[INFO] cloning repository https://github.com/total70/rust-webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/total70/rust-webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotal70%2Frust-webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotal70%2Frust-webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb05a90c61818200e0b335863fef8bd358b5a39e
[INFO] checking total70/rust-webserver against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotal70%2Frust-webserver" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/total70/rust-webserver on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/total70/rust-webserver
[INFO] finished tweaking git repo https://github.com/total70/rust-webserver
[INFO] tweaked toml for git repo https://github.com/total70/rust-webserver written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/total70/rust-webserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.83
[INFO] [stderr]   Downloaded tokio v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 274523b12254256ad5de1c0cac3c29c0eabf8cd143853590f5bc8534fa9bec6d
[INFO] running `Command { std: "docker" "start" "-a" "274523b12254256ad5de1c0cac3c29c0eabf8cd143853590f5bc8534fa9bec6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "274523b12254256ad5de1c0cac3c29c0eabf8cd143853590f5bc8534fa9bec6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274523b12254256ad5de1c0cac3c29c0eabf8cd143853590f5bc8534fa9bec6d", kill_on_drop: false }`
[INFO] [stdout] 274523b12254256ad5de1c0cac3c29c0eabf8cd143853590f5bc8534fa9bec6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b92ca1704c0ec9ba9325da0e3a8540ac851fbd65da7a18bc283e87fffb30358
[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" "8b92ca1704c0ec9ba9325da0e3a8540ac851fbd65da7a18bc283e87fffb30358", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking headers v0.3.3
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking tokio-util v0.6.2
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking warp v0.3.0
[INFO] [stderr]     Checking rust-webserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `client_ws_rcv`
[INFO] [stdout]  --> src/websocket/connection.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let (client_ws_sender, client_ws_rcv) = ws.split();
[INFO] [stdout]   |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_ws_rcv`
[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: unused variable: `client_ws_rcv`
[INFO] [stdout]  --> src/websocket/connection.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let (client_ws_sender, client_ws_rcv) = ws.split();
[INFO] [stdout]   |                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_client_ws_rcv`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "8b92ca1704c0ec9ba9325da0e3a8540ac851fbd65da7a18bc283e87fffb30358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b92ca1704c0ec9ba9325da0e3a8540ac851fbd65da7a18bc283e87fffb30358", kill_on_drop: false }`
[INFO] [stdout] 8b92ca1704c0ec9ba9325da0e3a8540ac851fbd65da7a18bc283e87fffb30358