[INFO] fetching crate mathml 0.4.4...
[INFO] testing mathml-0.4.4 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mathml 0.4.4 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mathml 0.4.4 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.3.2 (available: v0.5.1)
[INFO] [stderr]       Adding roxmltree v0.10.1 (available: v0.21.1)
[INFO] [stderr]       Adding serde_plain v0.3.0 (available: v1.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded roxmltree v0.10.1
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded serde_plain v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5848bd0356d3ea86dfacb4ffe4b0283e4ad5263d3b5ec76937ab14fd01b7796a
[INFO] running `Command { std: "docker" "start" "-a" "5848bd0356d3ea86dfacb4ffe4b0283e4ad5263d3b5ec76937ab14fd01b7796a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5848bd0356d3ea86dfacb4ffe4b0283e4ad5263d3b5ec76937ab14fd01b7796a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5848bd0356d3ea86dfacb4ffe4b0283e4ad5263d3b5ec76937ab14fd01b7796a", kill_on_drop: false }`
[INFO] [stdout] 5848bd0356d3ea86dfacb4ffe4b0283e4ad5263d3b5ec76937ab14fd01b7796a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d915aea41adff08708689e0ef188ea8208ab2cd17dd54937850eaccdf8ef6922
[INFO] running `Command { std: "docker" "start" "-a" "d915aea41adff08708689e0ef188ea8208ab2cd17dd54937850eaccdf8ef6922", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling xmlparser v0.13.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling roxmltree v0.10.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_plain v0.3.0
[INFO] [stderr]    Compiling mathml v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.71s
[INFO] running `Command { std: "docker" "inspect" "d915aea41adff08708689e0ef188ea8208ab2cd17dd54937850eaccdf8ef6922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d915aea41adff08708689e0ef188ea8208ab2cd17dd54937850eaccdf8ef6922", kill_on_drop: false }`
[INFO] [stdout] d915aea41adff08708689e0ef188ea8208ab2cd17dd54937850eaccdf8ef6922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761805d90eb17a9a22211758f9f43d57a9c64245f1f6d04a2864b44e2a0fd818
[INFO] running `Command { std: "docker" "start" "-a" "761805d90eb17a9a22211758f9f43d57a9c64245f1f6d04a2864b44e2a0fd818", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathml v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "761805d90eb17a9a22211758f9f43d57a9c64245f1f6d04a2864b44e2a0fd818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761805d90eb17a9a22211758f9f43d57a9c64245f1f6d04a2864b44e2a0fd818", kill_on_drop: false }`
[INFO] [stdout] 761805d90eb17a9a22211758f9f43d57a9c64245f1f6d04a2864b44e2a0fd818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fac55ab07c405858032db43a77a1da7389e300cab2990e0a3bda871d9b74cfd3
[INFO] running `Command { std: "docker" "start" "-a" "fac55ab07c405858032db43a77a1da7389e300cab2990e0a3bda871d9b74cfd3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mathml-38cce9da53f7e72c)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::test_recursion ... ok
[INFO] [stdout] test regexes::test::test_replace ... ok
[INFO] [stdout] test test::test_simple_parsing ... ok
[INFO] [stdout] test test::test_tau ... ok
[INFO] [stdout] test test::test_sbml_attrs ... ok
[INFO] [stdout] test numbers::test::test_number_eq ... ok
[INFO] [stdout] test numbers::test::test_number_e ... ok
[INFO] [stdout] test test::test_numbers ... ok
[INFO] [stderr]    Doc-tests mathml
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fac55ab07c405858032db43a77a1da7389e300cab2990e0a3bda871d9b74cfd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac55ab07c405858032db43a77a1da7389e300cab2990e0a3bda871d9b74cfd3", kill_on_drop: false }`
[INFO] [stdout] fac55ab07c405858032db43a77a1da7389e300cab2990e0a3bda871d9b74cfd3