[INFO] fetching crate piet-cairo 0.3.0...
[INFO] testing piet-cairo-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate piet-cairo 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate piet-cairo 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piet-cairo 0.3.0
[INFO] finished tweaking crates.io crate piet-cairo 0.3.0
[INFO] tweaked toml for crates.io crate piet-cairo 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate piet-cairo 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd4e23f342f57a334c3228e4221a16ccfa9808ee46bd195b9a40d03e8d83857e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd4e23f342f57a334c3228e4221a16ccfa9808ee46bd195b9a40d03e8d83857e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd4e23f342f57a334c3228e4221a16ccfa9808ee46bd195b9a40d03e8d83857e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4e23f342f57a334c3228e4221a16ccfa9808ee46bd195b9a40d03e8d83857e", kill_on_drop: false }`
[INFO] [stdout] bd4e23f342f57a334c3228e4221a16ccfa9808ee46bd195b9a40d03e8d83857e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84e2f406160772beae0cd9eb370dc0055f9923581b66b4534eec9f9209a36446
[INFO] running `Command { std: "docker" "start" "-a" "84e2f406160772beae0cd9eb370dc0055f9923581b66b4534eec9f9209a36446", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling xi-unicode v0.2.1
[INFO] [stderr]    Compiling kurbo v0.7.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling os_info v3.0.1
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling unic-bidi v0.9.0
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling piet v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling piet-cairo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.13s
[INFO] running `Command { std: "docker" "inspect" "84e2f406160772beae0cd9eb370dc0055f9923581b66b4534eec9f9209a36446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e2f406160772beae0cd9eb370dc0055f9923581b66b4534eec9f9209a36446", kill_on_drop: false }`
[INFO] [stdout] 84e2f406160772beae0cd9eb370dc0055f9923581b66b4534eec9f9209a36446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 070cd441680e9ca5502c5caf1466948fc329828f46be50fa522eeedd9c7560aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "070cd441680e9ca5502c5caf1466948fc329828f46be50fa522eeedd9c7560aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling piet-cairo v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "070cd441680e9ca5502c5caf1466948fc329828f46be50fa522eeedd9c7560aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070cd441680e9ca5502c5caf1466948fc329828f46be50fa522eeedd9c7560aa", kill_on_drop: false }`
[INFO] [stdout] 070cd441680e9ca5502c5caf1466948fc329828f46be50fa522eeedd9c7560aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac6f2be36174f63273b2f1a26472bf796bbe2cb8fcf97c4779ecc78c812e1e7e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac6f2be36174f63273b2f1a26472bf796bbe2cb8fcf97c4779ecc78c812e1e7e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/piet_cairo-d17205d2debae76f
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test text::lines::test::test_count_trailing_whitespace ... ok
[INFO] [stdout] test text::grapheme::test::test_x_in_grapheme_boundaries ... ok
[INFO] [stdout] test text::grapheme::test::test_grapheme_boundaries ... ok
[INFO] [stdout] test text::lines::test::test_hard_soft_break_start ... ok
[INFO] [stdout] test text::test::hit_test_empty_string ... ok
[INFO] [stdout] test text::lines::test::test_basic_calculate_line_metrics_hard_break ... ok
[INFO] [stdout] test text::test::test_hit_test_point_basic_1 ... ok
[INFO] [stdout] test text::test::test_hit_test_point_basic_0 ... ok
[INFO] [stdout] test text::test::test_hit_test_point_complex_1 ... ok
[INFO] [stdout] test text::lines::test::test_basic_calculate_line_metrics ... ok
[INFO] [stdout] test text::lines::test::test_hard_soft_break_end ... ok
[INFO] [stdout] test text::test::test_hit_test_text_position_complex_0 ... ok
[INFO] [stdout] test text::test::test_hit_test_text_position_complex_1 ... ok
[INFO] [stdout] test text::test::test_hit_test_point_complex_0 ... ok
[INFO] [stdout] test text::test::test_hit_test_text_position_basic ... ok
[INFO] [stdout] test text::test::test_multiline_hit_test_text_position_basic ... ok
[INFO] [stdout] test text::test::test_multiline_hit_test_point_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests piet-cairo
[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" "ac6f2be36174f63273b2f1a26472bf796bbe2cb8fcf97c4779ecc78c812e1e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6f2be36174f63273b2f1a26472bf796bbe2cb8fcf97c4779ecc78c812e1e7e", kill_on_drop: false }`
[INFO] [stdout] ac6f2be36174f63273b2f1a26472bf796bbe2cb8fcf97c4779ecc78c812e1e7e