[INFO] fetching crate html-diff 0.0.6...
[INFO] checking html-diff-0.0.6 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate html-diff 0.0.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate html-diff 0.0.6 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aedf3ec42b90d2c2c703f1f1b84d11d3425f129a90ec085bdb246681c4a65ada
[INFO] running `Command { std: "docker" "start" "-a" "aedf3ec42b90d2c2c703f1f1b84d11d3425f129a90ec085bdb246681c4a65ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aedf3ec42b90d2c2c703f1f1b84d11d3425f129a90ec085bdb246681c4a65ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedf3ec42b90d2c2c703f1f1b84d11d3425f129a90ec085bdb246681c4a65ada", kill_on_drop: false }`
[INFO] [stdout] aedf3ec42b90d2c2c703f1f1b84d11d3425f129a90ec085bdb246681c4a65ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e78e78fce73f573e4da05621040c1a1f6156fe81902d17a8d1c7a192ea931f83
[INFO] running `Command { std: "docker" "start" "-a" "e78e78fce73f573e4da05621040c1a1f6156fe81902d17a8d1c7a192ea931f83", kill_on_drop: false }`
[INFO] [stderr] Compiling rand_core v0.4.2
[INFO] [stderr] Compiling autocfg v0.1.7
[INFO] [stderr] Compiling libc v0.2.98
[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 serde v1.0.126
[INFO] [stderr] Checking void v1.0.2
[INFO] [stderr] Compiling syn v1.0.73
[INFO] [stderr] Compiling log v0.4.14
[INFO] [stderr] Checking mac v0.1.1
[INFO] [stderr] Checking precomputed-hash v0.1.1
[INFO] [stderr] Compiling rustc-serialize v0.3.24
[INFO] [stderr] Checking new_debug_unreachable v1.0.4
[INFO] [stderr] Checking utf-8 v0.7.6
[INFO] [stderr] Checking lazy_static v0.2.11
[INFO] [stderr] Compiling procedural-masquerade v0.1.7
[INFO] [stderr] Checking matches v0.1.8
[INFO] [stderr] Checking smallvec v0.3.4
[INFO] [stderr] Checking bitflags v0.7.0
[INFO] [stderr] Checking futf v0.1.4
[INFO] [stderr] Compiling synom v0.11.3
[INFO] [stderr] Checking unreachable v0.1.1
[INFO] [stderr] Checking phf_shared v0.7.24
[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] Checking phf v0.7.24
[INFO] [stderr] Compiling rand_isaac v0.1.1
[INFO] [stderr] Compiling rand_hc v0.1.0
[INFO] [stderr] Compiling rand_xorshift v0.1.1
[INFO] [stderr] Checking tendril v0.4.2
[INFO] [stderr] Compiling rand_pcg v0.1.2
[INFO] [stderr] Compiling rand_chacha v0.1.1
[INFO] [stderr] Compiling rand v0.6.5
[INFO] [stderr] Compiling syn v0.11.11
[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 26.90s
[INFO] running `Command { std: "docker" "inspect" "e78e78fce73f573e4da05621040c1a1f6156fe81902d17a8d1c7a192ea931f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78e78fce73f573e4da05621040c1a1f6156fe81902d17a8d1c7a192ea931f83", kill_on_drop: false }`
[INFO] [stdout] e78e78fce73f573e4da05621040c1a1f6156fe81902d17a8d1c7a192ea931f83