[INFO] updating cached repository https://github.com/FrozenDroid/Screentool
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aba93f29445fea587dfef35f65d379d65710d7d0
[INFO] checking FrozenDroid/Screentool against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrozenDroid%2FScreentool" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrozenDroid/Screentool on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FrozenDroid/Screentool
[INFO] finished tweaking git repo https://github.com/FrozenDroid/Screentool
[INFO] tweaked toml for git repo https://github.com/FrozenDroid/Screentool written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/FrozenDroid/Screentool already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fbfbd46e59990df5d2086132908c6b19204873dcf353c5199b3d1dc8bf6d2a65
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fbfbd46e59990df5d2086132908c6b19204873dcf353c5199b3d1dc8bf6d2a65"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking strum v0.10.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling strum_macros v0.10.0
[INFO] [stderr]     Checking screentool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]    --> src/ffmpeg.rs:232:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let position_str = ":0.0+".to_owned() + ([pos_x, pos_y].iter().join(",").as_ref());
[INFO] [stderr]     |             ------------ consider giving `position_str` a type
[INFO] [stderr] ...
[INFO] [stderr] 232 |             position_str.as_ref()
[INFO] [stderr]     |             ^^^^^^^^^^^^ cannot infer type
[INFO] [stderr]     |
[INFO] [stderr]     = note: type must be known at this point
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: could not compile `screentool`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]    --> src/ffmpeg.rs:232:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let position_str = ":0.0+".to_owned() + ([pos_x, pos_y].iter().join(",").as_ref());
[INFO] [stderr]     |             ------------ consider giving `position_str` a type
[INFO] [stderr] ...
[INFO] [stderr] 232 |             position_str.as_ref()
[INFO] [stderr]     |             ^^^^^^^^^^^^ cannot infer type
[INFO] [stderr]     |
[INFO] [stderr]     = note: type must be known at this point
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: could not compile `screentool`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fbfbd46e59990df5d2086132908c6b19204873dcf353c5199b3d1dc8bf6d2a65"`
[INFO] running `"docker" "rm" "-f" "fbfbd46e59990df5d2086132908c6b19204873dcf353c5199b3d1dc8bf6d2a65"`
[INFO] [stdout] fbfbd46e59990df5d2086132908c6b19204873dcf353c5199b3d1dc8bf6d2a65