[INFO] updating cached repository maxjoehnk/pi-system-logger
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maxjoehnk/pi-system-logger
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maxjoehnk/pi-system-logger" "work/ex/beta-1.38-1/sources/1.37.0/gh/maxjoehnk/pi-system-logger"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/maxjoehnk/pi-system-logger'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maxjoehnk/pi-system-logger" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maxjoehnk/pi-system-logger"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maxjoehnk/pi-system-logger'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 94ca43bdba3ea46c2537c5938f06c28dc6df266e
[INFO] sha for GitHub repo maxjoehnk/pi-system-logger: 94ca43bdba3ea46c2537c5938f06c28dc6df266e
[INFO] validating manifest of maxjoehnk/pi-system-logger on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maxjoehnk/pi-system-logger on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maxjoehnk/pi-system-logger
[INFO] finished frobbing maxjoehnk/pi-system-logger
[INFO] frobbed toml for maxjoehnk/pi-system-logger written to work/ex/beta-1.38-1/sources/1.37.0/gh/maxjoehnk/pi-system-logger/Cargo.toml
[INFO] started frobbing maxjoehnk/pi-system-logger
[INFO] finished frobbing maxjoehnk/pi-system-logger
[INFO] frobbed toml for maxjoehnk/pi-system-logger written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maxjoehnk/pi-system-logger/Cargo.toml
[INFO] crate maxjoehnk/pi-system-logger already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing maxjoehnk/pi-system-logger against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/maxjoehnk/pi-system-logger:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c654ee812329f1c5dad756a31d3e8d0af43b9ab97a316588902a87cd997088bc
[INFO] running `"docker" "start" "-a" "c654ee812329f1c5dad756a31d3e8d0af43b9ab97a316588902a87cd997088bc"`
[INFO] [stderr]    Compiling strum v0.10.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling strum_macros v0.10.0
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling influent v0.4.1
[INFO] [stderr]    Compiling pi-system-logging v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `err_msg`
[INFO] [stderr]  --> src/voltage.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use failure::{Error, err_msg};
[INFO] [stderr]   |                      ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.28s
[INFO] running `"docker" "inspect" "c654ee812329f1c5dad756a31d3e8d0af43b9ab97a316588902a87cd997088bc"`
[INFO] running `"docker" "rm" "-f" "c654ee812329f1c5dad756a31d3e8d0af43b9ab97a316588902a87cd997088bc"`
[INFO] [stdout] c654ee812329f1c5dad756a31d3e8d0af43b9ab97a316588902a87cd997088bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/maxjoehnk/pi-system-logger:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7947635fd80b09d1d1409b4108117e135c688469580d175523fe1002fee43c81
[INFO] running `"docker" "start" "-a" "7947635fd80b09d1d1409b4108117e135c688469580d175523fe1002fee43c81"`
[INFO] [stderr]    Compiling pi-system-logging v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `err_msg`
[INFO] [stderr]  --> src/voltage.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use failure::{Error, err_msg};
[INFO] [stderr]   |                      ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "7947635fd80b09d1d1409b4108117e135c688469580d175523fe1002fee43c81"`
[INFO] running `"docker" "rm" "-f" "7947635fd80b09d1d1409b4108117e135c688469580d175523fe1002fee43c81"`
[INFO] [stdout] 7947635fd80b09d1d1409b4108117e135c688469580d175523fe1002fee43c81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/maxjoehnk/pi-system-logger:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 110db84b8de87a653917635c245c24e5160104ab13fa73fafd41473b8654f28b
[INFO] running `"docker" "start" "-a" "110db84b8de87a653917635c245c24e5160104ab13fa73fafd41473b8654f28b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pi_system_logging-07afda6220a1da13
[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 `"docker" "inspect" "110db84b8de87a653917635c245c24e5160104ab13fa73fafd41473b8654f28b"`
[INFO] running `"docker" "rm" "-f" "110db84b8de87a653917635c245c24e5160104ab13fa73fafd41473b8654f28b"`
[INFO] [stdout] 110db84b8de87a653917635c245c24e5160104ab13fa73fafd41473b8654f28b