[INFO] fetching crate yowsl 0.1.3...
[INFO] checking yowsl-0.1.3 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate yowsl 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate yowsl 0.1.3 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yowsl 0.1.3
[INFO] finished tweaking crates.io crate yowsl 0.1.3
[INFO] tweaked toml for crates.io crate yowsl 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] f1a17491fb9959874fdf39af6b1927168f18e1d212e1751eaf777b348426c33b
[INFO] running `Command { std: "docker" "start" "-a" "f1a17491fb9959874fdf39af6b1927168f18e1d212e1751eaf777b348426c33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1a17491fb9959874fdf39af6b1927168f18e1d212e1751eaf777b348426c33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a17491fb9959874fdf39af6b1927168f18e1d212e1751eaf777b348426c33b", kill_on_drop: false }`
[INFO] [stdout] f1a17491fb9959874fdf39af6b1927168f18e1d212e1751eaf777b348426c33b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e512afcef482b2e4f0c2fec168708f84e73f221f0a27000e3ce52e13fc450879
[INFO] running `Command { std: "docker" "start" "-a" "e512afcef482b2e4f0c2fec168708f84e73f221f0a27000e3ce52e13fc450879", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.57
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking yowsl v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `yowsl`
[INFO] [stdout]    --> src/bin/yowsl/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![cfg(all(target_arch = "x86_64", target_os = "windows"))]
[INFO] [stdout] 2   | |
[INFO] [stdout] 3   | | #[macro_use]
[INFO] [stdout] 4   | | extern crate clap;
[INFO] [stdout] ...   |
[INFO] [stdout] 125 | |     run();
[INFO] [stdout] 126 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/bin/yowsl/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yowsl`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e512afcef482b2e4f0c2fec168708f84e73f221f0a27000e3ce52e13fc450879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e512afcef482b2e4f0c2fec168708f84e73f221f0a27000e3ce52e13fc450879", kill_on_drop: false }`
[INFO] [stdout] e512afcef482b2e4f0c2fec168708f84e73f221f0a27000e3ce52e13fc450879