[INFO] updating cached repository echelon/beltline-lantern-parade-2017
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/echelon/beltline-lantern-parade-2017
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/echelon/beltline-lantern-parade-2017" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/echelon/beltline-lantern-parade-2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/echelon/beltline-lantern-parade-2017'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/echelon/beltline-lantern-parade-2017" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/echelon/beltline-lantern-parade-2017"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/echelon/beltline-lantern-parade-2017'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36c930ce836fa5fcb4db8a404db2bdbd3a23171a
[INFO] sha for GitHub repo echelon/beltline-lantern-parade-2017: 36c930ce836fa5fcb4db8a404db2bdbd3a23171a
[INFO] validating manifest of echelon/beltline-lantern-parade-2017 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of echelon/beltline-lantern-parade-2017 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing echelon/beltline-lantern-parade-2017
[INFO] finished frobbing echelon/beltline-lantern-parade-2017
[INFO] frobbed toml for echelon/beltline-lantern-parade-2017 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/echelon/beltline-lantern-parade-2017/Cargo.toml
[INFO] started frobbing echelon/beltline-lantern-parade-2017
[INFO] finished frobbing echelon/beltline-lantern-parade-2017
[INFO] frobbed toml for echelon/beltline-lantern-parade-2017 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/echelon/beltline-lantern-parade-2017/Cargo.toml
[INFO] crate echelon/beltline-lantern-parade-2017 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking echelon/beltline-lantern-parade-2017 against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-5/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/echelon/beltline-lantern-parade-2017:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 224fa5c98cc5962069e7c8490fccf13120d9f7d841c8c46b38162171f4477582
[INFO] running `"docker" "start" "-a" "224fa5c98cc5962069e7c8490fccf13120d9f7d841c8c46b38162171f4477582"`
[INFO] [stderr]     Checking parade v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]   --> src/main.rs:22:11
[INFO] [stderr]    |
[INFO] [stderr] 22 |   let mut filename = String::new();
[INFO] [stderr]    |           ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `letter`
[INFO] [stderr]   --> src/main.rs:53:11
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let mut letter = letters::letter_n();
[INFO] [stderr]    |           ^^^^^^ help: consider prefixing with an underscore: `_letter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_index`
[INFO] [stderr]   --> src/main.rs:90:11
[INFO] [stderr]    |
[INFO] [stderr] 90 |   let mut current_index = 0;
[INFO] [stderr]    |           ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_current_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 |   let mut filename = String::new();
[INFO] [stderr]    |       ----^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let mut letter = letters::letter_n();
[INFO] [stderr]    |       ----^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:90:7
[INFO] [stderr]    |
[INFO] [stderr] 90 |   let mut current_index = 0;
[INFO] [stderr]    |       ----^^^^^^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]   --> src/main.rs:22:11
[INFO] [stderr]    |
[INFO] [stderr] 22 |   let mut filename = String::new();
[INFO] [stderr]    |           ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `letter`
[INFO] [stderr]   --> src/main.rs:53:11
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let mut letter = letters::letter_n();
[INFO] [stderr]    |           ^^^^^^ help: consider prefixing with an underscore: `_letter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_index`
[INFO] [stderr]   --> src/main.rs:90:11
[INFO] [stderr]    |
[INFO] [stderr] 90 |   let mut current_index = 0;
[INFO] [stderr]    |           ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_current_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 |   let mut filename = String::new();
[INFO] [stderr]    |       ----^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:53:7
[INFO] [stderr]    |
[INFO] [stderr] 53 |   let mut letter = letters::letter_n();
[INFO] [stderr]    |       ----^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:90:7
[INFO] [stderr]    |
[INFO] [stderr] 90 |   let mut current_index = 0;
[INFO] [stderr]    |       ----^^^^^^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `x_rotate`
[INFO] [stderr]    --> src/main.rs:163:1
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn x_rotate(point: &mut PipelinePoint, theta: f32) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `z_rotate`
[INFO] [stderr]    --> src/main.rs:173:1
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn z_rotate(point: &mut PipelinePoint, theta: f32) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_simple_rotation`
[INFO] [stderr]    --> src/main.rs:204:1
[INFO] [stderr]     |
[INFO] [stderr] 204 | fn get_simple_rotation() -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert_x`
[INFO] [stderr]    --> src/main.rs:212:1
[INFO] [stderr]     |
[INFO] [stderr] 212 | fn invert_x(x_coordinate: i16) -> i16 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `x_rotate`
[INFO] [stderr]    --> src/main.rs:163:1
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn x_rotate(point: &mut PipelinePoint, theta: f32) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `z_rotate`
[INFO] [stderr]    --> src/main.rs:173:1
[INFO] [stderr]     |
[INFO] [stderr] 173 | fn z_rotate(point: &mut PipelinePoint, theta: f32) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_simple_rotation`
[INFO] [stderr]    --> src/main.rs:204:1
[INFO] [stderr]     |
[INFO] [stderr] 204 | fn get_simple_rotation() -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert_x`
[INFO] [stderr]    --> src/main.rs:212:1
[INFO] [stderr]     |
[INFO] [stderr] 212 | fn invert_x(x_coordinate: i16) -> i16 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "224fa5c98cc5962069e7c8490fccf13120d9f7d841c8c46b38162171f4477582"`
[INFO] running `"docker" "rm" "-f" "224fa5c98cc5962069e7c8490fccf13120d9f7d841c8c46b38162171f4477582"`
[INFO] [stdout] 224fa5c98cc5962069e7c8490fccf13120d9f7d841c8c46b38162171f4477582