[INFO] fetching crate dlhn_derive 0.1.1...
[INFO] testing dlhn_derive-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate dlhn_derive 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate dlhn_derive 0.1.1
[INFO] finished tweaking crates.io crate dlhn_derive 0.1.1
[INFO] tweaked toml for crates.io crate dlhn_derive 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dlhn_derive 0.1.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce8155e566478b403650b80046345938b986b04434098a4f6001226f74e0d1b8
[INFO] running `Command { std: "docker" "start" "-a" "ce8155e566478b403650b80046345938b986b04434098a4f6001226f74e0d1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce8155e566478b403650b80046345938b986b04434098a4f6001226f74e0d1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8155e566478b403650b80046345938b986b04434098a4f6001226f74e0d1b8", kill_on_drop: false }`
[INFO] [stdout] ce8155e566478b403650b80046345938b986b04434098a4f6001226f74e0d1b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02da68858a171ae5d492b32bc0dc240515abe0019685dcc6ecdf5038a1e8f3b7
[INFO] running `Command { std: "docker" "start" "-a" "02da68858a171ae5d492b32bc0dc240515abe0019685dcc6ecdf5038a1e8f3b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling dlhn_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `PREFIX_VARINT_BUF_SIZE` and `decode_prefix_varint` are never used
[INFO] [stdout]  --> src/prefix_varint.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) trait PrefixVarint<const N: usize>: Sized {
[INFO] [stdout]   |                  ------------ associated items in this trait
[INFO] [stdout] 6 |     const PREFIX_VARINT_BUF_SIZE: usize = N;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn decode_prefix_varint(reader: &mut impl Read) -> Result<Self>;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_prefix` is never used
[INFO] [stdout]   --> src/prefix_varint.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn decode_prefix(reader: &mut impl Read) -> Result<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "02da68858a171ae5d492b32bc0dc240515abe0019685dcc6ecdf5038a1e8f3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02da68858a171ae5d492b32bc0dc240515abe0019685dcc6ecdf5038a1e8f3b7", kill_on_drop: false }`
[INFO] [stdout] 02da68858a171ae5d492b32bc0dc240515abe0019685dcc6ecdf5038a1e8f3b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd44128c2203611a7acfe30369c73722187ef760594ba6cf90d43a92d25a88f6
[INFO] running `Command { std: "docker" "start" "-a" "dd44128c2203611a7acfe30369c73722187ef760594ba6cf90d43a92d25a88f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling dlhn_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `PREFIX_VARINT_BUF_SIZE` and `decode_prefix_varint` are never used
[INFO] [stdout]  --> src/prefix_varint.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) trait PrefixVarint<const N: usize>: Sized {
[INFO] [stdout]   |                  ------------ associated items in this trait
[INFO] [stdout] 6 |     const PREFIX_VARINT_BUF_SIZE: usize = N;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn decode_prefix_varint(reader: &mut impl Read) -> Result<Self>;
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_prefix` is never used
[INFO] [stdout]   --> src/prefix_varint.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn decode_prefix(reader: &mut impl Read) -> Result<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "dd44128c2203611a7acfe30369c73722187ef760594ba6cf90d43a92d25a88f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd44128c2203611a7acfe30369c73722187ef760594ba6cf90d43a92d25a88f6", kill_on_drop: false }`
[INFO] [stdout] dd44128c2203611a7acfe30369c73722187ef760594ba6cf90d43a92d25a88f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cbc3439a7134528f0c55a83d9ade6214f99be77dd84b704ab4927b632c505cd
[INFO] running `Command { std: "docker" "start" "-a" "1cbc3439a7134528f0c55a83d9ade6214f99be77dd84b704ab4927b632c505cd", kill_on_drop: false }`
[INFO] [stderr] warning: associated items `PREFIX_VARINT_BUF_SIZE` and `decode_prefix_varint` are never used
[INFO] [stderr]  --> src/prefix_varint.rs:6:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub(crate) trait PrefixVarint<const N: usize>: Sized {
[INFO] [stderr]   |                  ------------ associated items in this trait
[INFO] [stderr] 6 |     const PREFIX_VARINT_BUF_SIZE: usize = N;
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     fn decode_prefix_varint(reader: &mut impl Read) -> Result<Self>;
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `decode_prefix` is never used
[INFO] [stderr]   --> src/prefix_varint.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn decode_prefix(reader: &mut impl Read) -> Result<u8> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dlhn_derive` (lib) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dlhn_derive-7c3ab1fe7281a946)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test prefix_varint::tests::decode_u64 ... ok
[INFO] [stdout] test prefix_varint::tests::decode_u16 ... ok
[INFO] [stdout] test prefix_varint::tests::encode_u16 ... ok
[INFO] [stdout] test prefix_varint::tests::encode_u32 ... ok
[INFO] [stdout] test prefix_varint::tests::decode_u8 ... ok
[INFO] [stdout] test prefix_varint::tests::encode_u64 ... ok
[INFO] [stdout] test prefix_varint::tests::encode_u8 ... ok
[INFO] [stdout] test prefix_varint::tests::issue_2 ... ok
[INFO] [stderr]    Doc-tests dlhn_derive
[INFO] [stdout] test prefix_varint::tests::decode_u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "1cbc3439a7134528f0c55a83d9ade6214f99be77dd84b704ab4927b632c505cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cbc3439a7134528f0c55a83d9ade6214f99be77dd84b704ab4927b632c505cd", kill_on_drop: false }`
[INFO] [stdout] 1cbc3439a7134528f0c55a83d9ade6214f99be77dd84b704ab4927b632c505cd