[INFO] fetching crate sync42 0.15.0...
[INFO] checking sync42-0.15.0 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] extracting crate sync42 0.15.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sync42 0.15.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sync42 0.15.0
[INFO] tweaked toml for crates.io crate sync42 0.15.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sync42 0.15.0 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] crate crates.io crate sync42 0.15.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2f41ccc0e7bab27ac0492442eb4603ee30bb9bc0df1098406047cc1debc38e0d
[INFO] running `Command { std: "docker" "start" "-a" "2f41ccc0e7bab27ac0492442eb4603ee30bb9bc0df1098406047cc1debc38e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f41ccc0e7bab27ac0492442eb4603ee30bb9bc0df1098406047cc1debc38e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f41ccc0e7bab27ac0492442eb4603ee30bb9bc0df1098406047cc1debc38e0d", kill_on_drop: false }`
[INFO] [stdout] 2f41ccc0e7bab27ac0492442eb4603ee30bb9bc0df1098406047cc1debc38e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6975e3f587dab2188e285b54a9eec3f172a8dd3b5c6f42754de8d6256eaa2da4
[INFO] running `Command { std: "docker" "start" "-a" "6975e3f587dab2188e285b54a9eec3f172a8dd3b5c6f42754de8d6256eaa2da4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking sig_fig_histogram v0.6.0
[INFO] [stderr]     Checking biometrics v0.12.0
[INFO] [stderr]     Checking sync42 v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]    --> src/state_hash_table.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn key(&self) -> &K {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 | impl<K: Key, V: Value> Deref for Handle<'_, K, V> {
[INFO] [stdout]     | ------------------------------------------------- trait implemented here
[INFO] [stdout] 166 |     type Target = V;
[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/state_hash_table.rs:153:18
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn value(&self) -> &V {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 | impl<K: Key, V: Value> Deref for Handle<'_, K, V> {
[INFO] [stdout]     | ------------------------------------------------- trait implemented here
[INFO] [stdout] 166 |     type Target = V;
[INFO] [stdout]     |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/wait_list.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn link(&self, t: T) -> WaitGuard<T> {
[INFO] [stdout]     |                 ^^^^^           ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn link(&self, t: T) -> WaitGuard<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sync42` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6975e3f587dab2188e285b54a9eec3f172a8dd3b5c6f42754de8d6256eaa2da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6975e3f587dab2188e285b54a9eec3f172a8dd3b5c6f42754de8d6256eaa2da4", kill_on_drop: false }`
[INFO] [stdout] 6975e3f587dab2188e285b54a9eec3f172a8dd3b5c6f42754de8d6256eaa2da4