[INFO] crate electro 0.9.3 is already in cache
[INFO] testing electro-0.9.3 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate electro 0.9.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate electro 0.9.3 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 electro 0.9.3
[INFO] finished tweaking crates.io crate electro 0.9.3
[INFO] tweaked toml for crates.io crate electro 0.9.3 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] fcf289fce6a27645ba16a5dcffdd05ac1eee4b5bff0c783cac212123ea75a310
[INFO] running `"docker" "start" "-a" "fcf289fce6a27645ba16a5dcffdd05ac1eee4b5bff0c783cac212123ea75a310"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling electro v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]    --> src/topo.rs:126:35
[INFO] [stderr]     |
[INFO] [stderr] 126 |   let bottom_horiz = lower_left[0]...lower_right[0];
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]     |
[INFO] [stderr] 126 |   let bottom_horiz = lower_left[0]..lower_right[0];
[INFO] [stderr]     |                                   ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] 126 |   let bottom_horiz = lower_left[0]..=lower_right[0];
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]    --> src/topo.rs:128:35
[INFO] [stderr]     |
[INFO] [stderr] 128 |   let right_vert = (upper_right[1]...lower_right[1]).rev();
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]     |
[INFO] [stderr] 128 |   let right_vert = (upper_right[1]..lower_right[1]).rev();
[INFO] [stderr]     |                                   ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] 128 |   let right_vert = (upper_right[1]..=lower_right[1]).rev();
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]    --> src/topo.rs:129:33
[INFO] [stderr]     |
[INFO] [stderr] 129 |   let top_horiz = (upper_left[0]...upper_right[0]).rev();
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]     |
[INFO] [stderr] 129 |   let top_horiz = (upper_left[0]..upper_right[0]).rev();
[INFO] [stderr]     |                                 ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] 129 |   let top_horiz = (upper_left[0]..=upper_right[0]).rev();
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]    --> src/topo.rs:257:43
[INFO] [stderr]     |
[INFO] [stderr] 257 |   let conductor_col_inds = conductor_start...conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]     |
[INFO] [stderr] 257 |   let conductor_col_inds = conductor_start..conductor_end;
[INFO] [stderr]     |                                           ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] 257 |   let conductor_col_inds = conductor_start..=conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]    --> src/topo.rs:274:43
[INFO] [stderr]     |
[INFO] [stderr] 274 |   let conductor_col_inds = conductor_start...conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]     |
[INFO] [stderr] 274 |   let conductor_col_inds = conductor_start..conductor_end;
[INFO] [stderr]     |                                           ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] 274 |   let conductor_col_inds = conductor_start..=conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]    --> src/topo.rs:300:43
[INFO] [stderr]     |
[INFO] [stderr] 300 |   let conductor_col_inds = conductor_start...conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]     |
[INFO] [stderr] 300 |   let conductor_col_inds = conductor_start..conductor_end;
[INFO] [stderr]     |                                           ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] 300 |   let conductor_col_inds = conductor_start..=conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]    --> src/topo.rs:322:43
[INFO] [stderr]     |
[INFO] [stderr] 322 |   let conductor_col_inds = conductor_start...conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]     |
[INFO] [stderr] 322 |   let conductor_col_inds = conductor_start..conductor_end;
[INFO] [stderr]     |                                           ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] 322 |   let conductor_col_inds = conductor_start..=conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]    --> src/topo.rs:341:43
[INFO] [stderr]     |
[INFO] [stderr] 341 |   let conductor_col_inds = conductor_start...conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]     |
[INFO] [stderr] 341 |   let conductor_col_inds = conductor_start..conductor_end;
[INFO] [stderr]     |                                           ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] 341 |   let conductor_col_inds = conductor_start..=conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unexpected token: `...`
[INFO] [stderr]    --> src/topo.rs:359:43
[INFO] [stderr]     |
[INFO] [stderr] 359 |   let conductor_col_inds = conductor_start...conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `..` for an exclusive range
[INFO] [stderr]     |
[INFO] [stderr] 359 |   let conductor_col_inds = conductor_start..conductor_end;
[INFO] [stderr]     |                                           ^^
[INFO] [stderr] help: or `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr] 359 |   let conductor_col_inds = conductor_start..=conductor_end;
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(step_by)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(slice_patterns)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `electro`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fcf289fce6a27645ba16a5dcffdd05ac1eee4b5bff0c783cac212123ea75a310"`
[INFO] running `"docker" "rm" "-f" "fcf289fce6a27645ba16a5dcffdd05ac1eee4b5bff0c783cac212123ea75a310"`
[INFO] [stdout] fcf289fce6a27645ba16a5dcffdd05ac1eee4b5bff0c783cac212123ea75a310