[INFO] cloning repository https://github.com/y-usuzumi/web-server-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/y-usuzumi/web-server-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy-usuzumi%2Fweb-server-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy-usuzumi%2Fweb-server-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72bb440407614db10dc5ff2f59ceec87d891dd07
[INFO] testing y-usuzumi/web-server-rs against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fy-usuzumi%2Fweb-server-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/y-usuzumi/web-server-rs on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/y-usuzumi/web-server-rs
[INFO] finished tweaking git repo https://github.com/y-usuzumi/web-server-rs
[INFO] tweaked toml for git repo https://github.com/y-usuzumi/web-server-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/y-usuzumi/web-server-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] f75977bf622675ffb489cd95265db22e7055bdf143cb343bba110dc059f00afd
[INFO] running `Command { std: "docker" "start" "-a" "f75977bf622675ffb489cd95265db22e7055bdf143cb343bba110dc059f00afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f75977bf622675ffb489cd95265db22e7055bdf143cb343bba110dc059f00afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75977bf622675ffb489cd95265db22e7055bdf143cb343bba110dc059f00afd", kill_on_drop: false }`
[INFO] [stdout] f75977bf622675ffb489cd95265db22e7055bdf143cb343bba110dc059f00afd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=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" "+1.47.0" "build" "--frozen" "--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] 8f27929d6710039b70d8312d699155c93f75a467435580fad1901d5b7f43f9d4
[INFO] running `Command { std: "docker" "start" "-a" "8f27929d6710039b70d8312d699155c93f75a467435580fad1901d5b7f43f9d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks, box_syntax, trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 |     handlers: HashMap<(String, String), Box<Handler>>
[INFO] [stdout]    |                                             ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0759]: `self` has an anonymous lifetime `'_` but it needs to satisfy a `'static` lifetime requirement
[INFO] [stdout]   --> src/server.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 33 |       pub fn run(&self) {
[INFO] [stdout]    |                  ----- this data with an anonymous lifetime `'_`...
[INFO] [stdout] ...
[INFO] [stdout] 41 |               pool.execute(|| {
[INFO] [stdout]    |  __________________________^
[INFO] [stdout] 42 | |                 self.handle_connection(&mut stream);
[INFO] [stdout] 43 | |             })
[INFO] [stdout]    | |_____________^ ...is captured here...
[INFO] [stdout]    |
[INFO] [stdout] note: ...and is required to live as long as `'static` here
[INFO] [stdout]   --> src/server.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |             pool.execute(|| {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0759.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webserver`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8f27929d6710039b70d8312d699155c93f75a467435580fad1901d5b7f43f9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f27929d6710039b70d8312d699155c93f75a467435580fad1901d5b7f43f9d4", kill_on_drop: false }`
[INFO] [stdout] 8f27929d6710039b70d8312d699155c93f75a467435580fad1901d5b7f43f9d4
