[INFO] cloning repository https://github.com/pundemia-dev/lvl3_calc_methods_lab1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pundemia-dev/lvl3_calc_methods_lab1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpundemia-dev%2Flvl3_calc_methods_lab1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpundemia-dev%2Flvl3_calc_methods_lab1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae144b23a3e42ab4c0d4c5b34283c4ed54664e83
[INFO] documenting pundemia-dev/lvl3_calc_methods_lab1 against 1.100.0-beta.1 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpundemia-dev%2Flvl3_calc_methods_lab1" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pundemia-dev/lvl3_calc_methods_lab1
[INFO] finished tweaking git repo https://github.com/pundemia-dev/lvl3_calc_methods_lab1
[INFO] tweaked toml for git repo https://github.com/pundemia-dev/lvl3_calc_methods_lab1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pundemia-dev/lvl3_calc_methods_lab1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pundemia-dev/lvl3_calc_methods_lab1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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
[ERROR] error running command: no output for 300 seconds
[INFO] documenting pundemia-dev/lvl3_calc_methods_lab1 against 1.100.0-beta.1 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpundemia-dev%2Flvl3_calc_methods_lab1" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pundemia-dev/lvl3_calc_methods_lab1
[INFO] finished tweaking git repo https://github.com/pundemia-dev/lvl3_calc_methods_lab1
[INFO] tweaked toml for git repo https://github.com/pundemia-dev/lvl3_calc_methods_lab1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pundemia-dev/lvl3_calc_methods_lab1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pundemia-dev/lvl3_calc_methods_lab1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ea302010c2bbf077149f7b85bda038ff7e0dff3a9eacafb1e286c737bbdbdb6d
[INFO] running `Command { std: "docker" "start" "ea302010c2bbf077149f7b85bda038ff7e0dff3a9eacafb1e286c737bbdbdb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea302010c2bbf077149f7b85bda038ff7e0dff3a9eacafb1e286c737bbdbdb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ea302010c2bbf077149f7b85bda038ff7e0dff3a9eacafb1e286c737bbdbdb6d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea302010c2bbf077149f7b85bda038ff7e0dff3a9eacafb1e286c737bbdbdb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ea302010c2bbf077149f7b85bda038ff7e0dff3a9eacafb1e286c737bbdbdb6d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting lab1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |             for attempt in (1..len) {
[INFO] [stdout]    |                            ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -             for attempt in (1..len) {
[INFO] [stdout] 82 +             for attempt in 1..len {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/lab1/index.html
[INFO] running `Command { std: "docker" "inspect" "ea302010c2bbf077149f7b85bda038ff7e0dff3a9eacafb1e286c737bbdbdb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea302010c2bbf077149f7b85bda038ff7e0dff3a9eacafb1e286c737bbdbdb6d", kill_on_drop: false }`
[INFO] [stdout] ea302010c2bbf077149f7b85bda038ff7e0dff3a9eacafb1e286c737bbdbdb6d
