[INFO] cloning repository https://github.com/avrham408/mqtt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avrham408/mqtt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrham408%2Fmqtt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrham408%2Fmqtt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28edb4e76bfeb6502ff1d29b2b6856b819e1fcd8
[INFO] checking avrham408/mqtt/28edb4e76bfeb6502ff1d29b2b6856b819e1fcd8 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrham408%2Fmqtt" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avrham408/mqtt on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/avrham408/mqtt
[INFO] finished tweaking git repo https://github.com/avrham408/mqtt
[INFO] tweaked toml for git repo https://github.com/avrham408/mqtt written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/avrham408/mqtt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52b38e48743dcad9a0d4b9c6b49d5a4a8af0764a643f1a421ab064f47443f746
[INFO] running `Command { std: "docker" "start" "-a" "52b38e48743dcad9a0d4b9c6b49d5a4a8af0764a643f1a421ab064f47443f746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52b38e48743dcad9a0d4b9c6b49d5a4a8af0764a643f1a421ab064f47443f746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b38e48743dcad9a0d4b9c6b49d5a4a8af0764a643f1a421ab064f47443f746", kill_on_drop: false }`
[INFO] [stdout] 52b38e48743dcad9a0d4b9c6b49d5a4a8af0764a643f1a421ab064f47443f746
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76a1c749ae031239e519250da600e8d43f5f92df626add43d3f693577b1c7a77
[INFO] running `Command { std: "docker" "start" "-a" "76a1c749ae031239e519250da600e8d43f5f92df626add43d3f693577b1c7a77", kill_on_drop: false }`
[INFO] [stderr]     Checking mqtt_protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no variant or associated item named `Connack` found for enum `protocol::Packet` in the current scope
[INFO] [stdout]   --> src/protocol.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub enum Packet {
[INFO] [stdout]    | --------------- variant or associated item `Connack` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |             CONNACK_BYTE => Ok(Packet::Connack(*Connack::parse(buf, header_flags)?)),
[INFO] [stdout]    |                                        ^^^^^^^ variant or associated item not found in `Packet`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a variant with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 40 |             CONNACK_BYTE => Ok(Packet::Connnack(*Connack::parse(buf, header_flags)?)),
[INFO] [stdout]    |                                        ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Connack` found for enum `protocol::Packet` in the current scope
[INFO] [stdout]   --> src/protocol.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub enum Packet {
[INFO] [stdout]    | --------------- variant or associated item `Connack` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |             CONNACK_BYTE => Ok(Packet::Connack(*Connack::parse(buf, header_flags)?)),
[INFO] [stdout]    |                                        ^^^^^^^ variant or associated item not found in `Packet`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a variant with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 40 |             CONNACK_BYTE => Ok(Packet::Connnack(*Connack::parse(buf, header_flags)?)),
[INFO] [stdout]    |                                        ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `start_pos` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/protocol.rs:215:46
[INFO] [stdout]     |
[INFO] [stdout] 215 |         return Ok(Box::new(Self::unpack(buf, &mut start_pos, header_flags)?));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let mut start_pos = 1;
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0596, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt_protocol` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0596]: cannot borrow `start_pos` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/protocol.rs:215:46
[INFO] [stdout]     |
[INFO] [stdout] 215 |         return Ok(Box::new(Self::unpack(buf, &mut start_pos, header_flags)?));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let mut start_pos = 1;
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0596, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt_protocol` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "76a1c749ae031239e519250da600e8d43f5f92df626add43d3f693577b1c7a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a1c749ae031239e519250da600e8d43f5f92df626add43d3f693577b1c7a77", kill_on_drop: false }`
[INFO] [stdout] 76a1c749ae031239e519250da600e8d43f5f92df626add43d3f693577b1c7a77