[INFO] updating cached repository lukaspustina/concat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lukaspustina/concat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lukaspustina/concat" "work/ex/beta-1.38-1/sources/1.37.0/gh/lukaspustina/concat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lukaspustina/concat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lukaspustina/concat" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lukaspustina/concat"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lukaspustina/concat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 299645d248feffa4eb0afa4b3e3c00309c2bac62
[INFO] sha for GitHub repo lukaspustina/concat: 299645d248feffa4eb0afa4b3e3c00309c2bac62
[INFO] validating manifest of lukaspustina/concat 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 lukaspustina/concat 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 lukaspustina/concat
[INFO] finished frobbing lukaspustina/concat
[INFO] frobbed toml for lukaspustina/concat written to work/ex/beta-1.38-1/sources/1.37.0/gh/lukaspustina/concat/Cargo.toml
[INFO] started frobbing lukaspustina/concat
[INFO] finished frobbing lukaspustina/concat
[INFO] frobbed toml for lukaspustina/concat written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lukaspustina/concat/Cargo.toml
[INFO] crate lukaspustina/concat 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lukaspustina/concat against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lukaspustina/concat:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7a08544d67e251fd2e9b6aecd460d813c3367a1625005d40838a85fa9e9f2633
[INFO] running `"docker" "start" "-a" "7a08544d67e251fd2e9b6aecd460d813c3367a1625005d40838a85fa9e9f2633"`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.29
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling concat v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `libc::radvisory`
[INFO] [stderr]  --> src/catters/buf_read_copy.rs:7:33
[INFO] [stderr]   |
[INFO] [stderr] 7 | use libc::{c_int, fcntl, off_t, radvisory};
[INFO] [stderr]   |                                 ^^^^^^^^^ no `radvisory` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `F_RDAHEAD` in crate `libc`
[INFO] [stderr]   --> src/catters/buf_read_copy.rs:41:40
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let res = unsafe { fcntl(fd, libc::F_RDAHEAD, 1) };
[INFO] [stderr]    |                                        ^^^^^^^^^ not found in `libc`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `F_RDADVISE` in crate `libc`
[INFO] [stderr]   --> src/catters/buf_read_copy.rs:56:40
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let res = unsafe { fcntl(fd, libc::F_RDADVISE, &ra) };
[INFO] [stderr]    |                                        ^^^^^^^^^^ not found in `libc`
[INFO] [stderr] 
[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(read_initializer)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `concat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7a08544d67e251fd2e9b6aecd460d813c3367a1625005d40838a85fa9e9f2633"`
[INFO] running `"docker" "rm" "-f" "7a08544d67e251fd2e9b6aecd460d813c3367a1625005d40838a85fa9e9f2633"`
[INFO] [stdout] 7a08544d67e251fd2e9b6aecd460d813c3367a1625005d40838a85fa9e9f2633