[INFO] updating cached repository dericgf92/rust_bluetooth_server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dericgf92/rust_bluetooth_server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dericgf92/rust_bluetooth_server" "work/ex/beta-1.37-6/sources/1.36.0/gh/dericgf92/rust_bluetooth_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dericgf92/rust_bluetooth_server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dericgf92/rust_bluetooth_server" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dericgf92/rust_bluetooth_server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dericgf92/rust_bluetooth_server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 020801df27ae64dcd6772a278e62678dc2de731b
[INFO] sha for GitHub repo dericgf92/rust_bluetooth_server: 020801df27ae64dcd6772a278e62678dc2de731b
[INFO] validating manifest of dericgf92/rust_bluetooth_server 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 dericgf92/rust_bluetooth_server 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 dericgf92/rust_bluetooth_server
[INFO] finished frobbing dericgf92/rust_bluetooth_server
[INFO] frobbed toml for dericgf92/rust_bluetooth_server written to work/ex/beta-1.37-6/sources/1.36.0/gh/dericgf92/rust_bluetooth_server/Cargo.toml
[INFO] started frobbing dericgf92/rust_bluetooth_server
[INFO] finished frobbing dericgf92/rust_bluetooth_server
[INFO] frobbed toml for dericgf92/rust_bluetooth_server written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dericgf92/rust_bluetooth_server/Cargo.toml
[INFO] crate dericgf92/rust_bluetooth_server 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] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/dericgf92/rust_bluetooth_server/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing dericgf92/rust_bluetooth_server against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dericgf92/rust_bluetooth_server:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b876cdc1cc96b0758a3700b41af98348ea848fbc14e49ca886108c90a8e503f2
[INFO] running `"docker" "start" "-a" "b876cdc1cc96b0758a3700b41af98348ea848fbc14e49ca886108c90a8e503f2"`
[INFO] [stderr]    Compiling termios v0.0.5
[INFO] [stderr]    Compiling serial v0.0.5
[INFO] [stderr]    Compiling ser_test v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `"docker" "inspect" "b876cdc1cc96b0758a3700b41af98348ea848fbc14e49ca886108c90a8e503f2"`
[INFO] running `"docker" "rm" "-f" "b876cdc1cc96b0758a3700b41af98348ea848fbc14e49ca886108c90a8e503f2"`
[INFO] [stdout] b876cdc1cc96b0758a3700b41af98348ea848fbc14e49ca886108c90a8e503f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dericgf92/rust_bluetooth_server:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] e8ca49688c65ec9719f9a6a8e0ba447fb2486dcd1d2649f1ab19cb1804bae996
[INFO] running `"docker" "start" "-a" "e8ca49688c65ec9719f9a6a8e0ba447fb2486dcd1d2649f1ab19cb1804bae996"`
[INFO] [stderr]    Compiling ser_test v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "e8ca49688c65ec9719f9a6a8e0ba447fb2486dcd1d2649f1ab19cb1804bae996"`
[INFO] running `"docker" "rm" "-f" "e8ca49688c65ec9719f9a6a8e0ba447fb2486dcd1d2649f1ab19cb1804bae996"`
[INFO] [stdout] e8ca49688c65ec9719f9a6a8e0ba447fb2486dcd1d2649f1ab19cb1804bae996
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dericgf92/rust_bluetooth_server:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 665bf39db065cfd627d4622f0edd1192ff20141e68134e8add9f7b34c7968f09
[INFO] running `"docker" "start" "-a" "665bf39db065cfd627d4622f0edd1192ff20141e68134e8add9f7b34c7968f09"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ser_test-a4391eb47f1dd025
[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" "665bf39db065cfd627d4622f0edd1192ff20141e68134e8add9f7b34c7968f09"`
[INFO] running `"docker" "rm" "-f" "665bf39db065cfd627d4622f0edd1192ff20141e68134e8add9f7b34c7968f09"`
[INFO] [stdout] 665bf39db065cfd627d4622f0edd1192ff20141e68134e8add9f7b34c7968f09