[INFO] updating cached repository segfo/page_allocator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/segfo/page_allocator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/segfo/page_allocator" "work/ex/beta-1.38-1/sources/1.37.0/gh/segfo/page_allocator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/segfo/page_allocator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/segfo/page_allocator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/segfo/page_allocator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/segfo/page_allocator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51b9c6b06bfac95754c995e4f43cbcc566dc2736
[INFO] sha for GitHub repo segfo/page_allocator: 51b9c6b06bfac95754c995e4f43cbcc566dc2736
[INFO] validating manifest of segfo/page_allocator on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of segfo/page_allocator on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing segfo/page_allocator
[INFO] finished frobbing segfo/page_allocator
[INFO] frobbed toml for segfo/page_allocator written to work/ex/beta-1.38-1/sources/1.37.0/gh/segfo/page_allocator/Cargo.toml
[INFO] started frobbing segfo/page_allocator
[INFO] finished frobbing segfo/page_allocator
[INFO] frobbed toml for segfo/page_allocator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/segfo/page_allocator/Cargo.toml
[INFO] crate segfo/page_allocator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing segfo/page_allocator against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/segfo/page_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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 65374a9ce7df86b0c1cf768099867740d755aa9bff6575b572b262c074ae1387
[INFO] running `"docker" "start" "-a" "65374a9ce7df86b0c1cf768099867740d755aa9bff6575b572b262c074ae1387"`
[INFO] [stderr]    Compiling page_memory_allocator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `show_available_memory`
[INFO] [stderr]  --> src/main.rs:2:29
[INFO] [stderr]   |
[INFO] [stderr] 2 | use memory::PageAllocator::{show_available_memory,memtranse,PageMemoryManager};
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/memory/PageAllocator.rs:74:22
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let entity = unsafe{MEM_MANAGER.get_entity()};
[INFO] [stderr]    |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_area`
[INFO] [stderr]    --> src/memory/PageAllocator.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn show_area(area:MemoryArea)->String{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_list`
[INFO] [stderr]    --> src/memory/PageAllocator.rs:230:1
[INFO] [stderr]     |
[INFO] [stderr] 230 | fn show_list(mlist:MemoryAreaPtr){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_available_memory`
[INFO] [stderr]    --> src/memory/PageAllocator.rs:243:1
[INFO] [stderr]     |
[INFO] [stderr] 243 | pub fn show_available_memory(manager:&PageMemoryManager){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `PageAllocator` should have a snake case name
[INFO] [stderr]  --> src/memory/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod PageAllocator;
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `page_allocator`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "65374a9ce7df86b0c1cf768099867740d755aa9bff6575b572b262c074ae1387"`
[INFO] running `"docker" "rm" "-f" "65374a9ce7df86b0c1cf768099867740d755aa9bff6575b572b262c074ae1387"`
[INFO] [stdout] 65374a9ce7df86b0c1cf768099867740d755aa9bff6575b572b262c074ae1387
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/segfo/page_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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] cdf0395e0543fd42767d4fb17d1afe27ef923274e986d7c7c74ce9e40a263ebb
[INFO] running `"docker" "start" "-a" "cdf0395e0543fd42767d4fb17d1afe27ef923274e986d7c7c74ce9e40a263ebb"`
[INFO] [stderr]    Compiling page_memory_allocator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `show_available_memory`
[INFO] [stderr]  --> src/main.rs:2:29
[INFO] [stderr]   |
[INFO] [stderr] 2 | use memory::PageAllocator::{show_available_memory,memtranse,PageMemoryManager};
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/memory/PageAllocator.rs:74:22
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let entity = unsafe{MEM_MANAGER.get_entity()};
[INFO] [stderr]    |                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_area`
[INFO] [stderr]    --> src/memory/PageAllocator.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn show_area(area:MemoryArea)->String{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_list`
[INFO] [stderr]    --> src/memory/PageAllocator.rs:230:1
[INFO] [stderr]     |
[INFO] [stderr] 230 | fn show_list(mlist:MemoryAreaPtr){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_available_memory`
[INFO] [stderr]    --> src/memory/PageAllocator.rs:243:1
[INFO] [stderr]     |
[INFO] [stderr] 243 | pub fn show_available_memory(manager:&PageMemoryManager){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `PageAllocator` should have a snake case name
[INFO] [stderr]  --> src/memory/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod PageAllocator;
[INFO] [stderr]   |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `page_allocator`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "cdf0395e0543fd42767d4fb17d1afe27ef923274e986d7c7c74ce9e40a263ebb"`
[INFO] running `"docker" "rm" "-f" "cdf0395e0543fd42767d4fb17d1afe27ef923274e986d7c7c74ce9e40a263ebb"`
[INFO] [stdout] cdf0395e0543fd42767d4fb17d1afe27ef923274e986d7c7c74ce9e40a263ebb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/segfo/page_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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5b5181f4dfc3d2a92169f27e18bdb05e7fcd8c2668a83f6a764199b0a6bdf6ea
[INFO] running `"docker" "start" "-a" "5b5181f4dfc3d2a92169f27e18bdb05e7fcd8c2668a83f6a764199b0a6bdf6ea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/page_memory_allocator-50b3211e553b828d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5b5181f4dfc3d2a92169f27e18bdb05e7fcd8c2668a83f6a764199b0a6bdf6ea"`
[INFO] running `"docker" "rm" "-f" "5b5181f4dfc3d2a92169f27e18bdb05e7fcd8c2668a83f6a764199b0a6bdf6ea"`
[INFO] [stdout] 5b5181f4dfc3d2a92169f27e18bdb05e7fcd8c2668a83f6a764199b0a6bdf6ea