[INFO] fetching crate observatory 0.1.7... [INFO] checking observatory-0.1.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate observatory 0.1.7 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate observatory 0.1.7 [INFO] finished tweaking crates.io crate observatory 0.1.7 [INFO] tweaked toml for crates.io crate observatory 0.1.7 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate observatory 0.1.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad653e17857620caa8b4da2e5905ec65b70d6f5054d7c70e2bd44d71007b2a51 [INFO] running `Command { std: "docker" "start" "-a" "ad653e17857620caa8b4da2e5905ec65b70d6f5054d7c70e2bd44d71007b2a51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad653e17857620caa8b4da2e5905ec65b70d6f5054d7c70e2bd44d71007b2a51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad653e17857620caa8b4da2e5905ec65b70d6f5054d7c70e2bd44d71007b2a51", kill_on_drop: false }` [INFO] [stdout] ad653e17857620caa8b4da2e5905ec65b70d6f5054d7c70e2bd44d71007b2a51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32b534c701ad9dc259d9d0cc8f9bf703de12d07121aaa8663153633d6e6fa81b [INFO] running `Command { std: "docker" "start" "-a" "32b534c701ad9dc259d9d0cc8f9bf703de12d07121aaa8663153633d6e6fa81b", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-queue v0.3.12 [INFO] [stderr] Checking crossbeam-channel v0.5.15 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking observatory v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `arc_new_cyclic` has been stable since 1.60.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(arc_new_cyclic)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `arc_new_cyclic` has been stable since 1.60.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(arc_new_cyclic)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_unique_data_address` is never used [INFO] [stdout] --> src/observer.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) trait ObserverInternalFns { [INFO] [stdout] | ------------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 23 | fn get_unique_data_address(&self) -> *const (); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/observable.rs:108:19 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn borrow(&self) -> ObservableRef { [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] 108 | pub fn borrow(&self) -> ObservableRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/observable.rs:113:29 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn borrow_untracked(&self) -> ObservableRef { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn borrow_untracked(&self) -> ObservableRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/observable.rs:117:23 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn borrow_mut(&self) -> ObservableRefMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 117 | pub fn borrow_mut(&self) -> ObservableRefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/observer.rs:220:19 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn borrow(&self) -> Ref { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 220 | pub fn borrow(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/observer.rs:225:29 [INFO] [stdout] | [INFO] [stdout] 225 | pub fn borrow_untracked(&self) -> Ref { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 225 | pub fn borrow_untracked(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_unique_data_address` is never used [INFO] [stdout] --> src/observer.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) trait ObserverInternalFns { [INFO] [stdout] | ------------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 23 | fn get_unique_data_address(&self) -> *const (); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/observable.rs:108:19 [INFO] [stdout] | [INFO] [stdout] 108 | pub fn borrow(&self) -> ObservableRef { [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] 108 | pub fn borrow(&self) -> ObservableRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/observable.rs:113:29 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn borrow_untracked(&self) -> ObservableRef { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 113 | pub fn borrow_untracked(&self) -> ObservableRef<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/observable.rs:117:23 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn borrow_mut(&self) -> ObservableRefMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 117 | pub fn borrow_mut(&self) -> ObservableRefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/observer.rs:220:19 [INFO] [stdout] | [INFO] [stdout] 220 | pub fn borrow(&self) -> Ref { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 220 | pub fn borrow(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/observer.rs:225:29 [INFO] [stdout] | [INFO] [stdout] 225 | pub fn borrow_untracked(&self) -> Ref { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 225 | pub fn borrow_untracked(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.48s [INFO] running `Command { std: "docker" "inspect" "32b534c701ad9dc259d9d0cc8f9bf703de12d07121aaa8663153633d6e6fa81b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32b534c701ad9dc259d9d0cc8f9bf703de12d07121aaa8663153633d6e6fa81b", kill_on_drop: false }` [INFO] [stdout] 32b534c701ad9dc259d9d0cc8f9bf703de12d07121aaa8663153633d6e6fa81b