[INFO] cloning repository https://github.com/maxjoehnk/pi-system-logger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxjoehnk/pi-system-logger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjoehnk%2Fpi-system-logger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjoehnk%2Fpi-system-logger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94ca43bdba3ea46c2537c5938f06c28dc6df266e
[INFO] checking maxjoehnk/pi-system-logger against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjoehnk%2Fpi-system-logger" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxjoehnk/pi-system-logger on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxjoehnk/pi-system-logger
[INFO] finished tweaking git repo https://github.com/maxjoehnk/pi-system-logger
[INFO] tweaked toml for git repo https://github.com/maxjoehnk/pi-system-logger written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maxjoehnk/pi-system-logger already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.8
[INFO] [stderr]   Downloaded strum_macros v0.10.0
[INFO] [stderr]   Downloaded syn v0.14.4
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[INFO] [stderr]   Downloaded influent v0.4.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c2a19c85896e87b1f96838ac9056f28d0651690714e9b7279a03a2731e9cce9
[INFO] running `Command { std: "docker" "start" "-a" "5c2a19c85896e87b1f96838ac9056f28d0651690714e9b7279a03a2731e9cce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c2a19c85896e87b1f96838ac9056f28d0651690714e9b7279a03a2731e9cce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2a19c85896e87b1f96838ac9056f28d0651690714e9b7279a03a2731e9cce9", kill_on_drop: false }`
[INFO] [stdout] 5c2a19c85896e87b1f96838ac9056f28d0651690714e9b7279a03a2731e9cce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f2cff1e95b2ddd18d7ae38ac32efbaef61f1a6221f374d702c5bba52d4ebb9e
[INFO] running `Command { std: "docker" "start" "-a" "6f2cff1e95b2ddd18d7ae38ac32efbaef61f1a6221f374d702c5bba52d4ebb9e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
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[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]     Checking lazy_static v1.0.2
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[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling syn v0.11.11
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[INFO] [stderr]     Checking regex-syntax v0.6.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
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[INFO] [stderr]    Compiling unicase v1.4.2
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[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling strum_macros v0.10.0
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking influent v0.4.1
[INFO] [stderr]     Checking pi-system-logging v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `err_msg`
[INFO] [stdout]  --> src/voltage.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use failure::{Error, err_msg};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `err_msg`
[INFO] [stdout]  --> src/voltage.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use failure::{Error, err_msg};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/clock_frequency.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ClockFrequency(i32);
[INFO] [stdout]   |            -------------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ClockFrequency` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ClockFrequency(());
[INFO] [stdout]   |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/temperature.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Temperature(f32);
[INFO] [stdout]   |            ----------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Temperature` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Temperature(());
[INFO] [stdout]   |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/voltage.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Voltage(f32);
[INFO] [stdout]   |            ------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Voltage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Voltage(());
[INFO] [stdout]   |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/clock_frequency.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ClockFrequency(i32);
[INFO] [stdout]   |            -------------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ClockFrequency` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ClockFrequency(());
[INFO] [stdout]   |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/temperature.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Temperature(f32);
[INFO] [stdout]   |            ----------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Temperature` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Temperature(());
[INFO] [stdout]   |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/voltage.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Voltage(f32);
[INFO] [stdout]   |            ------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Voltage` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Voltage(());
[INFO] [stdout]   |                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "6f2cff1e95b2ddd18d7ae38ac32efbaef61f1a6221f374d702c5bba52d4ebb9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2cff1e95b2ddd18d7ae38ac32efbaef61f1a6221f374d702c5bba52d4ebb9e", kill_on_drop: false }`
[INFO] [stdout] 6f2cff1e95b2ddd18d7ae38ac32efbaef61f1a6221f374d702c5bba52d4ebb9e
