[INFO] cloning repository https://github.com/ishitatsuyuki/egraph-type-inference
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ishitatsuyuki/egraph-type-inference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishitatsuyuki%2Fegraph-type-inference", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishitatsuyuki%2Fegraph-type-inference'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67c34570d9d6e871818261601499f0044e9d18e1
[INFO] documenting ishitatsuyuki/egraph-type-inference against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishitatsuyuki%2Fegraph-type-inference" "/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/ishitatsuyuki/egraph-type-inference on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ishitatsuyuki/egraph-type-inference
[INFO] finished tweaking git repo https://github.com/ishitatsuyuki/egraph-type-inference
[INFO] tweaked toml for git repo https://github.com/ishitatsuyuki/egraph-type-inference written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ishitatsuyuki/egraph-type-inference already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-lock v2.0.0
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded logos-derive v0.12.0
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] [stderr]   Downloaded logos v0.12.0
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc83e1cb034f50e9f632d3e4791fa72c61c766763f871d7a7cbb66ce91203f1
[INFO] running `Command { std: "docker" "start" "-a" "2fc83e1cb034f50e9f632d3e4791fa72c61c766763f871d7a7cbb66ce91203f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc83e1cb034f50e9f632d3e4791fa72c61c766763f871d7a7cbb66ce91203f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc83e1cb034f50e9f632d3e4791fa72c61c766763f871d7a7cbb66ce91203f1", kill_on_drop: false }`
[INFO] [stdout] 2fc83e1cb034f50e9f632d3e4791fa72c61c766763f871d7a7cbb66ce91203f1
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78d497d30c77157c6c03690a506b0ffb5f5336c51e9184f2d85cd3515f81eefe
[INFO] running `Command { std: "docker" "start" "-a" "78d497d30c77157c6c03690a506b0ffb5f5336c51e9184f2d85cd3515f81eefe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]  Documenting typeinference v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.30s
[INFO] running `Command { std: "docker" "inspect" "78d497d30c77157c6c03690a506b0ffb5f5336c51e9184f2d85cd3515f81eefe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d497d30c77157c6c03690a506b0ffb5f5336c51e9184f2d85cd3515f81eefe", kill_on_drop: false }`
[INFO] [stdout] 78d497d30c77157c6c03690a506b0ffb5f5336c51e9184f2d85cd3515f81eefe