[INFO] cloning repository colinkingswood/rust_experiment
[INFO] running `"git" "clone" "--bare" "git://github.com/colinkingswood/rust_experiment.git" "work/cache/sources/gh/colinkingswood/rust_experiment"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/colinkingswood/rust_experiment'...
[INFO] running `"git" "clone" "work/cache/sources/gh/colinkingswood/rust_experiment" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/colinkingswood/rust_experiment"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/colinkingswood/rust_experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/colinkingswood/rust_experiment" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/colinkingswood/rust_experiment"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/colinkingswood/rust_experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57ef0f51ffe5d94f845e576c04017becdc0acf23
[INFO] sha for GitHub repo colinkingswood/rust_experiment: 57ef0f51ffe5d94f845e576c04017becdc0acf23
[INFO] validating manifest of colinkingswood/rust_experiment 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 colinkingswood/rust_experiment 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 colinkingswood/rust_experiment
[INFO] finished frobbing colinkingswood/rust_experiment
[INFO] frobbed toml for colinkingswood/rust_experiment written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/colinkingswood/rust_experiment/Cargo.toml
[INFO] started frobbing colinkingswood/rust_experiment
[INFO] finished frobbing colinkingswood/rust_experiment
[INFO] frobbed toml for colinkingswood/rust_experiment written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/colinkingswood/rust_experiment/Cargo.toml
[INFO] crate colinkingswood/rust_experiment 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 colinkingswood/rust_experiment against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/colinkingswood/rust_experiment:/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] f397dcd125d4fc1a1a1bb87eed14ddd029a4b68c6f279d08a65acbb36a645880
[INFO] running `"docker" "start" "-a" "f397dcd125d4fc1a1a1bb87eed14ddd029a4b68c6f279d08a65acbb36a645880"`
[INFO] [stderr]    Compiling mulitplex_1 v0.1.0 (/opt/crater/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 1.46s
[INFO] running `"docker" "inspect" "f397dcd125d4fc1a1a1bb87eed14ddd029a4b68c6f279d08a65acbb36a645880"`
[INFO] running `"docker" "rm" "-f" "f397dcd125d4fc1a1a1bb87eed14ddd029a4b68c6f279d08a65acbb36a645880"`
[INFO] [stdout] f397dcd125d4fc1a1a1bb87eed14ddd029a4b68c6f279d08a65acbb36a645880
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/colinkingswood/rust_experiment:/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] fa58bd21a51d05f3dab8f9f4a2a6a37f545b5bb17638ba0cc22bebd3b9722a3f
[INFO] running `"docker" "start" "-a" "fa58bd21a51d05f3dab8f9f4a2a6a37f545b5bb17638ba0cc22bebd3b9722a3f"`
[INFO] [stderr]    Compiling mulitplex_1 v0.1.0 (/opt/crater/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 0.95s
[INFO] running `"docker" "inspect" "fa58bd21a51d05f3dab8f9f4a2a6a37f545b5bb17638ba0cc22bebd3b9722a3f"`
[INFO] running `"docker" "rm" "-f" "fa58bd21a51d05f3dab8f9f4a2a6a37f545b5bb17638ba0cc22bebd3b9722a3f"`
[INFO] [stdout] fa58bd21a51d05f3dab8f9f4a2a6a37f545b5bb17638ba0cc22bebd3b9722a3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/colinkingswood/rust_experiment:/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] 99d6fee89ca757a5b66ff8376d988e47072ff5be8f06fec748aa9db1b8534b2c
[INFO] running `"docker" "start" "-a" "99d6fee89ca757a5b66ff8376d988e47072ff5be8f06fec748aa9db1b8534b2c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mulitplex_1-c85a581734ef2a0f
[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" "99d6fee89ca757a5b66ff8376d988e47072ff5be8f06fec748aa9db1b8534b2c"`
[INFO] running `"docker" "rm" "-f" "99d6fee89ca757a5b66ff8376d988e47072ff5be8f06fec748aa9db1b8534b2c"`
[INFO] [stdout] 99d6fee89ca757a5b66ff8376d988e47072ff5be8f06fec748aa9db1b8534b2c