[INFO] updating cached repository ioncodes/mem_jit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ioncodes/mem_jit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ioncodes/mem_jit" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ioncodes/mem_jit"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ioncodes/mem_jit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ioncodes/mem_jit" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ioncodes/mem_jit"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ioncodes/mem_jit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 59650db6204b983a40773adfa6406c91c9708dfa
[INFO] sha for GitHub repo ioncodes/mem_jit: 59650db6204b983a40773adfa6406c91c9708dfa
[INFO] validating manifest of ioncodes/mem_jit on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ioncodes/mem_jit on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ioncodes/mem_jit
[INFO] finished frobbing ioncodes/mem_jit
[INFO] frobbed toml for ioncodes/mem_jit written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ioncodes/mem_jit/Cargo.toml
[INFO] started frobbing ioncodes/mem_jit
[INFO] finished frobbing ioncodes/mem_jit
[INFO] frobbed toml for ioncodes/mem_jit written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ioncodes/mem_jit/Cargo.toml
[INFO] crate ioncodes/mem_jit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ioncodes/mem_jit against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-7/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ioncodes/mem_jit:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2492fe7aced14972e3bd0c4bd4201c02a8a958aedbafb66e7582a4be4c024d4e
[INFO] running `"docker" "start" "-a" "2492fe7aced14972e3bd0c4bd4201c02a8a958aedbafb66e7582a4be4c024d4e"`
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking errno v0.2.3
[INFO] [stderr]     Checking aligned_alloc v0.1.3
[INFO] [stderr]     Checking region v0.0.9
[INFO] [stderr]     Checking mem_tests v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let val = read(contents, 0);
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let val = read(contents, 0);
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `size`
[INFO] [stderr]   --> src/jit_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/jit_memory.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn fill(&mut self, asm: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump`
[INFO] [stderr]   --> src/jit_memory.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn dump(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/jit_memory.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `size`
[INFO] [stderr]   --> src/jit_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/jit_memory.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn fill(&mut self, asm: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump`
[INFO] [stderr]   --> src/jit_memory.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn dump(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]   --> src/jit_memory.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn reset(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "2492fe7aced14972e3bd0c4bd4201c02a8a958aedbafb66e7582a4be4c024d4e"`
[INFO] running `"docker" "rm" "-f" "2492fe7aced14972e3bd0c4bd4201c02a8a958aedbafb66e7582a4be4c024d4e"`
[INFO] [stdout] 2492fe7aced14972e3bd0c4bd4201c02a8a958aedbafb66e7582a4be4c024d4e