[INFO] fetching crate html-outliner 0.1.2...
[INFO] checking html-outliner-0.1.2 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate html-outliner 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate html-outliner 0.1.2 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate html-outliner 0.1.2
[INFO] finished tweaking crates.io crate html-outliner 0.1.2
[INFO] tweaked toml for crates.io crate html-outliner 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7e1dc4ac9b98a333469f9b1706ab198b7e8cca42dac7466da3d5f6c4dc2ff2b
[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" "f7e1dc4ac9b98a333469f9b1706ab198b7e8cca42dac7466da3d5f6c4dc2ff2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e1dc4ac9b98a333469f9b1706ab198b7e8cca42dac7466da3d5f6c4dc2ff2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e1dc4ac9b98a333469f9b1706ab198b7e8cca42dac7466da3d5f6c4dc2ff2b", kill_on_drop: false }`
[INFO] [stdout] f7e1dc4ac9b98a333469f9b1706ab198b7e8cca42dac7466da3d5f6c4dc2ff2b
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9ff2767a12523d99fb12d5ec20c2c018bec761b965ec0fff16ad5f6c524e09f
[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" "b9ff2767a12523d99fb12d5ec20c2c018bec761b965ec0fff16ad5f6c524e09f", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.24
[INFO] [stderr] Compiling syn v1.0.54
[INFO] [stderr] Compiling ppv-lite86 v0.2.10
[INFO] [stderr] Compiling serde v1.0.118
[INFO] [stderr] Compiling proc-macro-hack v0.5.19
[INFO] [stderr] Compiling serde_json v1.0.60
[INFO] [stderr] Compiling serde_derive v1.0.118
[INFO] [stderr] Compiling itoa v0.4.6
[INFO] [stderr] Checking new_debug_unreachable v1.0.4
[INFO] [stderr] Compiling log v0.4.11
[INFO] [stderr] Checking cfg-if v0.1.10
[INFO] [stderr] Checking mac v0.1.1
[INFO] [stderr] Compiling byteorder v1.3.4
[INFO] [stderr] Checking dtoa v0.4.6
[INFO] [stderr] Compiling bitflags v1.2.1
[INFO] [stderr] Checking stable_deref_trait v1.2.0
[INFO] [stderr] Checking nodrop v0.1.14
[INFO] [stderr] Checking matches v0.1.8
[INFO] [stderr] Checking thin-slice v0.1.1
[INFO] [stderr] Checking thread_local v1.0.1
[INFO] [stderr] Checking futf v0.1.4
[INFO] [stderr] Compiling libc v0.2.81
[INFO] [stderr] Checking servo_arc v0.1.1
[INFO] [stderr] Checking dtoa-short v0.3.3
[INFO] [stderr] Checking tendril v0.4.1
[INFO] [stderr] Checking regex v1.4.2
[INFO] [stderr] Checking fxhash v0.2.1
[INFO] [stderr] Compiling getrandom v0.1.15
[INFO] [stderr] Compiling quote v1.0.7
[INFO] [stderr] Compiling rand_core v0.5.1
[INFO] [stderr] Compiling rand_chacha v0.2.2
[INFO] [stderr] Compiling rand_pcg v0.2.1
[INFO] [stderr] Compiling rand v0.7.3
[INFO] [stderr] Compiling phf_generator v0.8.0
[INFO] [stderr] Compiling phf_codegen v0.8.0
[INFO] [stderr] Compiling string_cache_codegen v0.5.1
[INFO] [stderr] Compiling selectors v0.22.0
[INFO] [stderr] Checking string_cache v0.8.1
[INFO] [stderr] Compiling phf_macros v0.8.0
[INFO] [stderr] Compiling cssparser v0.27.2
[INFO] [stderr] Compiling cssparser-macros v0.6.0
[INFO] [stderr] Compiling html5ever v0.25.1
[INFO] [stderr] Compiling derive_more v0.99.11
[INFO] [stderr] Checking phf v0.8.0
[INFO] [stderr] Compiling markup5ever v0.10.0
[INFO] [stderr] Checking kuchiki v0.8.1
[INFO] [stderr] Checking html-outliner v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "b9ff2767a12523d99fb12d5ec20c2c018bec761b965ec0fff16ad5f6c524e09f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ff2767a12523d99fb12d5ec20c2c018bec761b965ec0fff16ad5f6c524e09f", kill_on_drop: false }`
[INFO] [stdout] b9ff2767a12523d99fb12d5ec20c2c018bec761b965ec0fff16ad5f6c524e09f