[INFO] fetching crate sbml-rs 0.1.1...
[INFO] checking sbml-rs-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate sbml-rs 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sbml-rs 0.1.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sbml-rs 0.1.1
[INFO] finished tweaking crates.io crate sbml-rs 0.1.1
[INFO] tweaked toml for crates.io crate sbml-rs 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 33 packages
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding mathru v0.9.1 (latest: v0.15.3)
[INFO] [stderr]       Adding quick-xml v0.22.0 (latest: v0.31.0)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mathml-rs v0.1.2
[INFO] [stderr]   Downloaded sbml-macros v0.1.1
[INFO] [stderr]   Downloaded mathml-macros v0.1.1
[INFO] [stderr]   Downloaded mathru v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbd99d1b6bebe7d459697507bba1ecaceedc2ebb00787d5f7dec2a4e32305cfc
[INFO] running `Command { std: "docker" "start" "-a" "cbd99d1b6bebe7d459697507bba1ecaceedc2ebb00787d5f7dec2a4e32305cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbd99d1b6bebe7d459697507bba1ecaceedc2ebb00787d5f7dec2a4e32305cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbd99d1b6bebe7d459697507bba1ecaceedc2ebb00787d5f7dec2a4e32305cfc", kill_on_drop: false }`
[INFO] [stdout] cbd99d1b6bebe7d459697507bba1ecaceedc2ebb00787d5f7dec2a4e32305cfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6db3d3e03d7a311998f44915eb31b189cea1c41e00f5277cb7afc0e61e8b927f
[INFO] running `Command { std: "docker" "start" "-a" "6db3d3e03d7a311998f44915eb31b189cea1c41e00f5277cb7afc0e61e8b927f", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking mathru v0.9.1
[INFO] [stderr]    Compiling mathml-macros v0.1.1
[INFO] [stderr]    Compiling sbml-macros v0.1.1
[INFO] [stderr]     Checking mathml-rs v0.1.2
[INFO] [stderr]     Checking sbml-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mathru v0.9.1, quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "6db3d3e03d7a311998f44915eb31b189cea1c41e00f5277cb7afc0e61e8b927f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db3d3e03d7a311998f44915eb31b189cea1c41e00f5277cb7afc0e61e8b927f", kill_on_drop: false }`
[INFO] [stdout] 6db3d3e03d7a311998f44915eb31b189cea1c41e00f5277cb7afc0e61e8b927f