[INFO] fetching crate modifier 0.1.0... [INFO] testing modifier-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate modifier 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate modifier 0.1.0 [INFO] finished tweaking crates.io crate modifier 0.1.0 [INFO] tweaked toml for crates.io crate modifier 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate modifier 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] [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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64e849fa1f26c2f65e23294c62f0f1635e6dcd62b65b33840816bbb54ae07245 [INFO] running `Command { std: "docker" "start" "-a" "64e849fa1f26c2f65e23294c62f0f1635e6dcd62b65b33840816bbb54ae07245", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64e849fa1f26c2f65e23294c62f0f1635e6dcd62b65b33840816bbb54ae07245", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64e849fa1f26c2f65e23294c62f0f1635e6dcd62b65b33840816bbb54ae07245", kill_on_drop: false }` [INFO] [stdout] 64e849fa1f26c2f65e23294c62f0f1635e6dcd62b65b33840816bbb54ae07245 [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=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] f8be0490fed25eb5ca0c616351600e5888d58d149ca73def3ce479865c96d689 [INFO] running `Command { std: "docker" "start" "-a" "f8be0490fed25eb5ca0c616351600e5888d58d149ca73def3ce479865c96d689", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling modifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:12:21 [INFO] [stdout] | [INFO] [stdout] 12 | fn modify(self, &mut F); [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(missing_docs, warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "f8be0490fed25eb5ca0c616351600e5888d58d149ca73def3ce479865c96d689", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8be0490fed25eb5ca0c616351600e5888d58d149ca73def3ce479865c96d689", kill_on_drop: false }` [INFO] [stdout] f8be0490fed25eb5ca0c616351600e5888d58d149ca73def3ce479865c96d689 [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=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] 00862c7a66406e10c9f8cdcddbf6141ecacf88c254abbc6abea808fb73661bf1 [INFO] running `Command { std: "docker" "start" "-a" "00862c7a66406e10c9f8cdcddbf6141ecacf88c254abbc6abea808fb73661bf1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling modifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:12:21 [INFO] [stdout] | [INFO] [stdout] 12 | fn modify(self, &mut F); [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(missing_docs, warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/lib.rs:12:21 [INFO] [stdout] | [INFO] [stdout] 12 | fn modify(self, &mut F); [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(missing_docs, warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "00862c7a66406e10c9f8cdcddbf6141ecacf88c254abbc6abea808fb73661bf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00862c7a66406e10c9f8cdcddbf6141ecacf88c254abbc6abea808fb73661bf1", kill_on_drop: false }` [INFO] [stdout] 00862c7a66406e10c9f8cdcddbf6141ecacf88c254abbc6abea808fb73661bf1 [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=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] 4b68ea79a59a865a86f1d96c0f8f543c4f08c11465d0f3d9ede7ddbe7b869081 [INFO] running `Command { std: "docker" "start" "-a" "4b68ea79a59a865a86f1d96c0f8f543c4f08c11465d0f3d9ede7ddbe7b869081", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/lib.rs:12:21 [INFO] [stdout] test test::test_tuple_chains ... ok [INFO] [stderr] | [INFO] [stderr] 12 | fn modify(self, &mut F); [INFO] [stderr] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:1:23 [INFO] [stderr] | [INFO] [stderr] 1 | #![deny(missing_docs, warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: `modifier` (lib) generated 1 warning (run `cargo fix --lib -p modifier` to apply 1 suggestion) [INFO] [stderr] warning: `modifier` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/modifier-030de01e7ea38efb) [INFO] [stderr] Doc-tests modifier [INFO] [stdout] test test::test_set_and_set_mut ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [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" "4b68ea79a59a865a86f1d96c0f8f543c4f08c11465d0f3d9ede7ddbe7b869081", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b68ea79a59a865a86f1d96c0f8f543c4f08c11465d0f3d9ede7ddbe7b869081", kill_on_drop: false }` [INFO] [stdout] 4b68ea79a59a865a86f1d96c0f8f543c4f08c11465d0f3d9ede7ddbe7b869081