[INFO] fetching crate flake-watcher 0.1.1...
[INFO] testing flake-watcher-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate flake-watcher 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate flake-watcher 0.1.1
[INFO] finished tweaking crates.io crate flake-watcher 0.1.1
[INFO] tweaked toml for crates.io crate flake-watcher 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flake-watcher 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flake-watcher 0.1.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ba9193bedf626816145919f9c60125772624731d1acd6b7b7535fd428ad3243
[INFO] running `Command { std: "docker" "start" "-a" "3ba9193bedf626816145919f9c60125772624731d1acd6b7b7535fd428ad3243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ba9193bedf626816145919f9c60125772624731d1acd6b7b7535fd428ad3243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba9193bedf626816145919f9c60125772624731d1acd6b7b7535fd428ad3243", kill_on_drop: false }`
[INFO] [stdout] 3ba9193bedf626816145919f9c60125772624731d1acd6b7b7535fd428ad3243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc22f7ea0e4fa7eda068b984cad2db2e9b0762793dd6e02c69b916e56ccd6f98
[INFO] running `Command { std: "docker" "start" "-a" "bc22f7ea0e4fa7eda068b984cad2db2e9b0762793dd6e02c69b916e56ccd6f98", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling clap_lex v0.3.1
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.19
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling is-terminal v0.4.2
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]    Compiling clap v4.1.1
[INFO] [stderr]    Compiling flake-watcher v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `package_name` is never read
[INFO] [stdout]   --> src/flakes.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct ResolvedBuildOptions {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub package_name: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `watcher` is never read
[INFO] [stdout]   --> src/flakes.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct FlakeWatcher {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 82 |     pub watcher: notify::RecommendedWatcher,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.73s
[INFO] running `Command { std: "docker" "inspect" "bc22f7ea0e4fa7eda068b984cad2db2e9b0762793dd6e02c69b916e56ccd6f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc22f7ea0e4fa7eda068b984cad2db2e9b0762793dd6e02c69b916e56ccd6f98", kill_on_drop: false }`
[INFO] [stdout] bc22f7ea0e4fa7eda068b984cad2db2e9b0762793dd6e02c69b916e56ccd6f98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2f39eeee8da6c96ef6a859b1a7fee12fbf756dfe8215d2d1c5b1db488c8ed51
[INFO] running `Command { std: "docker" "start" "-a" "b2f39eeee8da6c96ef6a859b1a7fee12fbf756dfe8215d2d1c5b1db488c8ed51", kill_on_drop: false }`
[INFO] [stderr]    Compiling flake-watcher v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `package_name` is never read
[INFO] [stdout]   --> src/flakes.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct ResolvedBuildOptions {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub package_name: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `watcher` is never read
[INFO] [stdout]   --> src/flakes.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct FlakeWatcher {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 82 |     pub watcher: notify::RecommendedWatcher,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "b2f39eeee8da6c96ef6a859b1a7fee12fbf756dfe8215d2d1c5b1db488c8ed51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f39eeee8da6c96ef6a859b1a7fee12fbf756dfe8215d2d1c5b1db488c8ed51", kill_on_drop: false }`
[INFO] [stdout] b2f39eeee8da6c96ef6a859b1a7fee12fbf756dfe8215d2d1c5b1db488c8ed51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2e0ba735c95f10b0bb304fca7f1cbf51f87b44ad980f36b6121c6307dbe8fe0
[INFO] running `Command { std: "docker" "start" "-a" "c2e0ba735c95f10b0bb304fca7f1cbf51f87b44ad980f36b6121c6307dbe8fe0", kill_on_drop: false }`
[INFO] [stderr] warning: field `package_name` is never read
[INFO] [stderr]   --> src/flakes.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct ResolvedBuildOptions {
[INFO] [stderr]    |            -------------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub package_name: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `watcher` is never read
[INFO] [stderr]   --> src/flakes.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub struct FlakeWatcher {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 82 |     pub watcher: notify::RecommendedWatcher,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `flake-watcher` (bin "flake-watcher" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flake_watcher-bceea0c60910e6a6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c2e0ba735c95f10b0bb304fca7f1cbf51f87b44ad980f36b6121c6307dbe8fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e0ba735c95f10b0bb304fca7f1cbf51f87b44ad980f36b6121c6307dbe8fe0", kill_on_drop: false }`
[INFO] [stdout] c2e0ba735c95f10b0bb304fca7f1cbf51f87b44ad980f36b6121c6307dbe8fe0