[INFO] cloning repository https://github.com/Jasperav/tokio-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jasperav/tokio-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Ftokio-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Ftokio-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94eafbcb8f6054cd3faa0105817faee1c592d415
[INFO] checking Jasperav/tokio-server against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Ftokio-server" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jasperav/tokio-server on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jasperav/tokio-server
[INFO] finished tweaking git repo https://github.com/Jasperav/tokio-server
[INFO] tweaked toml for git repo https://github.com/Jasperav/tokio-server written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Jasperav/tokio-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] ce018ddb44d3102dd080adb1a8cf39a42733e5be96ec5c642c942324de09d1ab
[INFO] running `Command { std: "docker" "start" "-a" "ce018ddb44d3102dd080adb1a8cf39a42733e5be96ec5c642c942324de09d1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce018ddb44d3102dd080adb1a8cf39a42733e5be96ec5c642c942324de09d1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce018ddb44d3102dd080adb1a8cf39a42733e5be96ec5c642c942324de09d1ab", kill_on_drop: false }`
[INFO] [stdout] ce018ddb44d3102dd080adb1a8cf39a42733e5be96ec5c642c942324de09d1ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f75c931b288af0e4d199873ec9cafaedbf521c17a561050de581dadb2ee9cf
[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" "f5f75c931b288af0e4d199873ec9cafaedbf521c17a561050de581dadb2ee9cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking tokio_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: captured variable cannot escape `FnMut` closure body
[INFO] [stdout]   --> src/main.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (mut outgoing, incoming) = ws_stream.split();
[INFO] [stdout]    |            ------------ variable defined here
[INFO] [stdout] 31 | 
[INFO] [stdout] 32 |       incoming.for_each(|m| async {
[INFO] [stdout]    |  _________________________-_^
[INFO] [stdout]    | |                         |
[INFO] [stdout]    | |                         inferred to be a `FnMut` closure
[INFO] [stdout] 33 | |         match m {
[INFO] [stdout] 34 | |             Ok(message) => do_something(message, db, &mut outgoing).await,
[INFO] [stdout]    | |                                                           -------- variable captured here
[INFO] [stdout] 35 | |             Err(e) => panic!(e)
[INFO] [stdout] 36 | |         }
[INFO] [stdout] 37 | |     }).await;
[INFO] [stdout]    | |_____^ returns an `async` block that contains a reference to a captured variable, which then escapes the closure body
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnMut` closures only have access to their captured variables while they are executing...
[INFO] [stdout]    = note: ...therefore, they cannot allow references to captured variables to escape
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: captured variable cannot escape `FnMut` closure body
[INFO] [stdout]   --> src/main.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |       let (mut outgoing, incoming) = ws_stream.split();
[INFO] [stdout]    |            ------------ variable defined here
[INFO] [stdout] 31 | 
[INFO] [stdout] 32 |       incoming.for_each(|m| async {
[INFO] [stdout]    |  _________________________-_^
[INFO] [stdout]    | |                         |
[INFO] [stdout]    | |                         inferred to be a `FnMut` closure
[INFO] [stdout] 33 | |         match m {
[INFO] [stdout] 34 | |             Ok(message) => do_something(message, db, &mut outgoing).await,
[INFO] [stdout]    | |                                                           -------- variable captured here
[INFO] [stdout] 35 | |             Err(e) => panic!(e)
[INFO] [stdout] 36 | |         }
[INFO] [stdout] 37 | |     }).await;
[INFO] [stdout]    | |_____^ returns an `async` block that contains a reference to a captured variable, which then escapes the closure body
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnMut` closures only have access to their captured variables while they are executing...
[INFO] [stdout]    = note: ...therefore, they cannot allow references to captured variables to escape
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio_server`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f5f75c931b288af0e4d199873ec9cafaedbf521c17a561050de581dadb2ee9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f75c931b288af0e4d199873ec9cafaedbf521c17a561050de581dadb2ee9cf", kill_on_drop: false }`
[INFO] [stdout] f5f75c931b288af0e4d199873ec9cafaedbf521c17a561050de581dadb2ee9cf