Dec 19 04:54:41.181 INFO checking yszk0123-sandbox/hello-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 04:54:41.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/yszk0123-sandbox/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=forbid" "-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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 04:54:41.736 INFO [stdout] 4d0eaf614a6e43ac4b295e86b47f3ed8f417623825a0040a707a99757ab82d9b
Dec 19 04:54:41.742 INFO running `"docker" "start" "-a" "4d0eaf614a6e43ac4b295e86b47f3ed8f417623825a0040a707a99757ab82d9b"`
Dec 19 04:54:43.667 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 19 04:54:43.667 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 19 04:54:43.667 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 19 04:54:43.667 INFO [stderr] files will be included as a binary target:
Dec 19 04:54:43.667 INFO [stderr] 
Dec 19 04:54:43.667 INFO [stderr] * /opt/crater/workdir/src/main.rs
Dec 19 04:54:43.667 INFO [stderr] 
Dec 19 04:54:43.667 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 19 04:54:43.667 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 19 04:54:43.667 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 19 04:54:43.668 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 19 04:54:43.668 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 19 04:54:43.668 INFO [stderr] 
Dec 19 04:54:43.668 INFO [stderr] For more information on this warning you can consult
Dec 19 04:54:43.668 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 19 04:54:43.668 INFO [stderr] warning: path `/opt/crater/workdir/src/main.rs` was erroneously implicitly accepted for binary `hello-rust-bin`,
Dec 19 04:54:43.668 INFO [stderr] please set bin.path in Cargo.toml
Dec 19 04:54:43.672 INFO [stderr]     Checking hello-rust v0.0.1 (/opt/crater/workdir)
Dec 19 04:54:43.968 INFO [stderr] warning: struct is never constructed: `Rectangle`
Dec 19 04:54:43.968 INFO [stderr]  --> src/trait_examples/without_trait.rs:1:1
Dec 19 04:54:43.968 INFO [stderr]   |
Dec 19 04:54:43.968 INFO [stderr] 1 | struct Rectangle {
Dec 19 04:54:43.968 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 19 04:54:43.968 INFO [stderr]   |
Dec 19 04:54:43.968 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 04:54:43.968 INFO [stderr] 
Dec 19 04:54:43.968 INFO [stderr] warning: method is never used: `area`
Dec 19 04:54:43.968 INFO [stderr]  --> src/trait_examples/without_trait.rs:9:5
Dec 19 04:54:43.968 INFO [stderr]   |
Dec 19 04:54:43.968 INFO [stderr] 9 |     fn area(&self) -> f64 {
Dec 19 04:54:43.968 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 04:54:43.968 INFO [stderr] 
Dec 19 04:54:43.968 INFO [stderr] warning: struct is never constructed: `Rectangle`
Dec 19 04:54:43.968 INFO [stderr]  --> src/trait_examples/with_trait.rs:1:1
Dec 19 04:54:43.968 INFO [stderr]   |
Dec 19 04:54:43.968 INFO [stderr] 1 | struct Rectangle {
Dec 19 04:54:43.968 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 19 04:54:43.968 INFO [stderr] 
Dec 19 04:54:44.308 INFO [stderr] warning: field is never used: `x`
Dec 19 04:54:44.308 INFO [stderr]  --> src/trait_examples/without_trait.rs:2:5
Dec 19 04:54:44.308 INFO [stderr]   |
Dec 19 04:54:44.308 INFO [stderr] 2 |     x: f64,
Dec 19 04:54:44.308 INFO [stderr]   |     ^^^^^^
Dec 19 04:54:44.308 INFO [stderr]   |
Dec 19 04:54:44.308 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 04:54:44.308 INFO [stderr] 
Dec 19 04:54:44.308 INFO [stderr] warning: field is never used: `y`
Dec 19 04:54:44.308 INFO [stderr]  --> src/trait_examples/without_trait.rs:3:5
Dec 19 04:54:44.308 INFO [stderr]   |
Dec 19 04:54:44.308 INFO [stderr] 3 |     y: f64,
Dec 19 04:54:44.308 INFO [stderr]   |     ^^^^^^
Dec 19 04:54:44.308 INFO [stderr] 
Dec 19 04:54:44.308 INFO [stderr] warning: field is never used: `x`
Dec 19 04:54:44.308 INFO [stderr]  --> src/trait_examples/with_trait.rs:2:5
Dec 19 04:54:44.308 INFO [stderr]   |
Dec 19 04:54:44.308 INFO [stderr] 2 |     x: f64,
Dec 19 04:54:44.308 INFO [stderr]   |     ^^^^^^
Dec 19 04:54:44.308 INFO [stderr] 
Dec 19 04:54:44.308 INFO [stderr] warning: field is never used: `y`
Dec 19 04:54:44.308 INFO [stderr]  --> src/trait_examples/with_trait.rs:3:5
Dec 19 04:54:44.308 INFO [stderr]   |
Dec 19 04:54:44.308 INFO [stderr] 3 |     y: f64,
Dec 19 04:54:44.308 INFO [stderr]   |     ^^^^^^
Dec 19 04:54:44.308 INFO [stderr] 
Dec 19 04:54:44.334 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 19 04:54:45.130 INFO running `"docker" "inspect" "4d0eaf614a6e43ac4b295e86b47f3ed8f417623825a0040a707a99757ab82d9b"`
Dec 19 04:54:45.613 INFO running `"docker" "rm" "-f" "4d0eaf614a6e43ac4b295e86b47f3ed8f417623825a0040a707a99757ab82d9b"`
Dec 19 04:54:45.956 INFO [stdout] 4d0eaf614a6e43ac4b295e86b47f3ed8f417623825a0040a707a99757ab82d9b