[INFO] fetching crate nanocom 0.2.1...
[INFO] testing nanocom-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nanocom 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nanocom 0.2.1
[INFO] finished tweaking crates.io crate nanocom 0.2.1
[INFO] tweaked toml for crates.io crate nanocom 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nanocom 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "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" "+beta-2025-10-28" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12941c571f94ddd53baa5bae2a008b57cf484958f6d78a19ca25295b7389198f
[INFO] running `Command { std: "docker" "start" "-a" "12941c571f94ddd53baa5bae2a008b57cf484958f6d78a19ca25295b7389198f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12941c571f94ddd53baa5bae2a008b57cf484958f6d78a19ca25295b7389198f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12941c571f94ddd53baa5bae2a008b57cf484958f6d78a19ca25295b7389198f", kill_on_drop: false }`
[INFO] [stdout] 12941c571f94ddd53baa5bae2a008b57cf484958f6d78a19ca25295b7389198f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a1c9a3678447dc06a1ebf40fd0b33a65d661bf0e21668bbbfda4b33cdfda19a
[INFO] running `Command { std: "docker" "start" "-a" "5a1c9a3678447dc06a1ebf40fd0b33a65d661bf0e21668bbbfda4b33cdfda19a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanocom v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/cobject.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 unsafe { Box::from_raw(m) };
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 57 |                 unsafe { let _ = Box::from_raw(m); };
[INFO] [stdout]    |                          +++++++                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "5a1c9a3678447dc06a1ebf40fd0b33a65d661bf0e21668bbbfda4b33cdfda19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1c9a3678447dc06a1ebf40fd0b33a65d661bf0e21668bbbfda4b33cdfda19a", kill_on_drop: false }`
[INFO] [stdout] 5a1c9a3678447dc06a1ebf40fd0b33a65d661bf0e21668bbbfda4b33cdfda19a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a54f05fe6219ab4b17495aaea8222c7ebe34e2fbe53080b69bf3a3ebfbb5be
[INFO] running `Command { std: "docker" "start" "-a" "c0a54f05fe6219ab4b17495aaea8222c7ebe34e2fbe53080b69bf3a3ebfbb5be", kill_on_drop: false }`
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/cobject.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 unsafe { Box::from_raw(m) };
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 57 |                 unsafe { let _ = Box::from_raw(m); };
[INFO] [stdout]    |                          +++++++                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nanocom v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/cobject.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 unsafe { Box::from_raw(m) };
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 57 |                 unsafe { let _ = Box::from_raw(m); };
[INFO] [stdout]    |                          +++++++                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "c0a54f05fe6219ab4b17495aaea8222c7ebe34e2fbe53080b69bf3a3ebfbb5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a54f05fe6219ab4b17495aaea8222c7ebe34e2fbe53080b69bf3a3ebfbb5be", kill_on_drop: false }`
[INFO] [stdout] c0a54f05fe6219ab4b17495aaea8222c7ebe34e2fbe53080b69bf3a3ebfbb5be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2a84dda6fee1ba2a6af95de59671bddf244a59a92ecdc64c6a0805df51f5f03
[INFO] running `Command { std: "docker" "start" "-a" "f2a84dda6fee1ba2a6af95de59671bddf244a59a92ecdc64c6a0805df51f5f03", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/cobject.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 unsafe { Box::from_raw(m) };
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[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] 57 |                 unsafe { let _ = Box::from_raw(m); };
[INFO] [stderr]    |                          +++++++                 +
[INFO] [stderr] 
[INFO] [stderr] warning: `nanocom` (lib) generated 1 warning
[INFO] [stderr] warning: `nanocom` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nanocom-9ab30af0aee6d26b)
[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] [stderr]      Running tests/it.rs (/opt/rustwide/target/debug/deps/it-0f3fff1f2a17fa2a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test use_number::test ... ok
[INFO] [stdout] test use_destructor::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/itmod.rs (/opt/rustwide/target/debug/deps/itmod-ce241d6c6dd213f1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test use_destructor::test ... ok
[INFO] [stdout] test use_number::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nanocom
[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" "f2a84dda6fee1ba2a6af95de59671bddf244a59a92ecdc64c6a0805df51f5f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a84dda6fee1ba2a6af95de59671bddf244a59a92ecdc64c6a0805df51f5f03", kill_on_drop: false }`
[INFO] [stdout] f2a84dda6fee1ba2a6af95de59671bddf244a59a92ecdc64c6a0805df51f5f03