[INFO] fetching crate rust_clue_solver_2 0.1.2...
[INFO] building rust_clue_solver_2-0.1.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rust_clue_solver_2 0.1.2 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_clue_solver_2 0.1.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b20d7d03f112a490ac20bd4baed40ebbdecad89034b0268f9ea3424b3110628
[INFO] running `Command { std: "docker" "start" "-a" "0b20d7d03f112a490ac20bd4baed40ebbdecad89034b0268f9ea3424b3110628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b20d7d03f112a490ac20bd4baed40ebbdecad89034b0268f9ea3424b3110628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b20d7d03f112a490ac20bd4baed40ebbdecad89034b0268f9ea3424b3110628", kill_on_drop: false }`
[INFO] [stdout] 0b20d7d03f112a490ac20bd4baed40ebbdecad89034b0268f9ea3424b3110628
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65e12c9cef6c570664158f7276d715d714f71125d9fee99b8d01e9e0ae298946
[INFO] running `Command { std: "docker" "start" "-a" "65e12c9cef6c570664158f7276d715d714f71125d9fee99b8d01e9e0ae298946", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "65e12c9cef6c570664158f7276d715d714f71125d9fee99b8d01e9e0ae298946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e12c9cef6c570664158f7276d715d714f71125d9fee99b8d01e9e0ae298946", kill_on_drop: false }`
[INFO] [stdout] 65e12c9cef6c570664158f7276d715d714f71125d9fee99b8d01e9e0ae298946
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eb76ba54668c915bf27423d08915c40f2c8550293b2dcc8442a1e9692b3095e
[INFO] running `Command { std: "docker" "start" "-a" "8eb76ba54668c915bf27423d08915c40f2c8550293b2dcc8442a1e9692b3095e", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "8eb76ba54668c915bf27423d08915c40f2c8550293b2dcc8442a1e9692b3095e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb76ba54668c915bf27423d08915c40f2c8550293b2dcc8442a1e9692b3095e", kill_on_drop: false }`
[INFO] [stdout] 8eb76ba54668c915bf27423d08915c40f2c8550293b2dcc8442a1e9692b3095e