[INFO] cloning repository https://github.com/gregtatum/rust-sketches [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregtatum/rust-sketches" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregtatum%2Frust-sketches", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregtatum%2Frust-sketches'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dfc6fa8b7f5df49bdf9ca68b8c2f40767a209075 [INFO] testing gregtatum/rust-sketches against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregtatum%2Frust-sketches" "/workspace/builds/worker-103/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gregtatum/rust-sketches on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gregtatum/rust-sketches [INFO] finished tweaking git repo https://github.com/gregtatum/rust-sketches [INFO] tweaked toml for git repo https://github.com/gregtatum/rust-sketches written to /workspace/builds/worker-103/source/Cargo.toml [INFO] crate git repo https://github.com/gregtatum/rust-sketches already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1e76b56d224ec753abd1acf6a02055d80904c98803d50edc058643bd018224d [INFO] running `Command { std: "docker" "start" "-a" "a1e76b56d224ec753abd1acf6a02055d80904c98803d50edc058643bd018224d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1e76b56d224ec753abd1acf6a02055d80904c98803d50edc058643bd018224d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1e76b56d224ec753abd1acf6a02055d80904c98803d50edc058643bd018224d", kill_on_drop: false }` [INFO] [stdout] a1e76b56d224ec753abd1acf6a02055d80904c98803d50edc058643bd018224d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1669c706f1ba031ebf63bc85257afd0891fefd82ba6a626b27248e5f9e0f18cc [INFO] running `Command { std: "docker" "start" "-a" "1669c706f1ba031ebf63bc85257afd0891fefd82ba6a626b27248e5f9e0f18cc", 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] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling tinystr-raw v0.1.0 [INFO] [stderr] Compiling smallvec v1.5.1 [INFO] [stderr] Compiling downcast-rs v1.2.0 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling icu_uniset v0.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling fixed_decimal v0.1.0 [INFO] [stderr] Compiling tinystr-macros v0.2.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling tinystr v0.4.1 [INFO] [stderr] Compiling icu_locid v0.1.0 [INFO] [stderr] Compiling erased-serde v0.3.12 [INFO] [stderr] Compiling smallstr v0.2.0 [INFO] [stderr] Compiling toml v0.5.7 [INFO] [stderr] Compiling icu_provider v0.1.0 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling icu_locid_macros v0.1.0 [INFO] [stderr] Compiling icu_datetime v0.1.0 [INFO] [stderr] Compiling icu_plurals v0.1.0 [INFO] [stderr] Compiling icu_provider_fs v0.1.0 [INFO] [stderr] Compiling icu v0.1.0 [INFO] [stderr] Compiling spec-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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 `spec-rs` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "1669c706f1ba031ebf63bc85257afd0891fefd82ba6a626b27248e5f9e0f18cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1669c706f1ba031ebf63bc85257afd0891fefd82ba6a626b27248e5f9e0f18cc", kill_on_drop: false }` [INFO] [stdout] 1669c706f1ba031ebf63bc85257afd0891fefd82ba6a626b27248e5f9e0f18cc