[INFO] cloning repository https://github.com/lukaspustina/concat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukaspustina/concat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaspustina%2Fconcat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaspustina%2Fconcat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13a5a8ea97db762f94b013cfd736a33ab2ecfc43
[INFO] checking lukaspustina/concat against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaspustina%2Fconcat" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukaspustina/concat on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/lukaspustina/concat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d4adcbe27b57bad70aa39772fb9da0e983c90255eb7a538e2daf3530d66b1d8
[INFO] running `Command { std: "docker" "start" "-a" "7d4adcbe27b57bad70aa39772fb9da0e983c90255eb7a538e2daf3530d66b1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d4adcbe27b57bad70aa39772fb9da0e983c90255eb7a538e2daf3530d66b1d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4adcbe27b57bad70aa39772fb9da0e983c90255eb7a538e2daf3530d66b1d8", kill_on_drop: false }`
[INFO] [stdout] 7d4adcbe27b57bad70aa39772fb9da0e983c90255eb7a538e2daf3530d66b1d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c19f01c9aa4dfe63029336283d9d8da0c47eaf0bb9bedb41449774fd368fcd6
[INFO] running `Command { std: "docker" "start" "-a" "3c19f01c9aa4dfe63029336283d9d8da0c47eaf0bb9bedb41449774fd368fcd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.42
[INFO] [stderr]    Compiling cargo-husky v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking concat v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `libc::radvisory`
[INFO] [stdout]  --> src/catters/buf_read_copy.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libc::{c_int, fcntl, off_t, radvisory};
[INFO] [stdout]   |                                 ^^^^^^^^^ no `radvisory` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `F_RDAHEAD` in crate `libc`
[INFO] [stdout]   --> src/catters/buf_read_copy.rs:41:40
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let res = unsafe { fcntl(fd, libc::F_RDAHEAD, 1) };
[INFO] [stdout]    |                                        ^^^^^^^^^ not found in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `F_RDADVISE` in crate `libc`
[INFO] [stdout]   --> src/catters/buf_read_copy.rs:56:40
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let res = unsafe { fcntl(fd, libc::F_RDADVISE, &ra) };
[INFO] [stdout]    |                                        ^^^^^^^^^^ not found in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(read_initializer)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/catters/buf_read_copy.rs:71:47
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut buf: [u8; DEFAULT_BUF_SIZE] = mem::uninitialized();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concat`
[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 `Command { std: "docker" "inspect" "3c19f01c9aa4dfe63029336283d9d8da0c47eaf0bb9bedb41449774fd368fcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c19f01c9aa4dfe63029336283d9d8da0c47eaf0bb9bedb41449774fd368fcd6", kill_on_drop: false }`
[INFO] [stdout] 3c19f01c9aa4dfe63029336283d9d8da0c47eaf0bb9bedb41449774fd368fcd6