[INFO] crate rust-lapper 0.3.9 is already in cache
[INFO] testing rust-lapper-0.3.9 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate rust-lapper 0.3.9 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate rust-lapper 0.3.9 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust-lapper 0.3.9
[INFO] finished tweaking crates.io crate rust-lapper 0.3.9
[INFO] tweaked toml for crates.io crate rust-lapper 0.3.9 written to work/builds/worker-5/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"`
[INFO] [stdout] eafbc12a591f4bb866b6f858708ce2fde0fbc2643ad09a8a45cd79527a674090
[INFO] running `"docker" "start" "-a" "eafbc12a591f4bb866b6f858708ce2fde0fbc2643ad09a8a45cd79527a674090"`
[INFO] [stderr]    Compiling rust-lapper v0.3.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "eafbc12a591f4bb866b6f858708ce2fde0fbc2643ad09a8a45cd79527a674090"`
[INFO] running `"docker" "rm" "-f" "eafbc12a591f4bb866b6f858708ce2fde0fbc2643ad09a8a45cd79527a674090"`
[INFO] [stdout] eafbc12a591f4bb866b6f858708ce2fde0fbc2643ad09a8a45cd79527a674090
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] cfdc826f010dbe90dc1d6c50fe87c2baae57de154a5dfa805a2d3d89f592f5f6
[INFO] running `"docker" "start" "-a" "cfdc826f010dbe90dc1d6c50fe87c2baae57de154a5dfa805a2d3d89f592f5f6"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bio v0.28.2
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling strum v0.13.0
[INFO] [stderr]    Compiling bv v0.10.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling cpu-time v0.1.0
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling statrs v0.9.0
[INFO] [stderr]    Compiling bio-types v0.5.1
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling nested_intervals v0.2.0
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nested_intervals-0.2.0/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `nested_intervals`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cfdc826f010dbe90dc1d6c50fe87c2baae57de154a5dfa805a2d3d89f592f5f6"`
[INFO] running `"docker" "rm" "-f" "cfdc826f010dbe90dc1d6c50fe87c2baae57de154a5dfa805a2d3d89f592f5f6"`
[INFO] [stdout] cfdc826f010dbe90dc1d6c50fe87c2baae57de154a5dfa805a2d3d89f592f5f6