[INFO] cloning repository https://github.com/mtn/ipsum [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtn/ipsum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtn%2Fipsum", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtn%2Fipsum'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 02ed7e3c66299e8bda3623eaff8ee06c00de982f [INFO] testing mtn/ipsum against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtn%2Fipsum" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mtn/ipsum 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 git repo https://github.com/mtn/ipsum [INFO] finished tweaking git repo https://github.com/mtn/ipsum [INFO] tweaked toml for git repo https://github.com/mtn/ipsum written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/mtn/ipsum already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ropey v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 700542ef9d18b90f2072c9ff20a9bece0d11f3c67ae3657ba4bdb0991ec4d2e7 [INFO] running `Command { std: "docker" "start" "-a" "700542ef9d18b90f2072c9ff20a9bece0d11f3c67ae3657ba4bdb0991ec4d2e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "700542ef9d18b90f2072c9ff20a9bece0d11f3c67ae3657ba4bdb0991ec4d2e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "700542ef9d18b90f2072c9ff20a9bece0d11f3c67ae3657ba4bdb0991ec4d2e7", kill_on_drop: false }` [INFO] [stdout] 700542ef9d18b90f2072c9ff20a9bece0d11f3c67ae3657ba4bdb0991ec4d2e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a321b11af2fef65b86f5764c0d7dd1631d1a4b6ad1ba557ef188e38c26583e2b [INFO] running `Command { std: "docker" "start" "-a" "a321b11af2fef65b86f5764c0d7dd1631d1a4b6ad1ba557ef188e38c26583e2b", kill_on_drop: false }` [INFO] [stderr] Compiling smallvec v0.6.3 [INFO] [stderr] Compiling termion v1.5.1 [INFO] [stderr] Compiling ropey v0.8.0 [INFO] [stderr] Compiling ipsum v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(extern_prelude)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable [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 E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ipsum` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "a321b11af2fef65b86f5764c0d7dd1631d1a4b6ad1ba557ef188e38c26583e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a321b11af2fef65b86f5764c0d7dd1631d1a4b6ad1ba557ef188e38c26583e2b", kill_on_drop: false }` [INFO] [stdout] a321b11af2fef65b86f5764c0d7dd1631d1a4b6ad1ba557ef188e38c26583e2b