[INFO] fetching crate tallystick 0.4.3...
[INFO] testing tallystick-0.4.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tallystick 0.4.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tallystick 0.4.3
[INFO] finished tweaking crates.io crate tallystick 0.4.3
[INFO] tweaked toml for crates.io crate tallystick 0.4.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tallystick 0.4.3 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 92 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.7.0)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding hashbrown v0.11.2 (available: v0.16.0)
[INFO] [stderr]       Adding petgraph v0.6.5 (available: v0.8.3)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded partial-min-max v0.4.0
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded derive_more v0.99.20
[INFO] [stderr]   Downloaded cast v0.2.7
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7b4c9fbb68cec6926a2bb3de6b1ce245789f2d3a9abb4e46320a625245ce31f1
[INFO] running `Command { std: "docker" "start" "-a" "7b4c9fbb68cec6926a2bb3de6b1ce245789f2d3a9abb4e46320a625245ce31f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b4c9fbb68cec6926a2bb3de6b1ce245789f2d3a9abb4e46320a625245ce31f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4c9fbb68cec6926a2bb3de6b1ce245789f2d3a9abb4e46320a625245ce31f1", kill_on_drop: false }`
[INFO] [stdout] 7b4c9fbb68cec6926a2bb3de6b1ce245789f2d3a9abb4e46320a625245ce31f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6d60df72b28dd4aafbf6f8e8b02802d273e6f0c9ded5425ee81640d679f0022d
[INFO] running `Command { std: "docker" "start" "-a" "6d60df72b28dd4aafbf6f8e8b02802d273e6f0c9ded5425ee81640d679f0022d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling partial-min-max v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tallystick v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:13:34
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![cfg_attr(feature = "nightly", feature(specialization))]
[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 `tallystick` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6d60df72b28dd4aafbf6f8e8b02802d273e6f0c9ded5425ee81640d679f0022d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d60df72b28dd4aafbf6f8e8b02802d273e6f0c9ded5425ee81640d679f0022d", kill_on_drop: false }`
[INFO] [stdout] 6d60df72b28dd4aafbf6f8e8b02802d273e6f0c9ded5425ee81640d679f0022d
