[INFO] cloning repository https://github.com/MechWipf/browser-launcher-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MechWipf/browser-launcher-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMechWipf%2Fbrowser-launcher-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMechWipf%2Fbrowser-launcher-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e78a7d2ad4f766a0c0c459c0b0397fed95adf65d
[INFO] checking MechWipf/browser-launcher-rs against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMechWipf%2Fbrowser-launcher-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MechWipf/browser-launcher-rs on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MechWipf/browser-launcher-rs
[INFO] finished tweaking git repo https://github.com/MechWipf/browser-launcher-rs
[INFO] tweaked toml for git repo https://github.com/MechWipf/browser-launcher-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/MechWipf/browser-launcher-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winres v0.1.11
[INFO] [stderr]   Downloaded log4rs v0.13.0
[INFO] [stderr]   Downloaded flate2 v1.0.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3df05524e11cf4ee0f82a1160090f5ac252476feed5bd58a3d740d32d29fcdbe
[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" "3df05524e11cf4ee0f82a1160090f5ac252476feed5bd58a3d740d32d29fcdbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3df05524e11cf4ee0f82a1160090f5ac252476feed5bd58a3d740d32d29fcdbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df05524e11cf4ee0f82a1160090f5ac252476feed5bd58a3d740d32d29fcdbe", kill_on_drop: false }`
[INFO] [stdout] 3df05524e11cf4ee0f82a1160090f5ac252476feed5bd58a3d740d32d29fcdbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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] 4c3ef9cf1ea97d18a86d3d540afaa30e827727dae5dba1e642e16bed6b1b9d9f
[INFO] running `Command { std: "docker" "start" "-a" "4c3ef9cf1ea97d18a86d3d540afaa30e827727dae5dba1e642e16bed6b1b9d9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling browser_launcher v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stdout] error[E0601]: `main` function not found in crate `build_script_build`
[INFO] [stdout]  --> build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #[cfg(windows)]
[INFO] [stdout] 2 | | extern crate winres;
[INFO] [stdout] 3 | |
[INFO] [stdout] 4 | | #[cfg(windows)]
[INFO] [stdout] ... |
[INFO] [stdout] 7 | |     res.compile().unwrap();
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^ consider adding a `main` function to `build.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 `browser_launcher`
[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" "4c3ef9cf1ea97d18a86d3d540afaa30e827727dae5dba1e642e16bed6b1b9d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3ef9cf1ea97d18a86d3d540afaa30e827727dae5dba1e642e16bed6b1b9d9f", kill_on_drop: false }`
[INFO] [stdout] 4c3ef9cf1ea97d18a86d3d540afaa30e827727dae5dba1e642e16bed6b1b9d9f