[INFO] crate amber 0.5.2 is already in cache [INFO] checking amber-0.5.2 against beta-2019-10-27 for pr-65897 [INFO] extracting crate amber 0.5.2 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate amber 0.5.2 on toolchain beta-2019-10-27 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate amber 0.5.2 [INFO] finished tweaking crates.io crate amber 0.5.2 [INFO] tweaked toml for crates.io crate amber 0.5.2 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c424ad5aa227dbdc4c3542e7b30f918df7c0a423fbc90e859c3a0fdf74c31438 [INFO] running `"docker" "start" "-a" "c424ad5aa227dbdc4c3542e7b30f918df7c0a423fbc90e859c3a0fdf74c31438"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking smallvec v0.6.11 [INFO] [stderr] Compiling unicode-segmentation v1.4.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking rlibc v1.0.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking getch v0.2.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Checking crossbeam-channel v0.1.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking ctrlc v3.1.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking amber v0.5.2 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> benches/matcher.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `amber`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> benches/path_finder.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `amber`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "c424ad5aa227dbdc4c3542e7b30f918df7c0a423fbc90e859c3a0fdf74c31438"` [INFO] running `"docker" "rm" "-f" "c424ad5aa227dbdc4c3542e7b30f918df7c0a423fbc90e859c3a0fdf74c31438"` [INFO] [stdout] c424ad5aa227dbdc4c3542e7b30f918df7c0a423fbc90e859c3a0fdf74c31438