[INFO] fetching crate yowsl 0.1.3...
[INFO] checking yowsl-0.1.3 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate yowsl 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate yowsl 0.1.3 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 8952fcb06df4bd6bdbef7e5cccc8510b83edaed14a596cad8ef217aa2129ac5e
[INFO] running `Command { std: "docker" "start" "-a" "8952fcb06df4bd6bdbef7e5cccc8510b83edaed14a596cad8ef217aa2129ac5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8952fcb06df4bd6bdbef7e5cccc8510b83edaed14a596cad8ef217aa2129ac5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8952fcb06df4bd6bdbef7e5cccc8510b83edaed14a596cad8ef217aa2129ac5e", kill_on_drop: false }`
[INFO] [stdout] 8952fcb06df4bd6bdbef7e5cccc8510b83edaed14a596cad8ef217aa2129ac5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 8ac9383150a3b39aed39870cdb1cca2394cae5aadb3dc040500bd54dd42a1197
[INFO] running `Command { std: "docker" "start" "-a" "8ac9383150a3b39aed39870cdb1cca2394cae5aadb3dc040500bd54dd42a1197", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8ac9383150a3b39aed39870cdb1cca2394cae5aadb3dc040500bd54dd42a1197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac9383150a3b39aed39870cdb1cca2394cae5aadb3dc040500bd54dd42a1197", kill_on_drop: false }`
[INFO] [stdout] 8ac9383150a3b39aed39870cdb1cca2394cae5aadb3dc040500bd54dd42a1197