[INFO] fetching crate libtest 0.0.1...
[INFO] testing libtest-0.0.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate libtest 0.0.1 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate libtest 0.0.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc_term v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb2dd2979647a1def7db708522dbff52382187548cea9a0dbcc273c8de6c90b7
[INFO] running `Command { std: "docker" "start" "-a" "cb2dd2979647a1def7db708522dbff52382187548cea9a0dbcc273c8de6c90b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb2dd2979647a1def7db708522dbff52382187548cea9a0dbcc273c8de6c90b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2dd2979647a1def7db708522dbff52382187548cea9a0dbcc273c8de6c90b7", kill_on_drop: false }`
[INFO] [stdout] cb2dd2979647a1def7db708522dbff52382187548cea9a0dbcc273c8de6c90b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd105c1a8bb5385640d0a4c5f9b9ea9406a5e216cdb803944c36b537e6d77e5e
[INFO] running `Command { std: "docker" "start" "-a" "fd105c1a8bb5385640d0a4c5f9b9ea9406a5e216cdb803944c36b537e6d77e5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc_term v0.0.1
[INFO] [stderr]    Compiling getopts v0.2.21
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fd105c1a8bb5385640d0a4c5f9b9ea9406a5e216cdb803944c36b537e6d77e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd105c1a8bb5385640d0a4c5f9b9ea9406a5e216cdb803944c36b537e6d77e5e", kill_on_drop: false }`
[INFO] [stdout] fd105c1a8bb5385640d0a4c5f9b9ea9406a5e216cdb803944c36b537e6d77e5e