[INFO] updating cached repository SpeziMM/hello-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/SpeziMM/hello-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/SpeziMM/hello-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/SpeziMM/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/SpeziMM/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/SpeziMM/hello-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/SpeziMM/hello-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/SpeziMM/hello-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62e18004b5a541f1f392b98f8359b90f6d16e829
[INFO] sha for GitHub repo SpeziMM/hello-rust: 62e18004b5a541f1f392b98f8359b90f6d16e829
[INFO] validating manifest of SpeziMM/hello-rust 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 SpeziMM/hello-rust 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 SpeziMM/hello-rust
[INFO] finished frobbing SpeziMM/hello-rust
[INFO] frobbed toml for SpeziMM/hello-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/SpeziMM/hello-rust/Cargo.toml
[INFO] started frobbing SpeziMM/hello-rust
[INFO] finished frobbing SpeziMM/hello-rust
[INFO] frobbed toml for SpeziMM/hello-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/SpeziMM/hello-rust/Cargo.toml
[INFO] crate SpeziMM/hello-rust 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 SpeziMM/hello-rust 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-0/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/SpeziMM/hello-rust:/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] 3b984b7e2705f567e39cfde0252959a5cb159ccc2682f005289e8e06d44132bf
[INFO] running `"docker" "start" "-a" "3b984b7e2705f567e39cfde0252959a5cb159ccc2682f005289e8e06d44132bf"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Rechnen`
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Rechnen {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `Multi`
[INFO] [stderr]   --> src/main.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn Multi(&self)-> f64{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `adi`
[INFO] [stderr]   --> src/main.rs:16:2
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn adi(&self)-> f64{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sub`
[INFO] [stderr]   --> src/main.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn sub(&self)-> f64{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `div`
[INFO] [stderr]   --> src/main.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn div(&self)-> f64{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `Multi` should have a snake case name
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn Multi(&self)-> f64{
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to snake case: `multi`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "3b984b7e2705f567e39cfde0252959a5cb159ccc2682f005289e8e06d44132bf"`
[INFO] running `"docker" "rm" "-f" "3b984b7e2705f567e39cfde0252959a5cb159ccc2682f005289e8e06d44132bf"`
[INFO] [stdout] 3b984b7e2705f567e39cfde0252959a5cb159ccc2682f005289e8e06d44132bf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/SpeziMM/hello-rust:/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] 4bcaf8b922f2a39b36267affe2c0c8f6e9cc7a62c4726e2fdca81cdf6ed98a60
[INFO] running `"docker" "start" "-a" "4bcaf8b922f2a39b36267affe2c0c8f6e9cc7a62c4726e2fdca81cdf6ed98a60"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Rechnen`
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Rechnen {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `Multi`
[INFO] [stderr]   --> src/main.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn Multi(&self)-> f64{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `adi`
[INFO] [stderr]   --> src/main.rs:16:2
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn adi(&self)-> f64{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sub`
[INFO] [stderr]   --> src/main.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn sub(&self)-> f64{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `div`
[INFO] [stderr]   --> src/main.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn div(&self)-> f64{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `Multi` should have a snake case name
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn Multi(&self)-> f64{
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to snake case: `multi`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "4bcaf8b922f2a39b36267affe2c0c8f6e9cc7a62c4726e2fdca81cdf6ed98a60"`
[INFO] running `"docker" "rm" "-f" "4bcaf8b922f2a39b36267affe2c0c8f6e9cc7a62c4726e2fdca81cdf6ed98a60"`
[INFO] [stdout] 4bcaf8b922f2a39b36267affe2c0c8f6e9cc7a62c4726e2fdca81cdf6ed98a60
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/SpeziMM/hello-rust:/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] f3a61db0fb9bf21d4e1d2b52d3bb4af32aadee629b706b03d9f067acd9f5fa25
[INFO] running `"docker" "start" "-a" "f3a61db0fb9bf21d4e1d2b52d3bb4af32aadee629b706b03d9f067acd9f5fa25"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello-da53561ef832630e
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f3a61db0fb9bf21d4e1d2b52d3bb4af32aadee629b706b03d9f067acd9f5fa25"`
[INFO] running `"docker" "rm" "-f" "f3a61db0fb9bf21d4e1d2b52d3bb4af32aadee629b706b03d9f067acd9f5fa25"`
[INFO] [stdout] f3a61db0fb9bf21d4e1d2b52d3bb4af32aadee629b706b03d9f067acd9f5fa25