[INFO] fetching crate rust_clue_solver_2 0.1.2...
[INFO] checking rust_clue_solver_2-0.1.2 against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] extracting crate rust_clue_solver_2 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate rust_clue_solver_2 0.1.2 on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_clue_solver_2 0.1.2
[INFO] finished tweaking crates.io crate rust_clue_solver_2 0.1.2
[INFO] tweaked toml for crates.io crate rust_clue_solver_2 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f1dc717786a9d949f227216362326584783e5162c5c4ad4738a9a8ee7055cca
[INFO] running `Command { std: "docker" "start" "-a" "4f1dc717786a9d949f227216362326584783e5162c5c4ad4738a9a8ee7055cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f1dc717786a9d949f227216362326584783e5162c5c4ad4738a9a8ee7055cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1dc717786a9d949f227216362326584783e5162c5c4ad4738a9a8ee7055cca", kill_on_drop: false }`
[INFO] [stdout] 4f1dc717786a9d949f227216362326584783e5162c5c4ad4738a9a8ee7055cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53dd5e92f7726afb411131338239848cf8bec6c50c142da4499bba2e195cce52
[INFO] running `Command { std: "docker" "start" "-a" "53dd5e92f7726afb411131338239848cf8bec6c50c142da4499bba2e195cce52", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_clue_solver_2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/card.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct InvalidCardType(String);
[INFO] [stdout]    |            --------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `InvalidCardType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmeta6zGsrH/full.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_clue_solver_2` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/card.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct InvalidCardType(String);
[INFO] [stdout]    |            --------------- ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `InvalidCardType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53dd5e92f7726afb411131338239848cf8bec6c50c142da4499bba2e195cce52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53dd5e92f7726afb411131338239848cf8bec6c50c142da4499bba2e195cce52", kill_on_drop: false }`
[INFO] [stdout] 53dd5e92f7726afb411131338239848cf8bec6c50c142da4499bba2e195cce52