[INFO] fetching crate html-diff 0.0.6...
[INFO] checking html-diff-0.0.6 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate html-diff 0.0.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate html-diff 0.0.6 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kuchiki v0.6.0
[INFO] [stderr]   Downloaded smallvec v0.3.4
[INFO] [stderr]   Downloaded markup5ever v0.5.0
[INFO] [stderr]   Downloaded html5ever v0.20.0
[INFO] [stderr]   Downloaded cssparser v0.13.7
[INFO] [stderr]   Downloaded selectors v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0f79822b2bc54ff10ec55bc4f6b69c8443c2a4a2ee2897b3b17a9982c7a0458
[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" "b0f79822b2bc54ff10ec55bc4f6b69c8443c2a4a2ee2897b3b17a9982c7a0458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0f79822b2bc54ff10ec55bc4f6b69c8443c2a4a2ee2897b3b17a9982c7a0458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f79822b2bc54ff10ec55bc4f6b69c8443c2a4a2ee2897b3b17a9982c7a0458", kill_on_drop: false }`
[INFO] [stdout] b0f79822b2bc54ff10ec55bc4f6b69c8443c2a4a2ee2897b3b17a9982c7a0458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 1c327b8ed9cd279c9b139a76e8baa41fa3ea7170539994fe69420f29b5a3f16a
[INFO] running `Command { std: "docker" "start" "-a" "1c327b8ed9cd279c9b139a76e8baa41fa3ea7170539994fe69420f29b5a3f16a", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking smallvec v0.3.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling selectors v0.18.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking log v0.3.9
[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 41.10s
[INFO] running `Command { std: "docker" "inspect" "1c327b8ed9cd279c9b139a76e8baa41fa3ea7170539994fe69420f29b5a3f16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c327b8ed9cd279c9b139a76e8baa41fa3ea7170539994fe69420f29b5a3f16a", kill_on_drop: false }`
[INFO] [stdout] 1c327b8ed9cd279c9b139a76e8baa41fa3ea7170539994fe69420f29b5a3f16a