[INFO] updating cached repository alirux/rust_examples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alirux/rust_examples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alirux/rust_examples" "work/ex/beta-1.37-6/sources/1.36.0/gh/alirux/rust_examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/alirux/rust_examples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alirux/rust_examples" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alirux/rust_examples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alirux/rust_examples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cdf73e1f5682819925bff17ad5afce0ed12b8252
[INFO] sha for GitHub repo alirux/rust_examples: cdf73e1f5682819925bff17ad5afce0ed12b8252
[INFO] validating manifest of alirux/rust_examples 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 alirux/rust_examples 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 alirux/rust_examples
[INFO] finished frobbing alirux/rust_examples
[INFO] frobbed toml for alirux/rust_examples written to work/ex/beta-1.37-6/sources/1.36.0/gh/alirux/rust_examples/Cargo.toml
[INFO] started frobbing alirux/rust_examples
[INFO] finished frobbing alirux/rust_examples
[INFO] frobbed toml for alirux/rust_examples written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/alirux/rust_examples/Cargo.toml
[INFO] crate alirux/rust_examples 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 alirux/rust_examples 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-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/alirux/rust_examples:/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] 99f2d7d17d94b5945838b8f8437468ee2619677b6416af01551dc0de68e86ce3
[INFO] running `"docker" "start" "-a" "99f2d7d17d94b5945838b8f8437468ee2619677b6416af01551dc0de68e86ce3"`
[INFO] [stderr]    Compiling rust_examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `created_on`
[INFO] [stderr]   --> src/bin/structs.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         created_on: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `created_by`
[INFO] [stderr]   --> src/bin/structs.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         created_by: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `urgent`
[INFO] [stderr]   --> src/bin/structs.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         urgent: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `_enve1Copy` should have a snake case name
[INFO] [stderr]   --> src/bin/structs.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let _enve1Copy = Envelope {
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `_enve1_copy`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `INPROGRESS`
[INFO] [stderr]   --> src/bin/enum.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         INPROGRESS,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WORKED`
[INFO] [stderr]   --> src/bin/enum.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         WORKED(String),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `by`
[INFO] [stderr]   --> src/bin/enum.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |         STORED{ by: String, when: String },
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `when`
[INFO] [stderr]   --> src/bin/enum.rs:15:29
[INFO] [stderr]    |
[INFO] [stderr] 15 |         STORED{ by: String, when: String },
[INFO] [stderr]    |                             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "99f2d7d17d94b5945838b8f8437468ee2619677b6416af01551dc0de68e86ce3"`
[INFO] running `"docker" "rm" "-f" "99f2d7d17d94b5945838b8f8437468ee2619677b6416af01551dc0de68e86ce3"`
[INFO] [stdout] 99f2d7d17d94b5945838b8f8437468ee2619677b6416af01551dc0de68e86ce3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/alirux/rust_examples:/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] a43e8a750789d6a9b94ed2368c5b358656eaa42a5488ae45b47f7c0f5f9d60d8
[INFO] running `"docker" "start" "-a" "a43e8a750789d6a9b94ed2368c5b358656eaa42a5488ae45b47f7c0f5f9d60d8"`
[INFO] [stderr]    Compiling rust_examples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable `_enve1Copy` should have a snake case name
[INFO] [stderr]   --> src/bin/structs.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let _enve1Copy = Envelope {
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `_enve1_copy`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "a43e8a750789d6a9b94ed2368c5b358656eaa42a5488ae45b47f7c0f5f9d60d8"`
[INFO] running `"docker" "rm" "-f" "a43e8a750789d6a9b94ed2368c5b358656eaa42a5488ae45b47f7c0f5f9d60d8"`
[INFO] [stdout] a43e8a750789d6a9b94ed2368c5b358656eaa42a5488ae45b47f7c0f5f9d60d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/alirux/rust_examples:/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] e5eb866dadaf75a8b5bd5e0e4c73c9c9ebaa5a349d63584cf814d2d89c6f39d9
[INFO] running `"docker" "start" "-a" "e5eb866dadaf75a8b5bd5e0e4c73c9c9ebaa5a349d63584cf814d2d89c6f39d9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/enum-fbaa9808898a2637
[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]      Running /opt/crater/target/debug/deps/open-442f77e277a1e672
[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]      Running /opt/crater/target/debug/deps/rust_examples-43ff2eee0a7545d0
[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]      Running /opt/crater/target/debug/deps/structs-48f49522fa2e401b
[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" "e5eb866dadaf75a8b5bd5e0e4c73c9c9ebaa5a349d63584cf814d2d89c6f39d9"`
[INFO] running `"docker" "rm" "-f" "e5eb866dadaf75a8b5bd5e0e4c73c9c9ebaa5a349d63584cf814d2d89c6f39d9"`
[INFO] [stdout] e5eb866dadaf75a8b5bd5e0e4c73c9c9ebaa5a349d63584cf814d2d89c6f39d9