[INFO] fetching crate yowsl 0.1.3...
[INFO] checking yowsl-0.1.3 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate yowsl 0.1.3 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate yowsl 0.1.3 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff0ffc021db83a043f4c84c13e709adedf48b9275bf2621aec332fc15cc2a4ec
[INFO] running `Command { std: "docker" "start" "-a" "ff0ffc021db83a043f4c84c13e709adedf48b9275bf2621aec332fc15cc2a4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff0ffc021db83a043f4c84c13e709adedf48b9275bf2621aec332fc15cc2a4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff0ffc021db83a043f4c84c13e709adedf48b9275bf2621aec332fc15cc2a4ec", kill_on_drop: false }`
[INFO] [stdout] ff0ffc021db83a043f4c84c13e709adedf48b9275bf2621aec332fc15cc2a4ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c9257b55423f1a908db6bbd17e96a7f7abf330e6bdcdc0162604ee1170b961c
[INFO] running `Command { std: "docker" "start" "-a" "2c9257b55423f1a908db6bbd17e96a7f7abf330e6bdcdc0162604ee1170b961c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking object v0.26.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2c9257b55423f1a908db6bbd17e96a7f7abf330e6bdcdc0162604ee1170b961c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9257b55423f1a908db6bbd17e96a7f7abf330e6bdcdc0162604ee1170b961c", kill_on_drop: false }`
[INFO] [stdout] 2c9257b55423f1a908db6bbd17e96a7f7abf330e6bdcdc0162604ee1170b961c