[INFO] cloning repository https://github.com/unforgivenii147/ast_serial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unforgivenii147/ast_serial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funforgivenii147%2Fast_serial", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30589d3b76b0f3ae5ae4db8cb00ae641e3e3c515
[INFO] checking unforgivenii147/ast_serial against a7c37f9f0ee5e93396106e9de20f4a86b4154e63 for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funforgivenii147%2Fast_serial" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/unforgivenii147/ast_serial
[INFO] finished tweaking git repo https://github.com/unforgivenii147/ast_serial
[INFO] tweaked toml for git repo https://github.com/unforgivenii147/ast_serial written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/unforgivenii147/ast_serial on toolchain a7c37f9f0ee5e93396106e9de20f4a86b4154e63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/unforgivenii147/ast_serial 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" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 96bd1fdd7738e2c6a02162e76424d41b99ccd6bf0075a51b57dc3ed81fc8bad2
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[INFO] [stdout] warning: constant `TAG_LITERAL_BYTES` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | const TAG_LITERAL_BYTES: u8 = 5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LITERAL_COMPLEX` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const TAG_LITERAL_COMPLEX: u8 = 7;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LIST_STR` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | const TAG_LIST_STR: u8 = 22;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LIST_BYTES` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const TAG_LIST_BYTES: u8 = 23;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LITERAL_BYTES` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | const TAG_LITERAL_BYTES: u8 = 5;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LITERAL_COMPLEX` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const TAG_LITERAL_COMPLEX: u8 = 7;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LIST_STR` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | const TAG_LIST_STR: u8 = 22;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_LIST_BYTES` is never used
[INFO] [stdout]   --> src/serialize_ast.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const TAG_LIST_BYTES: u8 = 23;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.08s
[INFO] running `Command { std: "docker" "inspect" "96bd1fdd7738e2c6a02162e76424d41b99ccd6bf0075a51b57dc3ed81fc8bad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96bd1fdd7738e2c6a02162e76424d41b99ccd6bf0075a51b57dc3ed81fc8bad2", kill_on_drop: false }`
[INFO] [stdout] 96bd1fdd7738e2c6a02162e76424d41b99ccd6bf0075a51b57dc3ed81fc8bad2
