[INFO] updating cached repository BOTBrad/block
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BOTBrad/block
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BOTBrad/block" "work/ex/beta-1.38-1/sources/1.37.0/gh/BOTBrad/block"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BOTBrad/block'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BOTBrad/block" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BOTBrad/block"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BOTBrad/block'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c93f187d7957075972a3b70273c40b41857e1d8f
[INFO] sha for GitHub repo BOTBrad/block: c93f187d7957075972a3b70273c40b41857e1d8f
[INFO] validating manifest of BOTBrad/block on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BOTBrad/block on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BOTBrad/block
[INFO] finished frobbing BOTBrad/block
[INFO] frobbed toml for BOTBrad/block written to work/ex/beta-1.38-1/sources/1.37.0/gh/BOTBrad/block/Cargo.toml
[INFO] started frobbing BOTBrad/block
[INFO] finished frobbing BOTBrad/block
[INFO] frobbed toml for BOTBrad/block written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BOTBrad/block/Cargo.toml
[INFO] crate BOTBrad/block already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing BOTBrad/block against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BOTBrad/block:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8510244c9aafa2c2d23f8cd97ca3316b4cafd77b384bba1ccbcbf4fcc157c4f8
[INFO] running `"docker" "start" "-a" "8510244c9aafa2c2d23f8cd97ca3316b4cafd77b384bba1ccbcbf4fcc157c4f8"`
[INFO] [stderr]    Compiling block v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `point::Point`
[INFO] [stderr]  --> src/blockl/fragment.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use point::Point;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pen::Pen`
[INFO] [stderr]  --> src/pen/frag_writer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use pen::Pen;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f64::consts::PI`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::f64::consts::PI;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Pen`, `Writer`
[INFO] [stderr]   --> src/main.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | use pen::{FragWriter, Pen, Writer};
[INFO] [stderr]    |                       ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `angle`
[INFO] [stderr]    --> src/pen/frag_writer.rs:118:38
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn thickness_rotate(pts: Vec<Point>, angle: f64) -> (f64, f64) {
[INFO] [stderr]     |                                      ^^^^^ help: consider prefixing with an underscore: `_angle`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 |   let mut p = Path::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:38:7
[INFO] [stderr]    |
[INFO] [stderr] 38 |   let mut document = Document::new()
[INFO] [stderr]    |       ----^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/pen/frag_writer.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 12 |   width: f64,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]   --> src/pen/frag_writer.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 |   height: f64,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `path`
[INFO] [stderr]   --> src/pen/frag_writer.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   path: Vec<Point>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `thickness_rotate`
[INFO] [stderr]    --> src/pen/frag_writer.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn thickness_rotate(pts: Vec<Point>, angle: f64) -> (f64, f64) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Pen`
[INFO] [stderr]  --> src/pen/pen.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Pen {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/pen/pen.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   pub fn new(w: f64, h: f64, angle: f64, style: Path) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `by`
[INFO] [stderr]   --> src/pen/pen.rs:30:3
[INFO] [stderr]    |
[INFO] [stderr] 30 |   pub fn by(&mut self, distance: f64, angle: f64) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_by`
[INFO] [stderr]   --> src/pen/pen.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |   pub fn move_by(&mut self, distance: f64, angle: f64) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_starting_pairs`
[INFO] [stderr]   --> src/pen/pen.rs:66:3
[INFO] [stderr]    |
[INFO] [stderr] 66 |   fn get_starting_pairs(&self) -> Vec<Vec<Point>> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `done`
[INFO] [stderr]   --> src/pen/pen.rs:79:3
[INFO] [stderr]    |
[INFO] [stderr] 79 |   pub fn done(self) -> Vec<Path> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Writer`
[INFO] [stderr]  --> src/pen/writer.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Writer {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/pen/writer.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub fn new(pen: Pen) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lozenge`
[INFO] [stderr]   --> src/pen/writer.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn lozenge(&mut self) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vertical`
[INFO] [stderr]   --> src/pen/writer.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 |   pub fn vertical(&mut self) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `half_vertical`
[INFO] [stderr]   --> src/pen/writer.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   pub fn half_vertical(&mut self) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vertical_impl`
[INFO] [stderr]   --> src/pen/writer.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn vertical_impl(&mut self, scalar: f64) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `arch`
[INFO] [stderr]   --> src/pen/writer.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn arch(&mut self) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `done`
[INFO] [stderr]   --> src/pen/writer.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   pub fn done(self) -> Vec<Path> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_by`
[INFO] [stderr]   --> src/point/point.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   pub fn rotate_by(self, angle: f64) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "8510244c9aafa2c2d23f8cd97ca3316b4cafd77b384bba1ccbcbf4fcc157c4f8"`
[INFO] running `"docker" "rm" "-f" "8510244c9aafa2c2d23f8cd97ca3316b4cafd77b384bba1ccbcbf4fcc157c4f8"`
[INFO] [stdout] 8510244c9aafa2c2d23f8cd97ca3316b4cafd77b384bba1ccbcbf4fcc157c4f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BOTBrad/block:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5ab027f190326a8c7f9f5e7268e92d60c0660931ff4213d345067cced4bd1285
[INFO] running `"docker" "start" "-a" "5ab027f190326a8c7f9f5e7268e92d60c0660931ff4213d345067cced4bd1285"`
[INFO] [stderr]    Compiling block v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `point::Point`
[INFO] [stderr]  --> src/blockl/fragment.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use point::Point;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pen::Pen`
[INFO] [stderr]  --> src/pen/frag_writer.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use pen::Pen;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f64::consts::PI`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::f64::consts::PI;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Pen`, `Writer`
[INFO] [stderr]   --> src/main.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | use pen::{FragWriter, Pen, Writer};
[INFO] [stderr]    |                       ^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `angle`
[INFO] [stderr]    --> src/pen/frag_writer.rs:118:38
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn thickness_rotate(pts: Vec<Point>, angle: f64) -> (f64, f64) {
[INFO] [stderr]     |                                      ^^^^^ help: consider prefixing with an underscore: `_angle`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 |   let mut p = Path::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:38:7
[INFO] [stderr]    |
[INFO] [stderr] 38 |   let mut document = Document::new()
[INFO] [stderr]    |       ----^^^^^^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/pen/frag_writer.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 12 |   width: f64,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]   --> src/pen/frag_writer.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 |   height: f64,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `path`
[INFO] [stderr]   --> src/pen/frag_writer.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   path: Vec<Point>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `thickness_rotate`
[INFO] [stderr]    --> src/pen/frag_writer.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn thickness_rotate(pts: Vec<Point>, angle: f64) -> (f64, f64) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Pen`
[INFO] [stderr]  --> src/pen/pen.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Pen {
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/pen/pen.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   pub fn new(w: f64, h: f64, angle: f64, style: Path) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `by`
[INFO] [stderr]   --> src/pen/pen.rs:30:3
[INFO] [stderr]    |
[INFO] [stderr] 30 |   pub fn by(&mut self, distance: f64, angle: f64) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_by`
[INFO] [stderr]   --> src/pen/pen.rs:59:3
[INFO] [stderr]    |
[INFO] [stderr] 59 |   pub fn move_by(&mut self, distance: f64, angle: f64) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_starting_pairs`
[INFO] [stderr]   --> src/pen/pen.rs:66:3
[INFO] [stderr]    |
[INFO] [stderr] 66 |   fn get_starting_pairs(&self) -> Vec<Vec<Point>> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `done`
[INFO] [stderr]   --> src/pen/pen.rs:79:3
[INFO] [stderr]    |
[INFO] [stderr] 79 |   pub fn done(self) -> Vec<Path> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Writer`
[INFO] [stderr]  --> src/pen/writer.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Writer {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/pen/writer.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   pub fn new(pen: Pen) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lozenge`
[INFO] [stderr]   --> src/pen/writer.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn lozenge(&mut self) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vertical`
[INFO] [stderr]   --> src/pen/writer.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 |   pub fn vertical(&mut self) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `half_vertical`
[INFO] [stderr]   --> src/pen/writer.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   pub fn half_vertical(&mut self) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vertical_impl`
[INFO] [stderr]   --> src/pen/writer.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn vertical_impl(&mut self, scalar: f64) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `arch`
[INFO] [stderr]   --> src/pen/writer.rs:46:3
[INFO] [stderr]    |
[INFO] [stderr] 46 |   pub fn arch(&mut self) -> &mut Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `done`
[INFO] [stderr]   --> src/pen/writer.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   pub fn done(self) -> Vec<Path> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_by`
[INFO] [stderr]   --> src/point/point.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   pub fn rotate_by(self, angle: f64) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "5ab027f190326a8c7f9f5e7268e92d60c0660931ff4213d345067cced4bd1285"`
[INFO] running `"docker" "rm" "-f" "5ab027f190326a8c7f9f5e7268e92d60c0660931ff4213d345067cced4bd1285"`
[INFO] [stdout] 5ab027f190326a8c7f9f5e7268e92d60c0660931ff4213d345067cced4bd1285
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BOTBrad/block:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 97a8ee48b5513f53335edcd3eab66474ee60440c8f3bae6f4253b2db30de033c
[INFO] running `"docker" "start" "-a" "97a8ee48b5513f53335edcd3eab66474ee60440c8f3bae6f4253b2db30de033c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/block-5bfe7214e88f22fc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "97a8ee48b5513f53335edcd3eab66474ee60440c8f3bae6f4253b2db30de033c"`
[INFO] running `"docker" "rm" "-f" "97a8ee48b5513f53335edcd3eab66474ee60440c8f3bae6f4253b2db30de033c"`
[INFO] [stdout] 97a8ee48b5513f53335edcd3eab66474ee60440c8f3bae6f4253b2db30de033c