[INFO] updating cached repository https://github.com/colinkingswood/rust_experiment
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 57ef0f51ffe5d94f845e576c04017becdc0acf23
[INFO] testing colinkingswood/rust_experiment against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinkingswood%2Frust_experiment" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colinkingswood/rust_experiment on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/colinkingswood/rust_experiment
[INFO] finished tweaking git repo https://github.com/colinkingswood/rust_experiment
[INFO] tweaked toml for git repo https://github.com/colinkingswood/rust_experiment written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/colinkingswood/rust_experiment already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] e13aa5d4e4b7b81d5eaffc97c142b828bbaf9a7a6330bf700563dbd81bcde0db
[INFO] running `"docker" "start" "-a" "e13aa5d4e4b7b81d5eaffc97c142b828bbaf9a7a6330bf700563dbd81bcde0db"`
[INFO] [stderr]    Compiling mulitplex_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `current_list`
[INFO] [stderr]    --> src/main.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn test(current_list:&[(u8,u8)])->usize{
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_current_list`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_matrix`
[INFO] [stderr]    --> src/main.rs:111:1
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn print_matrix(matrix:Vec<Vec<(u8,u8)>>){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_next_list`
[INFO] [stderr]    --> src/main.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn get_next_list(current_list:&Vec<Vec<(u8,u8)>>)->Vec<(u8,u8)>{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]    --> src/main.rs:149:1
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn test(current_list:&[(u8,u8)])->usize{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "e13aa5d4e4b7b81d5eaffc97c142b828bbaf9a7a6330bf700563dbd81bcde0db"`
[INFO] running `"docker" "rm" "-f" "e13aa5d4e4b7b81d5eaffc97c142b828bbaf9a7a6330bf700563dbd81bcde0db"`
[INFO] [stdout] e13aa5d4e4b7b81d5eaffc97c142b828bbaf9a7a6330bf700563dbd81bcde0db
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] f1f35e15127acc24b269f8992d8ea8a1fb0fc0daf070dacee040920d803c9c3c
[INFO] running `"docker" "start" "-a" "f1f35e15127acc24b269f8992d8ea8a1fb0fc0daf070dacee040920d803c9c3c"`
[INFO] [stderr]    Compiling mulitplex_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `current_list`
[INFO] [stderr]    --> src/main.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn test(current_list:&[(u8,u8)])->usize{
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_current_list`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_matrix`
[INFO] [stderr]    --> src/main.rs:111:1
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn print_matrix(matrix:Vec<Vec<(u8,u8)>>){
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_next_list`
[INFO] [stderr]    --> src/main.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn get_next_list(current_list:&Vec<Vec<(u8,u8)>>)->Vec<(u8,u8)>{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]    --> src/main.rs:149:1
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn test(current_list:&[(u8,u8)])->usize{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "f1f35e15127acc24b269f8992d8ea8a1fb0fc0daf070dacee040920d803c9c3c"`
[INFO] running `"docker" "rm" "-f" "f1f35e15127acc24b269f8992d8ea8a1fb0fc0daf070dacee040920d803c9c3c"`
[INFO] [stdout] f1f35e15127acc24b269f8992d8ea8a1fb0fc0daf070dacee040920d803c9c3c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] a5da924d962b916ef57a1011bfb80c70ac6ed86de04856c411b6f22ec6eb0352
[INFO] running `"docker" "start" "-a" "a5da924d962b916ef57a1011bfb80c70ac6ed86de04856c411b6f22ec6eb0352"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mulitplex_1-b09842ae751a44fa
[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" "a5da924d962b916ef57a1011bfb80c70ac6ed86de04856c411b6f22ec6eb0352"`
[INFO] running `"docker" "rm" "-f" "a5da924d962b916ef57a1011bfb80c70ac6ed86de04856c411b6f22ec6eb0352"`
[INFO] [stdout] a5da924d962b916ef57a1011bfb80c70ac6ed86de04856c411b6f22ec6eb0352