[INFO] updating cached repository https://github.com/lukaspustina/concat
[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] 13a5a8ea97db762f94b013cfd736a33ab2ecfc43
[INFO] testing lukaspustina/concat against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaspustina%2Fconcat" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukaspustina/concat 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/lukaspustina/concat
[INFO] finished tweaking git repo https://github.com/lukaspustina/concat
[INFO] tweaked toml for git repo https://github.com/lukaspustina/concat written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lukaspustina/concat 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8a622869ec93b91aaa25f5e17cb2b119f3e58936db1921e554085d65a988b0e7
[INFO] running `"docker" "start" "-a" "8a622869ec93b91aaa25f5e17cb2b119f3e58936db1921e554085d65a988b0e7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.42
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling concat v0.0.1 (/opt/rustwide/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] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/catters/buf_read_copy.rs:71:47
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let mut buf: [u8; DEFAULT_BUF_SIZE] = mem::uninitialized();
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors; 1 warning emitted
[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" "8a622869ec93b91aaa25f5e17cb2b119f3e58936db1921e554085d65a988b0e7"`
[INFO] running `"docker" "rm" "-f" "8a622869ec93b91aaa25f5e17cb2b119f3e58936db1921e554085d65a988b0e7"`
[INFO] [stdout] 8a622869ec93b91aaa25f5e17cb2b119f3e58936db1921e554085d65a988b0e7