[INFO] cloning repository https://github.com/haribo0915/eventual-queue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haribo0915/eventual-queue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharibo0915%2Feventual-queue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharibo0915%2Feventual-queue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a59c8cbb3594f78cbf1f875dc44c02b4d7faa3c2
[INFO] testing haribo0915/eventual-queue against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharibo0915%2Feventual-queue" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/haribo0915/eventual-queue on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/haribo0915/eventual-queue
[INFO] finished tweaking git repo https://github.com/haribo0915/eventual-queue
[INFO] tweaked toml for git repo https://github.com/haribo0915/eventual-queue written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/haribo0915/eventual-queue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b9f0dadffbf49e9c43d27651daa8bb8b05ced3979220277721ca57ea46c257c
[INFO] running `Command { std: "docker" "start" "-a" "3b9f0dadffbf49e9c43d27651daa8bb8b05ced3979220277721ca57ea46c257c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b9f0dadffbf49e9c43d27651daa8bb8b05ced3979220277721ca57ea46c257c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9f0dadffbf49e9c43d27651daa8bb8b05ced3979220277721ca57ea46c257c", kill_on_drop: false }`
[INFO] [stdout] 3b9f0dadffbf49e9c43d27651daa8bb8b05ced3979220277721ca57ea46c257c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99671b57b78266729f155a145b59c0020423add1f9f03a8d8313cbfbffc7fee5
[INFO] running `Command { std: "docker" "start" "-a" "99671b57b78266729f155a145b59c0020423add1f9f03a8d8313cbfbffc7fee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
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[INFO] [stderr]    Compiling serde_derive v1.0.126
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[INFO] [stderr]    Compiling num_cpus v1.13.0
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[INFO] [stderr]    Compiling pnet_sys v0.27.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling aes-gcm v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling yasna v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling zenoh v0.5.0-dev (https://github.com/eclipse-zenoh/zenoh.git?rev=471f485acf883f27da06318b57b65291050aecfa#471f485a)
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ct-logs v0.8.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rcgen v0.8.11
[INFO] [stderr]    Compiling shared_memory v0.11.4
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling git-version v0.3.4
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling async-process v1.1.0
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling async-rustls v0.2.0
[INFO] [stderr]    Compiling quinn-proto v0.7.3
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling quinn v0.7.2
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling ipnetwork v0.17.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_qs v0.7.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling pnet_datalink v0.27.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]    Compiling uhlc v0.2.1
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]    Compiling pnet_transport v0.27.2
[INFO] [stderr]    Compiling zenoh-util v0.5.0-dev (https://github.com/eclipse-zenoh/zenoh.git?rev=471f485acf883f27da06318b57b65291050aecfa#471f485a)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/zenoh-cc237f2570fab813/471f485/zenoh/src/lib.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | #![feature(async_closure)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/zenoh-cc237f2570fab813/471f485/zenoh/src/lib.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | #![feature(map_into_keys_values)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/zenoh-cc237f2570fab813/471f485/zenoh/src/lib.rs:86:1
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![feature(can_vector)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zenoh` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "99671b57b78266729f155a145b59c0020423add1f9f03a8d8313cbfbffc7fee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99671b57b78266729f155a145b59c0020423add1f9f03a8d8313cbfbffc7fee5", kill_on_drop: false }`
[INFO] [stdout] 99671b57b78266729f155a145b59c0020423add1f9f03a8d8313cbfbffc7fee5