[INFO] fetching crate ctrlgen 0.3.5...
[INFO] checking ctrlgen-0.3.5 against 1.95.0 for pr-155915
[INFO] extracting crate ctrlgen 0.3.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ctrlgen 0.3.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ctrlgen 0.3.5
[INFO] tweaked toml for crates.io crate ctrlgen 0.3.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ctrlgen 0.3.5 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 87 packages to latest compatible versions
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.12.0)
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlgen-derive v0.3.5
[INFO] [stderr]   Downloaded pin-project-internal v1.1.12
[INFO] [stderr]   Downloaded waker-fn v1.2.0
[INFO] [stderr]   Downloaded convert_case v0.5.0
[INFO] [stderr]   Downloaded ctrlgen-impl v0.3.5
[INFO] [stderr]   Downloaded pin-project v1.1.12
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 052e7d16e7495ff9e3b7a674fe2aeb2bdde521219ac1c85b313c9c010d19ffd3
[INFO] running `Command { std: "docker" "start" "-a" "052e7d16e7495ff9e3b7a674fe2aeb2bdde521219ac1c85b313c9c010d19ffd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "052e7d16e7495ff9e3b7a674fe2aeb2bdde521219ac1c85b313c9c010d19ffd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052e7d16e7495ff9e3b7a674fe2aeb2bdde521219ac1c85b313c9c010d19ffd3", kill_on_drop: false }`
[INFO] [stdout] 052e7d16e7495ff9e3b7a674fe2aeb2bdde521219ac1c85b313c9c010d19ffd3
[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=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] 205b4a3c786c1f356386019d4bfa7e5a8b088877e835d046c2b0155d2a0d7fa6
[INFO] running `Command { std: "docker" "start" "-a" "205b4a3c786c1f356386019d4bfa7e5a8b088877e835d046c2b0155d2a0d7fa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking console v0.16.3
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking insta v1.47.2
[INFO] [stderr]    Compiling ctrlgen-impl v0.3.5
[INFO] [stderr]    Compiling ctrlgen-derive v0.3.5
[INFO] [stderr]     Checking ctrlgen v0.3.5 (/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(impl_trait_in_assoc_type)]
[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 `ctrlgen` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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(impl_trait_in_assoc_type)]
[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 `ctrlgen` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "205b4a3c786c1f356386019d4bfa7e5a8b088877e835d046c2b0155d2a0d7fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "205b4a3c786c1f356386019d4bfa7e5a8b088877e835d046c2b0155d2a0d7fa6", kill_on_drop: false }`
[INFO] [stdout] 205b4a3c786c1f356386019d4bfa7e5a8b088877e835d046c2b0155d2a0d7fa6
