Dec 19 21:07:45.431 INFO checking abhijeetbhagat/buddy-allocator against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955 Dec 19 21:07:45.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/abhijeetbhagat/buddy-allocator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 21:07:45.888 INFO [stdout] 459c928fe78c4319cc4139b2dbe5aa91dddd92b079ac050ec8f7f12c6bf2b637 Dec 19 21:07:45.896 INFO running `"docker" "start" "-a" "459c928fe78c4319cc4139b2dbe5aa91dddd92b079ac050ec8f7f12c6bf2b637"` Dec 19 21:07:47.691 INFO [stderr] Checking buddy-alloc v0.1.0 (/opt/crater/workdir) Dec 19 21:07:48.000 INFO [stderr] warning: unreachable statement Dec 19 21:07:48.000 INFO [stderr] --> src/main.rs:84:9 Dec 19 21:07:48.000 INFO [stderr] | Dec 19 21:07:48.000 INFO [stderr] 84 | panic!("Out of memory exception"); Dec 19 21:07:48.000 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:07:48.000 INFO [stderr] | Dec 19 21:07:48.000 INFO [stderr] = note: #[warn(unreachable_code)] on by default Dec 19 21:07:48.000 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 19 21:07:48.000 INFO [stderr] Dec 19 21:07:48.036 INFO [stderr] warning: unused variable: `i` Dec 19 21:07:48.036 INFO [stderr] --> src/main.rs:30:13 Dec 19 21:07:48.036 INFO [stderr] | Dec 19 21:07:48.036 INFO [stderr] 30 | for i in 0..heap_size { Dec 19 21:07:48.036 INFO [stderr] | ^ help: consider using `_i` instead Dec 19 21:07:48.036 INFO [stderr] | Dec 19 21:07:48.036 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 21:07:48.036 INFO [stderr] Dec 19 21:07:48.036 INFO [stderr] warning: value assigned to `start` is never read Dec 19 21:07:48.036 INFO [stderr] --> src/main.rs:50:17 Dec 19 21:07:48.036 INFO [stderr] | Dec 19 21:07:48.036 INFO [stderr] 50 | let mut start = 0; Dec 19 21:07:48.036 INFO [stderr] | ^^^^^ Dec 19 21:07:48.036 INFO [stderr] | Dec 19 21:07:48.036 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 19 21:07:48.036 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 21:07:48.036 INFO [stderr] Dec 19 21:07:48.036 INFO [stderr] warning: value assigned to `end` is never read Dec 19 21:07:48.036 INFO [stderr] --> src/main.rs:51:17 Dec 19 21:07:48.036 INFO [stderr] | Dec 19 21:07:48.036 INFO [stderr] 51 | let mut end = 0; Dec 19 21:07:48.036 INFO [stderr] | ^^^ Dec 19 21:07:48.036 INFO [stderr] | Dec 19 21:07:48.036 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 21:07:48.036 INFO [stderr] Dec 19 21:07:48.036 INFO [stderr] warning: value assigned to `start` is never read Dec 19 21:07:48.036 INFO [stderr] --> src/main.rs:74:17 Dec 19 21:07:48.036 INFO [stderr] | Dec 19 21:07:48.036 INFO [stderr] 74 | let mut start = 0; Dec 19 21:07:48.036 INFO [stderr] | ^^^^^ Dec 19 21:07:48.036 INFO [stderr] | Dec 19 21:07:48.036 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 21:07:48.036 INFO [stderr] Dec 19 21:07:48.036 INFO [stderr] warning: value assigned to `end` is never read Dec 19 21:07:48.036 INFO [stderr] --> src/main.rs:75:17 Dec 19 21:07:48.036 INFO [stderr] | Dec 19 21:07:48.036 INFO [stderr] 75 | let mut end = 0; Dec 19 21:07:48.036 INFO [stderr] | ^^^ Dec 19 21:07:48.036 INFO [stderr] | Dec 19 21:07:48.036 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 21:07:48.037 INFO [stderr] Dec 19 21:07:48.037 INFO [stderr] warning: unused variable: `j` Dec 19 21:07:48.037 INFO [stderr] --> src/main.rs:135:21 Dec 19 21:07:48.037 INFO [stderr] | Dec 19 21:07:48.037 INFO [stderr] 135 | for j in 0..(1 << i){ //lateral loop Dec 19 21:07:48.037 INFO [stderr] | ^ help: consider using `_j` instead Dec 19 21:07:48.037 INFO [stderr] Dec 19 21:07:48.044 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.044 INFO [stderr] --> src/main.rs:107:21 Dec 19 21:07:48.044 INFO [stderr] | Dec 19 21:07:48.044 INFO [stderr] 107 | let mut sib_index = Dec 19 21:07:48.044 INFO [stderr] | ----^^^^^^^^^ Dec 19 21:07:48.044 INFO [stderr] | | Dec 19 21:07:48.044 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.044 INFO [stderr] | Dec 19 21:07:48.044 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 21:07:48.044 INFO [stderr] Dec 19 21:07:48.056 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.056 INFO [stderr] --> src/main.rs:197:9 Dec 19 21:07:48.056 INFO [stderr] | Dec 19 21:07:48.056 INFO [stderr] 197 | let mut p = ba.alloc::(); Dec 19 21:07:48.056 INFO [stderr] | ----^ Dec 19 21:07:48.056 INFO [stderr] | | Dec 19 21:07:48.056 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.056 INFO [stderr] Dec 19 21:07:48.056 INFO [stderr] warning: field is never used: `size` Dec 19 21:07:48.056 INFO [stderr] --> src/main.rs:4:5 Dec 19 21:07:48.056 INFO [stderr] | Dec 19 21:07:48.056 INFO [stderr] 4 | size : usize, Dec 19 21:07:48.056 INFO [stderr] | ^^^^^^^^^^^^ Dec 19 21:07:48.056 INFO [stderr] | Dec 19 21:07:48.056 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 21:07:48.056 INFO [stderr] Dec 19 21:07:48.056 INFO [stderr] warning: method is never used: `alloc_with_size` Dec 19 21:07:48.056 INFO [stderr] --> src/main.rs:41:5 Dec 19 21:07:48.056 INFO [stderr] | Dec 19 21:07:48.056 INFO [stderr] 41 | fn alloc_with_size(&mut self, size: usize) -> *mut T{ Dec 19 21:07:48.056 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:07:48.056 INFO [stderr] Dec 19 21:07:48.056 INFO [stderr] warning: method is never used: `free` Dec 19 21:07:48.056 INFO [stderr] --> src/main.rs:87:5 Dec 19 21:07:48.056 INFO [stderr] | Dec 19 21:07:48.056 INFO [stderr] 87 | fn free(&mut self, p : *mut T){ Dec 19 21:07:48.056 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:07:48.056 INFO [stderr] Dec 19 21:07:48.212 INFO [stderr] warning: unreachable statement Dec 19 21:07:48.212 INFO [stderr] --> src/main.rs:84:9 Dec 19 21:07:48.212 INFO [stderr] | Dec 19 21:07:48.212 INFO [stderr] 84 | panic!("Out of memory exception"); Dec 19 21:07:48.212 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:07:48.212 INFO [stderr] | Dec 19 21:07:48.212 INFO [stderr] = note: #[warn(unreachable_code)] on by default Dec 19 21:07:48.212 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 19 21:07:48.212 INFO [stderr] Dec 19 21:07:48.305 INFO [stderr] warning: unused variable: `p2` Dec 19 21:07:48.305 INFO [stderr] --> src/main.rs:286:17 Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] 286 | let mut p2 = ba.alloc::(); Dec 19 21:07:48.305 INFO [stderr] | ^^ help: consider using `_p2` instead Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 21:07:48.305 INFO [stderr] Dec 19 21:07:48.305 INFO [stderr] warning: unused variable: `p` Dec 19 21:07:48.305 INFO [stderr] --> src/main.rs:296:17 Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] 296 | let mut p = ba.alloc::(); Dec 19 21:07:48.305 INFO [stderr] | ^ help: consider using `_p` instead Dec 19 21:07:48.305 INFO [stderr] Dec 19 21:07:48.305 INFO [stderr] warning: unused variable: `i` Dec 19 21:07:48.305 INFO [stderr] --> src/main.rs:30:13 Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] 30 | for i in 0..heap_size { Dec 19 21:07:48.305 INFO [stderr] | ^ help: consider using `_i` instead Dec 19 21:07:48.305 INFO [stderr] Dec 19 21:07:48.305 INFO [stderr] warning: value assigned to `start` is never read Dec 19 21:07:48.305 INFO [stderr] --> src/main.rs:50:17 Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] 50 | let mut start = 0; Dec 19 21:07:48.305 INFO [stderr] | ^^^^^ Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 19 21:07:48.305 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 21:07:48.305 INFO [stderr] Dec 19 21:07:48.305 INFO [stderr] warning: value assigned to `end` is never read Dec 19 21:07:48.305 INFO [stderr] --> src/main.rs:51:17 Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] 51 | let mut end = 0; Dec 19 21:07:48.305 INFO [stderr] | ^^^ Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 21:07:48.305 INFO [stderr] Dec 19 21:07:48.305 INFO [stderr] warning: value assigned to `start` is never read Dec 19 21:07:48.305 INFO [stderr] --> src/main.rs:74:17 Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] 74 | let mut start = 0; Dec 19 21:07:48.305 INFO [stderr] | ^^^^^ Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 21:07:48.305 INFO [stderr] Dec 19 21:07:48.305 INFO [stderr] warning: value assigned to `end` is never read Dec 19 21:07:48.305 INFO [stderr] --> src/main.rs:75:17 Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] 75 | let mut end = 0; Dec 19 21:07:48.305 INFO [stderr] | ^^^ Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] = help: maybe it is overwritten before being read? Dec 19 21:07:48.305 INFO [stderr] Dec 19 21:07:48.305 INFO [stderr] warning: unused variable: `j` Dec 19 21:07:48.305 INFO [stderr] --> src/main.rs:135:21 Dec 19 21:07:48.305 INFO [stderr] | Dec 19 21:07:48.305 INFO [stderr] 135 | for j in 0..(1 << i){ //lateral loop Dec 19 21:07:48.305 INFO [stderr] | ^ help: consider using `_j` instead Dec 19 21:07:48.305 INFO [stderr] Dec 19 21:07:48.316 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.317 INFO [stderr] --> src/main.rs:107:21 Dec 19 21:07:48.317 INFO [stderr] | Dec 19 21:07:48.317 INFO [stderr] 107 | let mut sib_index = Dec 19 21:07:48.317 INFO [stderr] | ----^^^^^^^^^ Dec 19 21:07:48.317 INFO [stderr] | | Dec 19 21:07:48.317 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.317 INFO [stderr] | Dec 19 21:07:48.317 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 21:07:48.317 INFO [stderr] Dec 19 21:07:48.320 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.320 INFO [stderr] --> src/main.rs:197:9 Dec 19 21:07:48.320 INFO [stderr] | Dec 19 21:07:48.320 INFO [stderr] 197 | let mut p = ba.alloc::(); Dec 19 21:07:48.320 INFO [stderr] | ----^ Dec 19 21:07:48.320 INFO [stderr] | | Dec 19 21:07:48.320 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.320 INFO [stderr] Dec 19 21:07:48.347 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.347 INFO [stderr] --> src/main.rs:267:13 Dec 19 21:07:48.347 INFO [stderr] | Dec 19 21:07:48.347 INFO [stderr] 267 | let mut p = ba.alloc::(); Dec 19 21:07:48.347 INFO [stderr] | ----^ Dec 19 21:07:48.347 INFO [stderr] | | Dec 19 21:07:48.347 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.347 INFO [stderr] Dec 19 21:07:48.349 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.350 INFO [stderr] --> src/main.rs:280:13 Dec 19 21:07:48.350 INFO [stderr] | Dec 19 21:07:48.350 INFO [stderr] 280 | let mut p = ba.alloc::(); Dec 19 21:07:48.350 INFO [stderr] | ----^ Dec 19 21:07:48.350 INFO [stderr] | | Dec 19 21:07:48.350 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.350 INFO [stderr] Dec 19 21:07:48.350 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.350 INFO [stderr] --> src/main.rs:286:13 Dec 19 21:07:48.350 INFO [stderr] | Dec 19 21:07:48.350 INFO [stderr] 286 | let mut p2 = ba.alloc::(); Dec 19 21:07:48.350 INFO [stderr] | ----^^ Dec 19 21:07:48.350 INFO [stderr] | | Dec 19 21:07:48.350 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.350 INFO [stderr] Dec 19 21:07:48.355 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.355 INFO [stderr] --> src/main.rs:296:13 Dec 19 21:07:48.355 INFO [stderr] | Dec 19 21:07:48.355 INFO [stderr] 296 | let mut p = ba.alloc::(); Dec 19 21:07:48.355 INFO [stderr] | ----^ Dec 19 21:07:48.355 INFO [stderr] | | Dec 19 21:07:48.355 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.355 INFO [stderr] Dec 19 21:07:48.355 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.355 INFO [stderr] --> src/main.rs:306:13 Dec 19 21:07:48.355 INFO [stderr] | Dec 19 21:07:48.355 INFO [stderr] 306 | let mut p = ba.alloc::(); Dec 19 21:07:48.355 INFO [stderr] | ----^ Dec 19 21:07:48.355 INFO [stderr] | | Dec 19 21:07:48.355 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.355 INFO [stderr] Dec 19 21:07:48.355 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.355 INFO [stderr] --> src/main.rs:310:13 Dec 19 21:07:48.355 INFO [stderr] | Dec 19 21:07:48.355 INFO [stderr] 310 | let mut p2 = ba.alloc::(); Dec 19 21:07:48.355 INFO [stderr] | ----^^ Dec 19 21:07:48.355 INFO [stderr] | | Dec 19 21:07:48.355 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.355 INFO [stderr] Dec 19 21:07:48.355 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.355 INFO [stderr] --> src/main.rs:323:13 Dec 19 21:07:48.355 INFO [stderr] | Dec 19 21:07:48.355 INFO [stderr] 323 | let mut p = ba.alloc::(); Dec 19 21:07:48.355 INFO [stderr] | ----^ Dec 19 21:07:48.355 INFO [stderr] | | Dec 19 21:07:48.355 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.355 INFO [stderr] Dec 19 21:07:48.357 INFO [stderr] warning: variable does not need to be mutable Dec 19 21:07:48.357 INFO [stderr] --> src/main.rs:338:13 Dec 19 21:07:48.357 INFO [stderr] | Dec 19 21:07:48.357 INFO [stderr] 338 | let mut p = ba.alloc::(); Dec 19 21:07:48.357 INFO [stderr] | ----^ Dec 19 21:07:48.357 INFO [stderr] | | Dec 19 21:07:48.357 INFO [stderr] | help: remove this `mut` Dec 19 21:07:48.357 INFO [stderr] Dec 19 21:07:48.357 INFO [stderr] warning: unnecessary `unsafe` block Dec 19 21:07:48.357 INFO [stderr] --> src/main.rs:295:5 Dec 19 21:07:48.357 INFO [stderr] | Dec 19 21:07:48.357 INFO [stderr] 295 | unsafe{ Dec 19 21:07:48.357 INFO [stderr] | ^^^^^^ unnecessary `unsafe` block Dec 19 21:07:48.357 INFO [stderr] | Dec 19 21:07:48.357 INFO [stderr] = note: #[warn(unused_unsafe)] on by default Dec 19 21:07:48.357 INFO [stderr] Dec 19 21:07:48.357 INFO [stderr] warning: unnecessary `unsafe` block Dec 19 21:07:48.357 INFO [stderr] --> src/main.rs:305:5 Dec 19 21:07:48.357 INFO [stderr] | Dec 19 21:07:48.357 INFO [stderr] 305 | unsafe{ Dec 19 21:07:48.357 INFO [stderr] | ^^^^^^ unnecessary `unsafe` block Dec 19 21:07:48.357 INFO [stderr] Dec 19 21:07:48.357 INFO [stderr] warning: unnecessary `unsafe` block Dec 19 21:07:48.357 INFO [stderr] --> src/main.rs:337:5 Dec 19 21:07:48.357 INFO [stderr] | Dec 19 21:07:48.357 INFO [stderr] 337 | unsafe{ Dec 19 21:07:48.357 INFO [stderr] | ^^^^^^ unnecessary `unsafe` block Dec 19 21:07:48.357 INFO [stderr] Dec 19 21:07:48.357 INFO [stderr] warning: field is never used: `size` Dec 19 21:07:48.357 INFO [stderr] --> src/main.rs:4:5 Dec 19 21:07:48.357 INFO [stderr] | Dec 19 21:07:48.357 INFO [stderr] 4 | size : usize, Dec 19 21:07:48.357 INFO [stderr] | ^^^^^^^^^^^^ Dec 19 21:07:48.357 INFO [stderr] | Dec 19 21:07:48.357 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 21:07:48.357 INFO [stderr] Dec 19 21:07:48.357 INFO [stderr] warning: method is never used: `alloc_with_size` Dec 19 21:07:48.357 INFO [stderr] --> src/main.rs:41:5 Dec 19 21:07:48.357 INFO [stderr] | Dec 19 21:07:48.357 INFO [stderr] 41 | fn alloc_with_size(&mut self, size: usize) -> *mut T{ Dec 19 21:07:48.357 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 21:07:48.357 INFO [stderr] Dec 19 21:07:48.380 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.72s Dec 19 21:07:48.865 INFO running `"docker" "inspect" "459c928fe78c4319cc4139b2dbe5aa91dddd92b079ac050ec8f7f12c6bf2b637"` Dec 19 21:07:49.146 INFO running `"docker" "rm" "-f" "459c928fe78c4319cc4139b2dbe5aa91dddd92b079ac050ec8f7f12c6bf2b637"` Dec 19 21:07:49.511 INFO [stdout] 459c928fe78c4319cc4139b2dbe5aa91dddd92b079ac050ec8f7f12c6bf2b637