[INFO] crate beagle 0.1.4 is already in cache
[INFO] testing beagle-0.1.4 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate beagle 0.1.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate beagle 0.1.4 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate beagle 0.1.4
[INFO] finished tweaking crates.io crate beagle 0.1.4
[INFO] tweaked toml for crates.io crate beagle 0.1.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f53da0d1ba242ccbd7b1e95da4a0c82d831103f1fdc2f9ed4bdcf7b1cc2277b
[INFO] running `"docker" "start" "-a" "5f53da0d1ba242ccbd7b1e95da4a0c82d831103f1fdc2f9ed4bdcf7b1cc2277b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling beagle v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> build_mat.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         try!(write!(f,"
[INFO] [stderr]   |         ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> build_mat.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             try!(write!(f,"        "));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> build_mat.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 try!(write!(f,"-"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> build_mat.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 try!(write!(f," "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> build_mat.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |             try!(write!(f,"("));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> build_mat.rs:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |                 try!(write!(f,"self[{row}][{index}]", row=row, index=index));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> build_mat.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 try!(write!(f,"*self[{row}][{index}]", row=row, index=index));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> build_mat.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             try!(write!(f,")"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> build_mat.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 try!(write!(f,"\n"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> build_mat.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 try!(write!(f," + \n"));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> build_mat.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         try!(write!(f,"    }}\n}}\n"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/lib.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(advanced_slice_patterns)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: merged into `#![feature(slice_patterns)]`
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stderr]    --> src/consts.rs:820:21
[INFO] [stderr]     |
[INFO] [stderr] 820 |         let &[ref a0.., _] = &a0.0;
[INFO] [stderr]     |                     ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to bind the contents of the rest of the array pattern into `a0`, use `@`
[INFO] [stderr]     |
[INFO] [stderr] 820 |         let &[ref a0 @ .., _] = &a0.0;
[INFO] [stderr]     |                      ^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0557`.
[INFO] [stderr] error: could not compile `beagle`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5f53da0d1ba242ccbd7b1e95da4a0c82d831103f1fdc2f9ed4bdcf7b1cc2277b"`
[INFO] running `"docker" "rm" "-f" "5f53da0d1ba242ccbd7b1e95da4a0c82d831103f1fdc2f9ed4bdcf7b1cc2277b"`
[INFO] [stdout] 5f53da0d1ba242ccbd7b1e95da4a0c82d831103f1fdc2f9ed4bdcf7b1cc2277b