[INFO] fetching crate mathml 0.4.4...
[INFO] testing mathml-0.4.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mathml 0.4.4 into /workspace/builds/worker-6-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mathml 0.4.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f06676c9416181f4710c6976ff0487c52126313e00a03632fddb4907e425dfb8
[INFO] running `Command { std: "docker" "start" "-a" "f06676c9416181f4710c6976ff0487c52126313e00a03632fddb4907e425dfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f06676c9416181f4710c6976ff0487c52126313e00a03632fddb4907e425dfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06676c9416181f4710c6976ff0487c52126313e00a03632fddb4907e425dfb8", kill_on_drop: false }`
[INFO] [stdout] f06676c9416181f4710c6976ff0487c52126313e00a03632fddb4907e425dfb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d4b82382a1cec211e85a72c49b496c65a5de9bd59408d12c8a519b7caa747b4
[INFO] running `Command { std: "docker" "start" "-a" "7d4b82382a1cec211e85a72c49b496c65a5de9bd59408d12c8a519b7caa747b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling xmlparser v0.13.6
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling serde_plain v0.3.0
[INFO] [stderr]    Compiling roxmltree v0.10.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling mathml v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "7d4b82382a1cec211e85a72c49b496c65a5de9bd59408d12c8a519b7caa747b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4b82382a1cec211e85a72c49b496c65a5de9bd59408d12c8a519b7caa747b4", kill_on_drop: false }`
[INFO] [stdout] 7d4b82382a1cec211e85a72c49b496c65a5de9bd59408d12c8a519b7caa747b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb4daa16a97827cd0bc160f73fe3d13b191bfcd0e1ba1e1c59d71f6586920fc5
[INFO] running `Command { std: "docker" "start" "-a" "fb4daa16a97827cd0bc160f73fe3d13b191bfcd0e1ba1e1c59d71f6586920fc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathml v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "fb4daa16a97827cd0bc160f73fe3d13b191bfcd0e1ba1e1c59d71f6586920fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4daa16a97827cd0bc160f73fe3d13b191bfcd0e1ba1e1c59d71f6586920fc5", kill_on_drop: false }`
[INFO] [stdout] fb4daa16a97827cd0bc160f73fe3d13b191bfcd0e1ba1e1c59d71f6586920fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b33ed4d348ab33c77ae6e0763b4cceb41a854467551ff709efec0d2d0dd51cbd
[INFO] running `Command { std: "docker" "start" "-a" "b33ed4d348ab33c77ae6e0763b4cceb41a854467551ff709efec0d2d0dd51cbd", 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-11117ef6178c8b77)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test regexes::test::test_replace ... ok
[INFO] [stdout] test numbers::test::test_number_e ... ok
[INFO] [stdout] test test::test_numbers ... ok
[INFO] [stdout] test test::test_tau ... ok
[INFO] [stdout] test test::test_simple_parsing ... ok
[INFO] [stdout] test test::test_sbml_attrs ... ok
[INFO] [stdout] test numbers::test::test_number_eq ... ok
[INFO] [stdout] test test::test_recursion ... ok
[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] [stderr]    Doc-tests mathml
[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" "b33ed4d348ab33c77ae6e0763b4cceb41a854467551ff709efec0d2d0dd51cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b33ed4d348ab33c77ae6e0763b4cceb41a854467551ff709efec0d2d0dd51cbd", kill_on_drop: false }`
[INFO] [stdout] b33ed4d348ab33c77ae6e0763b4cceb41a854467551ff709efec0d2d0dd51cbd