[INFO] cloning repository https://github.com/Arnavion/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arnavion/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnavion%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnavion%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b352ed1f613f971cd28909d89bc5a936b1e4303
[INFO] documenting Arnavion/aoc2020 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%2FArnavion%2Faoc2020" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arnavion/aoc2020 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] removed /workspace/builds/worker-20/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Arnavion/aoc2020
[INFO] finished tweaking git repo https://github.com/Arnavion/aoc2020
[INFO] tweaked toml for git repo https://github.com/Arnavion/aoc2020 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/Arnavion/aoc2020 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 963be1a79658a70b24d0d3ad121935041afe98377ac7823eb3d62226bc1ec43b
[INFO] running `Command { std: "docker" "start" "-a" "963be1a79658a70b24d0d3ad121935041afe98377ac7823eb3d62226bc1ec43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "963be1a79658a70b24d0d3ad121935041afe98377ac7823eb3d62226bc1ec43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963be1a79658a70b24d0d3ad121935041afe98377ac7823eb3d62226bc1ec43b", kill_on_drop: false }`
[INFO] [stdout] 963be1a79658a70b24d0d3ad121935041afe98377ac7823eb3d62226bc1ec43b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] b48563db2c1a0b9ee0451b9f316749dbf2b2e7b2fe8bfa65281daa4652f0309f
[INFO] running `Command { std: "docker" "start" "-a" "b48563db2c1a0b9ee0451b9f316749dbf2b2e7b2fe8bfa65281daa4652f0309f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]  Documenting aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.58s
[INFO] running `Command { std: "docker" "inspect" "b48563db2c1a0b9ee0451b9f316749dbf2b2e7b2fe8bfa65281daa4652f0309f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b48563db2c1a0b9ee0451b9f316749dbf2b2e7b2fe8bfa65281daa4652f0309f", kill_on_drop: false }`
[INFO] [stdout] b48563db2c1a0b9ee0451b9f316749dbf2b2e7b2fe8bfa65281daa4652f0309f