[INFO] updating cached repository diodelass/Teamech-Embedded-Template
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/diodelass/Teamech-Embedded-Template
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/diodelass/Teamech-Embedded-Template" "work/ex/beta-1.37-6/sources/1.36.0/gh/diodelass/Teamech-Embedded-Template"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/diodelass/Teamech-Embedded-Template'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/diodelass/Teamech-Embedded-Template" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/diodelass/Teamech-Embedded-Template"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/diodelass/Teamech-Embedded-Template'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 302bd46d58c0bc0bf006d21a9e9c05dab8c956d3
[INFO] sha for GitHub repo diodelass/Teamech-Embedded-Template: 302bd46d58c0bc0bf006d21a9e9c05dab8c956d3
[INFO] validating manifest of diodelass/Teamech-Embedded-Template 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 diodelass/Teamech-Embedded-Template 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 diodelass/Teamech-Embedded-Template
[INFO] finished frobbing diodelass/Teamech-Embedded-Template
[INFO] frobbed toml for diodelass/Teamech-Embedded-Template written to work/ex/beta-1.37-6/sources/1.36.0/gh/diodelass/Teamech-Embedded-Template/Cargo.toml
[INFO] started frobbing diodelass/Teamech-Embedded-Template
[INFO] finished frobbing diodelass/Teamech-Embedded-Template
[INFO] frobbed toml for diodelass/Teamech-Embedded-Template written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/diodelass/Teamech-Embedded-Template/Cargo.toml
[INFO] crate diodelass/Teamech-Embedded-Template 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing diodelass/Teamech-Embedded-Template 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/diodelass/Teamech-Embedded-Template:/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] 46d7b4f7b72c0b5feeeb9522a01a2ac1e0899a1ca76362ddeae008a261bb726a
[INFO] running `"docker" "start" "-a" "46d7b4f7b72c0b5feeeb9522a01a2ac1e0899a1ca76362ddeae008a261bb726a"`
[INFO] [stderr]    Compiling teamech-embedded-template v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:456:14
[INFO] [stderr]     |
[INFO] [stderr] 456 |                                     let mut messagetext:String = String::from_utf8_lossy(&messagechars).to_string();
[INFO] [stderr]     |                                         ----^^^^^^^^^^^
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "46d7b4f7b72c0b5feeeb9522a01a2ac1e0899a1ca76362ddeae008a261bb726a"`
[INFO] running `"docker" "rm" "-f" "46d7b4f7b72c0b5feeeb9522a01a2ac1e0899a1ca76362ddeae008a261bb726a"`
[INFO] [stdout] 46d7b4f7b72c0b5feeeb9522a01a2ac1e0899a1ca76362ddeae008a261bb726a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/diodelass/Teamech-Embedded-Template:/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] acd2ef23373d433058c661bb54cfc4fa73a4776c23dc0d6a9a322024073e8c9b
[INFO] running `"docker" "start" "-a" "acd2ef23373d433058c661bb54cfc4fa73a4776c23dc0d6a9a322024073e8c9b"`
[INFO] [stderr]    Compiling teamech-embedded-template v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:456:14
[INFO] [stderr]     |
[INFO] [stderr] 456 |                                     let mut messagetext:String = String::from_utf8_lossy(&messagechars).to_string();
[INFO] [stderr]     |                                         ----^^^^^^^^^^^
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "acd2ef23373d433058c661bb54cfc4fa73a4776c23dc0d6a9a322024073e8c9b"`
[INFO] running `"docker" "rm" "-f" "acd2ef23373d433058c661bb54cfc4fa73a4776c23dc0d6a9a322024073e8c9b"`
[INFO] [stdout] acd2ef23373d433058c661bb54cfc4fa73a4776c23dc0d6a9a322024073e8c9b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/diodelass/Teamech-Embedded-Template:/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] b7b366f31162dfd16d52a6d16fee5be9e8428bdb2e8b7ab0ea5aa9c13a8dd208
[INFO] running `"docker" "start" "-a" "b7b366f31162dfd16d52a6d16fee5be9e8428bdb2e8b7ab0ea5aa9c13a8dd208"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/teamech_embedded_template-ba79dce7dcc29514
[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" "b7b366f31162dfd16d52a6d16fee5be9e8428bdb2e8b7ab0ea5aa9c13a8dd208"`
[INFO] running `"docker" "rm" "-f" "b7b366f31162dfd16d52a6d16fee5be9e8428bdb2e8b7ab0ea5aa9c13a8dd208"`
[INFO] [stdout] b7b366f31162dfd16d52a6d16fee5be9e8428bdb2e8b7ab0ea5aa9c13a8dd208