[INFO] fetching crate mutagen-plugin 0.1.2... [INFO] testing mutagen-plugin-0.1.2 against 1.91.0 for beta-1.92-2 [INFO] extracting crate mutagen-plugin 0.1.2 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate mutagen-plugin 0.1.2 [INFO] finished tweaking crates.io crate mutagen-plugin 0.1.2 [INFO] tweaked toml for crates.io crate mutagen-plugin 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mutagen-plugin 0.1.2 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 67 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.10.0) [INFO] [stderr] Adding compiletest_rs v0.3.26 (available: v0.11.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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] [stderr] warning: unused manifest key: lib.plugin [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustfix v0.4.6 [INFO] [stderr] Downloaded mutagen v0.1.2 [INFO] [stderr] Downloaded dirs v2.0.2 [INFO] [stderr] Downloaded compiletest_rs v0.3.26 [INFO] [stderr] Downloaded tester v0.6.0 [INFO] [stderr] Downloaded term v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 014f4183e933f6f629faeaa46a23414a26ad2bd2eb142f4d2148e8aefc33541d [INFO] running `Command { std: "docker" "start" "-a" "014f4183e933f6f629faeaa46a23414a26ad2bd2eb142f4d2148e8aefc33541d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "014f4183e933f6f629faeaa46a23414a26ad2bd2eb142f4d2148e8aefc33541d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "014f4183e933f6f629faeaa46a23414a26ad2bd2eb142f4d2148e8aefc33541d", kill_on_drop: false }` [INFO] [stdout] 014f4183e933f6f629faeaa46a23414a26ad2bd2eb142f4d2148e8aefc33541d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80cafc09415b57f9c65551321684a450cd98f81b4d4c11f850aed9b6cad639f1 [INFO] running `Command { std: "docker" "start" "-a" "80cafc09415b57f9c65551321684a450cd98f81b4d4c11f850aed9b6cad639f1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: unused manifest key: lib.plugin [INFO] [stderr] Compiling mutagen v0.1.2 [INFO] [stderr] Compiling mutagen-plugin v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> build.rs:15:30 [INFO] [stdout] | [INFO] [stdout] 15 | fn write_binop_arm(out: &mut Write, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 15 | fn write_binop_arm(out: &mut dyn Write, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> build.rs:59:33 [INFO] [stdout] | [INFO] [stdout] 59 | fn write_opassign_arm(out: &mut Write, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 59 | fn write_opassign_arm(out: &mut dyn Write, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mutagen-0.1.2/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(specialization, atomic_min_max, try_from, assoc_unix_epoch)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mutagen` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "80cafc09415b57f9c65551321684a450cd98f81b4d4c11f850aed9b6cad639f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80cafc09415b57f9c65551321684a450cd98f81b4d4c11f850aed9b6cad639f1", kill_on_drop: false }` [INFO] [stdout] 80cafc09415b57f9c65551321684a450cd98f81b4d4c11f850aed9b6cad639f1