[INFO] cloning repository https://github.com/bitbangr/img_tile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bitbangr/img_tile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 756aa3716f4ad18fe9d22f7093a82ec80959341d
[INFO] testing bitbangr/img_tile against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bitbangr/img_tile on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bitbangr/img_tile
[INFO] finished tweaking git repo https://github.com/bitbangr/img_tile
[INFO] tweaked toml for git repo https://github.com/bitbangr/img_tile written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/bitbangr/img_tile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded lopdf v0.26.0
[INFO] [stderr]   Downloaded euclid v0.22.4
[INFO] [stderr]   Downloaded printpdf v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6134cc60711c9ec6f2fb66ccee59b699912c8d35dcdc111330eb3f2540a3cca2
[INFO] running `Command { std: "docker" "start" "-a" "6134cc60711c9ec6f2fb66ccee59b699912c8d35dcdc111330eb3f2540a3cca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6134cc60711c9ec6f2fb66ccee59b699912c8d35dcdc111330eb3f2540a3cca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6134cc60711c9ec6f2fb66ccee59b699912c8d35dcdc111330eb3f2540a3cca2", kill_on_drop: false }`
[INFO] [stdout] 6134cc60711c9ec6f2fb66ccee59b699912c8d35dcdc111330eb3f2540a3cca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf93c228547ebd896e2a3dadfc5b8cdea1804d740d0bdbe4f81f0b12fe1e9908
[INFO] running `Command { std: "docker" "start" "-a" "cf93c228547ebd896e2a3dadfc5b8cdea1804d740d0bdbe4f81f0b12fe1e9908", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ego-tree v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling euclid v0.22.4
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling lopdf v0.26.0
[INFO] [stderr]    Compiling printpdf v0.3.4
[INFO] [stderr]    Compiling img_tile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `page_margin_left_mm`
[INFO] [stdout]    --> src/pdf_util.rs:459:10
[INFO] [stdout]     |
[INFO] [stdout] 459 |      let page_margin_left_mm: f64 = 20.0; // size of left margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_left_mm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_margin_right_mm`
[INFO] [stdout]    --> src/pdf_util.rs:460:10
[INFO] [stdout]     |
[INFO] [stdout] 460 |      let page_margin_right_mm: f64 = 50.0; // size of right margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_right_mm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_0_x`
[INFO] [stdout]    --> src/pdf_util.rs:486:14
[INFO] [stdout]     |
[INFO] [stdout] 486 |          let col_0_x :i32 = 20;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_0_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_1_x`
[INFO] [stdout]    --> src/pdf_util.rs:487:14
[INFO] [stdout]     |
[INFO] [stdout] 487 |          let col_1_x :i32 = 110;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_1_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_2_x`
[INFO] [stdout]    --> src/pdf_util.rs:488:14
[INFO] [stdout]     |
[INFO] [stdout] 488 |          let col_2_x :i32 = 195;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_2_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_summary_circles`
[INFO] [stdout]    --> src/pdf_util.rs:952:4
[INFO] [stdout]     |
[INFO] [stdout] 952 | fn draw_summary_circles(pdf_output_window: &Vec<Vec<(Box2D<i32, i32>, modtile::RGB)>>,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_diag`
[INFO] [stdout]     --> src/pdf_util.rs:1006:4
[INFO] [stdout]      |
[INFO] [stdout] 1006 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stdout]      |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_circle_with_pts_no_fill`
[INFO] [stdout]     --> src/pdf_util.rs:1276:4
[INFO] [stdout]      |
[INFO] [stdout] 1276 | fn draw_circle_with_pts_no_fill(current_layer: &&PdfLayerReference, offsetx_pt: Pt, offsety_pt: Pt, radius_pt: Pt) -> () {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_points_for_circle`
[INFO] [stdout]     --> src/pdf_util.rs:1368:4
[INFO] [stdout]      |
[INFO] [stdout] 1368 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_and_save_test_config`
[INFO] [stdout]   --> src/modtile.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn create_and_save_test_config(path_str: &str) -> Config {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_allcolors_struct`
[INFO] [stdout]    --> src/modtile.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn test_allcolors_struct()  -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_load_all_colors`
[INFO] [stdout]    --> src/modtile.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn old_load_all_colors<P: AsRef<Path>>(path: P) -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_all_colors`
[INFO] [stdout]    --> src/modtile.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub fn save_all_colors<P: AsRef<Path>>(path: P, all_colors: AllColors) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_config`
[INFO] [stdout]    --> src/modtile.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn save_config<P: AsRef<Path>>(path: P, config: &Config) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1078:13
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             let _ = &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         &ret.push (pane_box);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         let _ = &ret.push (pane_box);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "cf93c228547ebd896e2a3dadfc5b8cdea1804d740d0bdbe4f81f0b12fe1e9908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf93c228547ebd896e2a3dadfc5b8cdea1804d740d0bdbe4f81f0b12fe1e9908", kill_on_drop: false }`
[INFO] [stdout] cf93c228547ebd896e2a3dadfc5b8cdea1804d740d0bdbe4f81f0b12fe1e9908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 329ab3da215542d6012114d628be6c2581647199df22142d601e0262fabcdb08
[INFO] running `Command { std: "docker" "start" "-a" "329ab3da215542d6012114d628be6c2581647199df22142d601e0262fabcdb08", kill_on_drop: false }`
[INFO] [stderr]    Compiling img_tile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `page_margin_left_mm`
[INFO] [stdout]    --> src/pdf_util.rs:459:10
[INFO] [stdout]     |
[INFO] [stdout] 459 |      let page_margin_left_mm: f64 = 20.0; // size of left margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_left_mm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page_margin_right_mm`
[INFO] [stdout]    --> src/pdf_util.rs:460:10
[INFO] [stdout]     |
[INFO] [stdout] 460 |      let page_margin_right_mm: f64 = 50.0; // size of right margin
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_right_mm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_0_x`
[INFO] [stdout]    --> src/pdf_util.rs:486:14
[INFO] [stdout]     |
[INFO] [stdout] 486 |          let col_0_x :i32 = 20;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_0_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_1_x`
[INFO] [stdout]    --> src/pdf_util.rs:487:14
[INFO] [stdout]     |
[INFO] [stdout] 487 |          let col_1_x :i32 = 110;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_1_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_2_x`
[INFO] [stdout]    --> src/pdf_util.rs:488:14
[INFO] [stdout]     |
[INFO] [stdout] 488 |          let col_2_x :i32 = 195;
[INFO] [stdout]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_2_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_summary_circles`
[INFO] [stdout]    --> src/pdf_util.rs:952:4
[INFO] [stdout]     |
[INFO] [stdout] 952 | fn draw_summary_circles(pdf_output_window: &Vec<Vec<(Box2D<i32, i32>, modtile::RGB)>>,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_diag`
[INFO] [stdout]     --> src/pdf_util.rs:1006:4
[INFO] [stdout]      |
[INFO] [stdout] 1006 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stdout]      |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_circle_with_pts_no_fill`
[INFO] [stdout]     --> src/pdf_util.rs:1276:4
[INFO] [stdout]      |
[INFO] [stdout] 1276 | fn draw_circle_with_pts_no_fill(current_layer: &&PdfLayerReference, offsetx_pt: Pt, offsety_pt: Pt, radius_pt: Pt) -> () {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_points_for_circle`
[INFO] [stdout]     --> src/pdf_util.rs:1368:4
[INFO] [stdout]      |
[INFO] [stdout] 1368 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_and_save_test_config`
[INFO] [stdout]   --> src/modtile.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn create_and_save_test_config(path_str: &str) -> Config {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_allcolors_struct`
[INFO] [stdout]    --> src/modtile.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn test_allcolors_struct()  -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_load_all_colors`
[INFO] [stdout]    --> src/modtile.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn old_load_all_colors<P: AsRef<Path>>(path: P) -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_all_colors`
[INFO] [stdout]    --> src/modtile.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub fn save_all_colors<P: AsRef<Path>>(path: P, all_colors: AllColors) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_config`
[INFO] [stdout]    --> src/modtile.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn save_config<P: AsRef<Path>>(path: P, config: &Config) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1078:13
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1078 |             let _ = &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stdout]      |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]     --> src/pdf_util.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         &ret.push (pane_box);
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]      |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]      |
[INFO] [stdout] 1191 |         let _ = &ret.push (pane_box);
[INFO] [stdout]      |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "329ab3da215542d6012114d628be6c2581647199df22142d601e0262fabcdb08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "329ab3da215542d6012114d628be6c2581647199df22142d601e0262fabcdb08", kill_on_drop: false }`
[INFO] [stdout] 329ab3da215542d6012114d628be6c2581647199df22142d601e0262fabcdb08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af861e133dae3a5096ac9fb59a374d36ef5ed6ed02599e2e72874e32cdd16690
[INFO] running `Command { std: "docker" "start" "-a" "af861e133dae3a5096ac9fb59a374d36ef5ed6ed02599e2e72874e32cdd16690", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `page_margin_left_mm`
[INFO] [stderr]    --> src/pdf_util.rs:459:10
[INFO] [stderr]     |
[INFO] [stderr] 459 |      let page_margin_left_mm: f64 = 20.0; // size of left margin
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_left_mm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `page_margin_right_mm`
[INFO] [stderr]    --> src/pdf_util.rs:460:10
[INFO] [stderr]     |
[INFO] [stderr] 460 |      let page_margin_right_mm: f64 = 50.0; // size of right margin
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_margin_right_mm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col_0_x`
[INFO] [stderr]    --> src/pdf_util.rs:486:14
[INFO] [stderr]     |
[INFO] [stderr] 486 |          let col_0_x :i32 = 20;
[INFO] [stderr]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_0_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col_1_x`
[INFO] [stderr]    --> src/pdf_util.rs:487:14
[INFO] [stderr]     |
[INFO] [stderr] 487 |          let col_1_x :i32 = 110;
[INFO] [stderr]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_1_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col_2_x`
[INFO] [stderr]    --> src/pdf_util.rs:488:14
[INFO] [stderr]     |
[INFO] [stderr] 488 |          let col_2_x :i32 = 195;
[INFO] [stderr]     |              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_2_x`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_summary_circles`
[INFO] [stderr]    --> src/pdf_util.rs:952:4
[INFO] [stderr]     |
[INFO] [stderr] 952 | fn draw_summary_circles(pdf_output_window: &Vec<Vec<(Box2D<i32, i32>, modtile::RGB)>>,
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_diag`
[INFO] [stderr]     --> src/pdf_util.rs:1006:4
[INFO] [stderr]      |
[INFO] [stderr] 1006 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stderr]      |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_circle_with_pts_no_fill`
[INFO] [stderr]     --> src/pdf_util.rs:1276:4
[INFO] [stderr]      |
[INFO] [stderr] 1276 | fn draw_circle_with_pts_no_fill(current_layer: &&PdfLayerReference, offsetx_pt: Pt, offsety_pt: Pt, radius_pt: Pt) -> () {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_points_for_circle`
[INFO] [stderr]     --> src/pdf_util.rs:1368:4
[INFO] [stderr]      |
[INFO] [stderr] 1368 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stderr]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_and_save_test_config`
[INFO] [stderr]   --> src/modtile.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn create_and_save_test_config(path_str: &str) -> Config {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_allcolors_struct`
[INFO] [stderr]    --> src/modtile.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 | pub fn test_allcolors_struct()  -> AllColors {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `old_load_all_colors`
[INFO] [stderr]    --> src/modtile.rs:188:8
[INFO] [stderr]     |
[INFO] [stderr] 188 | pub fn old_load_all_colors<P: AsRef<Path>>(path: P) -> AllColors {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save_all_colors`
[INFO] [stderr]    --> src/modtile.rs:208:8
[INFO] [stderr]     |
[INFO] [stderr] 208 | pub fn save_all_colors<P: AsRef<Path>>(path: P, all_colors: AllColors) -> Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save_config`
[INFO] [stderr]    --> src/modtile.rs:217:8
[INFO] [stderr]     |
[INFO] [stderr] 217 | pub fn save_config<P: AsRef<Path>>(path: P, config: &Config) -> Result<()> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]     --> src/pdf_util.rs:1078:13
[INFO] [stderr]      |
[INFO] [stderr] 1078 |             &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1078 |             let _ = &pdf_pane.push ((pdf_tile_box,pdf_tile_rgb));
[INFO] [stderr]      |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]     --> src/pdf_util.rs:1191:9
[INFO] [stderr]      |
[INFO] [stderr] 1191 |         &ret.push (pane_box);
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]      |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1191 |         let _ = &ret.push (pane_box);
[INFO] [stderr]      |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `img_tile` (bin "img_tile" test) generated 16 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/img_tile-d459d3c216d95dcb)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af861e133dae3a5096ac9fb59a374d36ef5ed6ed02599e2e72874e32cdd16690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af861e133dae3a5096ac9fb59a374d36ef5ed6ed02599e2e72874e32cdd16690", kill_on_drop: false }`
[INFO] [stdout] af861e133dae3a5096ac9fb59a374d36ef5ed6ed02599e2e72874e32cdd16690