[INFO] fetching crate pikchr 0.1.0...
[INFO] testing pikchr-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate pikchr 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pikchr 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pikchr 0.1.0
[INFO] finished tweaking crates.io crate pikchr 0.1.0
[INFO] tweaked toml for crates.io crate pikchr 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 2d4abae829ddfa41a339c47ffe178182edfbc20d062efb3020bdc884b83d3e32
[INFO] running `Command { std: "docker" "start" "-a" "2d4abae829ddfa41a339c47ffe178182edfbc20d062efb3020bdc884b83d3e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d4abae829ddfa41a339c47ffe178182edfbc20d062efb3020bdc884b83d3e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4abae829ddfa41a339c47ffe178182edfbc20d062efb3020bdc884b83d3e32", kill_on_drop: false }`
[INFO] [stdout] 2d4abae829ddfa41a339c47ffe178182edfbc20d062efb3020bdc884b83d3e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eadc3b72ccf7c659915acff8f89c71f756e8cef7b788a15fb67bb20b5131b0ae
[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" "eadc3b72ccf7c659915acff8f89c71f756e8cef7b788a15fb67bb20b5131b0ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling pikchr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "eadc3b72ccf7c659915acff8f89c71f756e8cef7b788a15fb67bb20b5131b0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eadc3b72ccf7c659915acff8f89c71f756e8cef7b788a15fb67bb20b5131b0ae", kill_on_drop: false }`
[INFO] [stdout] eadc3b72ccf7c659915acff8f89c71f756e8cef7b788a15fb67bb20b5131b0ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b88f1090a3529032329101924c3f446dde3885d5b9596dd8541a39d5c2045fd5
[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" "b88f1090a3529032329101924c3f446dde3885d5b9596dd8541a39d5c2045fd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pikchr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "b88f1090a3529032329101924c3f446dde3885d5b9596dd8541a39d5c2045fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88f1090a3529032329101924c3f446dde3885d5b9596dd8541a39d5c2045fd5", kill_on_drop: false }`
[INFO] [stdout] b88f1090a3529032329101924c3f446dde3885d5b9596dd8541a39d5c2045fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 719465b67ab7889c457d3c3a98ee28f7efbae3ec89d6fd5c171f9035b68ae900
[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" "719465b67ab7889c457d3c3a98ee28f7efbae3ec89d6fd5c171f9035b68ae900", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pikchr-3e9f250cd6376b44
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::validate_diagram ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pikchr
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - Pikchr::width (line 231) ... ok
[INFO] [stdout] test src/lib.rs - PikchrFlags::plain_errors (line 83) ... ok
[INFO] [stdout] test src/lib.rs - PikchrFlags::generate_plain_errors (line 94) ... ok
[INFO] [stdout] test src/lib.rs - Pikchr::rendered (line 255) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Pikchr::height (line 243) ... ok
[INFO] [stdout] test src/lib.rs - PikchrFlags::generate_html_errors (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Pikchr::render (line 185) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "719465b67ab7889c457d3c3a98ee28f7efbae3ec89d6fd5c171f9035b68ae900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719465b67ab7889c457d3c3a98ee28f7efbae3ec89d6fd5c171f9035b68ae900", kill_on_drop: false }`
[INFO] [stdout] 719465b67ab7889c457d3c3a98ee28f7efbae3ec89d6fd5c171f9035b68ae900