[INFO] fetching crate html-diff 0.0.6...
[INFO] checking html-diff-0.0.6 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate html-diff 0.0.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate html-diff 0.0.6 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", 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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08a3e6ac1e7203ba1abb7491b080f1f0f8423c6c65361c9c75c8af3321a8e301
[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" "08a3e6ac1e7203ba1abb7491b080f1f0f8423c6c65361c9c75c8af3321a8e301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08a3e6ac1e7203ba1abb7491b080f1f0f8423c6c65361c9c75c8af3321a8e301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a3e6ac1e7203ba1abb7491b080f1f0f8423c6c65361c9c75c8af3321a8e301", kill_on_drop: false }`
[INFO] [stdout] 08a3e6ac1e7203ba1abb7491b080f1f0f8423c6c65361c9c75c8af3321a8e301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea806b03f9c56cad753d6ca778a5b6d694160e628fb93d755f0be19092886194
[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" "ea806b03f9c56cad753d6ca778a5b6d694160e628fb93d755f0be19092886194", kill_on_drop: false }`
[INFO] [stderr] Compiling autocfg v0.1.7
[INFO] [stderr] Compiling libc v0.2.80
[INFO] [stderr] Compiling proc-macro2 v1.0.24
[INFO] [stderr] Compiling unicode-xid v0.2.1
[INFO] [stderr] Compiling quote v0.3.15
[INFO] [stderr] Compiling syn v1.0.48
[INFO] [stderr] Checking void v1.0.2
[INFO] [stderr] Compiling serde v1.0.117
[INFO] [stderr] Compiling log v0.4.11
[INFO] [stderr] Checking precomputed-hash v0.1.1
[INFO] [stderr] Checking new_debug_unreachable v1.0.4
[INFO] [stderr] Checking mac v0.1.1
[INFO] [stderr] Compiling procedural-masquerade v0.1.7
[INFO] [stderr] Checking utf-8 v0.7.5
[INFO] [stderr] Checking lazy_static v0.2.11
[INFO] [stderr] Checking cfg-if v0.1.10
[INFO] [stderr] Checking matches v0.1.8
[INFO] [stderr] Checking smallvec v0.3.4
[INFO] [stderr] Checking fnv v1.0.7
[INFO] [stderr] Checking bitflags v0.7.0
[INFO] [stderr] Checking futf v0.1.4
[INFO] [stderr] Checking unreachable v0.1.1
[INFO] [stderr] Checking debug_unreachable v0.1.1
[INFO] [stderr] Compiling syn v0.11.11
[INFO] [stderr] Checking tendril v0.4.1
[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 quote v1.0.7
[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 cssparser v0.13.7
[INFO] [stderr] Compiling html5ever v0.20.0
[INFO] [stderr] Compiling string_cache v0.6.2
[INFO] [stderr] Compiling markup5ever v0.5.0
[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 58.24s
[INFO] running `Command { std: "docker" "inspect" "ea806b03f9c56cad753d6ca778a5b6d694160e628fb93d755f0be19092886194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea806b03f9c56cad753d6ca778a5b6d694160e628fb93d755f0be19092886194", kill_on_drop: false }`
[INFO] [stdout] ea806b03f9c56cad753d6ca778a5b6d694160e628fb93d755f0be19092886194