[INFO] fetching crate ws-protocol 0.3.0...
[INFO] checking ws-protocol-0.3.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate ws-protocol 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ws-protocol 0.3.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ws-protocol 0.3.0
[INFO] finished tweaking crates.io crate ws-protocol 0.3.0
[INFO] tweaked toml for crates.io crate ws-protocol 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ws-protocol 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c699cf271e98348736287c9c568a0f9d04f50c5190292727c00cf55e67f4449
[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" "9c699cf271e98348736287c9c568a0f9d04f50c5190292727c00cf55e67f4449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c699cf271e98348736287c9c568a0f9d04f50c5190292727c00cf55e67f4449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c699cf271e98348736287c9c568a0f9d04f50c5190292727c00cf55e67f4449", kill_on_drop: false }`
[INFO] [stdout] 9c699cf271e98348736287c9c568a0f9d04f50c5190292727c00cf55e67f4449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc98bd17cf4159704218e93a68823df082bdfd25703e35b241a87c6d3d32ad85
[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" "cc98bd17cf4159704218e93a68823df082bdfd25703e35b241a87c6d3d32ad85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking ws-protocol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:31:13
[INFO] [stdout]     |
[INFO] [stdout] 31  |             _ => panic!(),
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 184 |         let fin_rsv_opcode: u8 = (get_fin_enum_value!(fin) << 7) | (get_opcode_enum_value!(opcode));
[INFO] [stdout]     |                                   ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `get_fin_enum_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:85:13
[INFO] [stdout]     |
[INFO] [stdout] 85  |             _ => panic!(),
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 184 |         let fin_rsv_opcode: u8 = (get_fin_enum_value!(fin) << 7) | (get_opcode_enum_value!(opcode));
[INFO] [stdout]     |                                                                     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `get_opcode_enum_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]    --> src/lib.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |     index += temp_payload_length;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:31:13
[INFO] [stdout]     |
[INFO] [stdout] 31  |             _ => panic!(),
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 184 |         let fin_rsv_opcode: u8 = (get_fin_enum_value!(fin) << 7) | (get_opcode_enum_value!(opcode));
[INFO] [stdout]     |                                   ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `get_fin_enum_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:85:13
[INFO] [stdout]     |
[INFO] [stdout] 85  |             _ => panic!(),
[INFO] [stdout]     |             ^
[INFO] [stdout] ...
[INFO] [stdout] 184 |         let fin_rsv_opcode: u8 = (get_fin_enum_value!(fin) << 7) | (get_opcode_enum_value!(opcode));
[INFO] [stdout]     |                                                                     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `get_opcode_enum_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `index` is never read
[INFO] [stdout]    --> src/lib.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 300 |     index += temp_payload_length;
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.07s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc98bd17cf4159704218e93a68823df082bdfd25703e35b241a87c6d3d32ad85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc98bd17cf4159704218e93a68823df082bdfd25703e35b241a87c6d3d32ad85", kill_on_drop: false }`
[INFO] [stdout] cc98bd17cf4159704218e93a68823df082bdfd25703e35b241a87c6d3d32ad85