[INFO] fetching crate libtest 0.0.1...
[INFO] testing libtest-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate libtest 0.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate libtest 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libtest 0.0.1
[INFO] finished tweaking crates.io crate libtest 0.0.1
[INFO] tweaked toml for crates.io crate libtest 0.0.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a249162c4fc6161315f40f7d051c5d29b3765956c2d2a3bf8120b6a93b555bc
[INFO] running `Command { std: "docker" "start" "-a" "0a249162c4fc6161315f40f7d051c5d29b3765956c2d2a3bf8120b6a93b555bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a249162c4fc6161315f40f7d051c5d29b3765956c2d2a3bf8120b6a93b555bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a249162c4fc6161315f40f7d051c5d29b3765956c2d2a3bf8120b6a93b555bc", kill_on_drop: false }`
[INFO] [stdout] 0a249162c4fc6161315f40f7d051c5d29b3765956c2d2a3bf8120b6a93b555bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d51337cf2e3f9f3a47c815f957752f6194631aa96e516515239e3030f6fb44b
[INFO] running `Command { std: "docker" "start" "-a" "9d51337cf2e3f9f3a47c815f957752f6194631aa96e516515239e3030f6fb44b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc_term v0.0.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_term-0.0.1/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | #![feature(custom_attribute)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc_term` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9d51337cf2e3f9f3a47c815f957752f6194631aa96e516515239e3030f6fb44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d51337cf2e3f9f3a47c815f957752f6194631aa96e516515239e3030f6fb44b", kill_on_drop: false }`
[INFO] [stdout] 9d51337cf2e3f9f3a47c815f957752f6194631aa96e516515239e3030f6fb44b