[INFO] updating cached repository https://github.com/colinkingswood/rust_experiment
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57ef0f51ffe5d94f845e576c04017becdc0acf23
[INFO] testing colinkingswood/rust_experiment against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinkingswood%2Frust_experiment" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colinkingswood/rust_experiment on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/colinkingswood/rust_experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b82c85e6b5b2397881d2a25745c3f0304fb6341e2b0260d733437283ca7ced15
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b82c85e6b5b2397881d2a25745c3f0304fb6341e2b0260d733437283ca7ced15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b82c85e6b5b2397881d2a25745c3f0304fb6341e2b0260d733437283ca7ced15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82c85e6b5b2397881d2a25745c3f0304fb6341e2b0260d733437283ca7ced15", kill_on_drop: false }`
[INFO] [stdout] b82c85e6b5b2397881d2a25745c3f0304fb6341e2b0260d733437283ca7ced15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27069d39eb235d75d5cfde60faebc81a3c82d971c44440c7624d1054b9c4b64f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "27069d39eb235d75d5cfde60faebc81a3c82d971c44440c7624d1054b9c4b64f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mulitplex_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `current_list`
[INFO] [stdout]    --> src/main.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn test(current_list:&[(u8,u8)])->usize{
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_list`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_matrix`
[INFO] [stdout]    --> src/main.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn print_matrix(matrix:Vec<Vec<(u8,u8)>>){
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_next_list`
[INFO] [stdout]    --> src/main.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn get_next_list(current_list:&Vec<Vec<(u8,u8)>>)->Vec<(u8,u8)>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn test(current_list:&[(u8,u8)])->usize{
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "27069d39eb235d75d5cfde60faebc81a3c82d971c44440c7624d1054b9c4b64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27069d39eb235d75d5cfde60faebc81a3c82d971c44440c7624d1054b9c4b64f", kill_on_drop: false }`
[INFO] [stdout] 27069d39eb235d75d5cfde60faebc81a3c82d971c44440c7624d1054b9c4b64f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 326a051a3b395fae04ec75cefe1a5f32e0c17e3dc26ac9e50f65fd961769a52a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "326a051a3b395fae04ec75cefe1a5f32e0c17e3dc26ac9e50f65fd961769a52a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mulitplex_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `current_list`
[INFO] [stdout]    --> src/main.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn test(current_list:&[(u8,u8)])->usize{
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_list`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_matrix`
[INFO] [stdout]    --> src/main.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn print_matrix(matrix:Vec<Vec<(u8,u8)>>){
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_next_list`
[INFO] [stdout]    --> src/main.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn get_next_list(current_list:&Vec<Vec<(u8,u8)>>)->Vec<(u8,u8)>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn test(current_list:&[(u8,u8)])->usize{
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "326a051a3b395fae04ec75cefe1a5f32e0c17e3dc26ac9e50f65fd961769a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326a051a3b395fae04ec75cefe1a5f32e0c17e3dc26ac9e50f65fd961769a52a", kill_on_drop: false }`
[INFO] [stdout] 326a051a3b395fae04ec75cefe1a5f32e0c17e3dc26ac9e50f65fd961769a52a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 957b0a82c9065f803aba789571059fde9831b8de14bd8cc28d7710b92c107c6e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "957b0a82c9065f803aba789571059fde9831b8de14bd8cc28d7710b92c107c6e", kill_on_drop: false }`
[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: if this is intentional, prefix it 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:111:4
[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:135:4
[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:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn test(current_list:&[(u8,u8)])->usize{
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mulitplex_1-600677948a8e409a
[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 `Command { std: "docker" "inspect" "957b0a82c9065f803aba789571059fde9831b8de14bd8cc28d7710b92c107c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957b0a82c9065f803aba789571059fde9831b8de14bd8cc28d7710b92c107c6e", kill_on_drop: false }`
[INFO] [stdout] 957b0a82c9065f803aba789571059fde9831b8de14bd8cc28d7710b92c107c6e