[INFO] fetching crate ranged_integers 0.11.0...
[INFO] testing ranged_integers-0.11.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate ranged_integers 0.11.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ranged_integers 0.11.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ranged_integers 0.11.0
[INFO] tweaked toml for crates.io crate ranged_integers 0.11.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ranged_integers 0.11.0 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 ranged_integers 0.11.0 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] 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] 89562d07773296efd980e2574cdb7f37aa4c25ef1228c009b3886e141b59ff03
[INFO] running `Command { std: "docker" "start" "-a" "89562d07773296efd980e2574cdb7f37aa4c25ef1228c009b3886e141b59ff03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89562d07773296efd980e2574cdb7f37aa4c25ef1228c009b3886e141b59ff03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89562d07773296efd980e2574cdb7f37aa4c25ef1228c009b3886e141b59ff03", kill_on_drop: false }`
[INFO] [stdout] 89562d07773296efd980e2574cdb7f37aa4c25ef1228c009b3886e141b59ff03
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e691a39455272f71a6488e8bcc50656d42dabb34b31f5d5da9ef6a623e37d30
[INFO] running `Command { std: "docker" "start" "-a" "4e691a39455272f71a6488e8bcc50656d42dabb34b31f5d5da9ef6a623e37d30", kill_on_drop: false }`
[INFO] [stderr]    Compiling ranged_integers v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:400:1
[INFO] [stdout]     |
[INFO] [stdout] 400 | #![feature(generic_const_exprs)]  // The whole idea is based on this
[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 `ranged_integers` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4e691a39455272f71a6488e8bcc50656d42dabb34b31f5d5da9ef6a623e37d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e691a39455272f71a6488e8bcc50656d42dabb34b31f5d5da9ef6a623e37d30", kill_on_drop: false }`
[INFO] [stdout] 4e691a39455272f71a6488e8bcc50656d42dabb34b31f5d5da9ef6a623e37d30
