[INFO] fetching crate scell 1.0.0... [INFO] testing scell-1.0.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate scell 1.0.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate scell 1.0.0 [INFO] finished tweaking crates.io crate scell 1.0.0 [INFO] tweaked toml for crates.io crate scell 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate scell 1.0.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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" "+beta-2025-09-21" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d58eed603c5764dbe61587050a9a01f7372c78903a3e17df82f9b1cc9311b86 [INFO] running `Command { std: "docker" "start" "-a" "7d58eed603c5764dbe61587050a9a01f7372c78903a3e17df82f9b1cc9311b86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d58eed603c5764dbe61587050a9a01f7372c78903a3e17df82f9b1cc9311b86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d58eed603c5764dbe61587050a9a01f7372c78903a3e17df82f9b1cc9311b86", kill_on_drop: false }` [INFO] [stdout] 7d58eed603c5764dbe61587050a9a01f7372c78903a3e17df82f9b1cc9311b86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 208028c09b9dd12d956458f9963eea6f9e6ca00e2ef34ebe1d8befe89580f068 [INFO] running `Command { std: "docker" "start" "-a" "208028c09b9dd12d956458f9963eea6f9e6ca00e2ef34ebe1d8befe89580f068", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling scell v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Display` [INFO] [stdout] --> src/checked.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::{Formatter, Display, Debug, Error, Pointer}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Pointer` [INFO] [stdout] --> src/lib.rs:28:50 [INFO] [stdout] | [INFO] [stdout] 28 | use std::fmt::{Formatter, Display, Debug, Error, Pointer}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/checked.rs:27:19 [INFO] [stdout] | [INFO] [stdout] 27 | 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 27 | 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/checked.rs:32:23 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn borrow_mut(&self) -> RefMut { [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] 32 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "208028c09b9dd12d956458f9963eea6f9e6ca00e2ef34ebe1d8befe89580f068", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "208028c09b9dd12d956458f9963eea6f9e6ca00e2ef34ebe1d8befe89580f068", kill_on_drop: false }` [INFO] [stdout] 208028c09b9dd12d956458f9963eea6f9e6ca00e2ef34ebe1d8befe89580f068 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cbf327923fd46cd4cb6cce39fb5d3190800cedfb514494c6cc8016a4ad9584c4 [INFO] running `Command { std: "docker" "start" "-a" "cbf327923fd46cd4cb6cce39fb5d3190800cedfb514494c6cc8016a4ad9584c4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: unused import: `Display` [INFO] [stdout] --> src/checked.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::{Formatter, Display, Debug, Error, Pointer}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Pointer` [INFO] [stdout] --> src/lib.rs:28:50 [INFO] [stdout] | [INFO] [stdout] 28 | use std::fmt::{Formatter, Display, Debug, Error, Pointer}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/checked.rs:27:19 [INFO] [stdout] | [INFO] [stdout] 27 | 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 27 | 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/checked.rs:32:23 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn borrow_mut(&self) -> RefMut { [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] 32 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling scell v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Display` [INFO] [stdout] --> src/checked.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::{Formatter, Display, Debug, Error, Pointer}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Pointer` [INFO] [stdout] --> src/lib.rs:28:50 [INFO] [stdout] | [INFO] [stdout] 28 | use std::fmt::{Formatter, Display, Debug, Error, Pointer}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/checked.rs:27:19 [INFO] [stdout] | [INFO] [stdout] 27 | 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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 27 | 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/checked.rs:32:23 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn borrow_mut(&self) -> RefMut { [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] 32 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "cbf327923fd46cd4cb6cce39fb5d3190800cedfb514494c6cc8016a4ad9584c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbf327923fd46cd4cb6cce39fb5d3190800cedfb514494c6cc8016a4ad9584c4", kill_on_drop: false }` [INFO] [stdout] cbf327923fd46cd4cb6cce39fb5d3190800cedfb514494c6cc8016a4ad9584c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 95554051b98a8154e2a8c17ab44a2ece8ebdfb99df86193ce1ad589f31a1d0f7 [INFO] running `Command { std: "docker" "start" "-a" "95554051b98a8154e2a8c17ab44a2ece8ebdfb99df86193ce1ad589f31a1d0f7", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: unused import: `Display` [INFO] [stderr] --> src/checked.rs:4:27 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fmt::{Formatter, Display, Debug, Error, Pointer}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Pointer` [INFO] [stderr] --> src/lib.rs:28:50 [INFO] [stderr] | [INFO] [stderr] 28 | use std::fmt::{Formatter, Display, Debug, Error, Pointer}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/checked.rs:27:19 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn borrow(&self) -> Ref { [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] 27 | pub fn borrow(&self) -> Ref<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/checked.rs:32:23 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn borrow_mut(&self) -> RefMut { [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] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 32 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `scell` (lib) generated 4 warnings (run `cargo fix --lib -p scell` to apply 2 suggestions) [INFO] [stderr] warning: `scell` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scell-fd1280e62e5160ba) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests scell [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "95554051b98a8154e2a8c17ab44a2ece8ebdfb99df86193ce1ad589f31a1d0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95554051b98a8154e2a8c17ab44a2ece8ebdfb99df86193ce1ad589f31a1d0f7", kill_on_drop: false }` [INFO] [stdout] 95554051b98a8154e2a8c17ab44a2ece8ebdfb99df86193ce1ad589f31a1d0f7