[INFO] cloning repository https://github.com/gterzian/workflow_executor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gterzian/workflow_executor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgterzian%2Fworkflow_executor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgterzian%2Fworkflow_executor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0ce8e2068ae16b118de72d48794887fe454ee6d
[INFO] testing gterzian/workflow_executor against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgterzian%2Fworkflow_executor" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gterzian/workflow_executor on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/gterzian/workflow_executor
[INFO] finished tweaking git repo https://github.com/gterzian/workflow_executor
[INFO] tweaked toml for git repo https://github.com/gterzian/workflow_executor written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/gterzian/workflow_executor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 578c3b1f8f072947ea5cd8bfec1948c8a8b4c2452e45c0e90c80981c86caea2e
[INFO] running `Command { std: "docker" "start" "-a" "578c3b1f8f072947ea5cd8bfec1948c8a8b4c2452e45c0e90c80981c86caea2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "578c3b1f8f072947ea5cd8bfec1948c8a8b4c2452e45c0e90c80981c86caea2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578c3b1f8f072947ea5cd8bfec1948c8a8b4c2452e45c0e90c80981c86caea2e", kill_on_drop: false }`
[INFO] [stdout] 578c3b1f8f072947ea5cd8bfec1948c8a8b4c2452e45c0e90c80981c86caea2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81bc94975dd715a71533f08e8cdf793df48b02fc17741ce43566216c8c2ede54
[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" "81bc94975dd715a71533f08e8cdf793df48b02fc17741ce43566216c8c2ede54", kill_on_drop: false }`
[INFO] [stderr]    Compiling workflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::sync::mpsc::Select`
[INFO] [stdout]  --> src/main.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::{Select, Sender, Receiver, channel};
[INFO] [stdout]   |                       ^^^^^^ no `Select` in `sync::mpsc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `workflow`
[INFO] [stdout]    --> src/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![feature(mpsc_select)]
[INFO] [stdout] 2   | |
[INFO] [stdout] 3   | | use std::cell::Cell;
[INFO] [stdout] 4   | | use std::collections::{HashMap, VecDeque};
[INFO] [stdout] ...   |
[INFO] [stdout] 263 | |     }
[INFO] [stdout] 264 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `workflow` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "81bc94975dd715a71533f08e8cdf793df48b02fc17741ce43566216c8c2ede54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81bc94975dd715a71533f08e8cdf793df48b02fc17741ce43566216c8c2ede54", kill_on_drop: false }`
[INFO] [stdout] 81bc94975dd715a71533f08e8cdf793df48b02fc17741ce43566216c8c2ede54