[INFO] fetching crate ancs 0.2.0...
[INFO] checking ancs-0.2.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate ancs 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ancs 0.2.0
[INFO] finished tweaking crates.io crate ancs 0.2.0
[INFO] tweaked toml for crates.io crate ancs 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ancs 0.2.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to highest compatible versions
[INFO] [stderr]       Adding nom v7.1.3 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 397ad101971ee4bc9fe52cbadd31cae78ac4b9ef59f10a16f552751bc7973c88
[INFO] running `Command { std: "docker" "start" "397ad101971ee4bc9fe52cbadd31cae78ac4b9ef59f10a16f552751bc7973c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "397ad101971ee4bc9fe52cbadd31cae78ac4b9ef59f10a16f552751bc7973c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "397ad101971ee4bc9fe52cbadd31cae78ac4b9ef59f10a16f552751bc7973c88" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "397ad101971ee4bc9fe52cbadd31cae78ac4b9ef59f10a16f552751bc7973c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "397ad101971ee4bc9fe52cbadd31cae78ac4b9ef59f10a16f552751bc7973c88" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.8.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking ancs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::attributes::notification::*`
[INFO] [stdout]  --> src/characteristics/control_point.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use crate::attributes::notification::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::attributes::notification::*`
[INFO] [stdout]  --> src/characteristics/control_point.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use crate::attributes::notification::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Vec<u8>`
[INFO] [stdout]    --> src/characteristics/data_source.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |         vec.append(&mut app_identifier.into());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 139 -         vec.append(&mut app_identifier.into());
[INFO] [stdout] 139 +         vec.append(&mut app_identifier);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 139 -         vec.append(&mut app_identifier.into());
[INFO] [stdout] 139 +         vec.append(&mut <Vec<u8> as Into<_>>::into(app_identifier));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ancs` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `Vec<u8>`
[INFO] [stdout]    --> src/characteristics/data_source.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |         vec.append(&mut app_identifier.into());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 139 -         vec.append(&mut app_identifier.into());
[INFO] [stdout] 139 +         vec.append(&mut app_identifier);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 139 -         vec.append(&mut app_identifier.into());
[INFO] [stdout] 139 +         vec.append(&mut <Vec<u8> as Into<_>>::into(app_identifier));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ancs` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "397ad101971ee4bc9fe52cbadd31cae78ac4b9ef59f10a16f552751bc7973c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397ad101971ee4bc9fe52cbadd31cae78ac4b9ef59f10a16f552751bc7973c88", kill_on_drop: false }`
[INFO] [stdout] 397ad101971ee4bc9fe52cbadd31cae78ac4b9ef59f10a16f552751bc7973c88
