[INFO] fetching crate my-notes 1.4.2...
[INFO] testing my-notes-1.4.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate my-notes 1.4.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate my-notes 1.4.2
[INFO] finished tweaking crates.io crate my-notes 1.4.2
[INFO] tweaked toml for crates.io crate my-notes 1.4.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate my-notes 1.4.2 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 my-notes 1.4.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c83a6a87d22ff5ad00d450fd7ca195dde997bc42ddf3e45c9514126939581e99
[INFO] running `Command { std: "docker" "start" "-a" "c83a6a87d22ff5ad00d450fd7ca195dde997bc42ddf3e45c9514126939581e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c83a6a87d22ff5ad00d450fd7ca195dde997bc42ddf3e45c9514126939581e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c83a6a87d22ff5ad00d450fd7ca195dde997bc42ddf3e45c9514126939581e99", kill_on_drop: false }`
[INFO] [stdout] c83a6a87d22ff5ad00d450fd7ca195dde997bc42ddf3e45c9514126939581e99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0f06eba700cb76c049a85b5ca6a56ca4d9e94247d55d729a2936e7315805d8c2
[INFO] running `Command { std: "docker" "start" "-a" "0f06eba700cb76c049a85b5ca6a56ca4d9e94247d55d729a2936e7315805d8c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling minimad v0.12.0
[INFO] [stderr]    Compiling is_executable v1.0.4
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling magic_string_search v0.2.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.23.2
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling coolor v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling termimad v0.23.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling clap v4.5.41
[INFO] [stderr]    Compiling clap_complete v4.5.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling my-notes v1.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/main.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 |             format!("No notes found at path: {:?}", path);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 316 |             let _ = format!("No notes found at path: {:?}", path);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.59s
[INFO] running `Command { std: "docker" "inspect" "0f06eba700cb76c049a85b5ca6a56ca4d9e94247d55d729a2936e7315805d8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f06eba700cb76c049a85b5ca6a56ca4d9e94247d55d729a2936e7315805d8c2", kill_on_drop: false }`
[INFO] [stdout] 0f06eba700cb76c049a85b5ca6a56ca4d9e94247d55d729a2936e7315805d8c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3b67eb171eeb1b291616f3208b9a1c65cf0de9a3ad061c3af48cc7633caed3b6
[INFO] running `Command { std: "docker" "start" "-a" "3b67eb171eeb1b291616f3208b9a1c65cf0de9a3ad061c3af48cc7633caed3b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling my-notes v1.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/main.rs:316:13
[INFO] [stdout]     |
[INFO] [stdout] 316 |             format!("No notes found at path: {:?}", path);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 316 |             let _ = format!("No notes found at path: {:?}", path);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "3b67eb171eeb1b291616f3208b9a1c65cf0de9a3ad061c3af48cc7633caed3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b67eb171eeb1b291616f3208b9a1c65cf0de9a3ad061c3af48cc7633caed3b6", kill_on_drop: false }`
[INFO] [stdout] 3b67eb171eeb1b291616f3208b9a1c65cf0de9a3ad061c3af48cc7633caed3b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3583b8fea7dc4185ac91e376b94963e843a94ac445b938d5f7aa4af27bc85d43
[INFO] running `Command { std: "docker" "start" "-a" "3583b8fea7dc4185ac91e376b94963e843a94ac445b938d5f7aa4af27bc85d43", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `must_use` that must be used
[INFO] [stderr]    --> src/main.rs:316:13
[INFO] [stderr]     |
[INFO] [stderr] 316 |             format!("No notes found at path: {:?}", path);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 316 |             let _ = format!("No notes found at path: {:?}", path);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `my-notes` (bin "my-notes" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/my_notes-0e0b667faf962570)
[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" "3583b8fea7dc4185ac91e376b94963e843a94ac445b938d5f7aa4af27bc85d43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3583b8fea7dc4185ac91e376b94963e843a94ac445b938d5f7aa4af27bc85d43", kill_on_drop: false }`
[INFO] [stdout] 3583b8fea7dc4185ac91e376b94963e843a94ac445b938d5f7aa4af27bc85d43