Dec 17 11:17:05.805 INFO checking yszk0123-sandbox/hello-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 11:17:05.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 11:17:06.082 INFO [stdout] 189fa40fef9c45f3f919ddeaba86afc80e320da6f2723d8a68ea6742df6a1823
Dec 17 11:17:06.092 INFO running `"docker" "start" "-a" "189fa40fef9c45f3f919ddeaba86afc80e320da6f2723d8a68ea6742df6a1823"`
Dec 17 11:17:06.634 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 17 11:17:06.634 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 17 11:17:06.634 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 17 11:17:06.634 INFO [stderr] files will be included as a binary target:
Dec 17 11:17:06.634 INFO [stderr] 
Dec 17 11:17:06.634 INFO [stderr] * /opt/crater/workdir/src/main.rs
Dec 17 11:17:06.634 INFO [stderr] 
Dec 17 11:17:06.634 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 17 11:17:06.634 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 17 11:17:06.634 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 17 11:17:06.634 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 17 11:17:06.634 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 17 11:17:06.634 INFO [stderr] 
Dec 17 11:17:06.634 INFO [stderr] For more information on this warning you can consult
Dec 17 11:17:06.634 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 17 11:17:06.634 INFO [stderr] warning: path `/opt/crater/workdir/src/main.rs` was erroneously implicitly accepted for binary `hello-rust-bin`,
Dec 17 11:17:06.634 INFO [stderr] please set bin.path in Cargo.toml
Dec 17 11:17:06.637 INFO [stderr]     Checking hello-rust v0.0.1 (/opt/crater/workdir)
Dec 17 11:17:06.732 INFO [stderr] warning: struct is never constructed: `Rectangle`
Dec 17 11:17:06.732 INFO [stderr]  --> src/trait_examples/without_trait.rs:1:1
Dec 17 11:17:06.732 INFO [stderr]   |
Dec 17 11:17:06.732 INFO [stderr] 1 | struct Rectangle {
Dec 17 11:17:06.732 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 17 11:17:06.732 INFO [stderr]   |
Dec 17 11:17:06.732 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 11:17:06.732 INFO [stderr] 
Dec 17 11:17:06.732 INFO [stderr] warning: method is never used: `area`
Dec 17 11:17:06.732 INFO [stderr]  --> src/trait_examples/without_trait.rs:9:5
Dec 17 11:17:06.732 INFO [stderr]   |
Dec 17 11:17:06.732 INFO [stderr] 9 |     fn area(&self) -> f64 {
Dec 17 11:17:06.733 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:17:06.733 INFO [stderr] 
Dec 17 11:17:06.733 INFO [stderr] warning: struct is never constructed: `Rectangle`
Dec 17 11:17:06.733 INFO [stderr]  --> src/trait_examples/with_trait.rs:1:1
Dec 17 11:17:06.733 INFO [stderr]   |
Dec 17 11:17:06.733 INFO [stderr] 1 | struct Rectangle {
Dec 17 11:17:06.733 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 17 11:17:06.733 INFO [stderr] 
Dec 17 11:17:06.830 INFO [stderr] warning: field is never used: `x`
Dec 17 11:17:06.830 INFO [stderr]  --> src/trait_examples/without_trait.rs:2:5
Dec 17 11:17:06.830 INFO [stderr]   |
Dec 17 11:17:06.830 INFO [stderr] 2 |     x: f64,
Dec 17 11:17:06.831 INFO [stderr]   |     ^^^^^^
Dec 17 11:17:06.831 INFO [stderr]   |
Dec 17 11:17:06.831 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 11:17:06.831 INFO [stderr] 
Dec 17 11:17:06.831 INFO [stderr] warning: field is never used: `y`
Dec 17 11:17:06.831 INFO [stderr]  --> src/trait_examples/without_trait.rs:3:5
Dec 17 11:17:06.831 INFO [stderr]   |
Dec 17 11:17:06.831 INFO [stderr] 3 |     y: f64,
Dec 17 11:17:06.831 INFO [stderr]   |     ^^^^^^
Dec 17 11:17:06.832 INFO [stderr] 
Dec 17 11:17:06.832 INFO [stderr] warning: field is never used: `x`
Dec 17 11:17:06.832 INFO [stderr]  --> src/trait_examples/with_trait.rs:2:5
Dec 17 11:17:06.832 INFO [stderr]   |
Dec 17 11:17:06.832 INFO [stderr] 2 |     x: f64,
Dec 17 11:17:06.832 INFO [stderr]   |     ^^^^^^
Dec 17 11:17:06.832 INFO [stderr] 
Dec 17 11:17:06.832 INFO [stderr] warning: field is never used: `y`
Dec 17 11:17:06.832 INFO [stderr]  --> src/trait_examples/with_trait.rs:3:5
Dec 17 11:17:06.832 INFO [stderr]   |
Dec 17 11:17:06.832 INFO [stderr] 3 |     y: f64,
Dec 17 11:17:06.832 INFO [stderr]   |     ^^^^^^
Dec 17 11:17:06.832 INFO [stderr] 
Dec 17 11:17:06.882 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
Dec 17 11:17:07.320 INFO running `"docker" "inspect" "189fa40fef9c45f3f919ddeaba86afc80e320da6f2723d8a68ea6742df6a1823"`
Dec 17 11:17:07.454 INFO running `"docker" "rm" "-f" "189fa40fef9c45f3f919ddeaba86afc80e320da6f2723d8a68ea6742df6a1823"`
Dec 17 11:17:07.557 INFO [stdout] 189fa40fef9c45f3f919ddeaba86afc80e320da6f2723d8a68ea6742df6a1823