[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-1.38-1/sources/1.37.0/gh/ioncodes/memory_stuff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ioncodes/memory_stuff'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ioncodes/memory_stuff" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ioncodes/memory_stuff"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ioncodes/memory_stuff 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 ioncodes/memory_stuff
[INFO] finished frobbing ioncodes/memory_stuff
[INFO] frobbed toml for ioncodes/memory_stuff written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 ioncodes/memory_stuff against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 89c539bf238ed7d31158e90d2276e96bb56037b35bd980c4d71e55c4ba5893fa
[INFO] running `"docker" "start" "-a" "89c539bf238ed7d31158e90d2276e96bb56037b35bd980c4d71e55c4ba5893fa"`
[INFO] [stderr]    Compiling errno v0.2.3
[INFO] [stderr]    Compiling aligned_alloc v0.1.3
[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 2.76s
[INFO] running `"docker" "inspect" "89c539bf238ed7d31158e90d2276e96bb56037b35bd980c4d71e55c4ba5893fa"`
[INFO] running `"docker" "rm" "-f" "89c539bf238ed7d31158e90d2276e96bb56037b35bd980c4d71e55c4ba5893fa"`
[INFO] [stdout] 89c539bf238ed7d31158e90d2276e96bb56037b35bd980c4d71e55c4ba5893fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 87742f83d34274f0a4cf2cca101abd156fe6791035e3d4d18cd6256bf00bb9bd
[INFO] running `"docker" "start" "-a" "87742f83d34274f0a4cf2cca101abd156fe6791035e3d4d18cd6256bf00bb9bd"`
[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 0.65s
[INFO] running `"docker" "inspect" "87742f83d34274f0a4cf2cca101abd156fe6791035e3d4d18cd6256bf00bb9bd"`
[INFO] running `"docker" "rm" "-f" "87742f83d34274f0a4cf2cca101abd156fe6791035e3d4d18cd6256bf00bb9bd"`
[INFO] [stdout] 87742f83d34274f0a4cf2cca101abd156fe6791035e3d4d18cd6256bf00bb9bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 3b0c67c75abebc1d0bcf9173b0013c118e9f5f3bd88b8dd4d6ede7eea86c77d6
[INFO] running `"docker" "start" "-a" "3b0c67c75abebc1d0bcf9173b0013c118e9f5f3bd88b8dd4d6ede7eea86c77d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/memory_stuff-96cb09ac95d1c15a
[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" "3b0c67c75abebc1d0bcf9173b0013c118e9f5f3bd88b8dd4d6ede7eea86c77d6"`
[INFO] running `"docker" "rm" "-f" "3b0c67c75abebc1d0bcf9173b0013c118e9f5f3bd88b8dd4d6ede7eea86c77d6"`
[INFO] [stdout] 3b0c67c75abebc1d0bcf9173b0013c118e9f5f3bd88b8dd4d6ede7eea86c77d6