[INFO] cloning repository https://github.com/noamkatzir/express.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noamkatzir/express.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoamkatzir%2Fexpress.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoamkatzir%2Fexpress.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 313044e2ea5a810393fa7b926895151f5d5a4eda
[INFO] documenting noamkatzir/express.rs against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoamkatzir%2Fexpress.rs" "/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/noamkatzir/express.rs on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noamkatzir/express.rs
[INFO] finished tweaking git repo https://github.com/noamkatzir/express.rs
[INFO] tweaked toml for git repo https://github.com/noamkatzir/express.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/noamkatzir/express.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2956df9cc7a4451ae33f0dd8ea1f1262c821a6dd4ccf4a9c66b6f69e5454fd
[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" "fa2956df9cc7a4451ae33f0dd8ea1f1262c821a6dd4ccf4a9c66b6f69e5454fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2956df9cc7a4451ae33f0dd8ea1f1262c821a6dd4ccf4a9c66b6f69e5454fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2956df9cc7a4451ae33f0dd8ea1f1262c821a6dd4ccf4a9c66b6f69e5454fd", kill_on_drop: false }`
[INFO] [stdout] fa2956df9cc7a4451ae33f0dd8ea1f1262c821a6dd4ccf4a9c66b6f69e5454fd
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 84651c2eff05bd0bb466c313bfafc59f6949f157319cb9d231c6cc148a22ac5a
[INFO] running `Command { std: "docker" "start" "-a" "84651c2eff05bd0bb466c313bfafc59f6949f157319cb9d231c6cc148a22ac5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]  Documenting express v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/acceptor.rs:136:57
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn parse_http_request(stream: &mut TcpStream) -> Result<(RequestBuilder),u8> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.00s
[INFO] running `Command { std: "docker" "inspect" "84651c2eff05bd0bb466c313bfafc59f6949f157319cb9d231c6cc148a22ac5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84651c2eff05bd0bb466c313bfafc59f6949f157319cb9d231c6cc148a22ac5a", kill_on_drop: false }`
[INFO] [stdout] 84651c2eff05bd0bb466c313bfafc59f6949f157319cb9d231c6cc148a22ac5a