[INFO] fetching crate rotbl 0.2.9...
[INFO] testing rotbl-0.2.9 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rotbl 0.2.9 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rotbl 0.2.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rotbl 0.2.9
[INFO] tweaked toml for crates.io crate rotbl 0.2.9 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rotbl 0.2.9 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] crate crates.io crate rotbl 0.2.9 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.3
[INFO] [stderr]   Downloaded escape8259 v0.5.3
[INFO] [stderr]   Downloaded seq-marked v0.3.1
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[INFO] [stderr]   Downloaded derive_more-impl v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.117
[INFO] [stderr]   Downloaded derive_more v1.0.0
[INFO] [stderr]   Downloaded plotters v0.3.6
[INFO] [stderr]   Downloaded clap_builder v4.5.2
[INFO] [stderr]   Downloaded pretty_assertions v1.4.0
[INFO] [stderr]   Downloaded num-format v0.4.4
[INFO] [stderr]   Downloaded futures-async-stream v0.2.11
[INFO] [stderr]   Downloaded clap_derive v4.5.4
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.3
[INFO] [stderr]   Downloaded memchr v2.7.2
[INFO] [stderr]   Downloaded plotters-backend v0.3.6
[INFO] [stderr]   Downloaded either v1.12.0
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[INFO] [stderr]   Downloaded winapi-util v0.1.8
[INFO] [stderr]   Downloaded futures-async-stream-macro v0.2.11
[INFO] [stderr]   Downloaded anstyle v1.0.7
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[INFO] [stderr]   Downloaded virtue v0.0.13
[INFO] [stderr]   Downloaded libc v0.2.170
[INFO] [stderr]   Downloaded tokio v1.37.0
[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] bb6f042b85d4c185dc445d02789b3231a63a7f6dfeb3ba19dd4226202edcde03
[INFO] running `Command { std: "docker" "start" "-a" "bb6f042b85d4c185dc445d02789b3231a63a7f6dfeb3ba19dd4226202edcde03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb6f042b85d4c185dc445d02789b3231a63a7f6dfeb3ba19dd4226202edcde03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6f042b85d4c185dc445d02789b3231a63a7f6dfeb3ba19dd4226202edcde03", kill_on_drop: false }`
[INFO] [stdout] bb6f042b85d4c185dc445d02789b3231a63a7f6dfeb3ba19dd4226202edcde03
[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] 4a2a75eb2ff48db8f5ce890b4c46bbc7a11fd4ee4734a4d7c558bfad8f11847a
[INFO] running `Command { std: "docker" "start" "-a" "4a2a75eb2ff48db8f5ce890b4c46bbc7a11fd4ee4734a4d7c558bfad8f11847a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling lru-cache-map v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling futures-async-stream-macro v0.2.11
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[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/futures-async-stream-macro-0.2.11/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(proc_macro_def_site)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-async-stream-macro` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4a2a75eb2ff48db8f5ce890b4c46bbc7a11fd4ee4734a4d7c558bfad8f11847a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2a75eb2ff48db8f5ce890b4c46bbc7a11fd4ee4734a4d7c558bfad8f11847a", kill_on_drop: false }`
[INFO] [stdout] 4a2a75eb2ff48db8f5ce890b4c46bbc7a11fd4ee4734a4d7c558bfad8f11847a