[INFO] fetching crate zaliznyak 0.2.0...
[INFO] checking zaliznyak-0.2.0 against 1.95.0 for pr-155915
[INFO] extracting crate zaliznyak 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate zaliznyak 0.2.0
[INFO] finished tweaking crates.io crate zaliznyak 0.2.0
[INFO] tweaked toml for crates.io crate zaliznyak 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zaliznyak 0.2.0 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 crates.io crate zaliznyak 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bbd5d9ab99a47d72cf7d29b945db74b22bc1f5b96ab3e3387207a5927399e185
[INFO] running `Command { std: "docker" "start" "-a" "bbd5d9ab99a47d72cf7d29b945db74b22bc1f5b96ab3e3387207a5927399e185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbd5d9ab99a47d72cf7d29b945db74b22bc1f5b96ab3e3387207a5927399e185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd5d9ab99a47d72cf7d29b945db74b22bc1f5b96ab3e3387207a5927399e185", kill_on_drop: false }`
[INFO] [stdout] bbd5d9ab99a47d72cf7d29b945db74b22bc1f5b96ab3e3387207a5927399e185
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 092b12cd9ce253905080f3e3e3a883d8d63fe85badca80e0aa8332233215bf3b
[INFO] running `Command { std: "docker" "start" "-a" "092b12cd9ce253905080f3e3e3a883d8d63fe85badca80e0aa8332233215bf3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v2.0.15
[INFO] [stderr]     Checking bitflags v2.9.2
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v2.0.15
[INFO] [stderr]     Checking zaliznyak v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_trait_impl)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_trait_impl)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_slice` has been stable since 1.93.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(maybe_uninit_slice)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `vec_into_raw_parts` has been stable since 1.93.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(vec_into_raw_parts)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_slice` has been stable since 1.93.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(maybe_uninit_slice)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `vec_into_raw_parts` has been stable since 1.93.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(vec_into_raw_parts)]
[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 `zaliznyak` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zaliznyak` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "092b12cd9ce253905080f3e3e3a883d8d63fe85badca80e0aa8332233215bf3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092b12cd9ce253905080f3e3e3a883d8d63fe85badca80e0aa8332233215bf3b", kill_on_drop: false }`
[INFO] [stdout] 092b12cd9ce253905080f3e3e3a883d8d63fe85badca80e0aa8332233215bf3b
