[INFO] cloning repository https://github.com/ducc/crdb-changefeed-publisher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ducc/crdb-changefeed-publisher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducc%2Fcrdb-changefeed-publisher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducc%2Fcrdb-changefeed-publisher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2ac687807b6b683829d688e8214f76489f3fff6
[INFO] testing ducc/crdb-changefeed-publisher against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducc%2Fcrdb-changefeed-publisher" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ducc/crdb-changefeed-publisher on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ducc/crdb-changefeed-publisher
[INFO] finished tweaking git repo https://github.com/ducc/crdb-changefeed-publisher
[INFO] tweaked toml for git repo https://github.com/ducc/crdb-changefeed-publisher written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ducc/crdb-changefeed-publisher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95a2ed8c37f89d03c24437e3302a9bd0ffa7b6e2bbe217ec19da1f1d3e8bebd5
[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" "95a2ed8c37f89d03c24437e3302a9bd0ffa7b6e2bbe217ec19da1f1d3e8bebd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a2ed8c37f89d03c24437e3302a9bd0ffa7b6e2bbe217ec19da1f1d3e8bebd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a2ed8c37f89d03c24437e3302a9bd0ffa7b6e2bbe217ec19da1f1d3e8bebd5", kill_on_drop: false }`
[INFO] [stdout] 95a2ed8c37f89d03c24437e3302a9bd0ffa7b6e2bbe217ec19da1f1d3e8bebd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6af37a23716d23742fc2c33d1a1a3e1a063c2c1dae7a31f4fbbaaafeee5fc7fc
[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" "6af37a23716d23742fc2c33d1a1a3e1a063c2c1dae7a31f4fbbaaafeee5fc7fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling cookie-factory v0.3.1
[INFO] [stderr]    Compiling amq-protocol v6.0.0-rc12
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]    Compiling lapin v1.2.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]    Compiling prometheus v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.11
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling nom v6.0.0-alpha1
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling amq-protocol-uri v6.0.0-rc12
[INFO] [stderr]    Compiling pem v0.8.1
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[INFO] [stderr]    Compiling hmac v0.7.1
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[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
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[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
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[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling pinky-swear v4.1.0
[INFO] [stderr]    Compiling rand v0.7.3
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[INFO] [stderr]    Compiling tokio-reactor v0.1.12
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[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling multipart v0.16.1
[INFO] [stderr]    Compiling tcp-stream v0.20.3
[INFO] [stderr]    Compiling amq-protocol-tcp v6.0.0-rc12
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling tracing v0.1.17
[INFO] [stderr]    Compiling prometheus_exporter v0.5.0
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling async-native-tls v0.3.3
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.10.1
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling amq-protocol-types v6.0.0-rc12
[INFO] [stderr]    Compiling sqlx-core v0.3.5
[INFO] [stderr]    Compiling tracing-subscriber v0.2.8
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling sqlx-macros v0.3.5
[INFO] [stderr]    Compiling tokio-amqp v0.1.3
[INFO] [stderr]    Compiling warp v0.2.4
[INFO] [stderr]    Compiling sqlx v0.3.5
[INFO] [stderr]    Compiling crdb-changefeed-publisher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `crdb-changefeed-publisher`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6af37a23716d23742fc2c33d1a1a3e1a063c2c1dae7a31f4fbbaaafeee5fc7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af37a23716d23742fc2c33d1a1a3e1a063c2c1dae7a31f4fbbaaafeee5fc7fc", kill_on_drop: false }`
[INFO] [stdout] 6af37a23716d23742fc2c33d1a1a3e1a063c2c1dae7a31f4fbbaaafeee5fc7fc