[INFO] fetching crate dlhn_derive 0.1.1...
[INFO] testing dlhn_derive-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate dlhn_derive 0.1.1 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dlhn_derive 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33dcd321fd394371975ac6247b83b0a34faa294d5e9b5a061e14d522d09f3741
[INFO] running `Command { std: "docker" "start" "-a" "33dcd321fd394371975ac6247b83b0a34faa294d5e9b5a061e14d522d09f3741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33dcd321fd394371975ac6247b83b0a34faa294d5e9b5a061e14d522d09f3741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33dcd321fd394371975ac6247b83b0a34faa294d5e9b5a061e14d522d09f3741", kill_on_drop: false }`
[INFO] [stdout] 33dcd321fd394371975ac6247b83b0a34faa294d5e9b5a061e14d522d09f3741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86befcc809915226b6d979d54b12f0c5815f2127cce845eb57f3c98fe57effbe
[INFO] running `Command { std: "docker" "start" "-a" "86befcc809915226b6d979d54b12f0c5815f2127cce845eb57f3c98fe57effbe", 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)]` (part of `#[warn(unused)]`) 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 0.68s
[INFO] running `Command { std: "docker" "inspect" "86befcc809915226b6d979d54b12f0c5815f2127cce845eb57f3c98fe57effbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86befcc809915226b6d979d54b12f0c5815f2127cce845eb57f3c98fe57effbe", kill_on_drop: false }`
[INFO] [stdout] 86befcc809915226b6d979d54b12f0c5815f2127cce845eb57f3c98fe57effbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdacaf2dd12683932a996771f1ea47560ee8cdefda243dc3ba8f9293cc242c69
[INFO] running `Command { std: "docker" "start" "-a" "cdacaf2dd12683932a996771f1ea47560ee8cdefda243dc3ba8f9293cc242c69", 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)]` (part of `#[warn(unused)]`) 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 0.82s
[INFO] running `Command { std: "docker" "inspect" "cdacaf2dd12683932a996771f1ea47560ee8cdefda243dc3ba8f9293cc242c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdacaf2dd12683932a996771f1ea47560ee8cdefda243dc3ba8f9293cc242c69", kill_on_drop: false }`
[INFO] [stdout] cdacaf2dd12683932a996771f1ea47560ee8cdefda243dc3ba8f9293cc242c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a6febc0e523d174fb210b4a43d57f47988cd15294c2ae5405c1c69f5dc7ec9e
[INFO] running `Command { std: "docker" "start" "-a" "4a6febc0e523d174fb210b4a43d57f47988cd15294c2ae5405c1c69f5dc7ec9e", 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)]` (part of `#[warn(unused)]`) 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 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dlhn_derive-1923f170c61f1c11)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test prefix_varint::tests::decode_u16 ... ok
[INFO] [stdout] test prefix_varint::tests::decode_u32 ... ok
[INFO] [stdout] test prefix_varint::tests::decode_u64 ... ok
[INFO] [stdout] test prefix_varint::tests::encode_u32 ... ok
[INFO] [stdout] test prefix_varint::tests::encode_u16 ... ok
[INFO] [stdout] test prefix_varint::tests::encode_u64 ... ok
[INFO] [stdout] test prefix_varint::tests::issue_2 ... ok
[INFO] [stdout] test prefix_varint::tests::encode_u8 ... ok
[INFO] [stdout] test prefix_varint::tests::decode_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dlhn_derive
[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" "4a6febc0e523d174fb210b4a43d57f47988cd15294c2ae5405c1c69f5dc7ec9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6febc0e523d174fb210b4a43d57f47988cd15294c2ae5405c1c69f5dc7ec9e", kill_on_drop: false }`
[INFO] [stdout] 4a6febc0e523d174fb210b4a43d57f47988cd15294c2ae5405c1c69f5dc7ec9e