[INFO] cloning repository https://github.com/RustamIbragimov/advent_of_code_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustamIbragimov/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustamIbragimov%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustamIbragimov%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc2195e2778cfa21f41e78d860734cc2fca532b0
[INFO] documenting RustamIbragimov/advent_of_code_2020 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%2FRustamIbragimov%2Fadvent_of_code_2020" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustamIbragimov/advent_of_code_2020 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] started tweaking git repo https://github.com/RustamIbragimov/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/RustamIbragimov/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/RustamIbragimov/advent_of_code_2020 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/RustamIbragimov/advent_of_code_2020 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] [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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] [stdout] ff916cba1bc6b078f52db933bb0c7004d48996326a5da9dc8af29811ab937985
[INFO] running `Command { std: "docker" "start" "-a" "ff916cba1bc6b078f52db933bb0c7004d48996326a5da9dc8af29811ab937985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff916cba1bc6b078f52db933bb0c7004d48996326a5da9dc8af29811ab937985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff916cba1bc6b078f52db933bb0c7004d48996326a5da9dc8af29811ab937985", kill_on_drop: false }`
[INFO] [stdout] ff916cba1bc6b078f52db933bb0c7004d48996326a5da9dc8af29811ab937985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] [stdout] 4616df8203f158716ecd909cc750d03b6da5186fc7c19cc02b046c1732df470e
[INFO] running `Command { std: "docker" "start" "-a" "4616df8203f158716ecd909cc750d03b6da5186fc7c19cc02b046c1732df470e", kill_on_drop: false }`
[INFO] [stderr]  Documenting advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: label name `'outer` shadows a label name that is already in scope
[INFO] [stdout]   --> src/bin/day1.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     'outer: for i in 0..n {
[INFO] [stdout]    |     ------ first declared here
[INFO] [stdout] ...
[INFO] [stdout] 25 |     'outer: for i in 0..n {
[INFO] [stdout]    |     ^^^^^^ label `'outer` already in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.38s
[INFO] running `Command { std: "docker" "inspect" "4616df8203f158716ecd909cc750d03b6da5186fc7c19cc02b046c1732df470e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4616df8203f158716ecd909cc750d03b6da5186fc7c19cc02b046c1732df470e", kill_on_drop: false }`
[INFO] [stdout] 4616df8203f158716ecd909cc750d03b6da5186fc7c19cc02b046c1732df470e