[INFO] cloning repository https://github.com/abhijeetbhagat/buddy-allocator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abhijeetbhagat/buddy-allocator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fbuddy-allocator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fbuddy-allocator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e38d8533c873ab32df161b149330a1a6f559793 [INFO] testing abhijeetbhagat/buddy-allocator against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fbuddy-allocator" "/workspace/builds/worker-92/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abhijeetbhagat/buddy-allocator on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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 /workspace/builds/worker-92/source/Cargo.toml [INFO] crate git repo https://github.com/abhijeetbhagat/buddy-allocator already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fa2a7d4b0d3739d047e5d4922fe5493642a9d95271450cda7f6897b0a7c34813 [INFO] running `Command { std: "docker" "start" "-a" "fa2a7d4b0d3739d047e5d4922fe5493642a9d95271450cda7f6897b0a7c34813", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa2a7d4b0d3739d047e5d4922fe5493642a9d95271450cda7f6897b0a7c34813", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa2a7d4b0d3739d047e5d4922fe5493642a9d95271450cda7f6897b0a7c34813", kill_on_drop: false }` [INFO] [stdout] fa2a7d4b0d3739d047e5d4922fe5493642a9d95271450cda7f6897b0a7c34813 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6fa9975eaaacbd0d82f04fcef6d22398b3c70a99886b42826ad1f26d5bb34fa3 [INFO] running `Command { std: "docker" "start" "-a" "6fa9975eaaacbd0d82f04fcef6d22398b3c70a99886b42826ad1f26d5bb34fa3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling buddy-alloc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 83 | return self.arena[start..end + 1].as_mut_ptr() as *mut T ; [INFO] [stdout] | -------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] 84 | panic!("Out of memory exception"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | for i in 0..heap_size { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `start` is never read [INFO] [stdout] --> src/main.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut start = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `end` is never read [INFO] [stdout] --> src/main.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut end = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `start` is never read [INFO] [stdout] --> src/main.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | let mut start = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `end` is never read [INFO] [stdout] --> src/main.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | let mut end = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/main.rs:135:21 [INFO] [stdout] | [INFO] [stdout] 135 | for j in 0..(1 << i){ //lateral loop [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:107:21 [INFO] [stdout] | [INFO] [stdout] 107 | let mut sib_index = [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 197 | let mut p = ba.alloc::(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `size` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | size : usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `alloc_with_size` [INFO] [stdout] --> src/main.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | fn alloc_with_size(&mut self, size: usize) -> *mut T{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `free` [INFO] [stdout] --> src/main.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | fn free(&mut self, p : *mut T){ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "6fa9975eaaacbd0d82f04fcef6d22398b3c70a99886b42826ad1f26d5bb34fa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fa9975eaaacbd0d82f04fcef6d22398b3c70a99886b42826ad1f26d5bb34fa3", kill_on_drop: false }` [INFO] [stdout] 6fa9975eaaacbd0d82f04fcef6d22398b3c70a99886b42826ad1f26d5bb34fa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5dd91e51050b14b1e45b9b14d4c1024cbf6a100f465f72c8b978460ffb5106c [INFO] running `Command { std: "docker" "start" "-a" "f5dd91e51050b14b1e45b9b14d4c1024cbf6a100f465f72c8b978460ffb5106c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling buddy-alloc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 83 | return self.arena[start..end + 1].as_mut_ptr() as *mut T ; [INFO] [stdout] | -------------------------------------------------------- any code following this expression is unreachable [INFO] [stdout] 84 | panic!("Out of memory exception"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p2` [INFO] [stdout] --> src/main.rs:286:17 [INFO] [stdout] | [INFO] [stdout] 286 | let mut p2 = ba.alloc::(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> src/main.rs:296:17 [INFO] [stdout] | [INFO] [stdout] 296 | let mut p = ba.alloc::(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | for i in 0..heap_size { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `start` is never read [INFO] [stdout] --> src/main.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | let mut start = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `end` is never read [INFO] [stdout] --> src/main.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | let mut end = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `start` is never read [INFO] [stdout] --> src/main.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | let mut start = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `end` is never read [INFO] [stdout] --> src/main.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | let mut end = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/main.rs:135:21 [INFO] [stdout] | [INFO] [stdout] 135 | for j in 0..(1 << i){ //lateral loop [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:107:21 [INFO] [stdout] | [INFO] [stdout] 107 | let mut sib_index = [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:197:9 [INFO] [stdout] | [INFO] [stdout] 197 | let mut p = ba.alloc::(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:267:13 [INFO] [stdout] | [INFO] [stdout] 267 | let mut p = ba.alloc::(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:280:13 [INFO] [stdout] | [INFO] [stdout] 280 | let mut p = ba.alloc::(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:286:13 [INFO] [stdout] | [INFO] [stdout] 286 | let mut p2 = ba.alloc::(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:296:13 [INFO] [stdout] | [INFO] [stdout] 296 | let mut p = ba.alloc::(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:306:13 [INFO] [stdout] | [INFO] [stdout] 306 | let mut p = ba.alloc::(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:310:13 [INFO] [stdout] | [INFO] [stdout] 310 | let mut p2 = ba.alloc::(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:323:13 [INFO] [stdout] | [INFO] [stdout] 323 | let mut p = ba.alloc::(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:338:13 [INFO] [stdout] | [INFO] [stdout] 338 | let mut p = ba.alloc::(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:295:5 [INFO] [stdout] | [INFO] [stdout] 295 | unsafe{ [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:305:5 [INFO] [stdout] | [INFO] [stdout] 305 | unsafe{ [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/main.rs:337:5 [INFO] [stdout] | [INFO] [stdout] 337 | unsafe{ [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `size` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | size : usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `alloc_with_size` [INFO] [stdout] --> src/main.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | fn alloc_with_size(&mut self, size: usize) -> *mut T{ [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.62s [INFO] running `Command { std: "docker" "inspect" "f5dd91e51050b14b1e45b9b14d4c1024cbf6a100f465f72c8b978460ffb5106c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5dd91e51050b14b1e45b9b14d4c1024cbf6a100f465f72c8b978460ffb5106c", kill_on_drop: false }` [INFO] [stdout] f5dd91e51050b14b1e45b9b14d4c1024cbf6a100f465f72c8b978460ffb5106c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 058eafd22b45269c0c556e4d3201c306c0099e3a70a1d5181e4f868c4c836f26 [INFO] running `Command { std: "docker" "start" "-a" "058eafd22b45269c0c556e4d3201c306c0099e3a70a1d5181e4f868c4c836f26", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 the macro `panic` (in Nightly builds, run with -Z 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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 read: `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: associated function is never used: `alloc_with_size` [INFO] [stderr] --> src/main.rs:41:8 [INFO] [stderr] | [INFO] [stderr] 41 | fn alloc_with_size(&mut self, size: usize) -> *mut T{ [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `buddy-alloc` (bin "buddy-alloc" test) generated 24 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/buddy_alloc-42a29497ab317eed) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test test_allocation_causes_parents_marked ... ok [INFO] [stdout] test test_data_store_2_i32 ... ok [INFO] [stdout] test test_blocks_tree_creation ... 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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "058eafd22b45269c0c556e4d3201c306c0099e3a70a1d5181e4f868c4c836f26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "058eafd22b45269c0c556e4d3201c306c0099e3a70a1d5181e4f868c4c836f26", kill_on_drop: false }` [INFO] [stdout] 058eafd22b45269c0c556e4d3201c306c0099e3a70a1d5181e4f868c4c836f26