[INFO] cloning repository https://github.com/segfo/page_allocator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/segfo/page_allocator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Fpage_allocator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Fpage_allocator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51b9c6b06bfac95754c995e4f43cbcc566dc2736
[INFO] checking segfo/page_allocator against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Fpage_allocator" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/segfo/page_allocator on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/segfo/page_allocator
[INFO] finished tweaking git repo https://github.com/segfo/page_allocator
[INFO] tweaked toml for git repo https://github.com/segfo/page_allocator written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/segfo/page_allocator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfc31bd33847a589de213eb5ad6455de833cd5340fa5cf7d939ddc86e0c79d18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cfc31bd33847a589de213eb5ad6455de833cd5340fa5cf7d939ddc86e0c79d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfc31bd33847a589de213eb5ad6455de833cd5340fa5cf7d939ddc86e0c79d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc31bd33847a589de213eb5ad6455de833cd5340fa5cf7d939ddc86e0c79d18", kill_on_drop: false }`
[INFO] [stdout] cfc31bd33847a589de213eb5ad6455de833cd5340fa5cf7d939ddc86e0c79d18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca656dd270e459ea17bef0b0d82bac039bffe7ec0f8796cd927dfe342b212fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ca656dd270e459ea17bef0b0d82bac039bffe7ec0f8796cd927dfe342b212fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking page_memory_allocator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `show_available_memory`
[INFO] [stdout]  --> src/main.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use memory::PageAllocator::{show_available_memory,memtranse,PageMemoryManager};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `show_available_memory`
[INFO] [stdout]  --> src/main.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use memory::PageAllocator::{show_available_memory,memtranse,PageMemoryManager};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/memory/PageAllocator.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let entity = unsafe{MEM_MANAGER.get_entity()};
[INFO] [stdout]    |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `show_area`
[INFO] [stdout]    --> src/memory/PageAllocator.rs:225:4
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn show_area(area:MemoryArea)->String{
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `show_list`
[INFO] [stdout]    --> src/memory/PageAllocator.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn show_list(mlist:MemoryAreaPtr){
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `show_available_memory`
[INFO] [stdout]    --> src/memory/PageAllocator.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub fn show_available_memory(manager:&PageMemoryManager){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `PageAllocator` should have a snake case name
[INFO] [stdout]  --> src/memory/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod PageAllocator;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `page_allocator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/memory/PageAllocator.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let entity = unsafe{MEM_MANAGER.get_entity()};
[INFO] [stdout]    |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `show_area`
[INFO] [stdout]    --> src/memory/PageAllocator.rs:225:4
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn show_area(area:MemoryArea)->String{
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `show_list`
[INFO] [stdout]    --> src/memory/PageAllocator.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn show_list(mlist:MemoryAreaPtr){
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `show_available_memory`
[INFO] [stdout]    --> src/memory/PageAllocator.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub fn show_available_memory(manager:&PageMemoryManager){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `PageAllocator` should have a snake case name
[INFO] [stdout]  --> src/memory/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod PageAllocator;
[INFO] [stdout]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `page_allocator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "7ca656dd270e459ea17bef0b0d82bac039bffe7ec0f8796cd927dfe342b212fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca656dd270e459ea17bef0b0d82bac039bffe7ec0f8796cd927dfe342b212fd", kill_on_drop: false }`
[INFO] [stdout] 7ca656dd270e459ea17bef0b0d82bac039bffe7ec0f8796cd927dfe342b212fd