[INFO] cloning repository garyemerson/angry_children_2
[INFO] running `"git" "clone" "--bare" "git://github.com/garyemerson/angry_children_2.git" "work/cache/sources/gh/garyemerson/angry_children_2"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/garyemerson/angry_children_2'...
[INFO] running `"git" "clone" "work/cache/sources/gh/garyemerson/angry_children_2" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/garyemerson/angry_children_2"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/garyemerson/angry_children_2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/garyemerson/angry_children_2" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/garyemerson/angry_children_2"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/garyemerson/angry_children_2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc804dba709405b1fecc8e1b220d1603e5812df9
[INFO] sha for GitHub repo garyemerson/angry_children_2: cc804dba709405b1fecc8e1b220d1603e5812df9
[INFO] validating manifest of garyemerson/angry_children_2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of garyemerson/angry_children_2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing garyemerson/angry_children_2
[INFO] finished frobbing garyemerson/angry_children_2
[INFO] frobbed toml for garyemerson/angry_children_2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/garyemerson/angry_children_2/Cargo.toml
[INFO] started frobbing garyemerson/angry_children_2
[INFO] finished frobbing garyemerson/angry_children_2
[INFO] frobbed toml for garyemerson/angry_children_2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/garyemerson/angry_children_2/Cargo.toml
[INFO] crate garyemerson/angry_children_2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing garyemerson/angry_children_2 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/garyemerson/angry_children_2:/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] a588df33730e7122a8b06d89171dcfab4e8064505b09d25bdbb93f99719ea838
[INFO] running `"docker" "start" "-a" "a588df33730e7122a8b06d89171dcfab4e8064505b09d25bdbb93f99719ea838"`
[INFO] [stderr]    Compiling angry_children_2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 |             - log("old part    ", (sum(&sums, start, start + k - 2) - ((k - 1) as i64) * packets[start - 1]));
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:52:28
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn log<T: std::fmt::Debug>(msg: &str, val: T) -> T {
[INFO] [stderr]    |                            ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_unfair_slow`
[INFO] [stderr]   --> src/main.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn get_unfair_slow(packets: &Vec<i64>, start: usize, end: usize) -> i64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "a588df33730e7122a8b06d89171dcfab4e8064505b09d25bdbb93f99719ea838"`
[INFO] running `"docker" "rm" "-f" "a588df33730e7122a8b06d89171dcfab4e8064505b09d25bdbb93f99719ea838"`
[INFO] [stdout] a588df33730e7122a8b06d89171dcfab4e8064505b09d25bdbb93f99719ea838
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/garyemerson/angry_children_2:/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e34e2eb53c6f9ea4f57fa0e4f93f9316d62e1349acb4adf599e6389178fd308a
[INFO] running `"docker" "start" "-a" "e34e2eb53c6f9ea4f57fa0e4f93f9316d62e1349acb4adf599e6389178fd308a"`
[INFO] [stderr]    Compiling angry_children_2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:34:35
[INFO] [stderr]    |
[INFO] [stderr] 34 |             - log("old part    ", (sum(&sums, start, start + k - 2) - ((k - 1) as i64) * packets[start - 1]));
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:52:28
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn log<T: std::fmt::Debug>(msg: &str, val: T) -> T {
[INFO] [stderr]    |                            ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_unfair_slow`
[INFO] [stderr]   --> src/main.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn get_unfair_slow(packets: &Vec<i64>, start: usize, end: usize) -> i64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "e34e2eb53c6f9ea4f57fa0e4f93f9316d62e1349acb4adf599e6389178fd308a"`
[INFO] running `"docker" "rm" "-f" "e34e2eb53c6f9ea4f57fa0e4f93f9316d62e1349acb4adf599e6389178fd308a"`
[INFO] [stdout] e34e2eb53c6f9ea4f57fa0e4f93f9316d62e1349acb4adf599e6389178fd308a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/garyemerson/angry_children_2:/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] c7ea2ee4eb71b087f1e699137c1d3e4c6fe85c264df16be30af122ccdfe2f4ff
[INFO] running `"docker" "start" "-a" "c7ea2ee4eb71b087f1e699137c1d3e4c6fe85c264df16be30af122ccdfe2f4ff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/angry_children_2-22eb6858c43de166
[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" "c7ea2ee4eb71b087f1e699137c1d3e4c6fe85c264df16be30af122ccdfe2f4ff"`
[INFO] running `"docker" "rm" "-f" "c7ea2ee4eb71b087f1e699137c1d3e4c6fe85c264df16be30af122ccdfe2f4ff"`
[INFO] [stdout] c7ea2ee4eb71b087f1e699137c1d3e4c6fe85c264df16be30af122ccdfe2f4ff