[INFO] fetching crate ranged_type 0.1.0...
[INFO] testing ranged_type-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ranged_type 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ranged_type 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/rust-toolchain
[INFO] started tweaking crates.io crate ranged_type 0.1.0
[INFO] finished tweaking crates.io crate ranged_type 0.1.0
[INFO] tweaked toml for crates.io crate ranged_type 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a886513b862dbffb96bdc1eb0f2d92bd9435b5885a2364f7bbf97f9aa9ee2215
[INFO] running `Command { std: "docker" "start" "-a" "a886513b862dbffb96bdc1eb0f2d92bd9435b5885a2364f7bbf97f9aa9ee2215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a886513b862dbffb96bdc1eb0f2d92bd9435b5885a2364f7bbf97f9aa9ee2215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a886513b862dbffb96bdc1eb0f2d92bd9435b5885a2364f7bbf97f9aa9ee2215", kill_on_drop: false }`
[INFO] [stdout] a886513b862dbffb96bdc1eb0f2d92bd9435b5885a2364f7bbf97f9aa9ee2215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7250a27083d07426bde7744a3ae4dc182a128795c4b7a56c5d8da440ffff1bc5
[INFO] running `Command { std: "docker" "start" "-a" "7250a27083d07426bde7744a3ae4dc182a128795c4b7a56c5d8da440ffff1bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling arith_traits v0.1.0
[INFO] [stderr]    Compiling arith_wrappers v0.1.0
[INFO] [stderr]    Compiling ranged_type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     const_fn,
[INFO] [stdout]   |     ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[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(
[INFO] [stdout] 2 | |     bool_to_option,
[INFO] [stdout] 3 | |     const_checked_int_methods,
[INFO] [stdout] 4 | |     const_evaluatable_checked,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     structural_match
[INFO] [stdout] 9 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ranged_type` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "7250a27083d07426bde7744a3ae4dc182a128795c4b7a56c5d8da440ffff1bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7250a27083d07426bde7744a3ae4dc182a128795c4b7a56c5d8da440ffff1bc5", kill_on_drop: false }`
[INFO] [stdout] 7250a27083d07426bde7744a3ae4dc182a128795c4b7a56c5d8da440ffff1bc5