[INFO] fetching crate diman_unit_system 0.5.1...
[INFO] checking diman_unit_system-0.5.1 against 1.95.0 for pr-155915
[INFO] extracting crate diman_unit_system 0.5.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate diman_unit_system 0.5.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate diman_unit_system 0.5.1
[INFO] tweaked toml for crates.io crate diman_unit_system 0.5.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate diman_unit_system 0.5.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[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 diman_lib v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 071b62e8f35d1a06a05a003a53389681497b34b08664270793eaeef0e4618ec1
[INFO] running `Command { std: "docker" "start" "-a" "071b62e8f35d1a06a05a003a53389681497b34b08664270793eaeef0e4618ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "071b62e8f35d1a06a05a003a53389681497b34b08664270793eaeef0e4618ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071b62e8f35d1a06a05a003a53389681497b34b08664270793eaeef0e4618ec1", kill_on_drop: false }`
[INFO] [stdout] 071b62e8f35d1a06a05a003a53389681497b34b08664270793eaeef0e4618ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0f05b1e82dfc37f2f9b1b649d9e6d38bcc05cea293d983a24c961b791af927db
[INFO] running `Command { std: "docker" "start" "-a" "0f05b1e82dfc37f2f9b1b649d9e6d38bcc05cea293d983a24c961b791af927db", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.106
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking winnow v1.0.2
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]     Checking diman_lib v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking serde v1.0.228
[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/diman_lib-0.5.1/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_exprs, adt_const_params)]
[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 `diman_lib` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0f05b1e82dfc37f2f9b1b649d9e6d38bcc05cea293d983a24c961b791af927db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f05b1e82dfc37f2f9b1b649d9e6d38bcc05cea293d983a24c961b791af927db", kill_on_drop: false }`
[INFO] [stdout] 0f05b1e82dfc37f2f9b1b649d9e6d38bcc05cea293d983a24c961b791af927db