[INFO] fetching crate sonic-channel 0.4.0...
[INFO] checking sonic-channel-0.4.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate sonic-channel 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sonic-channel 0.4.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sonic-channel 0.4.0
[INFO] finished tweaking crates.io crate sonic-channel 0.4.0
[INFO] tweaked toml for crates.io crate sonic-channel 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate sonic-channel 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84dbc4377c41cf6537308f9befc93b7d15309f8cc525e4a63f506b6014e40594
[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" "84dbc4377c41cf6537308f9befc93b7d15309f8cc525e4a63f506b6014e40594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84dbc4377c41cf6537308f9befc93b7d15309f8cc525e4a63f506b6014e40594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84dbc4377c41cf6537308f9befc93b7d15309f8cc525e4a63f506b6014e40594", kill_on_drop: false }`
[INFO] [stdout] 84dbc4377c41cf6537308f9befc93b7d15309f8cc525e4a63f506b6014e40594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2c2a5b70c678a5abd2b407de968e4de3fe6ebc2d8be482e68faf3b11e22bea8
[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" "f2c2a5b70c678a5abd2b407de968e4de3fe6ebc2d8be482e68faf3b11e22bea8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking sonic-channel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no variant or associated item named `Ingest` found for enum `ChannelMode` in the current scope
[INFO] [stdout]    --> src/lib.rs:110:47
[INFO] [stdout]     |
[INFO] [stdout] 110 |         assert_eq!(format!("{}", ChannelMode::Ingest), String::from("ingest"));
[INFO] [stdout]     |                                               ^^^^^^ variant or associated item not found in `ChannelMode`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/channels/mod.rs:28:1
[INFO] [stdout]     |
[INFO] [stdout] 28  | pub enum ChannelMode {
[INFO] [stdout]     | -------------------- variant or associated item `Ingest` not found here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Control` found for enum `ChannelMode` in the current scope
[INFO] [stdout]    --> src/lib.rs:111:47
[INFO] [stdout]     |
[INFO] [stdout] 111 |         assert_eq!(format!("{}", ChannelMode::Control), String::from("control"));
[INFO] [stdout]     |                                               ^^^^^^^ variant or associated item not found in `ChannelMode`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/channels/mod.rs:28:1
[INFO] [stdout]     |
[INFO] [stdout] 28  | pub enum ChannelMode {
[INFO] [stdout]     | -------------------- variant or associated item `Control` not found here
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sonic-channel`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f2c2a5b70c678a5abd2b407de968e4de3fe6ebc2d8be482e68faf3b11e22bea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c2a5b70c678a5abd2b407de968e4de3fe6ebc2d8be482e68faf3b11e22bea8", kill_on_drop: false }`
[INFO] [stdout] f2c2a5b70c678a5abd2b407de968e4de3fe6ebc2d8be482e68faf3b11e22bea8