[INFO] fetching crate coil 0.1.0...
[INFO] documenting coil-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate coil 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate coil 0.1.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coil 0.1.0
[INFO] finished tweaking crates.io crate coil 0.1.0
[INFO] tweaked toml for crates.io crate coil 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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" "+1.46.0" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b90543dac3b674e30b7954fc636b73dfece5765f025c706d578ab3b52c1563
[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" "74b90543dac3b674e30b7954fc636b73dfece5765f025c706d578ab3b52c1563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b90543dac3b674e30b7954fc636b73dfece5765f025c706d578ab3b52c1563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b90543dac3b674e30b7954fc636b73dfece5765f025c706d578ab3b52c1563", kill_on_drop: false }`
[INFO] [stdout] 74b90543dac3b674e30b7954fc636b73dfece5765f025c706d578ab3b52c1563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93ae5f986628141de9b490d0790844df60ac0e200a6b56205620ceebbcf5dadb
[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" "93ae5f986628141de9b490d0790844df60ac0e200a6b56205620ceebbcf5dadb", kill_on_drop: false }`
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling whoami v0.9.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling inventory v0.1.8
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]     Checking atoi v0.3.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling inventory-impl v0.1.8
[INFO] [stderr]    Compiling coil_proc_macro v0.1.0
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling async-std v1.6.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]    Compiling async-native-tls v0.3.3
[INFO] [stderr]    Compiling sqlx-rt v0.1.1
[INFO] [stderr]    Compiling sqlx-core v0.4.0-beta.1
[INFO] [stderr]    Compiling sqlx-macros v0.4.0-beta.1
[INFO] [stderr]     Checking sqlx v0.4.0-beta.1
[INFO] [stderr]  Documenting coil v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "93ae5f986628141de9b490d0790844df60ac0e200a6b56205620ceebbcf5dadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ae5f986628141de9b490d0790844df60ac0e200a6b56205620ceebbcf5dadb", kill_on_drop: false }`
[INFO] [stdout] 93ae5f986628141de9b490d0790844df60ac0e200a6b56205620ceebbcf5dadb