[INFO] fetching crate dot-canvas 0.1.1...
[INFO] testing dot-canvas-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dot-canvas 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate dot-canvas 0.1.1
[INFO] finished tweaking crates.io crate dot-canvas 0.1.1
[INFO] tweaked toml for crates.io crate dot-canvas 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dot-canvas 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaa95e12ea6e84be57f13be0df05d0ae7682be4c00b3dd10e2706bc0417236d1
[INFO] running `Command { std: "docker" "start" "-a" "eaa95e12ea6e84be57f13be0df05d0ae7682be4c00b3dd10e2706bc0417236d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaa95e12ea6e84be57f13be0df05d0ae7682be4c00b3dd10e2706bc0417236d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa95e12ea6e84be57f13be0df05d0ae7682be4c00b3dd10e2706bc0417236d1", kill_on_drop: false }`
[INFO] [stdout] eaa95e12ea6e84be57f13be0df05d0ae7682be4c00b3dd10e2706bc0417236d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a850f0e4ee0c1771b4320318d0fe2575004f2196e2285fa6b83755084668497
[INFO] running `Command { std: "docker" "start" "-a" "2a850f0e4ee0c1771b4320318d0fe2575004f2196e2285fa6b83755084668497", kill_on_drop: false }`
[INFO] [stderr]    Compiling dot-canvas v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Dot` is never constructed
[INFO] [stdout]  --> src/shape.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Dot {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "2a850f0e4ee0c1771b4320318d0fe2575004f2196e2285fa6b83755084668497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a850f0e4ee0c1771b4320318d0fe2575004f2196e2285fa6b83755084668497", kill_on_drop: false }`
[INFO] [stdout] 2a850f0e4ee0c1771b4320318d0fe2575004f2196e2285fa6b83755084668497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d46a528f2330342317b6d16f978510f33dda637810de212b0743634df987e398
[INFO] running `Command { std: "docker" "start" "-a" "d46a528f2330342317b6d16f978510f33dda637810de212b0743634df987e398", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Dot` is never constructed
[INFO] [stdout]  --> src/shape.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Dot {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dot-canvas v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Dot` is never constructed
[INFO] [stdout]  --> src/shape.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Dot {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "d46a528f2330342317b6d16f978510f33dda637810de212b0743634df987e398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46a528f2330342317b6d16f978510f33dda637810de212b0743634df987e398", kill_on_drop: false }`
[INFO] [stdout] d46a528f2330342317b6d16f978510f33dda637810de212b0743634df987e398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 101d366d78ea2d012b32f0aefe1a2b86c0524309131ab45057f69c39f2621ad3
[INFO] running `Command { std: "docker" "start" "-a" "101d366d78ea2d012b32f0aefe1a2b86c0524309131ab45057f69c39f2621ad3", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Dot` is never constructed
[INFO] [stdout] 
[INFO] [stderr]  --> src/shape.rs:6:12
[INFO] [stdout] running 17 tests
[INFO] [stderr]   |
[INFO] [stdout] test arc::tests::arc_center ... ok
[INFO] [stderr] 6 | pub struct Dot {
[INFO] [stdout] test arc::tests::arc_center2 ... ok
[INFO] [stderr]   |            ^^^
[INFO] [stdout] test circle::tests::draw_circle4 ... ok
[INFO] [stderr]   |
[INFO] [stdout] test circle::tests::draw_dynamic ... ok
[INFO] [stderr] note: the lint level is defined here
[INFO] [stdout] test grid::tests::draw_cell_slant_line1 ... ok
[INFO] [stderr]  --> src/lib.rs:1:9
[INFO] [stdout] test grid::tests::draw_cell_slant_line3 ... ok
[INFO] [stderr]   |
[INFO] [stdout] test grid::tests::draw_cell_horizontal_line ... ok
[INFO] [stderr] 1 | #![deny(warnings)]
[INFO] [stdout] test grid::tests::draw_cell_slant_line2 ... ok
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stdout] test grid::tests::draw_cell_vertical_line ... ok
[INFO] [stderr]   = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]`
[INFO] [stdout] test grid::tests::draw_horizontal_lines ... ok
[INFO] [stderr] 
[INFO] [stdout] test grid::tests::draw_slant_lines1 ... ok
[INFO] [stderr] warning: `dot-canvas` (lib) generated 1 warning
[INFO] [stdout] test grid::tests::draw_slash_lines ... ok
[INFO] [stderr] warning: `dot-canvas` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] test grid::tests::draw_vertical_lines ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] test grid::tests::draw_slant_lines2 ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dot_canvas-68e2970e17e3ee32)
[INFO] [stdout] test grid::tests::draw_slash_lines2 ... ok
[INFO] [stdout] test arc::tests::draw_arc ... ok
[INFO] [stdout] test arc::tests::draw_arc2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dot_canvas
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/grid.rs - grid::DOTS (line 3) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "101d366d78ea2d012b32f0aefe1a2b86c0524309131ab45057f69c39f2621ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101d366d78ea2d012b32f0aefe1a2b86c0524309131ab45057f69c39f2621ad3", kill_on_drop: false }`
[INFO] [stdout] 101d366d78ea2d012b32f0aefe1a2b86c0524309131ab45057f69c39f2621ad3