[INFO] fetching crate bytesandbrains-codec 0.2.2...
[INFO] checking bytesandbrains-codec-0.2.2 against 1.95.0 for pr-155915
[INFO] extracting crate bytesandbrains-codec 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate bytesandbrains-codec 0.2.2
[INFO] finished tweaking crates.io crate bytesandbrains-codec 0.2.2
[INFO] tweaked toml for crates.io crate bytesandbrains-codec 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bytesandbrains-codec 0.2.2 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 bytesandbrains-codec 0.2.2 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multimap v0.10.1
[INFO] [stderr]   Downloaded bytesandbrains-ml v0.2.2
[INFO] [stderr]   Downloaded prost-types v0.13.5
[INFO] [stderr]   Downloaded prost-build v0.13.5
[INFO] [stderr]   Downloaded prost-derive v0.13.5
[INFO] [stderr]   Downloaded prost v0.13.5
[INFO] [stderr]   Downloaded bytesandbrains-core v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d9d01f36c2191b4ac1c8a280a817ae74b87b7bfa57a200ad33227696d56b906c
[INFO] running `Command { std: "docker" "start" "-a" "d9d01f36c2191b4ac1c8a280a817ae74b87b7bfa57a200ad33227696d56b906c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9d01f36c2191b4ac1c8a280a817ae74b87b7bfa57a200ad33227696d56b906c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d01f36c2191b4ac1c8a280a817ae74b87b7bfa57a200ad33227696d56b906c", kill_on_drop: false }`
[INFO] [stdout] d9d01f36c2191b4ac1c8a280a817ae74b87b7bfa57a200ad33227696d56b906c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 505472a7848fc4511432f81140405022341ac4383c6a8964e92df837afdba491
[INFO] running `Command { std: "docker" "start" "-a" "505472a7848fc4511432f81140405022341ac4383c6a8964e92df837afdba491", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling bytesandbrains-core v0.2.2
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bytesandbrains-ml v0.2.2
[INFO] [stderr]     Checking bytesandbrains-codec v0.2.2 (/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(generic_const_exprs)]
[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 `bytesandbrains-codec` (lib) 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(generic_const_exprs)]
[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 `bytesandbrains-codec` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "505472a7848fc4511432f81140405022341ac4383c6a8964e92df837afdba491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505472a7848fc4511432f81140405022341ac4383c6a8964e92df837afdba491", kill_on_drop: false }`
[INFO] [stdout] 505472a7848fc4511432f81140405022341ac4383c6a8964e92df837afdba491
