[INFO] updating cached repository alexlai97/sorting_algorithm_demos
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexlai97/sorting_algorithm_demos
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexlai97/sorting_algorithm_demos" "work/ex/beta-1.37-6/sources/1.36.0/gh/alexlai97/sorting_algorithm_demos"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/alexlai97/sorting_algorithm_demos'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexlai97/sorting_algorithm_demos" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexlai97/sorting_algorithm_demos"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexlai97/sorting_algorithm_demos'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bdfa390213822847cbb774117f87727f431825e
[INFO] sha for GitHub repo alexlai97/sorting_algorithm_demos: 3bdfa390213822847cbb774117f87727f431825e
[INFO] validating manifest of alexlai97/sorting_algorithm_demos 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 alexlai97/sorting_algorithm_demos 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 alexlai97/sorting_algorithm_demos
[INFO] finished frobbing alexlai97/sorting_algorithm_demos
[INFO] frobbed toml for alexlai97/sorting_algorithm_demos written to work/ex/beta-1.37-6/sources/1.36.0/gh/alexlai97/sorting_algorithm_demos/Cargo.toml
[INFO] started frobbing alexlai97/sorting_algorithm_demos
[INFO] finished frobbing alexlai97/sorting_algorithm_demos
[INFO] frobbed toml for alexlai97/sorting_algorithm_demos written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alexlai97/sorting_algorithm_demos/Cargo.toml
[INFO] crate alexlai97/sorting_algorithm_demos 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 alexlai97/sorting_algorithm_demos 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-2/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/alexlai97/sorting_algorithm_demos:/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] bce17f10957812f2ff0d746f55bde7b2ba601d062529aedeb1c86158ef0163aa
[INFO] running `"docker" "start" "-a" "bce17f10957812f2ff0d746f55bde7b2ba601d062529aedeb1c86158ef0163aa"`
[INFO] [stderr]    Compiling sorting_algs_demos v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::Node::*`
[INFO] [stderr]  --> src/binarytreesort.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use self::Node::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/binarytreesort.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn binarytreesort(mut array: Vec<i32>) -> Vec<i32> {
[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: enum is never used: `Node`
[INFO] [stderr]   --> src/binarytreesort.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | enum Node {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "bce17f10957812f2ff0d746f55bde7b2ba601d062529aedeb1c86158ef0163aa"`
[INFO] running `"docker" "rm" "-f" "bce17f10957812f2ff0d746f55bde7b2ba601d062529aedeb1c86158ef0163aa"`
[INFO] [stdout] bce17f10957812f2ff0d746f55bde7b2ba601d062529aedeb1c86158ef0163aa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/alexlai97/sorting_algorithm_demos:/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] 357117a55801340cee7e2693f706568d98b7cea622a013d669947f2c029b5f02
[INFO] running `"docker" "start" "-a" "357117a55801340cee7e2693f706568d98b7cea622a013d669947f2c029b5f02"`
[INFO] [stderr]    Compiling sorting_algs_demos v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::Node::*`
[INFO] [stderr]  --> src/binarytreesort.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use self::Node::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/binarytreesort.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn binarytreesort(mut array: Vec<i32>) -> Vec<i32> {
[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: enum is never used: `Node`
[INFO] [stderr]   --> src/binarytreesort.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | enum Node {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "357117a55801340cee7e2693f706568d98b7cea622a013d669947f2c029b5f02"`
[INFO] running `"docker" "rm" "-f" "357117a55801340cee7e2693f706568d98b7cea622a013d669947f2c029b5f02"`
[INFO] [stdout] 357117a55801340cee7e2693f706568d98b7cea622a013d669947f2c029b5f02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/alexlai97/sorting_algorithm_demos:/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] 85c22446ee35d35bf6413685f4c7d783e503efd303fd6078805e58faee881e94
[INFO] running `"docker" "start" "-a" "85c22446ee35d35bf6413685f4c7d783e503efd303fd6078805e58faee881e94"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sorting_algs_demos-6d05925e1184350c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test mergesort::tests::mergesort_test ... ok
[INFO] [stdout] test mergesort::tests::merge_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sorting_algs_demos-26e8249503c8aaf9
[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] [stderr]    Doc-tests sorting_algs_demos
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/bubblesort.rs - bubblesort::bubblesort (line 26) ... ok
[INFO] [stdout] test src/insertionsort.rs - insertionsort::insertionsort (line 4) ... ok
[INFO] [stdout] test src/selectionsort.rs - selectionsort::selectionsort (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "85c22446ee35d35bf6413685f4c7d783e503efd303fd6078805e58faee881e94"`
[INFO] running `"docker" "rm" "-f" "85c22446ee35d35bf6413685f4c7d783e503efd303fd6078805e58faee881e94"`
[INFO] [stdout] 85c22446ee35d35bf6413685f4c7d783e503efd303fd6078805e58faee881e94