[INFO] updating cached repository https://github.com/echelon/laser-newyear-2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db4cd021e354c0d83ab30a84aa09dfa127f0ef28
[INFO] checking echelon/laser-newyear-2018 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechelon%2Flaser-newyear-2018" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/echelon/laser-newyear-2018 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/echelon/laser-newyear-2018
[INFO] finished tweaking git repo https://github.com/echelon/laser-newyear-2018
[INFO] tweaked toml for git repo https://github.com/echelon/laser-newyear-2018 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/echelon/laser-newyear-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 290dd29f79765c3f66c9a7541e1303403e79f227e1b57c4581958f04c3c0332d
[INFO] running `"docker" "start" "-a" "290dd29f79765c3f66c9a7541e1303403e79f227e1b57c4581958f04c3c0332d"`
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking point v0.3.0
[INFO] [stderr]     Checking beam v0.1.0
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]     Checking ilda v0.0.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking etherdream v0.0.7
[INFO] [stderr]     Checking lase v0.0.1
[INFO] [stderr]     Checking newyear-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:59:11
[INFO] [stderr]    |
[INFO] [stderr] 59 |   let mut i = 0;
[INFO] [stderr]    |           ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rot2`
[INFO] [stderr]    --> src/main.rs:182:11
[INFO] [stderr]     |
[INFO] [stderr] 182 |       let rot2 = get_rotation(4);
[INFO] [stderr]     |           ^^^^ help: consider prefixing with an underscore: `_rot2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]   --> src/main.rs:85:11
[INFO] [stderr]    |
[INFO] [stderr] 85 |   let mut filename = String::new();
[INFO] [stderr]    |           ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `letter`
[INFO] [stderr]    --> src/main.rs:116:11
[INFO] [stderr]     |
[INFO] [stderr] 116 |   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:123:11
[INFO] [stderr]     |
[INFO] [stderr] 123 |   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:59:7
[INFO] [stderr]    |
[INFO] [stderr] 59 |   let mut i = 0;
[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:85:7
[INFO] [stderr]    |
[INFO] [stderr] 85 |   let mut filename = String::new();
[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:116:7
[INFO] [stderr]     |
[INFO] [stderr] 116 |   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:123:7
[INFO] [stderr]     |
[INFO] [stderr] 123 |   let mut current_index = 0;
[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/letters.rs:21:7
[INFO] [stderr]    |
[INFO] [stderr] 21 |   for mut pt in points.iter_mut() {
[INFO] [stderr]    |       ----^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:59:11
[INFO] [stderr]    |
[INFO] [stderr] 59 |   let mut i = 0;
[INFO] [stderr]    |           ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rot2`
[INFO] [stderr]    --> src/main.rs:182:11
[INFO] [stderr]     |
[INFO] [stderr] 182 |       let rot2 = get_rotation(4);
[INFO] [stderr]     |           ^^^^ help: consider prefixing with an underscore: `_rot2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]   --> src/main.rs:85:11
[INFO] [stderr]    |
[INFO] [stderr] 85 |   let mut filename = String::new();
[INFO] [stderr]    |           ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `letter`
[INFO] [stderr]    --> src/main.rs:116:11
[INFO] [stderr]     |
[INFO] [stderr] 116 |   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:123:11
[INFO] [stderr]     |
[INFO] [stderr] 123 |   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:59:7
[INFO] [stderr]    |
[INFO] [stderr] 59 |   let mut i = 0;
[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:85:7
[INFO] [stderr]    |
[INFO] [stderr] 85 |   let mut filename = String::new();
[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:116:7
[INFO] [stderr]     |
[INFO] [stderr] 116 |   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:123:7
[INFO] [stderr]     |
[INFO] [stderr] 123 |   let mut current_index = 0;
[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/letters.rs:21:7
[INFO] [stderr]    |
[INFO] [stderr] 21 |   for mut pt in points.iter_mut() {
[INFO] [stderr]    |       ----^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_a`
[INFO] [stderr]    --> src/letters.rs:656:1
[INFO] [stderr]     |
[INFO] [stderr] 656 | pub fn letter_a() -> Vec<PipelinePoint> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_t`
[INFO] [stderr]     --> src/letters.rs:1169:1
[INFO] [stderr]      |
[INFO] [stderr] 1169 | pub fn letter_t() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_l`
[INFO] [stderr]     --> src/letters.rs:1702:1
[INFO] [stderr]      |
[INFO] [stderr] 1702 | pub fn letter_l() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_b`
[INFO] [stderr]     --> src/letters.rs:2729:1
[INFO] [stderr]      |
[INFO] [stderr] 2729 | pub fn letter_b() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_e`
[INFO] [stderr]     --> src/letters.rs:3238:1
[INFO] [stderr]      |
[INFO] [stderr] 3238 | pub fn letter_e() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_i`
[INFO] [stderr]     --> src/letters.rs:3747:1
[INFO] [stderr]      |
[INFO] [stderr] 3747 | pub fn letter_i() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_r`
[INFO] [stderr]     --> src/letters.rs:4255:1
[INFO] [stderr]      |
[INFO] [stderr] 4255 | pub fn letter_r() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_p`
[INFO] [stderr]     --> src/letters.rs:4763:1
[INFO] [stderr]      |
[INFO] [stderr] 4763 | pub fn letter_p() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_d`
[INFO] [stderr]     --> src/letters.rs:5271:1
[INFO] [stderr]      |
[INFO] [stderr] 5271 | pub fn letter_d() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_main`
[INFO] [stderr]   --> src/main.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn new_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `y_rotate`
[INFO] [stderr]    --> src/main.rs:203:1
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn y_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:239:1
[INFO] [stderr]     |
[INFO] [stderr] 239 | fn get_simple_rotation() -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert_x`
[INFO] [stderr]    --> src/main.rs:247:1
[INFO] [stderr]     |
[INFO] [stderr] 247 | fn invert_x(x_coordinate: i16) -> i16 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_a`
[INFO] [stderr]    --> src/letters.rs:656:1
[INFO] [stderr]     |
[INFO] [stderr] 656 | pub fn letter_a() -> Vec<PipelinePoint> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_t`
[INFO] [stderr]     --> src/letters.rs:1169:1
[INFO] [stderr]      |
[INFO] [stderr] 1169 | pub fn letter_t() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_l`
[INFO] [stderr]     --> src/letters.rs:1702:1
[INFO] [stderr]      |
[INFO] [stderr] 1702 | pub fn letter_l() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_b`
[INFO] [stderr]     --> src/letters.rs:2729:1
[INFO] [stderr]      |
[INFO] [stderr] 2729 | pub fn letter_b() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_e`
[INFO] [stderr]     --> src/letters.rs:3238:1
[INFO] [stderr]      |
[INFO] [stderr] 3238 | pub fn letter_e() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_i`
[INFO] [stderr]     --> src/letters.rs:3747:1
[INFO] [stderr]      |
[INFO] [stderr] 3747 | pub fn letter_i() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_r`
[INFO] [stderr]     --> src/letters.rs:4255:1
[INFO] [stderr]      |
[INFO] [stderr] 4255 | pub fn letter_r() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_p`
[INFO] [stderr]     --> src/letters.rs:4763:1
[INFO] [stderr]      |
[INFO] [stderr] 4763 | pub fn letter_p() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `letter_d`
[INFO] [stderr]     --> src/letters.rs:5271:1
[INFO] [stderr]      |
[INFO] [stderr] 5271 | pub fn letter_d() -> Vec<PipelinePoint> {
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_main`
[INFO] [stderr]   --> src/main.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn new_main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `y_rotate`
[INFO] [stderr]    --> src/main.rs:203:1
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn y_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:239:1
[INFO] [stderr]     |
[INFO] [stderr] 239 | fn get_simple_rotation() -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert_x`
[INFO] [stderr]    --> src/main.rs:247:1
[INFO] [stderr]     |
[INFO] [stderr] 247 | fn invert_x(x_coordinate: i16) -> i16 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.09s
[INFO] running `"docker" "inspect" "290dd29f79765c3f66c9a7541e1303403e79f227e1b57c4581958f04c3c0332d"`
[INFO] running `"docker" "rm" "-f" "290dd29f79765c3f66c9a7541e1303403e79f227e1b57c4581958f04c3c0332d"`
[INFO] [stdout] 290dd29f79765c3f66c9a7541e1303403e79f227e1b57c4581958f04c3c0332d