[INFO] fetching crate doc_link 0.1.0...
[INFO] checking doc_link-0.1.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate doc_link 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate doc_link 0.1.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate doc_link 0.1.0
[INFO] finished tweaking crates.io crate doc_link 0.1.0
[INFO] tweaked toml for crates.io crate doc_link 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb6b136d36fca14c7fa9d17e9054e1d9e3eac98bcc861c95272803bf7dc777f5
[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" "bb6b136d36fca14c7fa9d17e9054e1d9e3eac98bcc861c95272803bf7dc777f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb6b136d36fca14c7fa9d17e9054e1d9e3eac98bcc861c95272803bf7dc777f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6b136d36fca14c7fa9d17e9054e1d9e3eac98bcc861c95272803bf7dc777f5", kill_on_drop: false }`
[INFO] [stdout] bb6b136d36fca14c7fa9d17e9054e1d9e3eac98bcc861c95272803bf7dc777f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1e3add51ec5a402a2f000773fee0bde62732a839d98b58efea09a88728345a9
[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" "d1e3add51ec5a402a2f000773fee0bde62732a839d98b58efea09a88728345a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling serde_yaml v0.8.19
[INFO] [stderr]    Compiling doc_link v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.18s
[INFO] running `Command { std: "docker" "inspect" "d1e3add51ec5a402a2f000773fee0bde62732a839d98b58efea09a88728345a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e3add51ec5a402a2f000773fee0bde62732a839d98b58efea09a88728345a9", kill_on_drop: false }`
[INFO] [stdout] d1e3add51ec5a402a2f000773fee0bde62732a839d98b58efea09a88728345a9