[INFO] updating cached repository https://github.com/abhijeetbhagat/buddy-allocator [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8e38d8533c873ab32df161b149330a1a6f559793 [INFO] testing abhijeetbhagat/buddy-allocator against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fbuddy-allocator" "work/builds/worker-0/source"` [INFO] [stderr] Cloning into 'work/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abhijeetbhagat/buddy-allocator on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/abhijeetbhagat/buddy-allocator [INFO] finished tweaking git repo https://github.com/abhijeetbhagat/buddy-allocator [INFO] tweaked toml for git repo https://github.com/abhijeetbhagat/buddy-allocator written to work/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/abhijeetbhagat/buddy-allocator already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 445049843d76f4845a51edb6627f0fa32a91ee4cbc44ae0148630b6000a74a96 [INFO] running `"docker" "start" "-a" "445049843d76f4845a51edb6627f0fa32a91ee4cbc44ae0148630b6000a74a96"` [INFO] [stderr] Compiling buddy-alloc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:84:9 [INFO] [stderr] | [INFO] [stderr] 83 | return self.arena[start..end + 1].as_mut_ptr() as *mut T ; [INFO] [stderr] | -------------------------------------------------------- any code following this expression is unreachable [INFO] [stderr] 84 | panic!("Out of memory exception"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | for i in 0..heap_size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `start` is never read [INFO] [stderr] --> src/main.rs:50:17 [INFO] [stderr] | [INFO] [stderr] 50 | let mut start = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `end` is never read [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | let mut end = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `start` is never read [INFO] [stderr] --> src/main.rs:74:17 [INFO] [stderr] | [INFO] [stderr] 74 | let mut start = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `end` is never read [INFO] [stderr] --> src/main.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | let mut end = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/main.rs:135:21 [INFO] [stderr] | [INFO] [stderr] 135 | for j in 0..(1 << i){ //lateral loop [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_j` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:107:21 [INFO] [stderr] | [INFO] [stderr] 107 | let mut sib_index = [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:9 [INFO] [stderr] | [INFO] [stderr] 197 | let mut p = ba.alloc::(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `size` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | size : usize, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `alloc_with_size` [INFO] [stderr] --> src/main.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | fn alloc_with_size(&mut self, size: usize) -> *mut T{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `free` [INFO] [stderr] --> src/main.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | fn free(&mut self, p : *mut T){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `"docker" "inspect" "445049843d76f4845a51edb6627f0fa32a91ee4cbc44ae0148630b6000a74a96"` [INFO] running `"docker" "rm" "-f" "445049843d76f4845a51edb6627f0fa32a91ee4cbc44ae0148630b6000a74a96"` [INFO] [stdout] 445049843d76f4845a51edb6627f0fa32a91ee4cbc44ae0148630b6000a74a96 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] 038756cc8758e7ed673a30522ad20a35ee5f872d9c29e4569e64aef679de2ca6 [INFO] running `"docker" "start" "-a" "038756cc8758e7ed673a30522ad20a35ee5f872d9c29e4569e64aef679de2ca6"` [INFO] [stderr] Compiling buddy-alloc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:84:9 [INFO] [stderr] | [INFO] [stderr] 83 | return self.arena[start..end + 1].as_mut_ptr() as *mut T ; [INFO] [stderr] | -------------------------------------------------------- any code following this expression is unreachable [INFO] [stderr] 84 | panic!("Out of memory exception"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p2` [INFO] [stderr] --> src/main.rs:286:17 [INFO] [stderr] | [INFO] [stderr] 286 | let mut p2 = ba.alloc::(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_p2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/main.rs:296:17 [INFO] [stderr] | [INFO] [stderr] 296 | let mut p = ba.alloc::(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | for i in 0..heap_size { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `start` is never read [INFO] [stderr] --> src/main.rs:50:17 [INFO] [stderr] | [INFO] [stderr] 50 | let mut start = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `end` is never read [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | let mut end = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `start` is never read [INFO] [stderr] --> src/main.rs:74:17 [INFO] [stderr] | [INFO] [stderr] 74 | let mut start = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `end` is never read [INFO] [stderr] --> src/main.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | let mut end = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/main.rs:135:21 [INFO] [stderr] | [INFO] [stderr] 135 | for j in 0..(1 << i){ //lateral loop [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_j` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:107:21 [INFO] [stderr] | [INFO] [stderr] 107 | let mut sib_index = [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:197:9 [INFO] [stderr] | [INFO] [stderr] 197 | let mut p = ba.alloc::(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:267:13 [INFO] [stderr] | [INFO] [stderr] 267 | let mut p = ba.alloc::(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:280:13 [INFO] [stderr] | [INFO] [stderr] 280 | let mut p = ba.alloc::(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:286:13 [INFO] [stderr] | [INFO] [stderr] 286 | let mut p2 = ba.alloc::(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:296:13 [INFO] [stderr] | [INFO] [stderr] 296 | let mut p = ba.alloc::(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:306:13 [INFO] [stderr] | [INFO] [stderr] 306 | let mut p = ba.alloc::(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:310:13 [INFO] [stderr] | [INFO] [stderr] 310 | let mut p2 = ba.alloc::(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:323:13 [INFO] [stderr] | [INFO] [stderr] 323 | let mut p = ba.alloc::(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:338:13 [INFO] [stderr] | [INFO] [stderr] 338 | let mut p = ba.alloc::(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/main.rs:295:5 [INFO] [stderr] | [INFO] [stderr] 295 | unsafe{ [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/main.rs:305:5 [INFO] [stderr] | [INFO] [stderr] 305 | unsafe{ [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/main.rs:337:5 [INFO] [stderr] | [INFO] [stderr] 337 | unsafe{ [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] [INFO] [stderr] warning: field is never used: `size` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | size : usize, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `alloc_with_size` [INFO] [stderr] --> src/main.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | fn alloc_with_size(&mut self, size: usize) -> *mut T{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `"docker" "inspect" "038756cc8758e7ed673a30522ad20a35ee5f872d9c29e4569e64aef679de2ca6"` [INFO] running `"docker" "rm" "-f" "038756cc8758e7ed673a30522ad20a35ee5f872d9c29e4569e64aef679de2ca6"` [INFO] [stdout] 038756cc8758e7ed673a30522ad20a35ee5f872d9c29e4569e64aef679de2ca6 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] 6fa5e7ebfe4ac3ace97c42d6962506f7ee39eb1dc9c3af267287010bb2fa8146 [INFO] running `"docker" "start" "-a" "6fa5e7ebfe4ac3ace97c42d6962506f7ee39eb1dc9c3af267287010bb2fa8146"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/buddy_alloc-f12c6c5fe2beb9ef [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test test_allocation_causes_parents_marked ... ok [INFO] [stdout] test test_blocks_tree_creation ... ok [INFO] [stdout] test test_data_store_2_i32 ... ok [INFO] [stdout] test test_free ... ok [INFO] [stdout] test test_data_store_i32 ... ok [INFO] [stdout] test test_free_traverse_till_root_clubbing_buddies ... ok [INFO] [stdout] test test_get_adjusted_order ... ok [INFO] [stdout] test test_get_block ... ok [INFO] [stdout] test test_get_block_range_start_end ... ok [INFO] [stdout] test test_get_level ... ok [INFO] [stdout] test test_little_endianness ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "6fa5e7ebfe4ac3ace97c42d6962506f7ee39eb1dc9c3af267287010bb2fa8146"` [INFO] running `"docker" "rm" "-f" "6fa5e7ebfe4ac3ace97c42d6962506f7ee39eb1dc9c3af267287010bb2fa8146"` [INFO] [stdout] 6fa5e7ebfe4ac3ace97c42d6962506f7ee39eb1dc9c3af267287010bb2fa8146