[INFO] cloning repository https://github.com/Swap-nil-2003/Rust_Basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Swap-nil-2003/Rust_Basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwap-nil-2003%2FRust_Basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwap-nil-2003%2FRust_Basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3da2247724c3f0a97fc8797833d1eb91dadf3d97
[INFO] checking Swap-nil-2003/Rust_Basics against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwap-nil-2003%2FRust_Basics" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Swap-nil-2003/Rust_Basics on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Swap-nil-2003/Rust_Basics
[INFO] finished tweaking git repo https://github.com/Swap-nil-2003/Rust_Basics
[INFO] tweaked toml for git repo https://github.com/Swap-nil-2003/Rust_Basics written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Swap-nil-2003/Rust_Basics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Swap-nil-2003/Rust_Basics against try#7ee76453dd3eae6de6c1351f26482bed63b01beb for pr-121545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwap-nil-2003%2FRust_Basics" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Swap-nil-2003/Rust_Basics on toolchain 7ee76453dd3eae6de6c1351f26482bed63b01beb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Swap-nil-2003/Rust_Basics
[INFO] finished tweaking git repo https://github.com/Swap-nil-2003/Rust_Basics
[INFO] tweaked toml for git repo https://github.com/Swap-nil-2003/Rust_Basics written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Swap-nil-2003/Rust_Basics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2984d4e74a91f7ff5d80bf7e90752b0aa39a0aa6beda9ca930a74631440e5261
[INFO] running `Command { std: "docker" "start" "-a" "2984d4e74a91f7ff5d80bf7e90752b0aa39a0aa6beda9ca930a74631440e5261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2984d4e74a91f7ff5d80bf7e90752b0aa39a0aa6beda9ca930a74631440e5261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2984d4e74a91f7ff5d80bf7e90752b0aa39a0aa6beda9ca930a74631440e5261", kill_on_drop: false }`
[INFO] [stdout] 2984d4e74a91f7ff5d80bf7e90752b0aa39a0aa6beda9ca930a74631440e5261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9f0d5e12b6268207f89db3587df673eebd9d145c6c26c5ccb0b16f63a77be38
[INFO] running `Command { std: "docker" "start" "-a" "a9f0d5e12b6268207f89db3587df673eebd9d145c6c26c5ccb0b16f63a77be38", kill_on_drop: false }`
[INFO] [stderr]     Checking Rust_Basics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: 1 positional argument in format string, but no arguments were given
[INFO] [stdout]  --> src/main.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 |     println!("Hello, world{}");
[INFO] [stdout]   |                           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 1 positional argument in format string, but no arguments were given
[INFO] [stdout]  --> src/main.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 |     println!("Hello, world{}");
[INFO] [stdout]   |                           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/main.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut gravity:i32=10;
[INFO] [stdout]   |                     --- expected due to this type
[INFO] [stdout] 8 |     
[INFO] [stdout] 9 |     gravity =9.81;
[INFO] [stdout]   |              ^^^^ expected `i32`, found floating-point number
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/main.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut gravity:i32=10;
[INFO] [stdout]   |                     --- expected due to this type
[INFO] [stdout] 8 |     
[INFO] [stdout] 9 |     gravity =9.81;
[INFO] [stdout]   |              ^^^^ expected `i32`, found floating-point number
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Rust_Basics` (bin "Rust_Basics") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `Rust_Basics` (bin "Rust_Basics" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a9f0d5e12b6268207f89db3587df673eebd9d145c6c26c5ccb0b16f63a77be38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f0d5e12b6268207f89db3587df673eebd9d145c6c26c5ccb0b16f63a77be38", kill_on_drop: false }`
[INFO] [stdout] a9f0d5e12b6268207f89db3587df673eebd9d145c6c26c5ccb0b16f63a77be38