[INFO] updating cached repository PlasmaPower/intersections
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PlasmaPower/intersections
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/intersections" "work/ex/beta-1.38-1/sources/1.37.0/gh/PlasmaPower/intersections"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PlasmaPower/intersections'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/intersections" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PlasmaPower/intersections"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PlasmaPower/intersections'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d3a2e27b3c411c228e41e8f9626c9f629efbdf1a
[INFO] sha for GitHub repo PlasmaPower/intersections: d3a2e27b3c411c228e41e8f9626c9f629efbdf1a
[INFO] validating manifest of PlasmaPower/intersections 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 PlasmaPower/intersections 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 PlasmaPower/intersections
[INFO] finished frobbing PlasmaPower/intersections
[INFO] frobbed toml for PlasmaPower/intersections written to work/ex/beta-1.38-1/sources/1.37.0/gh/PlasmaPower/intersections/Cargo.toml
[INFO] started frobbing PlasmaPower/intersections
[INFO] finished frobbing PlasmaPower/intersections
[INFO] frobbed toml for PlasmaPower/intersections written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PlasmaPower/intersections/Cargo.toml
[INFO] crate PlasmaPower/intersections 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PlasmaPower/intersections/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 PlasmaPower/intersections against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/PlasmaPower/intersections:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 89331eb6abb30d7d6acb917ce5fc21b60a97d13e0ab9ac6195af63abf77d5ae2
[INFO] running `"docker" "start" "-a" "89331eb6abb30d7d6acb917ce5fc21b60a97d13e0ab9ac6195af63abf77d5ae2"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling jobsteal v0.5.1
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling gene-seq-intersections v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(integer_atomics)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/find_genomes.rs:216:17
[INFO] [stderr]     |
[INFO] [stderr] 216 |             b'1'...b'9' => last_index = i,
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[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 `gene-seq-intersections`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "89331eb6abb30d7d6acb917ce5fc21b60a97d13e0ab9ac6195af63abf77d5ae2"`
[INFO] running `"docker" "rm" "-f" "89331eb6abb30d7d6acb917ce5fc21b60a97d13e0ab9ac6195af63abf77d5ae2"`
[INFO] [stdout] 89331eb6abb30d7d6acb917ce5fc21b60a97d13e0ab9ac6195af63abf77d5ae2