[INFO] fetching crate pkt 0.2.0...
[INFO] checking pkt-0.2.0 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] extracting crate pkt 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pkt 0.2.0
[INFO] finished tweaking crates.io crate pkt 0.2.0
[INFO] tweaked toml for crates.io crate pkt 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pkt 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4e0ac26f3496fbb9697d024ec5b38ec4b582add584229a2c89077615f52d1072
[INFO] running `Command { std: "docker" "start" "-a" "4e0ac26f3496fbb9697d024ec5b38ec4b582add584229a2c89077615f52d1072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e0ac26f3496fbb9697d024ec5b38ec4b582add584229a2c89077615f52d1072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0ac26f3496fbb9697d024ec5b38ec4b582add584229a2c89077615f52d1072", kill_on_drop: false }`
[INFO] [stdout] 4e0ac26f3496fbb9697d024ec5b38ec4b582add584229a2c89077615f52d1072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e26449f53f255580cdc1dc7a82b3f240301ccc6eec548235ebbc073e954adb1f
[INFO] running `Command { std: "docker" "start" "-a" "e26449f53f255580cdc1dc7a82b3f240301ccc6eec548235ebbc073e954adb1f", kill_on_drop: false }`
[INFO] [stderr]     Checking pkt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/packet.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 | impl<T> Deref for RefMut<'_, T> {
[INFO] [stdout]    | ------------------------------- trait implemented here
[INFO] [stdout] 38 |     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] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/packet.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 | impl<T> Deref for RefMut<'_, T> {
[INFO] [stdout]    | ------------------------------- trait implemented here
[INFO] [stdout] 38 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/packet.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 | impl<T> Deref for Ref<'_, T> {
[INFO] [stdout]    | ---------------------------- trait implemented here
[INFO] [stdout] 70 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/packet.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 | impl<T> Deref for Ref<'_, T> {
[INFO] [stdout]    | ---------------------------- trait implemented here
[INFO] [stdout] 70 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pkt` (lib) due to 4 previous errors
[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/packet.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 | impl<T> Deref for RefMut<'_, T> {
[INFO] [stdout]    | ------------------------------- trait implemented here
[INFO] [stdout] 38 |     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] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/packet.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 | impl<T> Deref for RefMut<'_, T> {
[INFO] [stdout]    | ------------------------------- trait implemented here
[INFO] [stdout] 38 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/packet.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 | impl<T> Deref for Ref<'_, T> {
[INFO] [stdout]    | ---------------------------- trait implemented here
[INFO] [stdout] 70 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/packet.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |                     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 | impl<T> Deref for Ref<'_, T> {
[INFO] [stdout]    | ---------------------------- trait implemented here
[INFO] [stdout] 70 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pkt` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "e26449f53f255580cdc1dc7a82b3f240301ccc6eec548235ebbc073e954adb1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26449f53f255580cdc1dc7a82b3f240301ccc6eec548235ebbc073e954adb1f", kill_on_drop: false }`
[INFO] [stdout] e26449f53f255580cdc1dc7a82b3f240301ccc6eec548235ebbc073e954adb1f