[INFO] updating cached repository Rah837/radix_sort
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Rah837/radix_sort
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Rah837/radix_sort" "work/ex/beta-1.38-1/sources/1.37.0/gh/Rah837/radix_sort"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Rah837/radix_sort'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Rah837/radix_sort" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rah837/radix_sort"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rah837/radix_sort'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 703fa92a9537dc0f947c771ca027df4a36a58634
[INFO] sha for GitHub repo Rah837/radix_sort: 703fa92a9537dc0f947c771ca027df4a36a58634
[INFO] validating manifest of Rah837/radix_sort 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 Rah837/radix_sort 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 Rah837/radix_sort
[INFO] finished frobbing Rah837/radix_sort
[INFO] frobbed toml for Rah837/radix_sort written to work/ex/beta-1.38-1/sources/1.37.0/gh/Rah837/radix_sort/Cargo.toml
[INFO] started frobbing Rah837/radix_sort
[INFO] finished frobbing Rah837/radix_sort
[INFO] frobbed toml for Rah837/radix_sort written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Rah837/radix_sort/Cargo.toml
[INFO] crate Rah837/radix_sort 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Rah837/radix_sort 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/Rah837/radix_sort:/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] 6232a3d585aead72ec8c21de3076f405ec5d89666c872b66333c8ae5c3ba64c5
[INFO] running `"docker" "start" "-a" "6232a3d585aead72ec8c21de3076f405ec5d89666c872b66333c8ae5c3ba64c5"`
[INFO] [stderr]    Compiling radix_sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `data` is never read
[INFO] [stderr]   --> src/main.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     data = unsafe {
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "6232a3d585aead72ec8c21de3076f405ec5d89666c872b66333c8ae5c3ba64c5"`
[INFO] running `"docker" "rm" "-f" "6232a3d585aead72ec8c21de3076f405ec5d89666c872b66333c8ae5c3ba64c5"`
[INFO] [stdout] 6232a3d585aead72ec8c21de3076f405ec5d89666c872b66333c8ae5c3ba64c5
[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/Rah837/radix_sort:/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] c0576baeff4370be85f9338c156151c1bfb5771bd60a68ed1388708bfde49447
[INFO] running `"docker" "start" "-a" "c0576baeff4370be85f9338c156151c1bfb5771bd60a68ed1388708bfde49447"`
[INFO] [stderr]    Compiling radix_sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `data` is never read
[INFO] [stderr]   --> src/main.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     data = unsafe {
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "c0576baeff4370be85f9338c156151c1bfb5771bd60a68ed1388708bfde49447"`
[INFO] running `"docker" "rm" "-f" "c0576baeff4370be85f9338c156151c1bfb5771bd60a68ed1388708bfde49447"`
[INFO] [stdout] c0576baeff4370be85f9338c156151c1bfb5771bd60a68ed1388708bfde49447
[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/Rah837/radix_sort:/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] 829ec01ac3dc49390275e108b89b1f0fdae28866b53ba8bf0c3052e08350168a
[INFO] running `"docker" "start" "-a" "829ec01ac3dc49390275e108b89b1f0fdae28866b53ba8bf0c3052e08350168a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/radix_sort-d182f18406f5923e
[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" "829ec01ac3dc49390275e108b89b1f0fdae28866b53ba8bf0c3052e08350168a"`
[INFO] running `"docker" "rm" "-f" "829ec01ac3dc49390275e108b89b1f0fdae28866b53ba8bf0c3052e08350168a"`
[INFO] [stdout] 829ec01ac3dc49390275e108b89b1f0fdae28866b53ba8bf0c3052e08350168a