[INFO] cloning repository https://github.com/unixway/librarian
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unixway/librarian" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixway%2Flibrarian", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixway%2Flibrarian'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b0cc059b919e292d63b49337cbf6bd24af66f2e
[INFO] checking unixway/librarian against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixway%2Flibrarian" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/unixway/librarian
[INFO] finished tweaking git repo https://github.com/unixway/librarian
[INFO] tweaked toml for git repo https://github.com/unixway/librarian written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/unixway/librarian on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/unixway/librarian 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded liblzma v0.4.2
[INFO] [stderr]   Downloaded libbz2-rs-sys v0.2.1
[INFO] [stderr]   Downloaded zip v4.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ce48104690aac70bc5e51300c1a1fb4e74f76f252d9e9a083a2fa519026fb0c
[INFO] running `Command { std: "docker" "start" "-a" "0ce48104690aac70bc5e51300c1a1fb4e74f76f252d9e9a083a2fa519026fb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ce48104690aac70bc5e51300c1a1fb4e74f76f252d9e9a083a2fa519026fb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce48104690aac70bc5e51300c1a1fb4e74f76f252d9e9a083a2fa519026fb0c", kill_on_drop: false }`
[INFO] [stdout] 0ce48104690aac70bc5e51300c1a1fb4e74f76f252d9e9a083a2fa519026fb0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24f79fe02c00df27fff886b4252b08af39d79a8d605747df7ad12216e93308a7
[INFO] running `Command { std: "docker" "start" "-a" "24f79fe02c00df27fff886b4252b08af39d79a8d605747df7ad12216e93308a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking zlib-rs v0.5.1
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking libbz2-rs-sys v0.2.1
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking deflate64 v0.1.9
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ppmd-rust v1.2.1
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking zopfli v0.8.2
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking clap_builder v4.5.41
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking bzip2 v0.6.0
[INFO] [stderr]     Checking libz-rs-sys v0.5.1
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling liblzma-sys v0.4.4
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking liblzma v0.4.2
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking zip v4.3.0
[INFO] [stderr]     Checking clap v4.5.41
[INFO] [stderr]     Checking librarian v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{arg, Parser, Subcommand};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arg`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{arg, Parser, Subcommand};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/types.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct FileEntry {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lib_id` and `deleted` are never read
[INFO] [stdout]   --> src/types.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Book {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub lib_id: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 26 |     pub deleted: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]   --> src/types.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct FileEntry {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub size: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lib_id` and `deleted` are never read
[INFO] [stdout]   --> src/types.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Book {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub lib_id: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 26 |     pub deleted: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `Command { std: "docker" "inspect" "24f79fe02c00df27fff886b4252b08af39d79a8d605747df7ad12216e93308a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f79fe02c00df27fff886b4252b08af39d79a8d605747df7ad12216e93308a7", kill_on_drop: false }`
[INFO] [stdout] 24f79fe02c00df27fff886b4252b08af39d79a8d605747df7ad12216e93308a7