[INFO] fetching crate relp-num 0.1.13...
[INFO] testing relp-num-0.1.13 against 1.90.0 for beta-1.91-3
[INFO] extracting crate relp-num 0.1.13 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate relp-num 0.1.13
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate relp-num 0.1.13
[INFO] tweaked toml for crates.io crate relp-num 0.1.13 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate relp-num 0.1.13 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate relp-num 0.1.13 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.3.5
[INFO] [stderr]   Downloaded clap v4.5.0
[INFO] [stderr]   Downloaded clap_builder v4.5.0
[INFO] [stderr]   Downloaded index-utils v2.2.3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cffd1377750fea388bd14c31d3c87314ec2a20d961be055c7d04cc22b71bc811
[INFO] running `Command { std: "docker" "start" "-a" "cffd1377750fea388bd14c31d3c87314ec2a20d961be055c7d04cc22b71bc811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cffd1377750fea388bd14c31d3c87314ec2a20d961be055c7d04cc22b71bc811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cffd1377750fea388bd14c31d3c87314ec2a20d961be055c7d04cc22b71bc811", kill_on_drop: false }`
[INFO] [stdout] cffd1377750fea388bd14c31d3c87314ec2a20d961be055c7d04cc22b71bc811
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aea0c3a70630216c535d39ce669d3348479d335bf41f1bdf82537962dfeb5631
[INFO] running `Command { std: "docker" "start" "-a" "aea0c3a70630216c535d39ce669d3348479d335bf41f1bdf82537962dfeb5631", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling index-utils v2.2.3
[INFO] [stderr]    Compiling relp-num v0.1.13 (/opt/rustwide/workdir)
[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/index-utils-2.2.3/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(is_sorted)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/smallvec-1.13.1/src/lib.rs:95:41
[INFO] [stdout]    |
[INFO] [stdout] 95 | #![cfg_attr(feature = "specialization", 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 `index-utils` (lib) due to 1 previous error
[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 `smallvec` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "aea0c3a70630216c535d39ce669d3348479d335bf41f1bdf82537962dfeb5631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea0c3a70630216c535d39ce669d3348479d335bf41f1bdf82537962dfeb5631", kill_on_drop: false }`
[INFO] [stdout] aea0c3a70630216c535d39ce669d3348479d335bf41f1bdf82537962dfeb5631