[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-1.37-6/sources/1.36.0/gh/maxjoehnk/pi-system-logger"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/maxjoehnk/pi-system-logger'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maxjoehnk/pi-system-logger" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/maxjoehnk/pi-system-logger"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maxjoehnk/pi-system-logger on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing maxjoehnk/pi-system-logger against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a21eef5ba837e8c56d30d0422e39c1a608e31462f4d328c0af4c2212c8d95f69
[INFO] running `"docker" "start" "-a" "a21eef5ba837e8c56d30d0422e39c1a608e31462f4d328c0af4c2212c8d95f69"`
[INFO] [stderr]    Compiling strum v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling influent v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling strum_macros v0.10.0
[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 37.76s
[INFO] running `"docker" "inspect" "a21eef5ba837e8c56d30d0422e39c1a608e31462f4d328c0af4c2212c8d95f69"`
[INFO] running `"docker" "rm" "-f" "a21eef5ba837e8c56d30d0422e39c1a608e31462f4d328c0af4c2212c8d95f69"`
[INFO] [stdout] a21eef5ba837e8c56d30d0422e39c1a608e31462f4d328c0af4c2212c8d95f69
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 03cb7a53c284ca8572d915f98e8d9330382e407519977983f7335d3a2d7a6b5b
[INFO] running `"docker" "start" "-a" "03cb7a53c284ca8572d915f98e8d9330382e407519977983f7335d3a2d7a6b5b"`
[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 1.15s
[INFO] running `"docker" "inspect" "03cb7a53c284ca8572d915f98e8d9330382e407519977983f7335d3a2d7a6b5b"`
[INFO] running `"docker" "rm" "-f" "03cb7a53c284ca8572d915f98e8d9330382e407519977983f7335d3a2d7a6b5b"`
[INFO] [stdout] 03cb7a53c284ca8572d915f98e8d9330382e407519977983f7335d3a2d7a6b5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b176c4994672b80ab89994bfdf2008fef495b2c9d3dde46e8839750e51fae42f
[INFO] running `"docker" "start" "-a" "b176c4994672b80ab89994bfdf2008fef495b2c9d3dde46e8839750e51fae42f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pi_system_logging-4aba8bd7c24bedf8
[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" "b176c4994672b80ab89994bfdf2008fef495b2c9d3dde46e8839750e51fae42f"`
[INFO] running `"docker" "rm" "-f" "b176c4994672b80ab89994bfdf2008fef495b2c9d3dde46e8839750e51fae42f"`
[INFO] [stdout] b176c4994672b80ab89994bfdf2008fef495b2c9d3dde46e8839750e51fae42f