[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 against master#9ba3d315b4b2bea7485071eaf4b2681320cd2a27 for pr-124592
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrham408%2Fmqtt" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avrham408/mqtt on toolchain 9ba3d315b4b2bea7485071eaf4b2681320cd2a27
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "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-4-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" "+9ba3d315b4b2bea7485071eaf4b2681320cd2a27" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking avrham408/mqtt against try#2466b92ed5feb282a98bb984f45d1e6d39f8c1aa for pr-124592
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favrham408%2Fmqtt" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avrham408/mqtt on toolchain 2466b92ed5feb282a98bb984f45d1e6d39f8c1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "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-4-tc2/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" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7abd0bfe891832b5b5061727f9f929c73c3866cebaffeea420e9bd140753c468
[INFO] running `Command { std: "docker" "start" "-a" "7abd0bfe891832b5b5061727f9f929c73c3866cebaffeea420e9bd140753c468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7abd0bfe891832b5b5061727f9f929c73c3866cebaffeea420e9bd140753c468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abd0bfe891832b5b5061727f9f929c73c3866cebaffeea420e9bd140753c468", kill_on_drop: false }`
[INFO] [stdout] 7abd0bfe891832b5b5061727f9f929c73c3866cebaffeea420e9bd140753c468
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+2466b92ed5feb282a98bb984f45d1e6d39f8c1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2b97442d58f2e23d8bf889f0d49096bde81e164047ad14d9ab3026666d34d4f
[INFO] running `Command { std: "docker" "start" "-a" "f2b97442d58f2e23d8bf889f0d49096bde81e164047ad14d9ab3026666d34d4f", 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]    |                                        ^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        variant or associated item not found in `Packet`
[INFO] [stdout]    |                                        help: there is a variant with a similar name: `Connnack`
[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]    |                                        ^^^^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        variant or associated item not found in `Packet`
[INFO] [stdout]    |                                        help: there is a variant with a similar name: `Connnack`
[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" "f2b97442d58f2e23d8bf889f0d49096bde81e164047ad14d9ab3026666d34d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b97442d58f2e23d8bf889f0d49096bde81e164047ad14d9ab3026666d34d4f", kill_on_drop: false }`
[INFO] [stdout] f2b97442d58f2e23d8bf889f0d49096bde81e164047ad14d9ab3026666d34d4f