[INFO] cloning repository https://github.com/storopoli/bibjoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/storopoli/bibjoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoropoli%2Fbibjoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoropoli%2Fbibjoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2559f22a225e972ac5d4900d04c5068f54d8d498
[INFO] documenting storopoli/bibjoin against 1.55.0 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoropoli%2Fbibjoin" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/storopoli/bibjoin on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/storopoli/bibjoin
[INFO] finished tweaking git repo https://github.com/storopoli/bibjoin
[INFO] tweaked toml for git repo https://github.com/storopoli/bibjoin written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/storopoli/bibjoin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 142e205dafbc8893811171ed71367dc37a67fa435bdbf620596ce8756883d158
[INFO] running `Command { std: "docker" "start" "-a" "142e205dafbc8893811171ed71367dc37a67fa435bdbf620596ce8756883d158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "142e205dafbc8893811171ed71367dc37a67fa435bdbf620596ce8756883d158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142e205dafbc8893811171ed71367dc37a67fa435bdbf620596ce8756883d158", kill_on_drop: false }`
[INFO] [stdout] 142e205dafbc8893811171ed71367dc37a67fa435bdbf620596ce8756883d158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d15c0c0441a37cc7ea819ea02a5a8046858a32cda211d57326ddb648bdf36e
[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" "37d15c0c0441a37cc7ea819ea02a5a8046858a32cda211d57326ddb648bdf36e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking simdutf8 v0.1.3
[INFO] [stderr]    Compiling num-bigint v0.4.1
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking ahash v0.7.4
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking lexical v5.2.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking num-rational v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_json v1.0.67
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling multiversion-macros v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]     Checking multiversion v0.6.1
[INFO] [stderr]     Checking clap v3.0.0-beta.4
[INFO] [stderr]     Checking arrow v5.2.0
[INFO] [stderr]     Checking polars-arrow v0.15.1
[INFO] [stderr]     Checking polars-core v0.15.1
[INFO] [stderr]     Checking polars-io v0.15.1
[INFO] [stderr]     Checking polars-lazy v0.15.1
[INFO] [stderr]     Checking polars v0.15.1
[INFO] [stderr]  Documenting bibjoin v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.81s
[INFO] running `Command { std: "docker" "inspect" "37d15c0c0441a37cc7ea819ea02a5a8046858a32cda211d57326ddb648bdf36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d15c0c0441a37cc7ea819ea02a5a8046858a32cda211d57326ddb648bdf36e", kill_on_drop: false }`
[INFO] [stdout] 37d15c0c0441a37cc7ea819ea02a5a8046858a32cda211d57326ddb648bdf36e