[INFO] updating cached repository Noctune/maxrects-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Noctune/maxrects-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Noctune/maxrects-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/Noctune/maxrects-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Noctune/maxrects-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Noctune/maxrects-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Noctune/maxrects-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Noctune/maxrects-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2502df39f932d7c9e30a0c039b84fe17b301bad
[INFO] sha for GitHub repo Noctune/maxrects-rs: c2502df39f932d7c9e30a0c039b84fe17b301bad
[INFO] validating manifest of Noctune/maxrects-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Noctune/maxrects-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Noctune/maxrects-rs
[INFO] finished frobbing Noctune/maxrects-rs
[INFO] frobbed toml for Noctune/maxrects-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/Noctune/maxrects-rs/Cargo.toml
[INFO] started frobbing Noctune/maxrects-rs
[INFO] finished frobbing Noctune/maxrects-rs
[INFO] frobbed toml for Noctune/maxrects-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Noctune/maxrects-rs/Cargo.toml
[INFO] crate Noctune/maxrects-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Noctune/maxrects-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Noctune/maxrects-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 844fd7e4dbbd9c90448a668c63f622b455e42c8d0d34bd732ae570e8c6817c2a
[INFO] running `"docker" "start" "-a" "844fd7e4dbbd9c90448a668c63f622b455e42c8d0d34bd732ae570e8c6817c2a"`
[INFO] [stderr]    Compiling maxrects v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: expected argument name, found `:`
[INFO] [stderr]    --> src/lib.rs:183:41
[INFO] [stderr]     |
[INFO] [stderr] 183 |                     let mut push = |&mut: min, max| self.empty.push(Rectangle::new(min,max));
[INFO] [stderr]     |                                         ^ expected argument name
[INFO] [stderr] 
[INFO] [stderr] error: expected argument name, found `:`
[INFO] [stderr]    --> src/lib.rs:282:31
[INFO] [stderr]     |
[INFO] [stderr] 282 |         let as_rectangles = |&:| rectangles.iter().map(|&((x,y),(width,height))|
[INFO] [stderr]     |                               ^ expected argument name
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unstable`
[INFO] [stderr]  --> src/lib.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![allow(unstable)]
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::cmp::partial_min`
[INFO] [stderr]   --> src/lib.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::cmp::{partial_min, Ordering};
[INFO] [stderr]    |                ^^^^^^^^^^^ no `partial_min` in `cmp`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `maxrects`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "844fd7e4dbbd9c90448a668c63f622b455e42c8d0d34bd732ae570e8c6817c2a"`
[INFO] running `"docker" "rm" "-f" "844fd7e4dbbd9c90448a668c63f622b455e42c8d0d34bd732ae570e8c6817c2a"`
[INFO] [stdout] 844fd7e4dbbd9c90448a668c63f622b455e42c8d0d34bd732ae570e8c6817c2a