[INFO] cloning repository https://github.com/dustlang/miri
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustlang/miri" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fmiri", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fmiri'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12dac5c0f7acd106401aa14fec758f0ff552f678
[INFO] documenting dustlang/miri against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustlang%2Fmiri" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustlang/miri on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dustlang/miri
[INFO] finished tweaking git repo https://github.com/dustlang/miri
[INFO] tweaked toml for git repo https://github.com/dustlang/miri written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dustlang/miri already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0ad4e3434b08a7cbb512cc67541fac66640f2b60880edd719fec48d7a28326a2
[INFO] running `Command { std: "docker" "start" "-a" "0ad4e3434b08a7cbb512cc67541fac66640f2b60880edd719fec48d7a28326a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ad4e3434b08a7cbb512cc67541fac66640f2b60880edd719fec48d7a28326a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad4e3434b08a7cbb512cc67541fac66640f2b60880edd719fec48d7a28326a2", kill_on_drop: false }`
[INFO] [stdout] 0ad4e3434b08a7cbb512cc67541fac66640f2b60880edd719fec48d7a28326a2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5f747fad465b1c7c19789f30972ec2561cd31a1e8b6d43d876894c4a7d250dd
[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" "a5f747fad465b1c7c19789f30972ec2561cd31a1e8b6d43d876894c4a7d250dd", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting miri v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rustc_apfloat`
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate rustc_apfloat;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `miri`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name miri src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-f1fc54e4d1936d9d.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-86fdbc1505379117.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-0d870bc7fdc49f01.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-6a9346099f36ff33.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ad9dab5804e289b3.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-246d96094b2dbb04.rmeta --extern rustc_workspace_hack=/opt/rustwide/target/debug/deps/librustc_workspace_hack-cd69959e5925b6e5.rmeta --extern shell_escape=/opt/rustwide/target/debug/deps/libshell_escape-9ce62a9bb5992219.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-de7f56ab4e99a822.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a5f747fad465b1c7c19789f30972ec2561cd31a1e8b6d43d876894c4a7d250dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f747fad465b1c7c19789f30972ec2561cd31a1e8b6d43d876894c4a7d250dd", kill_on_drop: false }`
[INFO] [stdout] a5f747fad465b1c7c19789f30972ec2561cd31a1e8b6d43d876894c4a7d250dd
