[INFO] cloning repository https://github.com/void4/rarust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/void4/rarust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoid4%2Frarust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoid4%2Frarust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c60aa3fc33a619ce26bb01d888c316ff573ddf5
[INFO] testing void4/rarust against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoid4%2Frarust" "/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/void4/rarust on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/void4/rarust
[INFO] finished tweaking git repo https://github.com/void4/rarust
[INFO] tweaked toml for git repo https://github.com/void4/rarust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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" "+1.44.0" "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] 972815fba4afb27e7c4d1d32c058ce1c2322cfaab2e32e401d7f4abcbde4aaf6
[INFO] running `"docker" "start" "-a" "972815fba4afb27e7c4d1d32c058ce1c2322cfaab2e32e401d7f4abcbde4aaf6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:369:25
[INFO] [stderr]     |
[INFO] [stderr] 369 |     let mut states: Vec<(Process)> = vec![sharp]; //d(&flat)
[INFO] [stderr]     |                         ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]    --> src/main.rs:756:5
[INFO] [stderr]     |
[INFO] [stderr] 756 | use std::io::Cursor;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `WriteBytesExt`
[INFO] [stderr]    --> src/main.rs:757:39
[INFO] [stderr]     |
[INFO] [stderr] 757 | use byteorder::{ByteOrder, BigEndian, WriteBytesExt, ReadBytesExt};
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ReadBytesExt`
[INFO] [stderr]    --> src/main.rs:757:54
[INFO] [stderr]     |
[INFO] [stderr] 757 | use byteorder::{ByteOrder, BigEndian, WriteBytesExt, ReadBytesExt};
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `rvm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "972815fba4afb27e7c4d1d32c058ce1c2322cfaab2e32e401d7f4abcbde4aaf6"`
[INFO] running `"docker" "rm" "-f" "972815fba4afb27e7c4d1d32c058ce1c2322cfaab2e32e401d7f4abcbde4aaf6"`
[INFO] [stdout] 972815fba4afb27e7c4d1d32c058ce1c2322cfaab2e32e401d7f4abcbde4aaf6