[INFO] cloning repository https://github.com/loongw/rust-to-js
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loongw/rust-to-js" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floongw%2Frust-to-js", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floongw%2Frust-to-js'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da329fc9a65400160d6f5aaaf1b1e530a8245cb7
[INFO] testing loongw/rust-to-js against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floongw%2Frust-to-js" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/loongw/rust-to-js on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/loongw/rust-to-js
[INFO] finished tweaking git repo https://github.com/loongw/rust-to-js
[INFO] tweaked toml for git repo https://github.com/loongw/rust-to-js written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/loongw/rust-to-js already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d14309974a426d406afaba56cfef3bb9d1e76ae9b2a049284103fdec4b801ea
[INFO] running `Command { std: "docker" "start" "-a" "5d14309974a426d406afaba56cfef3bb9d1e76ae9b2a049284103fdec4b801ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d14309974a426d406afaba56cfef3bb9d1e76ae9b2a049284103fdec4b801ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d14309974a426d406afaba56cfef3bb9d1e76ae9b2a049284103fdec4b801ea", kill_on_drop: false }`
[INFO] [stdout] 5d14309974a426d406afaba56cfef3bb9d1e76ae9b2a049284103fdec4b801ea
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 956215dbe4d339bbbfe9088090b8bb41119e017b970e2b9b8f9da3356316d641
[INFO] running `Command { std: "docker" "start" "-a" "956215dbe4d339bbbfe9088090b8bb41119e017b970e2b9b8f9da3356316d641", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling lazy_static v0.2.6
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.33
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling sdl2 v0.29.1
[INFO] [stderr]    Compiling boxgame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `main_loop` as mutable, as it is not declared as mutable
[INFO] [stdout]   --> src/main.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let main_loop = || {
[INFO] [stdout]    |         --------- help: consider changing this to be mutable: `mut main_loop`
[INFO] [stdout] 39 |         for event in events.poll_iter() {
[INFO] [stdout]    |                      ------ calling `main_loop` requires mutable binding due to mutable borrow of `events`
[INFO] [stdout] ...
[INFO] [stdout] 74 |     loop { main_loop(); }
[INFO] [stdout]    |            ^^^^^^^^^ cannot borrow as mutable
[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 E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `boxgame` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "956215dbe4d339bbbfe9088090b8bb41119e017b970e2b9b8f9da3356316d641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956215dbe4d339bbbfe9088090b8bb41119e017b970e2b9b8f9da3356316d641", kill_on_drop: false }`
[INFO] [stdout] 956215dbe4d339bbbfe9088090b8bb41119e017b970e2b9b8f9da3356316d641