[INFO] updating cached repository https://github.com/hugollm/rust-web-server-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f8ad7145ca5bf0a4806d2c1b6a1b49c45af69b6
[INFO] testing hugollm/rust-web-server-example against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugollm%2Frust-web-server-example" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hugollm/rust-web-server-example on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hugollm/rust-web-server-example
[INFO] finished tweaking git repo https://github.com/hugollm/rust-web-server-example
[INFO] tweaked toml for git repo https://github.com/hugollm/rust-web-server-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hugollm/rust-web-server-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eecb083b30836a61052a82694eb6a23058b0fb44383d9e4fbf8a6e5922e17bb4
[INFO] running `"docker" "start" "-a" "eecb083b30836a61052a82694eb6a23058b0fb44383d9e4fbf8a6e5922e17bb4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-web-server-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `workers`
[INFO] [stderr]   --> src/pool.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     workers: Vec<Worker>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/pool.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `thread`
[INFO] [stderr]   --> src/pool.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     thread: Thread,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "eecb083b30836a61052a82694eb6a23058b0fb44383d9e4fbf8a6e5922e17bb4"`
[INFO] running `"docker" "rm" "-f" "eecb083b30836a61052a82694eb6a23058b0fb44383d9e4fbf8a6e5922e17bb4"`
[INFO] [stdout] eecb083b30836a61052a82694eb6a23058b0fb44383d9e4fbf8a6e5922e17bb4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e463b1ac54ed6daaeaa56deba7b8d18ab4d82eed29c09677b7d5e8e2a62506cf
[INFO] running `"docker" "start" "-a" "e463b1ac54ed6daaeaa56deba7b8d18ab4d82eed29c09677b7d5e8e2a62506cf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-web-server-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never read: `workers`
[INFO] [stderr]   --> src/pool.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     workers: Vec<Worker>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/pool.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `thread`
[INFO] [stderr]   --> src/pool.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     thread: Thread,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "e463b1ac54ed6daaeaa56deba7b8d18ab4d82eed29c09677b7d5e8e2a62506cf"`
[INFO] running `"docker" "rm" "-f" "e463b1ac54ed6daaeaa56deba7b8d18ab4d82eed29c09677b7d5e8e2a62506cf"`
[INFO] [stdout] e463b1ac54ed6daaeaa56deba7b8d18ab4d82eed29c09677b7d5e8e2a62506cf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc003e4bebb25bce8e2df8762275a4c3b0a58e04cbd0c87951791b96f0971e1a
[INFO] running `"docker" "start" "-a" "fc003e4bebb25bce8e2df8762275a4c3b0a58e04cbd0c87951791b96f0971e1a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: field is never read: `workers`
[INFO] [stderr]   --> src/pool.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     workers: Vec<Worker>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/pool.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     id: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `thread`
[INFO] [stderr]   --> src/pool.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     thread: Thread,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_web_server_example-e98d5a80000d24da
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fc003e4bebb25bce8e2df8762275a4c3b0a58e04cbd0c87951791b96f0971e1a"`
[INFO] running `"docker" "rm" "-f" "fc003e4bebb25bce8e2df8762275a4c3b0a58e04cbd0c87951791b96f0971e1a"`
[INFO] [stdout] fc003e4bebb25bce8e2df8762275a4c3b0a58e04cbd0c87951791b96f0971e1a