[INFO] cloning repository https://github.com/hjiayz/todorpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hjiayz/todorpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjiayz%2Ftodorpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjiayz%2Ftodorpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc420f18871b1ffd8e4f155613ceb8e362b61212
[INFO] checking hjiayz/todorpc against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhjiayz%2Ftodorpc" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hjiayz/todorpc on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hjiayz/todorpc
[INFO] finished tweaking git repo https://github.com/hjiayz/todorpc
[INFO] tweaked toml for git repo https://github.com/hjiayz/todorpc written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/hjiayz/todorpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ct-logs v0.6.0
[INFO] [stderr]   Downloaded console_log v0.2.0
[INFO] [stderr]   Downloaded des v0.3.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.3.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.9
[INFO] [stderr]   Downloaded tracing v0.1.16
[INFO] [stderr]   Downloaded quinn-proto v0.6.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.14
[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded quinn v0.6.1
[INFO] [stderr]   Downloaded rustversion v1.0.3
[INFO] [stderr]   Downloaded rc2 v0.3.0
[INFO] [stderr]   Downloaded err-derive v0.2.4
[INFO] [stderr]   Downloaded p12 v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de58650c2f59680bc7c2f7a9d4a5d3c8572cccb9d43a2d2147aaf33bd82ba705
[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" "de58650c2f59680bc7c2f7a9d4a5d3c8572cccb9d43a2d2147aaf33bd82ba705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de58650c2f59680bc7c2f7a9d4a5d3c8572cccb9d43a2d2147aaf33bd82ba705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de58650c2f59680bc7c2f7a9d4a5d3c8572cccb9d43a2d2147aaf33bd82ba705", kill_on_drop: false }`
[INFO] [stdout] de58650c2f59680bc7c2f7a9d4a5d3c8572cccb9d43a2d2147aaf33bd82ba705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 558a56af4379511a451b9f6cda02260e85f9500be8b2ddd53238b1c5b5b1de93
[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" "558a56af4379511a451b9f6cda02260e85f9500be8b2ddd53238b1c5b5b1de93", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.64
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling wasm-bindgen v0.2.64
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking rc2 v0.3.0
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking des v0.3.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking p12 v0.1.4
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.64
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]    Compiling serde_derive v1.0.114
[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]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.64
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking tracing v0.1.16
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking quinn-proto v0.6.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking quinn v0.6.1
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking todorpc v0.1.0 (/opt/rustwide/workdir/todorpc)
[INFO] [stderr]     Checking todorpc_server_core v0.1.0 (/opt/rustwide/workdir/todorpc_server_core)
[INFO] [stderr]     Checking define v0.1.0 (/opt/rustwide/workdir/examples/define)
[INFO] [stderr]     Checking todorpc_client_tcp v0.1.0 (/opt/rustwide/workdir/todorpc_client_tcp)
[INFO] [stderr]     Checking todorpc_client_quic v0.1.0 (/opt/rustwide/workdir/todorpc_client_quic)
[INFO] [stderr]     Checking todorpc_server_websocket v0.1.0 (/opt/rustwide/workdir/todorpc_server_websocket)
[INFO] [stderr]     Checking todorpc_server_quic v0.1.0 (/opt/rustwide/workdir/todorpc_server_quic)
[INFO] [stderr]     Checking todorpc_server_tcp v0.1.0 (/opt/rustwide/workdir/todorpc_server_tcp)
[INFO] [stderr]     Checking quiclient v0.1.0 (/opt/rustwide/workdir/examples/quiclient)
[INFO] [stderr]     Checking tcpclient v0.1.0 (/opt/rustwide/workdir/examples/tcpclient)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/examples/server)
[INFO] [stderr]     Checking js-sys v0.3.41
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.41
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.14
[INFO] [stderr]     Checking console_log v0.2.0
[INFO] [stderr]     Checking todorpc_web v0.1.0 (/opt/rustwide/workdir/todorpc_web)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> todorpc_web/src/lib.rs:178:19
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let (open_tx, mut open_rx) = mpsc::unbounded();
[INFO] [stdout]     |                   ----^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> todorpc_web/src/lib.rs:178:19
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let (open_tx, mut open_rx) = mpsc::unbounded();
[INFO] [stdout]     |                   ----^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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]     Checking wsclient v0.1.0 (/opt/rustwide/workdir/examples/wsclient)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "558a56af4379511a451b9f6cda02260e85f9500be8b2ddd53238b1c5b5b1de93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558a56af4379511a451b9f6cda02260e85f9500be8b2ddd53238b1c5b5b1de93", kill_on_drop: false }`
[INFO] [stdout] 558a56af4379511a451b9f6cda02260e85f9500be8b2ddd53238b1c5b5b1de93