[INFO] updating cached repository tperdue321/rust_structs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tperdue321/rust_structs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tperdue321/rust_structs" "work/ex/beta-1.38-1/sources/1.37.0/gh/tperdue321/rust_structs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tperdue321/rust_structs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tperdue321/rust_structs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tperdue321/rust_structs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tperdue321/rust_structs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5244df34b978d5d014720c1fa42514cc89a7c37
[INFO] sha for GitHub repo tperdue321/rust_structs: c5244df34b978d5d014720c1fa42514cc89a7c37
[INFO] validating manifest of tperdue321/rust_structs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tperdue321/rust_structs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tperdue321/rust_structs
[INFO] finished frobbing tperdue321/rust_structs
[INFO] frobbed toml for tperdue321/rust_structs written to work/ex/beta-1.38-1/sources/1.37.0/gh/tperdue321/rust_structs/Cargo.toml
[INFO] started frobbing tperdue321/rust_structs
[INFO] finished frobbing tperdue321/rust_structs
[INFO] frobbed toml for tperdue321/rust_structs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tperdue321/rust_structs/Cargo.toml
[INFO] crate tperdue321/rust_structs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tperdue321/rust_structs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tperdue321/rust_structs:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7cc6f631aab8c58a5f6ca5551dcc775dca2660d97cd5d8c12eb2ae31cad7a68f
[INFO] running `"docker" "start" "-a" "7cc6f631aab8c58a5f6ca5551dcc775dca2660d97cd5d8c12eb2ae31cad7a68f"`
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type `Unit_Like_Struct` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Unit_Like_Struct {}
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `UnitLikeStruct`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user3`
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let user3 = User {
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_user3`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `purple`
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let purple = Color(230, 230, 250);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_purple`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `origin`
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let origin = Point(0, 0, 0);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_origin`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `username`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     username: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sign_in_count`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     sign_in_count: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `active`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     active: bool
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Unit_Like_Struct`
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Unit_Like_Struct {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "7cc6f631aab8c58a5f6ca5551dcc775dca2660d97cd5d8c12eb2ae31cad7a68f"`
[INFO] running `"docker" "rm" "-f" "7cc6f631aab8c58a5f6ca5551dcc775dca2660d97cd5d8c12eb2ae31cad7a68f"`
[INFO] [stdout] 7cc6f631aab8c58a5f6ca5551dcc775dca2660d97cd5d8c12eb2ae31cad7a68f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tperdue321/rust_structs:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 18a7d45c6cef89261c4e8a351be2b6f6fd5c8523d60422897ef5074d76d366e7
[INFO] running `"docker" "start" "-a" "18a7d45c6cef89261c4e8a351be2b6f6fd5c8523d60422897ef5074d76d366e7"`
[INFO] [stderr]    Compiling structs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type `Unit_Like_Struct` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Unit_Like_Struct {}
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `UnitLikeStruct`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user3`
[INFO] [stderr]   --> src/main.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let user3 = User {
[INFO] [stderr]    |         ^^^^^ help: consider prefixing with an underscore: `_user3`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `purple`
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let purple = Color(230, 230, 250);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_purple`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `origin`
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let origin = Point(0, 0, 0);
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_origin`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `username`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     username: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sign_in_count`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     sign_in_count: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `active`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     active: bool
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Unit_Like_Struct`
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Unit_Like_Struct {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "18a7d45c6cef89261c4e8a351be2b6f6fd5c8523d60422897ef5074d76d366e7"`
[INFO] running `"docker" "rm" "-f" "18a7d45c6cef89261c4e8a351be2b6f6fd5c8523d60422897ef5074d76d366e7"`
[INFO] [stdout] 18a7d45c6cef89261c4e8a351be2b6f6fd5c8523d60422897ef5074d76d366e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tperdue321/rust_structs:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d3ce1c810adf332652bf306e888fd13a7eb055e790772936b1c3bc6418ee1c46
[INFO] running `"docker" "start" "-a" "d3ce1c810adf332652bf306e888fd13a7eb055e790772936b1c3bc6418ee1c46"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/structs-27f94bc381821971
[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" "d3ce1c810adf332652bf306e888fd13a7eb055e790772936b1c3bc6418ee1c46"`
[INFO] running `"docker" "rm" "-f" "d3ce1c810adf332652bf306e888fd13a7eb055e790772936b1c3bc6418ee1c46"`
[INFO] [stdout] d3ce1c810adf332652bf306e888fd13a7eb055e790772936b1c3bc6418ee1c46