --> src/lib.rs:8:5 Dec 12 21:00:24.205 INFO [stderr] | Dec 12 21:00:24.205 INFO [stderr] 8 | use std::convert; Dec 12 21:00:24.205 INFO [stderr] | ^^^^^^^^^^^^ Dec 12 21:00:24.205 INFO [stderr] Dec 12 21:00:24.256 INFO [stderr] warning: unused variable: `i` Dec 12 21:00:24.256 INFO [stderr] --> src/lib.rs:59:13 Dec 12 21:00:24.256 INFO [stderr] | Dec 12 21:00:24.256 INFO [stderr] 59 | for i in 0..index { Dec 12 21:00:24.256 INFO [stderr] | ^ help: consider using `_i` instead Dec 12 21:00:24.256 INFO [stderr] | Dec 12 21:00:24.256 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 21:00:24.256 INFO [stderr] Dec 12 21:00:24.257 INFO [stderr] warning: unused variable: `i` Dec 12 21:00:24.257 INFO [stderr] --> src/lib.rs:147:17 Dec 12 21:00:24.257 INFO [stderr] | Dec 12 21:00:24.257 INFO [stderr] 147 | for i in 0..(index - 1) { Dec 12 21:00:24.257 INFO [stderr] | ^ help: consider using `_i` instead Dec 12 21:00:24.257 INFO [stderr] Dec 12 21:00:24.263 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:24.263 INFO [stderr] --> src/lib.rs:84:13 Dec 12 21:00:24.263 INFO [stderr] | Dec 12 21:00:24.263 INFO [stderr] 84 | let mut c: *mut Node; Dec 12 21:00:24.263 INFO [stderr] | ----^ Dec 12 21:00:24.263 INFO [stderr] | | Dec 12 21:00:24.263 INFO [stderr] | help: remove this `mut` Dec 12 21:00:24.263 INFO [stderr] | Dec 12 21:00:24.263 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 12 21:00:24.263 INFO [stderr] Dec 12 21:00:24.263 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:24.263 INFO [stderr] --> src/lib.rs:85:13 Dec 12 21:00:24.263 INFO [stderr] | Dec 12 21:00:24.263 INFO [stderr] 85 | let mut a: *mut Option>>>; Dec 12 21:00:24.263 INFO [stderr] | ----^ Dec 12 21:00:24.263 INFO [stderr] | | Dec 12 21:00:24.263 INFO [stderr] | help: remove this `mut` Dec 12 21:00:24.263 INFO [stderr] Dec 12 21:00:24.263 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:24.263 INFO [stderr] --> src/lib.rs:101:13 Dec 12 21:00:24.263 INFO [stderr] | Dec 12 21:00:24.263 INFO [stderr] 101 | let mut a: *mut Option>>>; Dec 12 21:00:24.263 INFO [stderr] | ----^ Dec 12 21:00:24.263 INFO [stderr] | | Dec 12 21:00:24.263 INFO [stderr] | help: remove this `mut` Dec 12 21:00:24.263 INFO [stderr] Dec 12 21:00:24.267 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:24.267 INFO [stderr] --> src/lib.rs:102:13 Dec 12 21:00:24.267 INFO [stderr] | Dec 12 21:00:24.267 INFO [stderr] 102 | let mut b: *mut T; Dec 12 21:00:24.267 INFO [stderr] | ----^ Dec 12 21:00:24.267 INFO [stderr] | | Dec 12 21:00:24.267 INFO [stderr] | help: remove this `mut` Dec 12 21:00:24.267 INFO [stderr] Dec 12 21:00:24.267 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:24.267 INFO [stderr] --> src/lib.rs:122:13 Dec 12 21:00:24.267 INFO [stderr] | Dec 12 21:00:24.267 INFO [stderr] 122 | let mut last: *mut Node; Dec 12 21:00:24.267 INFO [stderr] | ----^^^^ Dec 12 21:00:24.267 INFO [stderr] | | Dec 12 21:00:24.267 INFO [stderr] | help: remove this `mut` Dec 12 21:00:24.267 INFO [stderr] Dec 12 21:00:24.267 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:24.267 INFO [stderr] --> src/lib.rs:123:13 Dec 12 21:00:24.267 INFO [stderr] | Dec 12 21:00:24.267 INFO [stderr] 123 | let mut mid: Rc>>; Dec 12 21:00:24.267 INFO [stderr] | ----^^^ Dec 12 21:00:24.267 INFO [stderr] | | Dec 12 21:00:24.267 INFO [stderr] | help: remove this `mut` Dec 12 21:00:24.267 INFO [stderr] Dec 12 21:00:24.267 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:24.267 INFO [stderr] --> src/lib.rs:124:13 Dec 12 21:00:24.267 INFO [stderr] | Dec 12 21:00:24.267 INFO [stderr] 124 | let mut next: Rc>>; Dec 12 21:00:24.267 INFO [stderr] | ----^^^^ Dec 12 21:00:24.267 INFO [stderr] | | Dec 12 21:00:24.267 INFO [stderr] | help: remove this `mut` Dec 12 21:00:24.267 INFO [stderr] Dec 12 21:00:24.273 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:24.273 INFO [stderr] --> src/lib.rs:216:13 Dec 12 21:00:24.273 INFO [stderr] | Dec 12 21:00:24.273 INFO [stderr] 216 | let mut a : &'a Rc>>; Dec 12 21:00:24.273 INFO [stderr] | ----^ Dec 12 21:00:24.273 INFO [stderr] | | Dec 12 21:00:24.273 INFO [stderr] | help: remove this `mut` Dec 12 21:00:24.273 INFO [stderr] Dec 12 21:00:24.273 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:24.273 INFO [stderr] --> src/lib.rs:217:13 Dec 12 21:00:24.273 INFO [stderr] | Dec 12 21:00:24.273 INFO [stderr] 217 | let mut b : RefMut>; Dec 12 21:00:24.273 INFO [stderr] | ----^ Dec 12 21:00:24.273 INFO [stderr] | | Dec 12 21:00:24.273 INFO [stderr] | help: remove this `mut` Dec 12 21:00:24.273 INFO [stderr] Dec 12 21:00:24.273 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:24.273 INFO [stderr] --> src/lib.rs:218:13 Dec 12 21:00:24.273 INFO [stderr] | Dec 12 21:00:24.273 INFO [stderr] 218 | let mut c : * mut T; Dec 12 21:00:24.273 INFO [stderr] | ----^ Dec 12 21:00:24.273 INFO [stderr] | | Dec 12 21:00:24.273 INFO [stderr] | help: remove this `mut` Dec 12 21:00:24.274 INFO [stderr] Dec 12 21:00:24.274 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Dec 12 21:00:24.274 INFO [stderr] | Dec 12 21:00:24.274 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 12 21:00:24.274 INFO [stderr] Dec 12 21:00:24.274 INFO [stderr] warning: structure field `phantomData` should have a snake case name such as `phantom_data` Dec 12 21:00:24.274 INFO [stderr] --> src/lib.rs:17:5 Dec 12 21:00:24.274 INFO [stderr] | Dec 12 21:00:24.274 INFO [stderr] 17 | phantomData : PhantomData<&'a T> Dec 12 21:00:24.274 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 21:00:24.274 INFO [stderr] Dec 12 21:00:24.274 INFO [stderr] warning: method `getSize` should have a snake case name such as `get_size` Dec 12 21:00:24.274 INFO [stderr] --> src/lib.rs:76:5 Dec 12 21:00:24.274 INFO [stderr] | Dec 12 21:00:24.274 INFO [stderr] 76 | / pub fn getSize(&self) -> u32 { Dec 12 21:00:24.274 INFO [stderr] 77 | | self.size Dec 12 21:00:24.274 INFO [stderr] 78 | | } Dec 12 21:00:24.274 INFO [stderr] | |_____^ Dec 12 21:00:24.274 INFO [stderr] Dec 12 21:00:24.275 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 21:00:24.275 INFO [stderr] --> src/lib.rs:188:13 Dec 12 21:00:24.275 INFO [stderr] | Dec 12 21:00:24.275 INFO [stderr] 188 | write!(f, "[ "); Dec 12 21:00:24.275 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 12 21:00:24.275 INFO [stderr] | Dec 12 21:00:24.275 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 12 21:00:24.275 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 21:00:24.275 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 12 21:00:24.275 INFO [stderr] Dec 12 21:00:24.275 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 21:00:24.275 INFO [stderr] --> src/lib.rs:194:29 Dec 12 21:00:24.275 INFO [stderr] | Dec 12 21:00:24.275 INFO [stderr] 194 | write!(f, "{}", *b); Dec 12 21:00:24.275 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Dec 12 21:00:24.275 INFO [stderr] | Dec 12 21:00:24.275 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 21:00:24.275 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 12 21:00:24.275 INFO [stderr] Dec 12 21:00:24.275 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 21:00:24.275 INFO [stderr] --> src/lib.rs:196:29 Dec 12 21:00:24.275 INFO [stderr] | Dec 12 21:00:24.275 INFO [stderr] 196 | write!(f, "{},", *b); Dec 12 21:00:24.275 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 12 21:00:24.275 INFO [stderr] | Dec 12 21:00:24.275 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 21:00:24.275 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 12 21:00:24.275 INFO [stderr] Dec 12 21:00:24.275 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 21:00:24.275 INFO [stderr] --> src/lib.rs:201:25 Dec 12 21:00:24.275 INFO [stderr] | Dec 12 21:00:24.275 INFO [stderr] 201 | write!(f, " ]"); Dec 12 21:00:24.275 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 12 21:00:24.275 INFO [stderr] | Dec 12 21:00:24.275 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 21:00:24.275 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 12 21:00:24.275 INFO [stderr] Dec 12 21:00:24.486 INFO [stderr] warning: function is never used: `test2` Dec 12 21:00:24.486 INFO [stderr] --> src/main.rs:68:1 Dec 12 21:00:24.486 INFO [stderr] | Dec 12 21:00:24.486 INFO [stderr] 68 | fn test2() Dec 12 21:00:24.486 INFO [stderr] | ^^^^^^^^^^ Dec 12 21:00:24.486 INFO [stderr] | Dec 12 21:00:24.486 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 21:00:24.486 INFO [stderr] Dec 12 21:00:24.486 INFO [stderr] warning: function is never used: `test3` Dec 12 21:00:24.486 INFO [stderr] --> src/main.rs:75:1 Dec 12 21:00:24.486 INFO [stderr] | Dec 12 21:00:24.486 INFO [stderr] 75 | fn test3() Dec 12 21:00:24.486 INFO [stderr] | ^^^^^^^^^^ Dec 12 21:00:24.486 INFO [stderr] Dec 12 21:00:24.486 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Dec 12 21:00:24.486 INFO [stderr] | Dec 12 21:00:24.486 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 12 21:00:24.486 INFO [stderr] Dec 12 21:00:24.701 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s Dec 12 21:00:24.703 INFO [stderr] su: No module specific data is present Dec 12 21:00:25.208 INFO running `"docker" "inspect" "d33ed0f85ec6bc92b6c1405b874510f66dfc2c5a1189800303008ecf2bb3b4cd"` Dec 12 21:00:25.272 INFO running `"docker" "rm" "-f" "d33ed0f85ec6bc92b6c1405b874510f66dfc2c5a1189800303008ecf2bb3b4cd"` Dec 12 21:00:25.392 INFO [stdout] d33ed0f85ec6bc92b6c1405b874510f66dfc2c5a1189800303008ecf2bb3b4cd Dec 12 21:00:25.449 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 12 21:00:25.746 INFO [stdout] 604295c0b55cde1ee07d1bd663c5385eab17210d001803ee62fc74c635a01e2f Dec 12 21:00:25.747 INFO running `"docker" "start" "-a" "604295c0b55cde1ee07d1bd663c5385eab17210d001803ee62fc74c635a01e2f"` Dec 12 21:00:26.159 INFO [stderr] usermod: no changes Dec 12 21:00:26.229 INFO [stderr] Compiling LinkedList v0.1.0 (/source) Dec 12 21:00:26.281 INFO [stderr] warning: unused import: `std::cell::Ref` Dec 12 21:00:26.281 INFO [stderr] --> src/lib.rs:7:5 Dec 12 21:00:26.281 INFO [stderr] | Dec 12 21:00:26.281 INFO [stderr] 7 | use std::cell::Ref; Dec 12 21:00:26.281 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 12 21:00:26.282 INFO [stderr] | Dec 12 21:00:26.282 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 12 21:00:26.282 INFO [stderr] Dec 12 21:00:26.282 INFO [stderr] warning: unused import: `std::convert` Dec 12 21:00:26.282 INFO [stderr] --> src/lib.rs:8:5 Dec 12 21:00:26.282 INFO [stderr] | Dec 12 21:00:26.282 INFO [stderr] 8 | use std::convert; Dec 12 21:00:26.282 INFO [stderr] | ^^^^^^^^^^^^ Dec 12 21:00:26.282 INFO [stderr] Dec 12 21:00:26.348 INFO [stderr] warning: unused variable: `i` Dec 12 21:00:26.348 INFO [stderr] --> src/lib.rs:59:13 Dec 12 21:00:26.348 INFO [stderr] | Dec 12 21:00:26.348 INFO [stderr] 59 | for i in 0..index { Dec 12 21:00:26.348 INFO [stderr] | ^ help: consider using `_i` instead Dec 12 21:00:26.348 INFO [stderr] | Dec 12 21:00:26.348 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 21:00:26.348 INFO [stderr] Dec 12 21:00:26.350 INFO [stderr] warning: function is never used: `test2` Dec 12 21:00:26.350 INFO [stderr] --> src/main.rs:68:1 Dec 12 21:00:26.350 INFO [stderr] | Dec 12 21:00:26.350 INFO [stderr] 68 | fn test2() Dec 12 21:00:26.350 INFO [stderr] | ^^^^^^^^^^ Dec 12 21:00:26.350 INFO [stderr] | Dec 12 21:00:26.350 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 21:00:26.350 INFO [stderr] Dec 12 21:00:26.350 INFO [stderr] warning: function is never used: `test3` Dec 12 21:00:26.350 INFO [stderr] --> src/main.rs:75:1 Dec 12 21:00:26.350 INFO [stderr] | Dec 12 21:00:26.350 INFO [stderr] 75 | fn test3() Dec 12 21:00:26.350 INFO [stderr] | ^^^^^^^^^^ Dec 12 21:00:26.350 INFO [stderr] Dec 12 21:00:26.350 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Dec 12 21:00:26.350 INFO [stderr] | Dec 12 21:00:26.350 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 12 21:00:26.350 INFO [stderr] Dec 12 21:00:26.350 INFO [stderr] warning: unused variable: `i` Dec 12 21:00:26.350 INFO [stderr] --> src/lib.rs:147:17 Dec 12 21:00:26.350 INFO [stderr] | Dec 12 21:00:26.350 INFO [stderr] 147 | for i in 0..(index - 1) { Dec 12 21:00:26.350 INFO [stderr] | ^ help: consider using `_i` instead Dec 12 21:00:26.350 INFO [stderr] Dec 12 21:00:26.355 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:26.355 INFO [stderr] --> src/lib.rs:84:13 Dec 12 21:00:26.355 INFO [stderr] | Dec 12 21:00:26.355 INFO [stderr] 84 | let mut c: *mut Node; Dec 12 21:00:26.355 INFO [stderr] | ----^ Dec 12 21:00:26.355 INFO [stderr] | | Dec 12 21:00:26.355 INFO [stderr] | help: remove this `mut` Dec 12 21:00:26.355 INFO [stderr] | Dec 12 21:00:26.355 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 12 21:00:26.355 INFO [stderr] Dec 12 21:00:26.355 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:26.355 INFO [stderr] --> src/lib.rs:85:13 Dec 12 21:00:26.355 INFO [stderr] | Dec 12 21:00:26.355 INFO [stderr] 85 | let mut a: *mut Option>>>; Dec 12 21:00:26.355 INFO [stderr] | ----^ Dec 12 21:00:26.355 INFO [stderr] | | Dec 12 21:00:26.355 INFO [stderr] | help: remove this `mut` Dec 12 21:00:26.355 INFO [stderr] Dec 12 21:00:26.356 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:26.356 INFO [stderr] --> src/lib.rs:101:13 Dec 12 21:00:26.356 INFO [stderr] | Dec 12 21:00:26.356 INFO [stderr] 101 | let mut a: *mut Option>>>; Dec 12 21:00:26.356 INFO [stderr] | ----^ Dec 12 21:00:26.356 INFO [stderr] | | Dec 12 21:00:26.356 INFO [stderr] | help: remove this `mut` Dec 12 21:00:26.356 INFO [stderr] Dec 12 21:00:26.356 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:26.356 INFO [stderr] --> src/lib.rs:102:13 Dec 12 21:00:26.356 INFO [stderr] | Dec 12 21:00:26.356 INFO [stderr] 102 | let mut b: *mut T; Dec 12 21:00:26.356 INFO [stderr] | ----^ Dec 12 21:00:26.356 INFO [stderr] | | Dec 12 21:00:26.356 INFO [stderr] | help: remove this `mut` Dec 12 21:00:26.356 INFO [stderr] Dec 12 21:00:26.359 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:26.359 INFO [stderr] --> src/lib.rs:122:13 Dec 12 21:00:26.359 INFO [stderr] | Dec 12 21:00:26.359 INFO [stderr] 122 | let mut last: *mut Node; Dec 12 21:00:26.359 INFO [stderr] | ----^^^^ Dec 12 21:00:26.359 INFO [stderr] | | Dec 12 21:00:26.359 INFO [stderr] | help: remove this `mut` Dec 12 21:00:26.359 INFO [stderr] Dec 12 21:00:26.359 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:26.359 INFO [stderr] --> src/lib.rs:123:13 Dec 12 21:00:26.359 INFO [stderr] | Dec 12 21:00:26.359 INFO [stderr] 123 | let mut mid: Rc>>; Dec 12 21:00:26.359 INFO [stderr] | ----^^^ Dec 12 21:00:26.359 INFO [stderr] | | Dec 12 21:00:26.359 INFO [stderr] | help: remove this `mut` Dec 12 21:00:26.359 INFO [stderr] Dec 12 21:00:26.360 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:26.360 INFO [stderr] --> src/lib.rs:124:13 Dec 12 21:00:26.360 INFO [stderr] | Dec 12 21:00:26.360 INFO [stderr] 124 | let mut next: Rc>>; Dec 12 21:00:26.360 INFO [stderr] | ----^^^^ Dec 12 21:00:26.360 INFO [stderr] | | Dec 12 21:00:26.360 INFO [stderr] | help: remove this `mut` Dec 12 21:00:26.360 INFO [stderr] Dec 12 21:00:26.368 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:26.368 INFO [stderr] --> src/lib.rs:216:13 Dec 12 21:00:26.368 INFO [stderr] | Dec 12 21:00:26.368 INFO [stderr] 216 | let mut a : &'a Rc>>; Dec 12 21:00:26.368 INFO [stderr] | ----^ Dec 12 21:00:26.368 INFO [stderr] | | Dec 12 21:00:26.368 INFO [stderr] | help: remove this `mut` Dec 12 21:00:26.368 INFO [stderr] Dec 12 21:00:26.368 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:26.368 INFO [stderr] --> src/lib.rs:217:13 Dec 12 21:00:26.368 INFO [stderr] | Dec 12 21:00:26.368 INFO [stderr] 217 | let mut b : RefMut>; Dec 12 21:00:26.368 INFO [stderr] | ----^ Dec 12 21:00:26.368 INFO [stderr] | | Dec 12 21:00:26.368 INFO [stderr] | help: remove this `mut` Dec 12 21:00:26.368 INFO [stderr] Dec 12 21:00:26.368 INFO [stderr] warning: variable does not need to be mutable Dec 12 21:00:26.368 INFO [stderr] --> src/lib.rs:218:13 Dec 12 21:00:26.368 INFO [stderr] | Dec 12 21:00:26.368 INFO [stderr] 218 | let mut c : * mut T; Dec 12 21:00:26.368 INFO [stderr] | ----^ Dec 12 21:00:26.368 INFO [stderr] | | Dec 12 21:00:26.368 INFO [stderr] | help: remove this `mut` Dec 12 21:00:26.368 INFO [stderr] Dec 12 21:00:26.368 INFO [stderr] warning: crate `LinkedList` should have a snake case name such as `linked_list` Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 12 21:00:26.369 INFO [stderr] Dec 12 21:00:26.369 INFO [stderr] warning: structure field `phantomData` should have a snake case name such as `phantom_data` Dec 12 21:00:26.369 INFO [stderr] --> src/lib.rs:17:5 Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] 17 | phantomData : PhantomData<&'a T> Dec 12 21:00:26.369 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 21:00:26.369 INFO [stderr] Dec 12 21:00:26.369 INFO [stderr] warning: method `getSize` should have a snake case name such as `get_size` Dec 12 21:00:26.369 INFO [stderr] --> src/lib.rs:76:5 Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] 76 | / pub fn getSize(&self) -> u32 { Dec 12 21:00:26.369 INFO [stderr] 77 | | self.size Dec 12 21:00:26.369 INFO [stderr] 78 | | } Dec 12 21:00:26.369 INFO [stderr] | |_____^ Dec 12 21:00:26.369 INFO [stderr] Dec 12 21:00:26.369 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 21:00:26.369 INFO [stderr] --> src/lib.rs:188:13 Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] 188 | write!(f, "[ "); Dec 12 21:00:26.369 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 12 21:00:26.369 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 21:00:26.369 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 12 21:00:26.369 INFO [stderr] Dec 12 21:00:26.369 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 21:00:26.369 INFO [stderr] --> src/lib.rs:194:29 Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] 194 | write!(f, "{}", *b); Dec 12 21:00:26.369 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 21:00:26.369 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 12 21:00:26.369 INFO [stderr] Dec 12 21:00:26.369 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 21:00:26.369 INFO [stderr] --> src/lib.rs:196:29 Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] 196 | write!(f, "{},", *b); Dec 12 21:00:26.369 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 21:00:26.369 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 12 21:00:26.369 INFO [stderr] Dec 12 21:00:26.369 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 12 21:00:26.369 INFO [stderr] --> src/lib.rs:201:25 Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] 201 | write!(f, " ]"); Dec 12 21:00:26.369 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 12 21:00:26.369 INFO [stderr] | Dec 12 21:00:26.369 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 12 21:00:26.369 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 12 21:00:26.369 INFO [stderr] Dec 12 21:00:26.682 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.50s Dec 12 21:00:26.682 INFO [stderr] su: No module specific data is present Dec 12 21:00:27.682 INFO running `"docker" "inspect" "604295c0b55cde1ee07d1bd663c5385eab17210d001803ee62fc74c635a01e2f"` Dec 12 21:00:27.972 INFO running `"docker" "rm" "-f" "604295c0b55cde1ee07d1bd663c5385eab17210d001803ee62fc74c635a01e2f"` Dec 12 21:00:28.229 INFO [stdout] 604295c0b55cde1ee07d1bd663c5385eab17210d001803ee62fc74c635a01e2f Dec 12 21:00:28.236 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 12 21:00:28.666 INFO [stdout] a6f07f5c9d02bc8316be495bb2646bd6de326fe8015d9a1124a074a51cf3163b Dec 12 21:00:28.667 INFO running `"docker" "start" "-a" "a6f07f5c9d02bc8316be495bb2646bd6de326fe8015d9a1124a074a51cf3163b"` Dec 12 21:00:30.919 INFO [stderr] usermod: no changes Dec 12 21:00:31.028 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.07s Dec 12 21:00:31.035 INFO [stderr] Running /target/debug/deps/LinkedList-3e326eb4fd25b4f0 Dec 12 21:00:31.040 INFO [stdout] Dec 12 21:00:31.040 INFO [stdout] running 0 tests Dec 12 21:00:31.040 INFO [stdout] Dec 12 21:00:31.040 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 12 21:00:31.040 INFO [stdout] Dec 12 21:00:31.051 INFO [stderr] Running /target/debug/deps/LinkedList-4e091ac9e7ac3d0e Dec 12 21:00:31.056 INFO [stdout] Dec 12 21:00:31.056 INFO [stdout] running 0 tests Dec 12 21:00:31.056 INFO [stdout] Dec 12 21:00:31.056 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 12 21:00:31.056 INFO [stdout] Dec 12 21:00:31.058 INFO [stderr] Doc-tests LinkedList Dec 12 21:00:31.321 INFO [stdout] Dec 12 21:00:31.321 INFO [stdout] running 0 tests Dec 12 21:00:31.322 INFO [stdout] Dec 12 21:00:31.322 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 12 21:00:31.322 INFO [stdout] Dec 12 21:00:31.329 INFO [stderr] su: No module specific data is present Dec 12 21:00:32.674 INFO running `"docker" "inspect" "a6f07f5c9d02bc8316be495bb2646bd6de326fe8015d9a1124a074a51cf3163b"` Dec 12 21:00:32.977 INFO running `"docker" "rm" "-f" "a6f07f5c9d02bc8316be495bb2646bd6de326fe8015d9a1124a074a51cf3163b"` Dec 12 21:00:33.387 INFO [stdout] a6f07f5c9d02bc8316be495bb2646bd6de326fe8015d9a1124a074a51cf3163b