[INFO] fetching crate marked 0.3.0...
[INFO] checking marked-0.3.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate marked 0.3.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate marked 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marked 0.3.0
[INFO] finished tweaking crates.io crate marked 0.3.0
[INFO] tweaked toml for crates.io crate marked 0.3.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 209cf8a81d2ce31cc0930ce14550f1b621523e9521a286e9b2d020c554492cb6
[INFO] running `Command { std: "docker" "start" "-a" "209cf8a81d2ce31cc0930ce14550f1b621523e9521a286e9b2d020c554492cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "209cf8a81d2ce31cc0930ce14550f1b621523e9521a286e9b2d020c554492cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209cf8a81d2ce31cc0930ce14550f1b621523e9521a286e9b2d020c554492cb6", kill_on_drop: false }`
[INFO] [stdout] 209cf8a81d2ce31cc0930ce14550f1b621523e9521a286e9b2d020c554492cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9116a2e26e4cb19327134c751b2125136520c8723e289a209573ea82c3b967f
[INFO] running `Command { std: "docker" "start" "-a" "f9116a2e26e4cb19327134c751b2125136520c8723e289a209573ea82c3b967f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling marked v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking string_cache v0.8.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stdout] error[E0432]: unresolved import `markup5ever_rcdom`
[INFO] [stdout]   --> benches/round_trip.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use markup5ever_rcdom::{SerializableHandle, RcDom};
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `markup5ever_rcdom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/round_trip.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `marked` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f9116a2e26e4cb19327134c751b2125136520c8723e289a209573ea82c3b967f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9116a2e26e4cb19327134c751b2125136520c8723e289a209573ea82c3b967f", kill_on_drop: false }`
[INFO] [stdout] f9116a2e26e4cb19327134c751b2125136520c8723e289a209573ea82c3b967f
