[INFO] fetching crate html-diff 0.0.6...
[INFO] checking html-diff-0.0.6 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate html-diff 0.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate html-diff 0.0.6 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate html-diff 0.0.6
[INFO] finished tweaking crates.io crate html-diff 0.0.6
[INFO] tweaked toml for crates.io crate html-diff 0.0.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29f06e0aa3e001f6948ffe6e465fc9188fdc93fc5eae6654cff374e4a6aa21ad
[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" "29f06e0aa3e001f6948ffe6e465fc9188fdc93fc5eae6654cff374e4a6aa21ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29f06e0aa3e001f6948ffe6e465fc9188fdc93fc5eae6654cff374e4a6aa21ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f06e0aa3e001f6948ffe6e465fc9188fdc93fc5eae6654cff374e4a6aa21ad", kill_on_drop: false }`
[INFO] [stdout] 29f06e0aa3e001f6948ffe6e465fc9188fdc93fc5eae6654cff374e4a6aa21ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 27754b69f789bee047ef3387290084b4e1822f36f277eeba630b0c02551d161a
[INFO] running `Command { std: "docker" "start" "-a" "27754b69f789bee047ef3387290084b4e1822f36f277eeba630b0c02551d161a", kill_on_drop: false }`
[INFO] [stderr] Compiling rand_core v0.4.2
[INFO] [stderr] Compiling autocfg v0.1.7
[INFO] [stderr] Compiling libc v0.2.95
[INFO] [stderr] Compiling siphasher v0.2.3
[INFO] [stderr] Compiling unicode-xid v0.0.4
[INFO] [stderr] Compiling string_cache_shared v0.3.0
[INFO] [stderr] Compiling quote v0.3.15
[INFO] [stderr] Compiling syn v1.0.72
[INFO] [stderr] Checking void v1.0.2
[INFO] [stderr] Compiling rustc-serialize v0.3.24
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Compiling procedural-masquerade v0.1.7
[INFO] [stderr] Checking bitflags v0.7.0
[INFO] [stderr] Checking smallvec v0.3.4
[INFO] [stderr] Checking fnv v1.0.7
[INFO] [stderr] Checking unreachable v0.1.1
[INFO] [stderr] Compiling synom v0.11.3
[INFO] [stderr] Checking debug_unreachable v0.1.1
[INFO] [stderr] Compiling rand_core v0.3.1
[INFO] [stderr] Compiling rand_jitter v0.1.4
[INFO] [stderr] Compiling phf_shared v0.7.24
[INFO] [stderr] Compiling rand_hc v0.1.0
[INFO] [stderr] Compiling rand_xorshift v0.1.1
[INFO] [stderr] Compiling rand_isaac v0.1.1
[INFO] [stderr] Compiling syn v0.11.11
[INFO] [stderr] Checking phf v0.7.24
[INFO] [stderr] Compiling rand_chacha v0.1.1
[INFO] [stderr] Compiling rand_pcg v0.1.2
[INFO] [stderr] Compiling rand v0.6.5
[INFO] [stderr] Checking log v0.3.9
[INFO] [stderr] Compiling rand_os v0.1.3
[INFO] [stderr] Compiling phf_generator v0.7.24
[INFO] [stderr] Compiling phf_codegen v0.7.24
[INFO] [stderr] Compiling string_cache_codegen v0.4.4
[INFO] [stderr] Compiling selectors v0.18.0
[INFO] [stderr] Compiling string_cache v0.6.2
[INFO] [stderr] Compiling markup5ever v0.5.0
[INFO] [stderr] Compiling cssparser v0.13.7
[INFO] [stderr] Compiling html5ever v0.20.0
[INFO] [stderr] Compiling cssparser-macros v0.3.6
[INFO] [stderr] Checking kuchiki v0.6.0
[INFO] [stderr] Checking html-diff v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.96s
[INFO] running `Command { std: "docker" "inspect" "27754b69f789bee047ef3387290084b4e1822f36f277eeba630b0c02551d161a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27754b69f789bee047ef3387290084b4e1822f36f277eeba630b0c02551d161a", kill_on_drop: false }`
[INFO] [stdout] 27754b69f789bee047ef3387290084b4e1822f36f277eeba630b0c02551d161a