[INFO] fetching crate hirola-core 0.1.3-alpha.0...
[INFO] testing hirola-core-0.1.3-alpha.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hirola-core 0.1.3-alpha.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hirola-core 0.1.3-alpha.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 hirola-core 0.1.3-alpha.0
[INFO] finished tweaking crates.io crate hirola-core 0.1.3-alpha.0
[INFO] tweaked toml for crates.io crate hirola-core 0.1.3-alpha.0 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9e687979278f538ad2c32af94d2c2c49d1268eb67a7d2658b095ed6134237506
[INFO] running `Command { std: "docker" "start" "-a" "9e687979278f538ad2c32af94d2c2c49d1268eb67a7d2658b095ed6134237506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e687979278f538ad2c32af94d2c2c49d1268eb67a7d2658b095ed6134237506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e687979278f538ad2c32af94d2c2c49d1268eb67a7d2658b095ed6134237506", kill_on_drop: false }`
[INFO] [stdout] 9e687979278f538ad2c32af94d2c2c49d1268eb67a7d2658b095ed6134237506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1625d593eb463daec997a93fa99972f315397cb4bed5a1301bc191cd40bbf1c7
[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" "1625d593eb463daec997a93fa99972f315397cb4bed5a1301bc191cd40bbf1c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling strum v0.17.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]    Compiling js-sys v0.3.46
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling web-sys v0.3.46
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.19
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling futures-signals v0.3.16
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling dominator v0.5.14
[INFO] [stderr]    Compiling typed-html-macros v0.2.2
[INFO] [stderr]    Compiling typed-html v0.2.2
[INFO] [stdout] error: overflow representing the type `Option<&T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `typed-html`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1625d593eb463daec997a93fa99972f315397cb4bed5a1301bc191cd40bbf1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1625d593eb463daec997a93fa99972f315397cb4bed5a1301bc191cd40bbf1c7", kill_on_drop: false }`
[INFO] [stdout] 1625d593eb463daec997a93fa99972f315397cb4bed5a1301bc191cd40bbf1c7