[INFO] fetching crate mucell 0.3.5... [INFO] testing mucell-0.3.5 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate mucell 0.3.5 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate mucell 0.3.5 [INFO] finished tweaking crates.io crate mucell 0.3.5 [INFO] tweaked toml for crates.io crate mucell 0.3.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mucell 0.3.5 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] abaa45e14966a3980fae5960a6f2a890893534af52cc0f7fa98106a034cd873a [INFO] running `Command { std: "docker" "start" "-a" "abaa45e14966a3980fae5960a6f2a890893534af52cc0f7fa98106a034cd873a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abaa45e14966a3980fae5960a6f2a890893534af52cc0f7fa98106a034cd873a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abaa45e14966a3980fae5960a6f2a890893534af52cc0f7fa98106a034cd873a", kill_on_drop: false }` [INFO] [stdout] abaa45e14966a3980fae5960a6f2a890893534af52cc0f7fa98106a034cd873a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be6ffb31ea768bf76838dcde131c1e8909691b371a37a3887fad6a2e2c878f2b [INFO] running `Command { std: "docker" "start" "-a" "be6ffb31ea768bf76838dcde131c1e8909691b371a37a3887fad6a2e2c878f2b", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling mucell v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | unsafe { self.value.into_inner() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:68:20 [INFO] [stdout] | [INFO] [stdout] 68 | #![warn(bad_style, unused, missing_docs)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_unsafe)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:173:19 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn borrow(&self) -> Ref<&T> { [INFO] [stdout] | ^^^^^ ^^^^^^^ [INFO] [stdout] | | | | [INFO] [stdout] | | | the same lifetime is elided here [INFO] [stdout] | | the same lifetime is hidden here [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] 173 | pub fn borrow(&self) -> Ref<'_, &T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "be6ffb31ea768bf76838dcde131c1e8909691b371a37a3887fad6a2e2c878f2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be6ffb31ea768bf76838dcde131c1e8909691b371a37a3887fad6a2e2c878f2b", kill_on_drop: false }` [INFO] [stdout] be6ffb31ea768bf76838dcde131c1e8909691b371a37a3887fad6a2e2c878f2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 685c235aef4d6720cf30f16e3141b78038163693577b8c205935e8d952a115e9 [INFO] running `Command { std: "docker" "start" "-a" "685c235aef4d6720cf30f16e3141b78038163693577b8c205935e8d952a115e9", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | unsafe { self.value.into_inner() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:68:20 [INFO] [stdout] | [INFO] [stdout] 68 | #![warn(bad_style, unused, missing_docs)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_unsafe)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mucell v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:173:19 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn borrow(&self) -> Ref<&T> { [INFO] [stdout] | ^^^^^ ^^^^^^^ [INFO] [stdout] | | | | [INFO] [stdout] | | | the same lifetime is elided here [INFO] [stdout] | | the same lifetime is hidden here [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] 173 | pub fn borrow(&self) -> Ref<'_, &T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> examples/vector_munger.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] extern crate mucell; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/vector_munger.rs:38:19 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn munged(&self) -> Cow<[i32]> { [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] 38 | pub fn munged(&self) -> Cow<'_, [i32]> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | unsafe { self.value.into_inner() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:68:20 [INFO] [stdout] | [INFO] [stdout] 68 | #![warn(bad_style, unused, missing_docs)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_unsafe)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:173:19 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn borrow(&self) -> Ref<&T> { [INFO] [stdout] | ^^^^^ ^^^^^^^ [INFO] [stdout] | | | | [INFO] [stdout] | | | the same lifetime is elided here [INFO] [stdout] | | the same lifetime is hidden here [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] 173 | pub fn borrow(&self) -> Ref<'_, &T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `Command { std: "docker" "inspect" "685c235aef4d6720cf30f16e3141b78038163693577b8c205935e8d952a115e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "685c235aef4d6720cf30f16e3141b78038163693577b8c205935e8d952a115e9", kill_on_drop: false }` [INFO] [stdout] 685c235aef4d6720cf30f16e3141b78038163693577b8c205935e8d952a115e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 508050b2f95dd4623a538553b12d66d68fe1a23a94e7b0f69c3c181ee1df98cf [INFO] running `Command { std: "docker" "start" "-a" "508050b2f95dd4623a538553b12d66d68fe1a23a94e7b0f69c3c181ee1df98cf", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/lib.rs:149:9 [INFO] [stderr] | [INFO] [stderr] 149 | unsafe { self.value.into_inner() } [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:68:20 [INFO] [stderr] | [INFO] [stderr] 68 | #![warn(bad_style, unused, missing_docs)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[warn(unused_unsafe)]` implied by `#[warn(unused)]` [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:173:19 [INFO] [stderr] | [INFO] [stderr] 173 | pub fn borrow(&self) -> Ref<&T> { [INFO] [stderr] | ^^^^^ ^^^^^^^ [INFO] [stderr] | | | | [INFO] [stderr] | | | the same lifetime is elided here [INFO] [stderr] | | the same lifetime is hidden here [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 173 | pub fn borrow(&self) -> Ref<'_, &T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `mucell` (lib) generated 2 warnings (run `cargo fix --lib -p mucell` to apply 1 suggestion) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> examples/vector_munger.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] extern crate mucell; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> examples/vector_munger.rs:38:19 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn munged(&self) -> Cow<[i32]> { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 38 | pub fn munged(&self) -> Cow<'_, [i32]> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `mucell` (example "vector_munger") generated 2 warnings (run `cargo fix --example "vector_munger" -p mucell` to apply 1 suggestion) [INFO] [stderr] warning: `mucell` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mucell-8981d49c6e8fd642) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_try_mutate_in_try_mutate ... ok [INFO] [stdout] test unsafe_subversion_demo ... ok [INFO] [stderr] Doc-tests mucell [INFO] [stdout] test test_borrow_in_try_mutate - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/lib.rs - Ref<'b,Cow<'b,T>>::into_owned (line 338) ... ok [INFO] [stdout] test src/lib.rs - MuCell::new (line 116) ... ok [INFO] [stdout] test src/lib.rs - MuCell::into_inner (line 136) ... ok [INFO] [stdout] test src/lib.rs - Ref<'b,T>::filter_map_unsafe (line 428) ... ok [INFO] [stdout] test src/lib.rs - (line 27) ... ok [INFO] [stdout] test src/lib.rs - Ref<'b,T>::into_inner (line 311) ... ok [INFO] [stdout] test src/lib.rs - Ref<'b,T>::map_unsafe (line 375) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "508050b2f95dd4623a538553b12d66d68fe1a23a94e7b0f69c3c181ee1df98cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "508050b2f95dd4623a538553b12d66d68fe1a23a94e7b0f69c3c181ee1df98cf", kill_on_drop: false }` [INFO] [stdout] 508050b2f95dd4623a538553b12d66d68fe1a23a94e7b0f69c3c181ee1df98cf