[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] checking loongw/rust-to-js against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floongw%2Frust-to-js" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/loongw/rust-to-js on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded lazy_static v0.2.6
[INFO] [stderr]   Downloaded num v0.1.37
[INFO] [stderr]   Downloaded num-integer v0.1.33
[INFO] [stderr]   Downloaded sdl2-sys v0.27.3
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded sdl2 v0.29.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8671af5417bc0e4f18a585720dfc9fb3dd1b40d15ee1f384287f95ab828ff3f
[INFO] running `Command { std: "docker" "start" "-a" "f8671af5417bc0e4f18a585720dfc9fb3dd1b40d15ee1f384287f95ab828ff3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8671af5417bc0e4f18a585720dfc9fb3dd1b40d15ee1f384287f95ab828ff3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8671af5417bc0e4f18a585720dfc9fb3dd1b40d15ee1f384287f95ab828ff3f", kill_on_drop: false }`
[INFO] [stdout] f8671af5417bc0e4f18a585720dfc9fb3dd1b40d15ee1f384287f95ab828ff3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e5db0575dfd5ef5635a5af183fdce24838e8af10f8e17c6f39a172ec284e88a
[INFO] running `Command { std: "docker" "start" "-a" "8e5db0575dfd5ef5635a5af183fdce24838e8af10f8e17c6f39a172ec284e88a", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.6
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking sdl2 v0.29.1
[INFO] [stderr]     Checking 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] 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] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut main_loop = || {
[INFO] [stdout]    |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[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] 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] help: consider changing this to be mutable
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut main_loop = || {
[INFO] [stdout]    |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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` (bin "boxgame") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `boxgame` (bin "boxgame" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8e5db0575dfd5ef5635a5af183fdce24838e8af10f8e17c6f39a172ec284e88a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5db0575dfd5ef5635a5af183fdce24838e8af10f8e17c6f39a172ec284e88a", kill_on_drop: false }`
[INFO] [stdout] 8e5db0575dfd5ef5635a5af183fdce24838e8af10f8e17c6f39a172ec284e88a