[INFO] cloning repository https://github.com/ZiCog/loop_blocking [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZiCog/loop_blocking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Floop_blocking"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Floop_blocking'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5b08e067859d1a8e184b80eb6ddf64d1d8fddcb9 [INFO] checking ZiCog/loop_blocking against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Floop_blocking" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZiCog/loop_blocking on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ZiCog/loop_blocking [INFO] finished tweaking git repo https://github.com/ZiCog/loop_blocking [INFO] tweaked toml for git repo https://github.com/ZiCog/loop_blocking written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/ZiCog/loop_blocking already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] fc40213855f8718a64e6f834ade41025a00b33cf31110e0037f2b0c5d3785e7a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "fc40213855f8718a64e6f834ade41025a00b33cf31110e0037f2b0c5d3785e7a"` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking time v0.2.1 [INFO] [stderr] Checking loop_blocking v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `block` [INFO] [stderr] --> src/main.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | let block = vec![0; 64 * 64]; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `block` [INFO] [stderr] --> src/main.rs:201:9 [INFO] [stderr] | [INFO] [stderr] 201 | let block = Block::new(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `array` [INFO] [stderr] --> src/main.rs:203:9 [INFO] [stderr] | [INFO] [stderr] 203 | let array = Array::new(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_array` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let mut b = unchecked_index(b); [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: unused variable: `block` [INFO] [stderr] --> src/main.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | let block = vec![0; 64 * 64]; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `block` [INFO] [stderr] --> src/main.rs:201:9 [INFO] [stderr] | [INFO] [stderr] 201 | let block = Block::new(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `array` [INFO] [stderr] --> src/main.rs:203:9 [INFO] [stderr] | [INFO] [stderr] 203 | let array = Array::new(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_array` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let mut b = unchecked_index(b); [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: method is never used: `get` [INFO] [stderr] --> src/main.rs:158:5 [INFO] [stderr] | [INFO] [stderr] 158 | fn get (&self, i: usize, j: usize) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set` [INFO] [stderr] --> src/main.rs:162:5 [INFO] [stderr] | [INFO] [stderr] 162 | fn set (&mut self, i: usize, j: usize, value: i32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add` [INFO] [stderr] --> src/main.rs:166:5 [INFO] [stderr] | [INFO] [stderr] 166 | fn add (&mut self, other: &Block) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_transpose` [INFO] [stderr] --> src/main.rs:175:5 [INFO] [stderr] | [INFO] [stderr] 175 | fn add_transpose (&mut self, other: &Block) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/rustc_output.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![register_tool(c2rust)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate-level attribute should be in the root module [INFO] [stderr] --> src/rustc_output.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![register_tool(c2rust)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/rustc_output.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(main, register_tool)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate-level attribute should be in the root module [INFO] [stderr] --> src/rustc_output.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(main, register_tool)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/main.rs:158:5 [INFO] [stderr] | [INFO] [stderr] 158 | fn get (&self, i: usize, j: usize) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set` [INFO] [stderr] --> src/main.rs:162:5 [INFO] [stderr] | [INFO] [stderr] 162 | fn set (&mut self, i: usize, j: usize, value: i32) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add` [INFO] [stderr] --> src/main.rs:166:5 [INFO] [stderr] | [INFO] [stderr] 166 | fn add (&mut self, other: &Block) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_transpose` [INFO] [stderr] --> src/main.rs:175:5 [INFO] [stderr] | [INFO] [stderr] 175 | fn add_transpose (&mut self, other: &Block) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/rustc_output.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![register_tool(c2rust)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: crate-level attribute should be in the root module [INFO] [stderr] --> src/rustc_output.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![register_tool(c2rust)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/rustc_output.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(main, register_tool)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate-level attribute should be in the root module [INFO] [stderr] --> src/rustc_output.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(main, register_tool)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.78s [INFO] running `"docker" "inspect" "fc40213855f8718a64e6f834ade41025a00b33cf31110e0037f2b0c5d3785e7a"` [INFO] running `"docker" "rm" "-f" "fc40213855f8718a64e6f834ade41025a00b33cf31110e0037f2b0c5d3785e7a"` [INFO] [stdout] fc40213855f8718a64e6f834ade41025a00b33cf31110e0037f2b0c5d3785e7a