[INFO] crate rex-ucph 0.1.3 is already in cache
[INFO] testing rex-ucph-0.1.3 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate rex-ucph 0.1.3 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate rex-ucph 0.1.3 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rex-ucph 0.1.3
[INFO] finished tweaking crates.io crate rex-ucph 0.1.3
[INFO] tweaked toml for crates.io crate rex-ucph 0.1.3 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 166a279cadd159394c2c48efb13d061a256ce3d10c0819324faa32891919d973
[INFO] running `"docker" "start" "-a" "166a279cadd159394c2c48efb13d061a256ce3d10c0819324faa32891919d973"`
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling rex-ucph v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/lib.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io::{Write, Read};
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `"docker" "inspect" "166a279cadd159394c2c48efb13d061a256ce3d10c0819324faa32891919d973"`
[INFO] running `"docker" "rm" "-f" "166a279cadd159394c2c48efb13d061a256ce3d10c0819324faa32891919d973"`
[INFO] [stdout] 166a279cadd159394c2c48efb13d061a256ce3d10c0819324faa32891919d973
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8fb4dee1d7f6cadc872ece8b085e49bb16177d1b7fda87730ab65ed50885e8c8
[INFO] running `"docker" "start" "-a" "8fb4dee1d7f6cadc872ece8b085e49bb16177d1b7fda87730ab65ed50885e8c8"`
[INFO] [stderr]    Compiling rex-ucph v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/lib.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io::{Write, Read};
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "8fb4dee1d7f6cadc872ece8b085e49bb16177d1b7fda87730ab65ed50885e8c8"`
[INFO] running `"docker" "rm" "-f" "8fb4dee1d7f6cadc872ece8b085e49bb16177d1b7fda87730ab65ed50885e8c8"`
[INFO] [stdout] 8fb4dee1d7f6cadc872ece8b085e49bb16177d1b7fda87730ab65ed50885e8c8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 34bbf503ca48dc0e5a802a2e9c2218f23955bfa1045859f7f98d9e5f419c5d4c
[INFO] running `"docker" "start" "-a" "34bbf503ca48dc0e5a802a2e9c2218f23955bfa1045859f7f98d9e5f419c5d4c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rex_ucph-4c954918579a4d27
[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] [stderr]    Doc-tests rex-ucph
[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" "34bbf503ca48dc0e5a802a2e9c2218f23955bfa1045859f7f98d9e5f419c5d4c"`
[INFO] running `"docker" "rm" "-f" "34bbf503ca48dc0e5a802a2e9c2218f23955bfa1045859f7f98d9e5f419c5d4c"`
[INFO] [stdout] 34bbf503ca48dc0e5a802a2e9c2218f23955bfa1045859f7f98d9e5f419c5d4c