[INFO] cloning repository https://github.com/evilmurries/tinyserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evilmurries/tinyserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevilmurries%2Ftinyserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevilmurries%2Ftinyserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ff7cf3e8ecb91ea946050cce57bf2227dcc5973
[INFO] checking evilmurries/tinyserver against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevilmurries%2Ftinyserver" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evilmurries/tinyserver on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/evilmurries/tinyserver
[INFO] finished tweaking git repo https://github.com/evilmurries/tinyserver
[INFO] tweaked toml for git repo https://github.com/evilmurries/tinyserver written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/evilmurries/tinyserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0c7f6cb43b0e226702cf57ee5efc5d98d27e4040f54fc5a8d788b5484bfe00a
[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" "e0c7f6cb43b0e226702cf57ee5efc5d98d27e4040f54fc5a8d788b5484bfe00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0c7f6cb43b0e226702cf57ee5efc5d98d27e4040f54fc5a8d788b5484bfe00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0c7f6cb43b0e226702cf57ee5efc5d98d27e4040f54fc5a8d788b5484bfe00a", kill_on_drop: false }`
[INFO] [stdout] e0c7f6cb43b0e226702cf57ee5efc5d98d27e4040f54fc5a8d788b5484bfe00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56d767e848ff554bcb5d6772c82b24e8da7fcd8d7a5ea28b4cfc0b51aeeb942d
[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" "56d767e848ff554bcb5d6772c82b24e8da7fcd8d7a5ea28b4cfc0b51aeeb942d", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking tinyserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let server = builder.serve(|| {
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let server = builder.serve(|| {
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "56d767e848ff554bcb5d6772c82b24e8da7fcd8d7a5ea28b4cfc0b51aeeb942d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d767e848ff554bcb5d6772c82b24e8da7fcd8d7a5ea28b4cfc0b51aeeb942d", kill_on_drop: false }`
[INFO] [stdout] 56d767e848ff554bcb5d6772c82b24e8da7fcd8d7a5ea28b4cfc0b51aeeb942d