[INFO] cloning repository https://github.com/MohamedMoustafaNUIG/Rust-Syntax
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MohamedMoustafaNUIG/Rust-Syntax" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMohamedMoustafaNUIG%2FRust-Syntax", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMohamedMoustafaNUIG%2FRust-Syntax'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 852e70928e2f584abd7744a7a4a946af5aa22448
[INFO] checking MohamedMoustafaNUIG/Rust-Syntax against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMohamedMoustafaNUIG%2FRust-Syntax" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MohamedMoustafaNUIG/Rust-Syntax on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MohamedMoustafaNUIG/Rust-Syntax
[INFO] finished tweaking git repo https://github.com/MohamedMoustafaNUIG/Rust-Syntax
[INFO] tweaked toml for git repo https://github.com/MohamedMoustafaNUIG/Rust-Syntax written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/MohamedMoustafaNUIG/Rust-Syntax already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfbf670405756b44ac2090a6429b071301147068f9936d6deca9c9120d4ace09
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dfbf670405756b44ac2090a6429b071301147068f9936d6deca9c9120d4ace09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfbf670405756b44ac2090a6429b071301147068f9936d6deca9c9120d4ace09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfbf670405756b44ac2090a6429b071301147068f9936d6deca9c9120d4ace09", kill_on_drop: false }`
[INFO] [stdout] dfbf670405756b44ac2090a6429b071301147068f9936d6deca9c9120d4ace09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8df2050ccb0b20c3a5eeda32823f39582ffb3fb7d25ad38e4a5462ad9976617
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c8df2050ccb0b20c3a5eeda32823f39582ffb3fb7d25ad38e4a5462ad9976617", 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] [stderr]     Checking basic_rust_syntax 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:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |         println!("{}", );
[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:156:13
[INFO] [stdout]     |
[INFO] [stdout] 156 |         println!("{}", );
[INFO] [stdout]     |                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basic_rust_syntax`
[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" "c8df2050ccb0b20c3a5eeda32823f39582ffb3fb7d25ad38e4a5462ad9976617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8df2050ccb0b20c3a5eeda32823f39582ffb3fb7d25ad38e4a5462ad9976617", kill_on_drop: false }`
[INFO] [stdout] c8df2050ccb0b20c3a5eeda32823f39582ffb3fb7d25ad38e4a5462ad9976617