[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmusicandelectronics%2Frust_practice" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/musicandelectronics/rust_practice on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-19/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c7dfa6c1ec73cea7bb8b75ad66bd03ce627befe1570838b8cfd1ddbc8215e92
[INFO] running `Command { std: "docker" "start" "-a" "3c7dfa6c1ec73cea7bb8b75ad66bd03ce627befe1570838b8cfd1ddbc8215e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c7dfa6c1ec73cea7bb8b75ad66bd03ce627befe1570838b8cfd1ddbc8215e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c7dfa6c1ec73cea7bb8b75ad66bd03ce627befe1570838b8cfd1ddbc8215e92", kill_on_drop: false }`
[INFO] [stdout] 3c7dfa6c1ec73cea7bb8b75ad66bd03ce627befe1570838b8cfd1ddbc8215e92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72229d39f037bc2aaa7b8523d431ec8238e2abfa0d4c473bc8d25dc8b4399f49
[INFO] running `Command { std: "docker" "start" "-a" "72229d39f037bc2aaa7b8523d431ec8238e2abfa0d4c473bc8d25dc8b4399f49", 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 dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "72229d39f037bc2aaa7b8523d431ec8238e2abfa0d4c473bc8d25dc8b4399f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72229d39f037bc2aaa7b8523d431ec8238e2abfa0d4c473bc8d25dc8b4399f49", kill_on_drop: false }`
[INFO] [stdout] 72229d39f037bc2aaa7b8523d431ec8238e2abfa0d4c473bc8d25dc8b4399f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55cbea060758895ed0ddbfd491717129eb0ba64e85e37bbfa033130f760b777f
[INFO] running `Command { std: "docker" "start" "-a" "55cbea060758895ed0ddbfd491717129eb0ba64e85e37bbfa033130f760b777f", 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 0.34s
[INFO] running `Command { std: "docker" "inspect" "55cbea060758895ed0ddbfd491717129eb0ba64e85e37bbfa033130f760b777f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55cbea060758895ed0ddbfd491717129eb0ba64e85e37bbfa033130f760b777f", kill_on_drop: false }`
[INFO] [stdout] 55cbea060758895ed0ddbfd491717129eb0ba64e85e37bbfa033130f760b777f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9633f7ad55ac4d4b4626ace7dc63546e68429be98375d52fe30269c2e6680389
[INFO] running `Command { std: "docker" "start" "-a" "9633f7ad55ac4d4b4626ace7dc63546e68429be98375d52fe30269c2e6680389", 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 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/controls-6eecc3f7f047832f)
[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" "9633f7ad55ac4d4b4626ace7dc63546e68429be98375d52fe30269c2e6680389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9633f7ad55ac4d4b4626ace7dc63546e68429be98375d52fe30269c2e6680389", kill_on_drop: false }`
[INFO] [stdout] 9633f7ad55ac4d4b4626ace7dc63546e68429be98375d52fe30269c2e6680389