[INFO] updating cached repository https://github.com/hillst/bamreadfilt
[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] fbcf1d13b49dd648b7e51756c9b66987d9176b0c
[INFO] testing hillst/bamreadfilt against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhillst%2Fbamreadfilt" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hillst/bamreadfilt 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 git repo https://github.com/hillst/bamreadfilt
[INFO] finished tweaking git repo https://github.com/hillst/bamreadfilt
[INFO] tweaked toml for git repo https://github.com/hillst/bamreadfilt written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hillst/bamreadfilt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] eb59acce8e3b5e8ba77570112aef6d14641c5efa08976891f9395253040dbe11
[INFO] running `"docker" "start" "-a" "eb59acce8e3b5e8ba77570112aef6d14641c5efa08976891f9395253040dbe11"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling bindgen v0.32.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling rust-htslib v0.16.0
[INFO] [stderr]    Compiling bamreadfilt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(rand)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `StoreFalse`, `StoreOption`
[INFO] [stderr]   --> src/lib.rs:10:50
[INFO] [stderr]    |
[INFO] [stderr] 10 | use argparse::{ArgumentParser, StoreTrue, Store, StoreFalse, StoreOption};
[INFO] [stderr]    |                                                  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::collections::HashSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/lib.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `bamreadfilt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "eb59acce8e3b5e8ba77570112aef6d14641c5efa08976891f9395253040dbe11"`
[INFO] running `"docker" "rm" "-f" "eb59acce8e3b5e8ba77570112aef6d14641c5efa08976891f9395253040dbe11"`
[INFO] [stdout] eb59acce8e3b5e8ba77570112aef6d14641c5efa08976891f9395253040dbe11