[INFO] fetching crate jec-rccow 0.1.0...
[INFO] checking jec-rccow-0.1.0 against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied-retry-0
[INFO] extracting crate jec-rccow 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate jec-rccow 0.1.0
[INFO] finished tweaking crates.io crate jec-rccow 0.1.0
[INFO] tweaked toml for crates.io crate jec-rccow 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jec-rccow 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4df00b1d7441a49d3e03c12ae8d0fc6711f996bad88282e49ef7a642ccdd9f24
[INFO] running `Command { std: "docker" "start" "-a" "4df00b1d7441a49d3e03c12ae8d0fc6711f996bad88282e49ef7a642ccdd9f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4df00b1d7441a49d3e03c12ae8d0fc6711f996bad88282e49ef7a642ccdd9f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df00b1d7441a49d3e03c12ae8d0fc6711f996bad88282e49ef7a642ccdd9f24", kill_on_drop: false }`
[INFO] [stdout] 4df00b1d7441a49d3e03c12ae8d0fc6711f996bad88282e49ef7a642ccdd9f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ef48ac60346216a59b057dbc015627576e746fbc680d6c9992ecad72af698b44
[INFO] running `Command { std: "docker" "start" "-a" "ef48ac60346216a59b057dbc015627576e746fbc680d6c9992ecad72af698b44", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking jec-rccow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/lib.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn to_mut(&mut self) -> &mut T
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl<T> Deref for RcCow<T> {
[INFO] [stdout]    | -------------------------- trait implemented here
[INFO] [stdout] 45 |     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/lib.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn into_owned(self) -> T
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl<T> Deref for RcCow<T> {
[INFO] [stdout]    | -------------------------- trait implemented here
[INFO] [stdout] 45 |     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/lib.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn unwrap(self) -> Rc<T> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl<T> Deref for RcCow<T> {
[INFO] [stdout]    | -------------------------- trait implemented here
[INFO] [stdout] 45 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jec-rccow` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut a = RcCow::new(5i32);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut c = b.clone();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: inherent methods on types that implement `Deref` or `Receiver` shadow methods of their target
[INFO] [stdout]   --> src/lib.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn to_mut(&mut self) -> &mut T
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl<T> Deref for RcCow<T> {
[INFO] [stdout]    | -------------------------- trait implemented here
[INFO] [stdout] 45 |     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/lib.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn into_owned(self) -> T
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl<T> Deref for RcCow<T> {
[INFO] [stdout]    | -------------------------- trait implemented here
[INFO] [stdout] 45 |     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/lib.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn unwrap(self) -> Rc<T> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 | impl<T> Deref for RcCow<T> {
[INFO] [stdout]    | -------------------------- trait implemented here
[INFO] [stdout] 45 |     type Target = T;
[INFO] [stdout]    |     ----------- with `Target` set here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jec-rccow` (lib test) due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ef48ac60346216a59b057dbc015627576e746fbc680d6c9992ecad72af698b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef48ac60346216a59b057dbc015627576e746fbc680d6c9992ecad72af698b44", kill_on_drop: false }`
[INFO] [stdout] ef48ac60346216a59b057dbc015627576e746fbc680d6c9992ecad72af698b44