[INFO] fetching crate retentive-lender 0.1.0... [INFO] testing retentive-lender-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate retentive-lender 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate retentive-lender 0.1.0 [INFO] finished tweaking crates.io crate retentive-lender 0.1.0 [INFO] tweaked toml for crates.io crate retentive-lender 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate retentive-lender 0.1.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bcca6179230c0dbb79a605e54240cf16e3404f0e8ff51321285c8a89020d76bb [INFO] running `Command { std: "docker" "start" "-a" "bcca6179230c0dbb79a605e54240cf16e3404f0e8ff51321285c8a89020d76bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcca6179230c0dbb79a605e54240cf16e3404f0e8ff51321285c8a89020d76bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcca6179230c0dbb79a605e54240cf16e3404f0e8ff51321285c8a89020d76bb", kill_on_drop: false }` [INFO] [stdout] bcca6179230c0dbb79a605e54240cf16e3404f0e8ff51321285c8a89020d76bb [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7bdf835f7ca1b13d9ccf811860911ae468f5eba643612d67dc7f3caf29f5987d [INFO] running `Command { std: "docker" "start" "-a" "7bdf835f7ca1b13d9ccf811860911ae468f5eba643612d67dc7f3caf29f5987d", kill_on_drop: false }` [INFO] [stderr] Compiling retentive-lender v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:112:19 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn borrow(&self, borrower: &str) -> Result, String> { [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] 112 | pub fn borrow(&self, borrower: &str) -> Result, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:127:23 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn borrow_mut(&self, borrower: &str) -> Result, String> { [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] 127 | pub fn borrow_mut(&self, borrower: &str) -> Result, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "7bdf835f7ca1b13d9ccf811860911ae468f5eba643612d67dc7f3caf29f5987d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7bdf835f7ca1b13d9ccf811860911ae468f5eba643612d67dc7f3caf29f5987d", kill_on_drop: false }` [INFO] [stdout] 7bdf835f7ca1b13d9ccf811860911ae468f5eba643612d67dc7f3caf29f5987d [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 325869cf48309b9a2007149a31b5eeb347e678f5d5627e9db7aa8a95b12208a2 [INFO] running `Command { std: "docker" "start" "-a" "325869cf48309b9a2007149a31b5eeb347e678f5d5627e9db7aa8a95b12208a2", kill_on_drop: false }` [INFO] [stderr] Compiling retentive-lender v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:112:19 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn borrow(&self, borrower: &str) -> Result, String> { [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] 112 | pub fn borrow(&self, borrower: &str) -> Result, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:127:23 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn borrow_mut(&self, borrower: &str) -> Result, String> { [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] 127 | pub fn borrow_mut(&self, borrower: &str) -> Result, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:112:19 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn borrow(&self, borrower: &str) -> Result, String> { [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] 112 | pub fn borrow(&self, borrower: &str) -> Result, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:127:23 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn borrow_mut(&self, borrower: &str) -> Result, String> { [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] 127 | pub fn borrow_mut(&self, borrower: &str) -> Result, String> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "325869cf48309b9a2007149a31b5eeb347e678f5d5627e9db7aa8a95b12208a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "325869cf48309b9a2007149a31b5eeb347e678f5d5627e9db7aa8a95b12208a2", kill_on_drop: false }` [INFO] [stdout] 325869cf48309b9a2007149a31b5eeb347e678f5d5627e9db7aa8a95b12208a2 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 25459939a646421286fa0050e85506acc312c8b41fd732895d4ee8869defe26f [INFO] running `Command { std: "docker" "start" "-a" "25459939a646421286fa0050e85506acc312c8b41fd732895d4ee8869defe26f", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:112:19 [INFO] [stderr] | [INFO] [stderr] 112 | pub fn borrow(&self, borrower: &str) -> Result, String> { [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] 112 | pub fn borrow(&self, borrower: &str) -> Result, String> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:127:23 [INFO] [stderr] | [INFO] [stderr] 127 | pub fn borrow_mut(&self, borrower: &str) -> Result, String> { [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] 127 | pub fn borrow_mut(&self, borrower: &str) -> Result, String> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `retentive-lender` (lib) generated 2 warnings (run `cargo fix --lib -p retentive-lender` to apply 2 suggestions) [INFO] [stderr] warning: `retentive-lender` (lib test) generated 2 warnings (2 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/retentive_lender-75886e4b48d615e8) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::borrow_mut_once_borrow_once ... ok [INFO] [stdout] test tests::borrow_mut_twice ... ok [INFO] [stdout] test tests::borrow_twice ... ok [INFO] [stdout] test tests::borrow_once_borrow_mut_once ... ok [INFO] [stdout] test tests::borrow_twice_borrow_mut_once ... ok [INFO] [stdout] test tests::clone_and_borrow_mut ... ok [INFO] [stdout] [INFO] [stderr] Doc-tests retentive_lender [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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" "25459939a646421286fa0050e85506acc312c8b41fd732895d4ee8869defe26f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25459939a646421286fa0050e85506acc312c8b41fd732895d4ee8869defe26f", kill_on_drop: false }` [INFO] [stdout] 25459939a646421286fa0050e85506acc312c8b41fd732895d4ee8869defe26f