[INFO] updating cached repository ioncodes/memory_stuff
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ioncodes/memory_stuff
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ioncodes/memory_stuff" "work/ex/beta-1.37-6/sources/1.36.0/gh/ioncodes/memory_stuff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ioncodes/memory_stuff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ioncodes/memory_stuff" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ioncodes/memory_stuff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ioncodes/memory_stuff'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3e62297a2491714400749b7d3c04e82ef4568a8a
[INFO] sha for GitHub repo ioncodes/memory_stuff: 3e62297a2491714400749b7d3c04e82ef4568a8a
[INFO] validating manifest of ioncodes/memory_stuff on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ioncodes/memory_stuff on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ioncodes/memory_stuff
[INFO] finished frobbing ioncodes/memory_stuff
[INFO] frobbed toml for ioncodes/memory_stuff written to work/ex/beta-1.37-6/sources/1.36.0/gh/ioncodes/memory_stuff/Cargo.toml
[INFO] started frobbing ioncodes/memory_stuff
[INFO] finished frobbing ioncodes/memory_stuff
[INFO] frobbed toml for ioncodes/memory_stuff written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ioncodes/memory_stuff/Cargo.toml
[INFO] crate ioncodes/memory_stuff already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ioncodes/memory_stuff against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ioncodes/memory_stuff:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 23f182a1babdbfebe59d2985ab74079eae099bd2ed6a3e019c6bef01f993a50d
[INFO] running `"docker" "start" "-a" "23f182a1babdbfebe59d2985ab74079eae099bd2ed6a3e019c6bef01f993a50d"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling errno v0.2.3
[INFO] [stderr]    Compiling aligned_alloc v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling region v0.1.1
[INFO] [stderr]    Compiling memory_stuff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/memory.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut ptr: *mut libc::c_void;
[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: field is never used: `size`
[INFO] [stderr]   --> src/memory.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fill`
[INFO] [stderr]   --> src/memory.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn fill(&mut self, asm: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/memory.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.56s
[INFO] running `"docker" "inspect" "23f182a1babdbfebe59d2985ab74079eae099bd2ed6a3e019c6bef01f993a50d"`
[INFO] running `"docker" "rm" "-f" "23f182a1babdbfebe59d2985ab74079eae099bd2ed6a3e019c6bef01f993a50d"`
[INFO] [stdout] 23f182a1babdbfebe59d2985ab74079eae099bd2ed6a3e019c6bef01f993a50d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ioncodes/memory_stuff:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 19da3615b93e9c02aa9e4d1a2855f150c1b2478fc6372879b99636c66399d45d
[INFO] running `"docker" "start" "-a" "19da3615b93e9c02aa9e4d1a2855f150c1b2478fc6372879b99636c66399d45d"`
[INFO] [stderr]    Compiling memory_stuff v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/memory.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut ptr: *mut libc::c_void;
[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: field is never used: `size`
[INFO] [stderr]   --> src/memory.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fill`
[INFO] [stderr]   --> src/memory.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn fill(&mut self, asm: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/memory.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "19da3615b93e9c02aa9e4d1a2855f150c1b2478fc6372879b99636c66399d45d"`
[INFO] running `"docker" "rm" "-f" "19da3615b93e9c02aa9e4d1a2855f150c1b2478fc6372879b99636c66399d45d"`
[INFO] [stdout] 19da3615b93e9c02aa9e4d1a2855f150c1b2478fc6372879b99636c66399d45d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ioncodes/memory_stuff:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0566d18939a5aa706b7c73afadd4dd9c21c9c7e292632dd31ef241f8df3b64fe
[INFO] running `"docker" "start" "-a" "0566d18939a5aa706b7c73afadd4dd9c21c9c7e292632dd31ef241f8df3b64fe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/memory_stuff-64c87e81cd0c5d4e
[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" "0566d18939a5aa706b7c73afadd4dd9c21c9c7e292632dd31ef241f8df3b64fe"`
[INFO] running `"docker" "rm" "-f" "0566d18939a5aa706b7c73afadd4dd9c21c9c7e292632dd31ef241f8df3b64fe"`
[INFO] [stdout] 0566d18939a5aa706b7c73afadd4dd9c21c9c7e292632dd31ef241f8df3b64fe