[INFO] fetching crate rvs-repl 0.5.0...
[INFO] documenting rvs-repl-0.5.0 against master#051cab2b842113b18da28259f4b85d0a7556f7f1 for pr-104889
[INFO] extracting crate rvs-repl 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rvs-repl 0.5.0 on toolchain 051cab2b842113b18da28259f4b85d0a7556f7f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rvs-repl 0.5.0
[INFO] finished tweaking crates.io crate rvs-repl 0.5.0
[INFO] tweaked toml for crates.io crate rvs-repl 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rvs-repl 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded peg-runtime v0.6.3
[INFO] [stderr]   Downloaded peg v0.6.3
[INFO] [stderr]   Downloaded peg-macros v0.6.3
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded rvs-parser v0.5.0
[INFO] [stderr]   Downloaded rvs v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d48fa5d3ae930a8d8e208a5fe833fa92e5d1c159a3d96d89d832bc88b3d7b5d0
[INFO] running `Command { std: "docker" "start" "-a" "d48fa5d3ae930a8d8e208a5fe833fa92e5d1c159a3d96d89d832bc88b3d7b5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d48fa5d3ae930a8d8e208a5fe833fa92e5d1c159a3d96d89d832bc88b3d7b5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48fa5d3ae930a8d8e208a5fe833fa92e5d1c159a3d96d89d832bc88b3d7b5d0", kill_on_drop: false }`
[INFO] [stdout] d48fa5d3ae930a8d8e208a5fe833fa92e5d1c159a3d96d89d832bc88b3d7b5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+051cab2b842113b18da28259f4b85d0a7556f7f1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8ba917f0d5e5e1f5e459cc24500feaaf6d8ef622d726295ed4f33f69cd3bb4c
[INFO] running `Command { std: "docker" "start" "-a" "e8ba917f0d5e5e1f5e459cc24500feaaf6d8ef622d726295ed4f33f69cd3bb4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking rvs-parser v0.5.0
[INFO] [stderr]     Checking rvs v0.5.0
[INFO] [stderr]  Documenting rvs-repl v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "e8ba917f0d5e5e1f5e459cc24500feaaf6d8ef622d726295ed4f33f69cd3bb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ba917f0d5e5e1f5e459cc24500feaaf6d8ef622d726295ed4f33f69cd3bb4c", kill_on_drop: false }`
[INFO] [stdout] e8ba917f0d5e5e1f5e459cc24500feaaf6d8ef622d726295ed4f33f69cd3bb4c