[INFO] updating cached repository https://github.com/Somnid/code-crackers
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f86147253a6de97f1ed073f1ee3d3984cbe78661
[INFO] testing Somnid/code-crackers against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSomnid%2Fcode-crackers" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Somnid/code-crackers on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Somnid/code-crackers
[INFO] finished tweaking git repo https://github.com/Somnid/code-crackers
[INFO] tweaked toml for git repo https://github.com/Somnid/code-crackers written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Somnid/code-crackers already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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 `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06b4a5d5dd49ea47e7c753da416022bd87aeab0745614dd45f609491a8ebc5a2
[INFO] running `"docker" "start" "-a" "06b4a5d5dd49ea47e7c753da416022bd87aeab0745614dd45f609491a8ebc5a2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling code-crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `get_bit_size`
[INFO] [stderr]  --> src/lib.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn get_bit_size(num: u32) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_fixed_binary_vec`
[INFO] [stderr]   --> src/lib.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn to_fixed_binary_vec(num: u32, bit_size: u32) -> Vec<bool> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_least_sum`
[INFO] [stderr]   --> src/lib.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn get_least_sum(input: Vec<i32>, set_pattern: Vec<bool>) -> Option<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_least_sum_sets`
[INFO] [stderr]   --> src/lib.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn get_least_sum_sets(input: Vec<i32>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "06b4a5d5dd49ea47e7c753da416022bd87aeab0745614dd45f609491a8ebc5a2"`
[INFO] running `"docker" "rm" "-f" "06b4a5d5dd49ea47e7c753da416022bd87aeab0745614dd45f609491a8ebc5a2"`
[INFO] [stdout] 06b4a5d5dd49ea47e7c753da416022bd87aeab0745614dd45f609491a8ebc5a2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4c687287699f7bbeb816eb6f9ac6e0f08102ec4f2206c0abe99ba8d13e2250a
[INFO] running `"docker" "start" "-a" "f4c687287699f7bbeb816eb6f9ac6e0f08102ec4f2206c0abe99ba8d13e2250a"`
[INFO] [stderr]    Compiling code-crack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `get_bit_size`
[INFO] [stderr]  --> src/lib.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn get_bit_size(num: u32) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_fixed_binary_vec`
[INFO] [stderr]   --> src/lib.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn to_fixed_binary_vec(num: u32, bit_size: u32) -> Vec<bool> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_least_sum`
[INFO] [stderr]   --> src/lib.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn get_least_sum(input: Vec<i32>, set_pattern: Vec<bool>) -> Option<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_least_sum_sets`
[INFO] [stderr]   --> src/lib.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn get_least_sum_sets(input: Vec<i32>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "f4c687287699f7bbeb816eb6f9ac6e0f08102ec4f2206c0abe99ba8d13e2250a"`
[INFO] running `"docker" "rm" "-f" "f4c687287699f7bbeb816eb6f9ac6e0f08102ec4f2206c0abe99ba8d13e2250a"`
[INFO] [stdout] f4c687287699f7bbeb816eb6f9ac6e0f08102ec4f2206c0abe99ba8d13e2250a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 5a99310378516a0f410ec2d216334a4f0730a820e2fa7024e5226a644d8ba113
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5a99310378516a0f410ec2d216334a4f0730a820e2fa7024e5226a644d8ba113"`
[INFO] [stderr] warning: function is never used: `get_bit_size`
[INFO] [stderr]  --> src/lib.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn get_bit_size(num: u32) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_fixed_binary_vec`
[INFO] [stderr]   --> src/lib.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn to_fixed_binary_vec(num: u32, bit_size: u32) -> Vec<bool> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_least_sum`
[INFO] [stderr]   --> src/lib.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn get_least_sum(input: Vec<i32>, set_pattern: Vec<bool>) -> Option<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_least_sum_sets`
[INFO] [stderr]   --> src/lib.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn get_least_sum_sets(input: Vec<i32>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/code_crack-2d07b1631a193188
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sum_subset_tests::get_least_sum_sets_gets_right_answer ... ok
[INFO] [stdout] test sum_subset_tests::get_bit_size_gets_bit_size ... 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/rustwide/target/debug/deps/code_crack-102050c8dfc37850
[INFO] [stderr]    Doc-tests code-crack
[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] [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" "5a99310378516a0f410ec2d216334a4f0730a820e2fa7024e5226a644d8ba113"`
[INFO] running `"docker" "rm" "-f" "5a99310378516a0f410ec2d216334a4f0730a820e2fa7024e5226a644d8ba113"`
[INFO] [stdout] 5a99310378516a0f410ec2d216334a4f0730a820e2fa7024e5226a644d8ba113