[INFO] cloning repository https://github.com/JoelCar06/Alt-project-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoelCar06/Alt-project-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoelCar06%2FAlt-project-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoelCar06%2FAlt-project-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50cc3f077f5fe861893422402fd8b23c2c74a9a4
[INFO] checking JoelCar06/Alt-project-rust against try#77e966048a5976133ba6b8f26d38d558f2a84355 for pr-136638
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoelCar06%2FAlt-project-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoelCar06/Alt-project-rust on toolchain 77e966048a5976133ba6b8f26d38d558f2a84355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+77e966048a5976133ba6b8f26d38d558f2a84355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JoelCar06/Alt-project-rust
[INFO] finished tweaking git repo https://github.com/JoelCar06/Alt-project-rust
[INFO] tweaked toml for git repo https://github.com/JoelCar06/Alt-project-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JoelCar06/Alt-project-rust 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" "+77e966048a5976133ba6b8f26d38d558f2a84355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+77e966048a5976133ba6b8f26d38d558f2a84355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be7b7f4f4a0d5eae0d58b03863345ef4d68083f577bd9d1f5c580f8a124bc9ad
[INFO] running `Command { std: "docker" "start" "-a" "be7b7f4f4a0d5eae0d58b03863345ef4d68083f577bd9d1f5c580f8a124bc9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7b7f4f4a0d5eae0d58b03863345ef4d68083f577bd9d1f5c580f8a124bc9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7b7f4f4a0d5eae0d58b03863345ef4d68083f577bd9d1f5c580f8a124bc9ad", kill_on_drop: false }`
[INFO] [stdout] be7b7f4f4a0d5eae0d58b03863345ef4d68083f577bd9d1f5c580f8a124bc9ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+77e966048a5976133ba6b8f26d38d558f2a84355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8c69d02922db992ce95b82324cb51524f6c8c9b6ae87c96def18ee7e7734a71
[INFO] running `Command { std: "docker" "start" "-a" "e8c69d02922db992ce95b82324cb51524f6c8c9b6ae87c96def18ee7e7734a71", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking alt_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid format string: expected numerical precision
[INFO] [stdout]    --> main.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |     println!("{:.?}",a);
[INFO] [stdout]     |                 ^ missing precision in format string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid format string: expected numerical precision
[INFO] [stdout]    --> main.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |     println!("{:.?}",a);
[INFO] [stdout]     |                 ^ missing precision in format string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alt_project` (bin "alt_project") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `alt_project` (bin "alt_project" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e8c69d02922db992ce95b82324cb51524f6c8c9b6ae87c96def18ee7e7734a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c69d02922db992ce95b82324cb51524f6c8c9b6ae87c96def18ee7e7734a71", kill_on_drop: false }`
[INFO] [stdout] e8c69d02922db992ce95b82324cb51524f6c8c9b6ae87c96def18ee7e7734a71