[INFO] fetching crate doc_link 0.1.0...
[INFO] checking doc_link-0.1.0 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate doc_link 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate doc_link 0.1.0 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90cad88e5044d4c17e8f49970668e3929a2e5c1c3236bc7d039efb53f892d0e8
[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" "90cad88e5044d4c17e8f49970668e3929a2e5c1c3236bc7d039efb53f892d0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90cad88e5044d4c17e8f49970668e3929a2e5c1c3236bc7d039efb53f892d0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cad88e5044d4c17e8f49970668e3929a2e5c1c3236bc7d039efb53f892d0e8", kill_on_drop: false }`
[INFO] [stdout] 90cad88e5044d4c17e8f49970668e3929a2e5c1c3236bc7d039efb53f892d0e8
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4728940528af9062d16fc7d80c562afd59da60fa323d477a50d378f8d93a66f5
[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" "4728940528af9062d16fc7d80c562afd59da60fa323d477a50d378f8d93a66f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]     Checking doc_link v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.49s
[INFO] running `Command { std: "docker" "inspect" "4728940528af9062d16fc7d80c562afd59da60fa323d477a50d378f8d93a66f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4728940528af9062d16fc7d80c562afd59da60fa323d477a50d378f8d93a66f5", kill_on_drop: false }`
[INFO] [stdout] 4728940528af9062d16fc7d80c562afd59da60fa323d477a50d378f8d93a66f5