[INFO] fetching crate mathml 0.4.4...
[INFO] testing mathml-0.4.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mathml 0.4.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mathml 0.4.4 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 mathml 0.4.4
[INFO] finished tweaking crates.io crate mathml 0.4.4
[INFO] tweaked toml for crates.io crate mathml 0.4.4 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] fc801f52ed18536e764adb05f28bcb3be534a35ed4e8c880c3780da7c496f899
[INFO] running `Command { std: "docker" "start" "-a" "fc801f52ed18536e764adb05f28bcb3be534a35ed4e8c880c3780da7c496f899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc801f52ed18536e764adb05f28bcb3be534a35ed4e8c880c3780da7c496f899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc801f52ed18536e764adb05f28bcb3be534a35ed4e8c880c3780da7c496f899", kill_on_drop: false }`
[INFO] [stdout] fc801f52ed18536e764adb05f28bcb3be534a35ed4e8c880c3780da7c496f899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 28d2d85bf9c19cff81fc1837831ad7f3bcb373e2d18ab714642a49f90f37c624
[INFO] running `Command { std: "docker" "start" "-a" "28d2d85bf9c19cff81fc1837831ad7f3bcb373e2d18ab714642a49f90f37c624", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_plain v0.3.0
[INFO] [stderr]    Compiling roxmltree v0.10.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling mathml v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
[INFO] running `Command { std: "docker" "inspect" "28d2d85bf9c19cff81fc1837831ad7f3bcb373e2d18ab714642a49f90f37c624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d2d85bf9c19cff81fc1837831ad7f3bcb373e2d18ab714642a49f90f37c624", kill_on_drop: false }`
[INFO] [stdout] 28d2d85bf9c19cff81fc1837831ad7f3bcb373e2d18ab714642a49f90f37c624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cbdff19feaea8518ae1498d56b80134a3f0b7ee8afd7aa8d76605275cefd722
[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" "6cbdff19feaea8518ae1498d56b80134a3f0b7ee8afd7aa8d76605275cefd722", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathml v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "6cbdff19feaea8518ae1498d56b80134a3f0b7ee8afd7aa8d76605275cefd722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbdff19feaea8518ae1498d56b80134a3f0b7ee8afd7aa8d76605275cefd722", kill_on_drop: false }`
[INFO] [stdout] 6cbdff19feaea8518ae1498d56b80134a3f0b7ee8afd7aa8d76605275cefd722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4cd431672782196ecff67af4ac18167556c724b7e0191af6c9da0875fcedefb
[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" "e4cd431672782196ecff67af4ac18167556c724b7e0191af6c9da0875fcedefb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mathml-13b01d09d666801e
[INFO] [stdout] test numbers::test::test_number_eq ... ok
[INFO] [stdout] test numbers::test::test_number_e ... ok
[INFO] [stdout] test test::test_recursion ... ok
[INFO] [stdout] test test::test_sbml_attrs ... ok
[INFO] [stdout] test regexes::test::test_replace ... ok
[INFO] [stdout] test test::test_tau ... ok
[INFO] [stdout] test test::test_numbers ... ok
[INFO] [stderr]    Doc-tests mathml
[INFO] [stdout] test test::test_simple_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "e4cd431672782196ecff67af4ac18167556c724b7e0191af6c9da0875fcedefb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cd431672782196ecff67af4ac18167556c724b7e0191af6c9da0875fcedefb", kill_on_drop: false }`
[INFO] [stdout] e4cd431672782196ecff67af4ac18167556c724b7e0191af6c9da0875fcedefb