[INFO] cloning repository https://github.com/kasvith/hermes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kasvith/hermes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasvith%2Fhermes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasvith%2Fhermes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4caa23915d1fc7eecd32e52034428435c2c2f578
[INFO] testing kasvith/hermes against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasvith%2Fhermes" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kasvith/hermes on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kasvith/hermes
[INFO] finished tweaking git repo https://github.com/kasvith/hermes
[INFO] tweaked toml for git repo https://github.com/kasvith/hermes written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/kasvith/hermes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.1
[INFO] [stderr]   Downloaded futures-core v0.3.5
[INFO] [stderr]   Downloaded pin-project-lite v0.1.7
[INFO] [stderr]   Downloaded arc-swap v0.4.7
[INFO] [stderr]   Downloaded tokio v0.2.22
[INFO] [stderr]   Downloaded proc-macro2 v1.0.20
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6b3d0f841941831c52ede80fe3e4bb66648743f56f26a514d41197aedeaa2f4
[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" "c6b3d0f841941831c52ede80fe3e4bb66648743f56f26a514d41197aedeaa2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6b3d0f841941831c52ede80fe3e4bb66648743f56f26a514d41197aedeaa2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b3d0f841941831c52ede80fe3e4bb66648743f56f26a514d41197aedeaa2f4", kill_on_drop: false }`
[INFO] [stdout] c6b3d0f841941831c52ede80fe3e4bb66648743f56f26a514d41197aedeaa2f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c454995c53a3553e233724e8b3c3254c049b88e36b3b46955165073288f47691
[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" "c454995c53a3553e233724e8b3c3254c049b88e36b3b46955165073288f47691", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling mqtt v0.1.0 (/opt/rustwide/workdir/mqtt)
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> mqtt/src/packet/mod.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `fixed_header` on type `&PacketType`
[INFO] [stdout]   --> mqtt/src/packet/mod.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         match self.fixed_header >> 4 {
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0609`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mqtt`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c454995c53a3553e233724e8b3c3254c049b88e36b3b46955165073288f47691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c454995c53a3553e233724e8b3c3254c049b88e36b3b46955165073288f47691", kill_on_drop: false }`
[INFO] [stdout] c454995c53a3553e233724e8b3c3254c049b88e36b3b46955165073288f47691