[INFO] cloning repository https://github.com/musicandelectronics/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/musicandelectronics/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmusicandelectronics%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmusicandelectronics%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d0cfce0be8afb79515398397da506b3bcfa5601
[INFO] testing musicandelectronics/rust_practice against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmusicandelectronics%2Frust_practice" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/musicandelectronics/rust_practice on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/musicandelectronics/rust_practice
[INFO] finished tweaking git repo https://github.com/musicandelectronics/rust_practice
[INFO] tweaked toml for git repo https://github.com/musicandelectronics/rust_practice written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/musicandelectronics/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b571f1d83ea6cef2580af382fbe436c03eb37ec5d4f97716fd86b87e46e6fb95
[INFO] running `Command { std: "docker" "start" "-a" "b571f1d83ea6cef2580af382fbe436c03eb37ec5d4f97716fd86b87e46e6fb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b571f1d83ea6cef2580af382fbe436c03eb37ec5d4f97716fd86b87e46e6fb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b571f1d83ea6cef2580af382fbe436c03eb37ec5d4f97716fd86b87e46e6fb95", kill_on_drop: false }`
[INFO] [stdout] b571f1d83ea6cef2580af382fbe436c03eb37ec5d4f97716fd86b87e46e6fb95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cd2a44d3eabf4399333e77af87504d16e4615798f170f5267a08d7c9cf69938
[INFO] running `Command { std: "docker" "start" "-a" "9cd2a44d3eabf4399333e77af87504d16e4615798f170f5267a08d7c9cf69938", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling controls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]  --> src/complexprac.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |   fn new (R: i32, I: i32) -> Complex
[INFO] [stdout]   |           ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]  --> src/complexprac.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |   fn new (R: i32, I: i32) -> Complex
[INFO] [stdout]   |                   ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "9cd2a44d3eabf4399333e77af87504d16e4615798f170f5267a08d7c9cf69938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd2a44d3eabf4399333e77af87504d16e4615798f170f5267a08d7c9cf69938", kill_on_drop: false }`
[INFO] [stdout] 9cd2a44d3eabf4399333e77af87504d16e4615798f170f5267a08d7c9cf69938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63761eb93731c39d24e6a27c4d863e7022e581ab8f5099b92e506f5aca9278f8
[INFO] running `Command { std: "docker" "start" "-a" "63761eb93731c39d24e6a27c4d863e7022e581ab8f5099b92e506f5aca9278f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling controls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]  --> src/complexprac.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |   fn new (R: i32, I: i32) -> Complex
[INFO] [stdout]   |           ^ help: convert the identifier to snake case: `r`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `I` should have a snake case name
[INFO] [stdout]  --> src/complexprac.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |   fn new (R: i32, I: i32) -> Complex
[INFO] [stdout]   |                   ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "63761eb93731c39d24e6a27c4d863e7022e581ab8f5099b92e506f5aca9278f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63761eb93731c39d24e6a27c4d863e7022e581ab8f5099b92e506f5aca9278f8", kill_on_drop: false }`
[INFO] [stdout] 63761eb93731c39d24e6a27c4d863e7022e581ab8f5099b92e506f5aca9278f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01cc2744c352f48989e450f9c80d42f79ed41125b6b8228a8b3b35e8747f8aea
[INFO] running `Command { std: "docker" "start" "-a" "01cc2744c352f48989e450f9c80d42f79ed41125b6b8228a8b3b35e8747f8aea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable `R` should have a snake case name
[INFO] [stderr]  --> src/complexprac.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 |   fn new (R: i32, I: i32) -> Complex
[INFO] [stderr]   |           ^ help: convert the identifier to snake case: `r`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `I` should have a snake case name
[INFO] [stderr]  --> src/complexprac.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |   fn new (R: i32, I: i32) -> Complex
[INFO] [stderr]   |                   ^ help: convert the identifier to snake case (notice the capitalization): `i`
[INFO] [stderr] 
[INFO] [stderr] warning: `controls` (bin "controls" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/controls-05ae81d8be7d2d43)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01cc2744c352f48989e450f9c80d42f79ed41125b6b8228a8b3b35e8747f8aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01cc2744c352f48989e450f9c80d42f79ed41125b6b8228a8b3b35e8747f8aea", kill_on_drop: false }`
[INFO] [stdout] 01cc2744c352f48989e450f9c80d42f79ed41125b6b8228a8b3b35e8747f8aea