[INFO] cloning repository https://github.com/erochest/lamcour2utf8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erochest/lamcour2utf8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Flamcour2utf8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Flamcour2utf8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6025b2526af98c75e5bac2b3fcb8269fc02b759c
[INFO] documenting erochest/lamcour2utf8 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Flamcour2utf8" "/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/erochest/lamcour2utf8 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/erochest/lamcour2utf8
[INFO] finished tweaking git repo https://github.com/erochest/lamcour2utf8
[INFO] tweaked toml for git repo https://github.com/erochest/lamcour2utf8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/erochest/lamcour2utf8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] cb0fc67e45a39fc45f10e40bd32d12491fd37446dfee91db48845d64ecba58b1
[INFO] running `Command { std: "docker" "start" "-a" "cb0fc67e45a39fc45f10e40bd32d12491fd37446dfee91db48845d64ecba58b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb0fc67e45a39fc45f10e40bd32d12491fd37446dfee91db48845d64ecba58b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0fc67e45a39fc45f10e40bd32d12491fd37446dfee91db48845d64ecba58b1", kill_on_drop: false }`
[INFO] [stdout] cb0fc67e45a39fc45f10e40bd32d12491fd37446dfee91db48845d64ecba58b1
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 1c425d1bad066a810417b30d4d697fc4cc8674c1dd0cb94d216c12b78bda98da
[INFO] running `Command { std: "docker" "start" "-a" "1c425d1bad066a810417b30d4d697fc4cc8674c1dd0cb94d216c12b78bda98da", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]  Documenting lamcour2utf8 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.80s
[INFO] running `Command { std: "docker" "inspect" "1c425d1bad066a810417b30d4d697fc4cc8674c1dd0cb94d216c12b78bda98da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c425d1bad066a810417b30d4d697fc4cc8674c1dd0cb94d216c12b78bda98da", kill_on_drop: false }`
[INFO] [stdout] 1c425d1bad066a810417b30d4d697fc4cc8674c1dd0cb94d216c12b78bda98da
[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=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 949bad55043138a4875f7013dcc155c64fbb3b483f738d98d7cb226cf0c12fc8
[INFO] running `Command { std: "docker" "start" "-a" "949bad55043138a4875f7013dcc155c64fbb3b483f738d98d7cb226cf0c12fc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]  Documenting lamcour2utf8 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.50s
[INFO] running `Command { std: "docker" "inspect" "949bad55043138a4875f7013dcc155c64fbb3b483f738d98d7cb226cf0c12fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949bad55043138a4875f7013dcc155c64fbb3b483f738d98d7cb226cf0c12fc8", kill_on_drop: false }`
[INFO] [stdout] 949bad55043138a4875f7013dcc155c64fbb3b483f738d98d7cb226cf0c12fc8