[INFO] cloning repository https://github.com/bsg/ringbuf-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bsg/ringbuf-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsg%2Fringbuf-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsg%2Fringbuf-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f22385eb1476ea87c0f63b3226dccb4ca85578de [INFO] testing bsg/ringbuf-rs against 1.95.0 for beta-1.96-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbsg%2Fringbuf-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/bsg/ringbuf-rs [INFO] finished tweaking git repo https://github.com/bsg/ringbuf-rs [INFO] tweaked toml for git repo https://github.com/bsg/ringbuf-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bsg/ringbuf-rs on toolchain 1.95.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/bsg/ringbuf-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e2778d6d80054a0d0fcf87c329fd11633291b803c5112d0546fecc897554bde [INFO] running `Command { std: "docker" "start" "-a" "8e2778d6d80054a0d0fcf87c329fd11633291b803c5112d0546fecc897554bde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e2778d6d80054a0d0fcf87c329fd11633291b803c5112d0546fecc897554bde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e2778d6d80054a0d0fcf87c329fd11633291b803c5112d0546fecc897554bde", kill_on_drop: false }` [INFO] [stdout] 8e2778d6d80054a0d0fcf87c329fd11633291b803c5112d0546fecc897554bde [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a169f01a35e596756d50ef7c6b2b822ee8c54ec44bfb8cbb05dff021eefada44 [INFO] running `Command { std: "docker" "start" "-a" "a169f01a35e596756d50ef7c6b2b822ee8c54ec44bfb8cbb05dff021eefada44", kill_on_drop: false }` [INFO] [stderr] Compiling ringbuf v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "a169f01a35e596756d50ef7c6b2b822ee8c54ec44bfb8cbb05dff021eefada44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a169f01a35e596756d50ef7c6b2b822ee8c54ec44bfb8cbb05dff021eefada44", kill_on_drop: false }` [INFO] [stdout] a169f01a35e596756d50ef7c6b2b822ee8c54ec44bfb8cbb05dff021eefada44 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 120f135a9b5e95bb53dc473a83c79a7cd9720768ff0dcd208482b083ff4a8b9b [INFO] running `Command { std: "docker" "start" "-a" "120f135a9b5e95bb53dc473a83c79a7cd9720768ff0dcd208482b083ff4a8b9b", kill_on_drop: false }` [INFO] [stderr] Compiling ringbuf v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches` [INFO] [stdout] --> src/tests.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | assert_matches!(buf.write(&42u32.to_le_bytes()), Ok(_)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #82775 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches` [INFO] [stdout] --> src/tests.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | assert_matches!(buf.write(&42u8.to_le_bytes()), Ok(_)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #82775 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches` [INFO] [stdout] --> src/tests.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | assert_matches!(buf.write(&42u64.to_le_bytes()), Ok(_)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #82775 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches` [INFO] [stdout] --> src/tests.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | assert_matches!(buf.read(&mut bytes), Ok(_)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #82775 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches` [INFO] [stdout] --> src/tests.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | assert_matches!(buf.read(&mut bytes), Ok(_)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #82775 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches` [INFO] [stdout] --> src/tests.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | assert_matches!(buf.read(&mut bytes), Ok(_)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #82775 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches` [INFO] [stdout] --> src/tests.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | assert_matches!(buf.read(&mut bytes), Ok(0)); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #82775 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches` [INFO] [stdout] --> src/tests.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | assert_matches, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #82775 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ringbuf` (lib test) due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "120f135a9b5e95bb53dc473a83c79a7cd9720768ff0dcd208482b083ff4a8b9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "120f135a9b5e95bb53dc473a83c79a7cd9720768ff0dcd208482b083ff4a8b9b", kill_on_drop: false }` [INFO] [stdout] 120f135a9b5e95bb53dc473a83c79a7cd9720768ff0dcd208482b083ff4a8b9b