[INFO] cloning repository https://github.com/neel-maddy/rust_learning
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neel-maddy/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneel-maddy%2Frust_learning"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneel-maddy%2Frust_learning'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ed05bb846c3debb146e90f6b20822f6c23a75bb7
[INFO] checking neel-maddy/rust_learning against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneel-maddy%2Frust_learning" "/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/neel-maddy/rust_learning 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/neel-maddy/rust_learning
[INFO] finished tweaking git repo https://github.com/neel-maddy/rust_learning
[INFO] tweaked toml for git repo https://github.com/neel-maddy/rust_learning written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/neel-maddy/rust_learning 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-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=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] 77403a36a4bb16856a4ee081679e0314e774e6095f19232c63cb4cd7e185108b
[INFO] running `"docker" "start" "-a" "77403a36a4bb16856a4ee081679e0314e774e6095f19232c63cb4cd7e185108b"`
[INFO] [stderr]     Checking Rust_Projects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `,`, `.`, `?`, or an operator, found `bytes`
[INFO] [stderr]   --> src/main.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 |     println!("c={}",size={} bytes,c,mem::size_of_val(%c));
[INFO] [stderr]    |                             ^^^^^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:16:40
[INFO] [stderr]    |
[INFO] [stderr] 16 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:19:40
[INFO] [stderr]    |
[INFO] [stderr] 19 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:22:40
[INFO] [stderr]    |
[INFO] [stderr] 22 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `,`, `.`, `?`, or an operator, found `bytes`
[INFO] [stderr]   --> src/main.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 |     println!("c={}",size={} bytes,c,mem::size_of_val(%c));
[INFO] [stderr]    |                             ^^^^^ expected one of `,`, `.`, `?`, or an operator
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:16:40
[INFO] [stderr]    |
[INFO] [stderr] 16 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:18:40
[INFO] [stderr]    |
[INFO] [stderr] 18 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:19:40
[INFO] [stderr]    |
[INFO] [stderr] 19 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] error: argument never used
[INFO] [stderr]   --> src/main.rs:22:40
[INFO] [stderr]    |
[INFO] [stderr] 22 |     println!("CHecking the git commit","Yes");
[INFO] [stderr]    |              ------------------------- ^^^^^ argument never used
[INFO] [stderr]    |              |
[INFO] [stderr]    |              formatting specifier missing
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `Rust_Projects`.
[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 `Rust_Projects`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "77403a36a4bb16856a4ee081679e0314e774e6095f19232c63cb4cd7e185108b"`
[INFO] running `"docker" "rm" "-f" "77403a36a4bb16856a4ee081679e0314e774e6095f19232c63cb4cd7e185108b"`
[INFO] [stdout] 77403a36a4bb16856a4ee081679e0314e774e6095f19232c63cb4cd7e185108b