[INFO] fetching crate allocator_stub 0.1.0...
[INFO] testing allocator_stub-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate allocator_stub 0.1.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate allocator_stub 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate allocator_stub 0.1.0
[INFO] finished tweaking crates.io crate allocator_stub 0.1.0
[INFO] tweaked toml for crates.io crate allocator_stub 0.1.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a50454465310457bb15369db5d7b8a5d95c45619f97b8f4dd93096be594da034
[INFO] running `Command { std: "docker" "start" "-a" "a50454465310457bb15369db5d7b8a5d95c45619f97b8f4dd93096be594da034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a50454465310457bb15369db5d7b8a5d95c45619f97b8f4dd93096be594da034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50454465310457bb15369db5d7b8a5d95c45619f97b8f4dd93096be594da034", kill_on_drop: false }`
[INFO] [stdout] a50454465310457bb15369db5d7b8a5d95c45619f97b8f4dd93096be594da034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf47913093c6817d498a47bda7e58f419e7b3883ee46e95452d4fb748b9a609
[INFO] running `Command { std: "docker" "start" "-a" "ebf47913093c6817d498a47bda7e58f419e7b3883ee46e95452d4fb748b9a609", kill_on_drop: false }`
[INFO] [stderr]    Compiling allocator_stub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator)]
[INFO] [stdout]   |            ^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `allocator` in this scope
[INFO] [stdout]  --> src/lib.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![allocator]
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `allocator_stub` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ebf47913093c6817d498a47bda7e58f419e7b3883ee46e95452d4fb748b9a609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf47913093c6817d498a47bda7e58f419e7b3883ee46e95452d4fb748b9a609", kill_on_drop: false }`
[INFO] [stdout] ebf47913093c6817d498a47bda7e58f419e7b3883ee46e95452d4fb748b9a609