[INFO] cloning repository RustUser/Rust-Switch
[INFO] running `"git" "clone" "--bare" "git://github.com/RustUser/Rust-Switch.git" "work/cache/sources/gh/RustUser/Rust-Switch"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/RustUser/Rust-Switch'...
[INFO] running `"git" "clone" "work/cache/sources/gh/RustUser/Rust-Switch" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/RustUser/Rust-Switch"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/RustUser/Rust-Switch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RustUser/Rust-Switch" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/RustUser/Rust-Switch"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/RustUser/Rust-Switch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b80ffff8aec28f3c582431833132ff6f1c34d5d3
[INFO] sha for GitHub repo RustUser/Rust-Switch: b80ffff8aec28f3c582431833132ff6f1c34d5d3
[INFO] validating manifest of RustUser/Rust-Switch on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of RustUser/Rust-Switch on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing RustUser/Rust-Switch
[INFO] finished frobbing RustUser/Rust-Switch
[INFO] frobbed toml for RustUser/Rust-Switch written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/RustUser/Rust-Switch/Cargo.toml
[INFO] started frobbing RustUser/Rust-Switch
[INFO] finished frobbing RustUser/Rust-Switch
[INFO] frobbed toml for RustUser/Rust-Switch written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/RustUser/Rust-Switch/Cargo.toml
[INFO] crate RustUser/Rust-Switch has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking RustUser/Rust-Switch against try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-3/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/RustUser/Rust-Switch:/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" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e29b3774a28cc8aa7989c404986e655f29ab110ede6f58a3bebcc240aac82cde
[INFO] running `"docker" "start" "-a" "e29b3774a28cc8aa7989c404986e655f29ab110ede6f58a3bebcc240aac82cde"`
[INFO] [stderr]     Checking RustSwitch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `switch::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use switch::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `switch::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use switch::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/switch.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn init(value: bool) -> Switch {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `view`
[INFO] [stderr]   --> src/switch.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn view(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustSwitch` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_switch`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/switch.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn init(value: bool) -> Switch {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `view`
[INFO] [stderr]   --> src/switch.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn view(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustSwitch` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_switch`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "e29b3774a28cc8aa7989c404986e655f29ab110ede6f58a3bebcc240aac82cde"`
[INFO] running `"docker" "rm" "-f" "e29b3774a28cc8aa7989c404986e655f29ab110ede6f58a3bebcc240aac82cde"`
[INFO] [stdout] e29b3774a28cc8aa7989c404986e655f29ab110ede6f58a3bebcc240aac82cde