[INFO] fetching crate hars 0.1.0... [INFO] testing hars-0.1.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate hars 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate hars 0.1.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate hars 0.1.0 [INFO] finished tweaking crates.io crate hars 0.1.0 [INFO] tweaked toml for crates.io crate hars 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate crates.io crate hars 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 382199696eb8baf325c61812f6d21a73f53d356246aa644cb3b68fcaa6cfdba4 [INFO] running `"docker" "start" "-a" "382199696eb8baf325c61812f6d21a73f53d356246aa644cb3b68fcaa6cfdba4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling futures-core v0.3.1 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling smallvec v1.1.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling futures-sink v0.3.1 [INFO] [stderr] Compiling bytes v0.5.3 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling futures-task v0.3.1 [INFO] [stderr] Compiling futures-io v0.3.1 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Compiling regex-syntax v0.6.13 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling dtoa v0.4.4 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling indexmap v1.3.1 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling futures-channel v0.3.1 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling yaml-rust v0.4.3 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling http v0.2.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling directories v2.0.2 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling regex v1.3.3 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling publicsuffix v1.5.4 [INFO] [stderr] Compiling console v0.9.2 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.3 [INFO] [stderr] Compiling pin-project-internal v0.4.7 [INFO] [stderr] Compiling tokio v0.2.10 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Compiling futures-util v0.3.1 [INFO] [stderr] Compiling pin-project v0.4.7 [INFO] [stderr] Compiling tokio-util v0.2.0 [INFO] [stderr] Compiling tokio-tls v0.3.0 [INFO] [stderr] Compiling h2 v0.2.1 [INFO] [stderr] Compiling futures-executor v0.3.1 [INFO] [stderr] Compiling futures v0.3.1 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling hyper v0.13.1 [INFO] [stderr] Compiling hyper-tls v0.4.1 [INFO] [stderr] Compiling serde_json v1.0.45 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling bincode v1.2.1 [INFO] [stderr] Compiling serde_yaml v0.8.11 [INFO] [stderr] Compiling uuid v0.8.1 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Compiling cookie_store v0.10.0 [INFO] [stderr] Compiling reqwest v0.10.1 [INFO] [stderr] Compiling hars v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(vec_remove_item)] [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 `hars`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "382199696eb8baf325c61812f6d21a73f53d356246aa644cb3b68fcaa6cfdba4"` [INFO] running `"docker" "rm" "-f" "382199696eb8baf325c61812f6d21a73f53d356246aa644cb3b68fcaa6cfdba4"` [INFO] [stdout] 382199696eb8baf325c61812f6d21a73f53d356246aa644cb3b68fcaa6cfdba4