[INFO] cloning repository https://github.com/magicbigdatastudy/other_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magicbigdatastudy/other_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicbigdatastudy%2Fother_rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicbigdatastudy%2Fother_rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bba5c3f1f64bd0d63c0be5ff06239f1e12794bba
[INFO] checking magicbigdatastudy/other_rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagicbigdatastudy%2Fother_rust" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magicbigdatastudy/other_rust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/magicbigdatastudy/other_rust
[INFO] finished tweaking git repo https://github.com/magicbigdatastudy/other_rust
[INFO] tweaked toml for git repo https://github.com/magicbigdatastudy/other_rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/magicbigdatastudy/other_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b67f3597a709a8f3d4ee5f83170a64f061f23fa2d69813c4f3a8d5c3a174ee9d
[INFO] running `"docker" "start" "-a" "b67f3597a709a8f3d4ee5f83170a64f061f23fa2d69813c4f3a8d5c3a174ee9d"`
[INFO] [stderr]     Checking rustTest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0106]: missing lifetime specifier
[INFO] [stderr]   --> src/main.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn test_3(a:i32)->&i32{
[INFO] [stderr]    |                   ^ help: consider giving it an explicit bounded or 'static lifetime: `&'static`
[INFO] [stderr]    |
[INFO] [stderr]    = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0106`.
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0106]: missing lifetime specifier
[INFO] [stderr]   --> src/main.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn test_3(a:i32)->&i32{
[INFO] [stderr]    |                   ^ help: consider giving it an explicit bounded or 'static lifetime: `&'static`
[INFO] [stderr]    |
[INFO] [stderr]    = help: this function's return type contains a borrowed value with an elided lifetime, but the lifetime cannot be derived from the arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0106`.
[INFO] [stderr] error: could not compile `rustTest`.
[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: could not compile `rustTest`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b67f3597a709a8f3d4ee5f83170a64f061f23fa2d69813c4f3a8d5c3a174ee9d"`
[INFO] running `"docker" "rm" "-f" "b67f3597a709a8f3d4ee5f83170a64f061f23fa2d69813c4f3a8d5c3a174ee9d"`
[INFO] [stdout] b67f3597a709a8f3d4ee5f83170a64f061f23fa2d69813c4f3a8d5c3a174ee9d