[INFO] fetching crate ferrotunnel-core 1.0.1...
[INFO] checking ferrotunnel-core-1.0.1 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied-retry-0
[INFO] extracting crate ferrotunnel-core 1.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ferrotunnel-core 1.0.1
[INFO] finished tweaking crates.io crate ferrotunnel-core 1.0.1
[INFO] tweaked toml for crates.io crate ferrotunnel-core 1.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ferrotunnel-core 1.0.1 on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ferrotunnel-core 1.0.1 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37805f01d3ae02c2f23a599ed1f229a25c5af630019b478e8eab43fad963432d
[INFO] running `Command { std: "docker" "start" "-a" "37805f01d3ae02c2f23a599ed1f229a25c5af630019b478e8eab43fad963432d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37805f01d3ae02c2f23a599ed1f229a25c5af630019b478e8eab43fad963432d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37805f01d3ae02c2f23a599ed1f229a25c5af630019b478e8eab43fad963432d", kill_on_drop: false }`
[INFO] [stdout] 37805f01d3ae02c2f23a599ed1f229a25c5af630019b478e8eab43fad963432d
[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=forbid -Dinherent-method-on-receiver" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79be5adc80c01e856049f8b78f968f78a25049368e5565ef0eec50ec350e0fa2
[INFO] running `Command { std: "docker" "start" "-a" "79be5adc80c01e856049f8b78f968f78a25049368e5565ef0eec50ec350e0fa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
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[INFO] [stderr]    Compiling quote v1.0.44
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[INFO] [stderr]     Checking ferrotunnel-core v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n_frames`
[INFO] [stdout]   --> src/transport/batched_sender.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let n_frames = frames.len();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_frames`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encode_start`
[INFO] [stdout]    --> src/transport/batched_sender.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let encode_start = Instant::now();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encode_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encoded_bytes`
[INFO] [stdout]    --> src/transport/batched_sender.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let encoded_bytes: usize = encoded_segments.iter().map(Bytes::len).sum();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n_frames`
[INFO] [stdout]   --> src/transport/batched_sender.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let n_frames = frames.len();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n_frames`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encode_start`
[INFO] [stdout]    --> src/transport/batched_sender.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let encode_start = Instant::now();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encode_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `encoded_bytes`
[INFO] [stdout]    --> src/transport/batched_sender.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let encoded_bytes: usize = encoded_segments.iter().map(Bytes::len).sum();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_encoded_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/stream/pool.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn take(mut self) -> T {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 | impl<T: Poolable> std::ops::Deref for PooledObject<T> {
[INFO] [stdout]     | ----------------------------------------------------- trait implemented here
[INFO] [stdout] 119 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ferrotunnel-core` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/stream/pool.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub fn take(mut self) -> T {
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 118 | impl<T: Poolable> std::ops::Deref for PooledObject<T> {
[INFO] [stdout]     | ----------------------------------------------------- trait implemented here
[INFO] [stdout] 119 |     type Target = T;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D inherent-method-on-receiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ferrotunnel-core` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "79be5adc80c01e856049f8b78f968f78a25049368e5565ef0eec50ec350e0fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79be5adc80c01e856049f8b78f968f78a25049368e5565ef0eec50ec350e0fa2", kill_on_drop: false }`
[INFO] [stdout] 79be5adc80c01e856049f8b78f968f78a25049368e5565ef0eec50ec350e0fa2
