[INFO] cloning repository https://github.com/brhoades/ddc-flux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brhoades/ddc-flux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrhoades%2Fddc-flux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrhoades%2Fddc-flux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06745a3d215af4f5dd80461e3bd7c63d8a9a6ecc
[INFO] checking brhoades/ddc-flux against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrhoades%2Fddc-flux" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brhoades/ddc-flux on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brhoades/ddc-flux
[INFO] finished tweaking git repo https://github.com/brhoades/ddc-flux
[INFO] tweaked toml for git repo https://github.com/brhoades/ddc-flux written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/brhoades/ddc-flux already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ddc-i2c v0.2.1
[INFO] [stderr]   Downloaded i2c-linux-sys v0.2.0
[INFO] [stderr]   Downloaded ddc v0.2.2
[INFO] [stderr]   Downloaded mccs v0.1.0
[INFO] [stderr]   Downloaded i2c-linux v0.1.2
[INFO] [stderr]   Downloaded env_logger v0.8.1
[INFO] [stderr]   Downloaded mio v0.7.5
[INFO] [stderr]   Downloaded udev v0.2.0
[INFO] [stderr]   Downloaded tokio v0.3.2
[INFO] [stderr]   Downloaded i2c v0.1.0
[INFO] [stderr]   Downloaded resize-slice v0.1.3
[INFO] [stderr]   Downloaded uninitialized v0.0.2
[INFO] [stderr]   Downloaded sun-times v0.1.2
[INFO] [stderr]   Downloaded nix v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80639de38029234c50b514bf1d1a3818a2e0a79775b7745e2300193c60c5a1c0
[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" "80639de38029234c50b514bf1d1a3818a2e0a79775b7745e2300193c60c5a1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80639de38029234c50b514bf1d1a3818a2e0a79775b7745e2300193c60c5a1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80639de38029234c50b514bf1d1a3818a2e0a79775b7745e2300193c60c5a1c0", kill_on_drop: false }`
[INFO] [stdout] 80639de38029234c50b514bf1d1a3818a2e0a79775b7745e2300193c60c5a1c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89054ca9462d1ad821f6b18a8448be73bbb53f95cc71d2c71cabec4cb29027cf
[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" "89054ca9462d1ad821f6b18a8448be73bbb53f95cc71d2c71cabec4cb29027cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking mccs v0.1.0
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking ddc v0.2.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking i2c-linux-sys v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.5
[INFO] [stderr]     Checking nix v0.19.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking udev v0.2.0
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking ddc-i2c v0.2.1
[INFO] [stderr]     Checking sun-times v0.1.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking tokio v0.3.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking dlux v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]    --> src/lib/config.rs:232:21
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 let opts: Opts = serde_yaml::from_reader(std::fs::File::open(file)?)?;
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opts`
[INFO] [stdout]    --> src/lib/config.rs:232:21
[INFO] [stdout]     |
[INFO] [stdout] 232 |                 let opts: Opts = serde_yaml::from_reader(std::fs::File::open(file)?)?;
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_opts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cfg_file`
[INFO] [stdout]   --> src/lib/config.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn cfg_file() -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cfg_file`
[INFO] [stdout]   --> src/lib/config.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn cfg_file() -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "89054ca9462d1ad821f6b18a8448be73bbb53f95cc71d2c71cabec4cb29027cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89054ca9462d1ad821f6b18a8448be73bbb53f95cc71d2c71cabec4cb29027cf", kill_on_drop: false }`
[INFO] [stdout] 89054ca9462d1ad821f6b18a8448be73bbb53f95cc71d2c71cabec4cb29027cf